1 //===-- sanitizer_common_syscalls.inc ---------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Common syscalls handlers for tools like AddressSanitizer,
11 // ThreadSanitizer, MemorySanitizer, etc.
13 // This file should be included into the tool's interceptor file,
14 // which has to define it's own macros:
15 // COMMON_SYSCALL_PRE_READ_RANGE
16 // Called in prehook for regions that will be read by the kernel and
17 // must be initialized.
18 // COMMON_SYSCALL_PRE_WRITE_RANGE
19 // Called in prehook for regions that will be written to by the kernel
20 // and must be addressable. The actual write range may be smaller than
21 // reported in the prehook. See POST_WRITE_RANGE.
22 // COMMON_SYSCALL_POST_READ_RANGE
23 // Called in posthook for regions that were read by the kernel. Does
24 // not make much sense.
25 // COMMON_SYSCALL_POST_WRITE_RANGE
26 // Called in posthook for regions that were written to by the kernel
27 // and are now initialized.
28 // COMMON_SYSCALL_ACQUIRE(addr)
29 // Acquire memory visibility from addr.
30 // COMMON_SYSCALL_RELEASE(addr)
31 // Release memory visibility to addr.
32 // COMMON_SYSCALL_FD_CLOSE(fd)
33 // Called before closing file descriptor fd.
34 // COMMON_SYSCALL_FD_ACQUIRE(fd)
35 // Acquire memory visibility from fd.
36 // COMMON_SYSCALL_FD_RELEASE(fd)
37 // Release memory visibility to fd.
38 // COMMON_SYSCALL_PRE_FORK()
39 // Called before fork syscall.
40 // COMMON_SYSCALL_POST_FORK(long res)
41 // Called after fork syscall.
42 //===----------------------------------------------------------------------===//
44 #include "sanitizer_platform.h"
47 #include "sanitizer_libc.h"
49 #define PRE_SYSCALL(name) \
50 SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_pre_impl_##name
51 #define PRE_READ(p, s) COMMON_SYSCALL_PRE_READ_RANGE(p, s)
52 #define PRE_WRITE(p, s) COMMON_SYSCALL_PRE_WRITE_RANGE(p, s)
54 #define POST_SYSCALL(name) \
55 SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_post_impl_##name
56 #define POST_READ(p, s) COMMON_SYSCALL_POST_READ_RANGE(p, s)
57 #define POST_WRITE(p, s) COMMON_SYSCALL_POST_WRITE_RANGE(p, s)
59 #ifndef COMMON_SYSCALL_ACQUIRE
60 # define COMMON_SYSCALL_ACQUIRE(addr) ((void)(addr))
63 #ifndef COMMON_SYSCALL_RELEASE
64 # define COMMON_SYSCALL_RELEASE(addr) ((void)(addr))
67 #ifndef COMMON_SYSCALL_FD_CLOSE
68 # define COMMON_SYSCALL_FD_CLOSE(fd) ((void)(fd))
71 #ifndef COMMON_SYSCALL_FD_ACQUIRE
72 # define COMMON_SYSCALL_FD_ACQUIRE(fd) ((void)(fd))
75 #ifndef COMMON_SYSCALL_FD_RELEASE
76 # define COMMON_SYSCALL_FD_RELEASE(fd) ((void)(fd))
79 #ifndef COMMON_SYSCALL_PRE_FORK
80 # define COMMON_SYSCALL_PRE_FORK() {}
83 #ifndef COMMON_SYSCALL_POST_FORK
84 # define COMMON_SYSCALL_POST_FORK(res) {}
87 // FIXME: do some kind of PRE_READ for all syscall arguments (int(s) and such).
90 struct sanitizer_kernel_iovec {
92 unsigned long iov_len;
95 struct sanitizer_kernel_msghdr {
98 struct sanitizer_kernel_iovec *msg_iov;
99 unsigned long msg_iovlen;
101 unsigned long msg_controllen;
105 struct sanitizer_kernel_mmsghdr {
106 struct sanitizer_kernel_msghdr msg_hdr;
110 struct sanitizer_kernel_timespec {
115 struct sanitizer_kernel_timeval {
120 struct sanitizer_kernel_rusage {
121 struct sanitizer_kernel_timeval ru_timeval[2];
125 struct sanitizer_kernel_sockaddr {
126 unsigned short sa_family;
130 // Real sigset size is always passed as a syscall argument.
131 // Declare it "void" to catch sizeof(kernel_sigset_t).
132 typedef void kernel_sigset_t;
134 static void kernel_write_iovec(const __sanitizer_iovec *iovec,
135 SIZE_T iovlen, SIZE_T maxlen) {
136 for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
137 SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
138 POST_WRITE(iovec[i].iov_base, sz);
143 // This functions uses POST_READ, because it needs to run after syscall to know
144 // the real read range.
145 static void kernel_read_iovec(const __sanitizer_iovec *iovec,
146 SIZE_T iovlen, SIZE_T maxlen) {
147 POST_READ(iovec, sizeof(*iovec) * iovlen);
148 for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
149 SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
150 POST_READ(iovec[i].iov_base, sz);
155 PRE_SYSCALL(recvmsg)(long sockfd, sanitizer_kernel_msghdr *msg, long flags) {
156 PRE_READ(msg, sizeof(*msg));
159 POST_SYSCALL(recvmsg)(long res, long sockfd, sanitizer_kernel_msghdr *msg,
163 for (unsigned long i = 0; i < msg->msg_iovlen; ++i) {
164 POST_WRITE(msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len);
166 POST_WRITE(msg->msg_control, msg->msg_controllen);
171 PRE_SYSCALL(recvmmsg)(long fd, sanitizer_kernel_mmsghdr *msg, long vlen,
172 long flags, void *timeout) {
173 PRE_READ(msg, vlen * sizeof(*msg));
176 POST_SYSCALL(recvmmsg)(long res, long fd, sanitizer_kernel_mmsghdr *msg,
177 long vlen, long flags, void *timeout) {
180 for (unsigned long i = 0; i < msg->msg_hdr.msg_iovlen; ++i) {
181 POST_WRITE(msg->msg_hdr.msg_iov[i].iov_base,
182 msg->msg_hdr.msg_iov[i].iov_len);
184 POST_WRITE(msg->msg_hdr.msg_control, msg->msg_hdr.msg_controllen);
185 POST_WRITE(&msg->msg_len, sizeof(msg->msg_len));
187 if (timeout) POST_WRITE(timeout, struct_timespec_sz);
191 PRE_SYSCALL(read)(long fd, void *buf, uptr count) {
193 PRE_WRITE(buf, count);
197 POST_SYSCALL(read)(long res, long fd, void *buf, uptr count) {
198 if (res > 0 && buf) {
199 POST_WRITE(buf, res);
203 PRE_SYSCALL(time)(void *tloc) {}
205 POST_SYSCALL(time)(long res, void *tloc) {
207 if (tloc) POST_WRITE(tloc, sizeof(long));
211 PRE_SYSCALL(stime)(void *tptr) {}
213 POST_SYSCALL(stime)(long res, void *tptr) {
215 if (tptr) POST_WRITE(tptr, sizeof(long));
219 PRE_SYSCALL(gettimeofday)(void *tv, void *tz) {}
221 POST_SYSCALL(gettimeofday)(long res, void *tv, void *tz) {
223 if (tv) POST_WRITE(tv, timeval_sz);
224 if (tz) POST_WRITE(tz, struct_timezone_sz);
228 PRE_SYSCALL(settimeofday)(void *tv, void *tz) {}
230 POST_SYSCALL(settimeofday)(long res, void *tv, void *tz) {
232 if (tv) POST_WRITE(tv, timeval_sz);
233 if (tz) POST_WRITE(tz, struct_timezone_sz);
237 #if !SANITIZER_ANDROID
238 PRE_SYSCALL(adjtimex)(void *txc_p) {}
240 POST_SYSCALL(adjtimex)(long res, void *txc_p) {
242 if (txc_p) POST_WRITE(txc_p, struct_timex_sz);
247 PRE_SYSCALL(times)(void *tbuf) {}
249 POST_SYSCALL(times)(long res, void *tbuf) {
251 if (tbuf) POST_WRITE(tbuf, struct_tms_sz);
255 PRE_SYSCALL(gettid)() {}
257 POST_SYSCALL(gettid)(long res) {}
259 PRE_SYSCALL(nanosleep)(void *rqtp, void *rmtp) {}
261 POST_SYSCALL(nanosleep)(long res, void *rqtp, void *rmtp) {
263 if (rqtp) POST_WRITE(rqtp, struct_timespec_sz);
264 if (rmtp) POST_WRITE(rmtp, struct_timespec_sz);
268 PRE_SYSCALL(alarm)(long seconds) {}
270 POST_SYSCALL(alarm)(long res, long seconds) {}
272 PRE_SYSCALL(getpid)() {}
274 POST_SYSCALL(getpid)(long res) {}
276 PRE_SYSCALL(getppid)() {}
278 POST_SYSCALL(getppid)(long res) {}
280 PRE_SYSCALL(getuid)() {}
282 POST_SYSCALL(getuid)(long res) {}
284 PRE_SYSCALL(geteuid)() {}
286 POST_SYSCALL(geteuid)(long res) {}
288 PRE_SYSCALL(getgid)() {}
290 POST_SYSCALL(getgid)(long res) {}
292 PRE_SYSCALL(getegid)() {}
294 POST_SYSCALL(getegid)(long res) {}
296 PRE_SYSCALL(getresuid)(void *ruid, void *euid, void *suid) {}
298 POST_SYSCALL(getresuid)(long res, void *ruid, void *euid, void *suid) {
300 if (ruid) POST_WRITE(ruid, sizeof(unsigned));
301 if (euid) POST_WRITE(euid, sizeof(unsigned));
302 if (suid) POST_WRITE(suid, sizeof(unsigned));
306 PRE_SYSCALL(getresgid)(void *rgid, void *egid, void *sgid) {}
308 POST_SYSCALL(getresgid)(long res, void *rgid, void *egid, void *sgid) {
310 if (rgid) POST_WRITE(rgid, sizeof(unsigned));
311 if (egid) POST_WRITE(egid, sizeof(unsigned));
312 if (sgid) POST_WRITE(sgid, sizeof(unsigned));
316 PRE_SYSCALL(getpgid)(long pid) {}
318 POST_SYSCALL(getpgid)(long res, long pid) {}
320 PRE_SYSCALL(getpgrp)() {}
322 POST_SYSCALL(getpgrp)(long res) {}
324 PRE_SYSCALL(getsid)(long pid) {}
326 POST_SYSCALL(getsid)(long res, long pid) {}
328 PRE_SYSCALL(getgroups)(long gidsetsize, void *grouplist) {}
330 POST_SYSCALL(getgroups)(long res, long gidsetsize,
331 __sanitizer___kernel_gid_t *grouplist) {
333 if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist));
337 PRE_SYSCALL(setregid)(long rgid, long egid) {}
339 POST_SYSCALL(setregid)(long res, long rgid, long egid) {}
341 PRE_SYSCALL(setgid)(long gid) {}
343 POST_SYSCALL(setgid)(long res, long gid) {}
345 PRE_SYSCALL(setreuid)(long ruid, long euid) {}
347 POST_SYSCALL(setreuid)(long res, long ruid, long euid) {}
349 PRE_SYSCALL(setuid)(long uid) {}
351 POST_SYSCALL(setuid)(long res, long uid) {}
353 PRE_SYSCALL(setresuid)(long ruid, long euid, long suid) {}
355 POST_SYSCALL(setresuid)(long res, long ruid, long euid, long suid) {}
357 PRE_SYSCALL(setresgid)(long rgid, long egid, long sgid) {}
359 POST_SYSCALL(setresgid)(long res, long rgid, long egid, long sgid) {}
361 PRE_SYSCALL(setfsuid)(long uid) {}
363 POST_SYSCALL(setfsuid)(long res, long uid) {}
365 PRE_SYSCALL(setfsgid)(long gid) {}
367 POST_SYSCALL(setfsgid)(long res, long gid) {}
369 PRE_SYSCALL(setpgid)(long pid, long pgid) {}
371 POST_SYSCALL(setpgid)(long res, long pid, long pgid) {}
373 PRE_SYSCALL(setsid)() {}
375 POST_SYSCALL(setsid)(long res) {}
377 PRE_SYSCALL(setgroups)(long gidsetsize, __sanitizer___kernel_gid_t *grouplist) {
378 if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist));
381 POST_SYSCALL(setgroups)(long res, long gidsetsize,
382 __sanitizer___kernel_gid_t *grouplist) {}
384 PRE_SYSCALL(acct)(const void *name) {
386 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
389 POST_SYSCALL(acct)(long res, const void *name) {}
391 PRE_SYSCALL(capget)(void *header, void *dataptr) {
392 if (header) PRE_READ(header, __user_cap_header_struct_sz);
395 POST_SYSCALL(capget)(long res, void *header, void *dataptr) {
397 if (dataptr) POST_WRITE(dataptr, __user_cap_data_struct_sz);
400 PRE_SYSCALL(capset)(void *header, const void *data) {
401 if (header) PRE_READ(header, __user_cap_header_struct_sz);
402 if (data) PRE_READ(data, __user_cap_data_struct_sz);
405 POST_SYSCALL(capset)(long res, void *header, const void *data) {}
407 PRE_SYSCALL(personality)(long personality) {}
409 POST_SYSCALL(personality)(long res, long personality) {}
411 PRE_SYSCALL(sigpending)(void *set) {}
413 POST_SYSCALL(sigpending)(long res, void *set) {
415 if (set) POST_WRITE(set, old_sigset_t_sz);
419 PRE_SYSCALL(sigprocmask)(long how, void *set, void *oset) {}
421 POST_SYSCALL(sigprocmask)(long res, long how, void *set, void *oset) {
423 if (set) POST_WRITE(set, old_sigset_t_sz);
424 if (oset) POST_WRITE(oset, old_sigset_t_sz);
428 PRE_SYSCALL(getitimer)(long which, void *value) {}
430 POST_SYSCALL(getitimer)(long res, long which, void *value) {
432 if (value) POST_WRITE(value, struct_itimerval_sz);
436 PRE_SYSCALL(setitimer)(long which, void *value, void *ovalue) {}
438 POST_SYSCALL(setitimer)(long res, long which, void *value, void *ovalue) {
440 if (value) POST_WRITE(value, struct_itimerval_sz);
441 if (ovalue) POST_WRITE(ovalue, struct_itimerval_sz);
445 PRE_SYSCALL(timer_create)(long which_clock, void *timer_event_spec,
446 void *created_timer_id) {}
448 POST_SYSCALL(timer_create)(long res, long which_clock, void *timer_event_spec,
449 void *created_timer_id) {
451 if (timer_event_spec) POST_WRITE(timer_event_spec, struct_sigevent_sz);
452 if (created_timer_id) POST_WRITE(created_timer_id, sizeof(long));
456 PRE_SYSCALL(timer_gettime)(long timer_id, void *setting) {}
458 POST_SYSCALL(timer_gettime)(long res, long timer_id, void *setting) {
460 if (setting) POST_WRITE(setting, struct_itimerspec_sz);
464 PRE_SYSCALL(timer_getoverrun)(long timer_id) {}
466 POST_SYSCALL(timer_getoverrun)(long res, long timer_id) {}
468 PRE_SYSCALL(timer_settime)(long timer_id, long flags, const void *new_setting,
470 if (new_setting) PRE_READ(new_setting, struct_itimerspec_sz);
473 POST_SYSCALL(timer_settime)(long res, long timer_id, long flags,
474 const void *new_setting, void *old_setting) {
476 if (old_setting) POST_WRITE(old_setting, struct_itimerspec_sz);
480 PRE_SYSCALL(timer_delete)(long timer_id) {}
482 POST_SYSCALL(timer_delete)(long res, long timer_id) {}
484 PRE_SYSCALL(clock_settime)(long which_clock, const void *tp) {
485 if (tp) PRE_READ(tp, struct_timespec_sz);
488 POST_SYSCALL(clock_settime)(long res, long which_clock, const void *tp) {}
490 PRE_SYSCALL(clock_gettime)(long which_clock, void *tp) {}
492 POST_SYSCALL(clock_gettime)(long res, long which_clock, void *tp) {
494 if (tp) POST_WRITE(tp, struct_timespec_sz);
498 #if !SANITIZER_ANDROID
499 PRE_SYSCALL(clock_adjtime)(long which_clock, void *tx) {}
501 POST_SYSCALL(clock_adjtime)(long res, long which_clock, void *tx) {
503 if (tx) POST_WRITE(tx, struct_timex_sz);
508 PRE_SYSCALL(clock_getres)(long which_clock, void *tp) {}
510 POST_SYSCALL(clock_getres)(long res, long which_clock, void *tp) {
512 if (tp) POST_WRITE(tp, struct_timespec_sz);
516 PRE_SYSCALL(clock_nanosleep)(long which_clock, long flags, const void *rqtp,
518 if (rqtp) PRE_READ(rqtp, struct_timespec_sz);
521 POST_SYSCALL(clock_nanosleep)(long res, long which_clock, long flags,
522 const void *rqtp, void *rmtp) {
524 if (rmtp) POST_WRITE(rmtp, struct_timespec_sz);
528 PRE_SYSCALL(nice)(long increment) {}
530 POST_SYSCALL(nice)(long res, long increment) {}
532 PRE_SYSCALL(sched_setscheduler)(long pid, long policy, void *param) {}
534 POST_SYSCALL(sched_setscheduler)(long res, long pid, long policy, void *param) {
536 if (param) POST_WRITE(param, struct_sched_param_sz);
540 PRE_SYSCALL(sched_setparam)(long pid, void *param) {
541 if (param) PRE_READ(param, struct_sched_param_sz);
544 POST_SYSCALL(sched_setparam)(long res, long pid, void *param) {}
546 PRE_SYSCALL(sched_getscheduler)(long pid) {}
548 POST_SYSCALL(sched_getscheduler)(long res, long pid) {}
550 PRE_SYSCALL(sched_getparam)(long pid, void *param) {}
552 POST_SYSCALL(sched_getparam)(long res, long pid, void *param) {
554 if (param) POST_WRITE(param, struct_sched_param_sz);
558 PRE_SYSCALL(sched_setaffinity)(long pid, long len, void *user_mask_ptr) {
559 if (user_mask_ptr) PRE_READ(user_mask_ptr, len);
562 POST_SYSCALL(sched_setaffinity)(long res, long pid, long len,
563 void *user_mask_ptr) {}
565 PRE_SYSCALL(sched_getaffinity)(long pid, long len, void *user_mask_ptr) {}
567 POST_SYSCALL(sched_getaffinity)(long res, long pid, long len,
568 void *user_mask_ptr) {
570 if (user_mask_ptr) POST_WRITE(user_mask_ptr, len);
574 PRE_SYSCALL(sched_yield)() {}
576 POST_SYSCALL(sched_yield)(long res) {}
578 PRE_SYSCALL(sched_get_priority_max)(long policy) {}
580 POST_SYSCALL(sched_get_priority_max)(long res, long policy) {}
582 PRE_SYSCALL(sched_get_priority_min)(long policy) {}
584 POST_SYSCALL(sched_get_priority_min)(long res, long policy) {}
586 PRE_SYSCALL(sched_rr_get_interval)(long pid, void *interval) {}
588 POST_SYSCALL(sched_rr_get_interval)(long res, long pid, void *interval) {
590 if (interval) POST_WRITE(interval, struct_timespec_sz);
594 PRE_SYSCALL(setpriority)(long which, long who, long niceval) {}
596 POST_SYSCALL(setpriority)(long res, long which, long who, long niceval) {}
598 PRE_SYSCALL(getpriority)(long which, long who) {}
600 POST_SYSCALL(getpriority)(long res, long which, long who) {}
602 PRE_SYSCALL(shutdown)(long arg0, long arg1) {}
604 POST_SYSCALL(shutdown)(long res, long arg0, long arg1) {}
606 PRE_SYSCALL(reboot)(long magic1, long magic2, long cmd, void *arg) {}
608 POST_SYSCALL(reboot)(long res, long magic1, long magic2, long cmd, void *arg) {}
610 PRE_SYSCALL(restart_syscall)() {}
612 POST_SYSCALL(restart_syscall)(long res) {}
614 PRE_SYSCALL(kexec_load)(long entry, long nr_segments, void *segments,
617 POST_SYSCALL(kexec_load)(long res, long entry, long nr_segments, void *segments,
620 if (segments) POST_WRITE(segments, struct_kexec_segment_sz);
624 PRE_SYSCALL(exit)(long error_code) {}
626 POST_SYSCALL(exit)(long res, long error_code) {}
628 PRE_SYSCALL(exit_group)(long error_code) {}
630 POST_SYSCALL(exit_group)(long res, long error_code) {}
632 PRE_SYSCALL(wait4)(long pid, void *stat_addr, long options, void *ru) {}
634 POST_SYSCALL(wait4)(long res, long pid, void *stat_addr, long options,
637 if (stat_addr) POST_WRITE(stat_addr, sizeof(int));
638 if (ru) POST_WRITE(ru, struct_rusage_sz);
642 PRE_SYSCALL(waitid)(long which, long pid, void *infop, long options, void *ru) {
645 POST_SYSCALL(waitid)(long res, long which, long pid, void *infop, long options,
648 if (infop) POST_WRITE(infop, siginfo_t_sz);
649 if (ru) POST_WRITE(ru, struct_rusage_sz);
653 PRE_SYSCALL(waitpid)(long pid, void *stat_addr, long options) {}
655 POST_SYSCALL(waitpid)(long res, long pid, void *stat_addr, long options) {
657 if (stat_addr) POST_WRITE(stat_addr, sizeof(int));
661 PRE_SYSCALL(set_tid_address)(void *tidptr) {}
663 POST_SYSCALL(set_tid_address)(long res, void *tidptr) {
665 if (tidptr) POST_WRITE(tidptr, sizeof(int));
669 PRE_SYSCALL(init_module)(void *umod, long len, const void *uargs) {
671 PRE_READ(uargs, __sanitizer::internal_strlen((const char *)uargs) + 1);
674 POST_SYSCALL(init_module)(long res, void *umod, long len, const void *uargs) {}
676 PRE_SYSCALL(delete_module)(const void *name_user, long flags) {
679 __sanitizer::internal_strlen((const char *)name_user) + 1);
682 POST_SYSCALL(delete_module)(long res, const void *name_user, long flags) {}
684 PRE_SYSCALL(rt_sigprocmask)(long how, void *set, void *oset, long sigsetsize) {}
686 POST_SYSCALL(rt_sigprocmask)(long res, long how, kernel_sigset_t *set,
687 kernel_sigset_t *oset, long sigsetsize) {
689 if (set) POST_WRITE(set, sigsetsize);
690 if (oset) POST_WRITE(oset, sigsetsize);
694 PRE_SYSCALL(rt_sigpending)(void *set, long sigsetsize) {}
696 POST_SYSCALL(rt_sigpending)(long res, kernel_sigset_t *set, long sigsetsize) {
698 if (set) POST_WRITE(set, sigsetsize);
702 PRE_SYSCALL(rt_sigtimedwait)(const kernel_sigset_t *uthese, void *uinfo,
703 const void *uts, long sigsetsize) {
704 if (uthese) PRE_READ(uthese, sigsetsize);
705 if (uts) PRE_READ(uts, struct_timespec_sz);
708 POST_SYSCALL(rt_sigtimedwait)(long res, const void *uthese, void *uinfo,
709 const void *uts, long sigsetsize) {
711 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
715 PRE_SYSCALL(rt_tgsigqueueinfo)(long tgid, long pid, long sig, void *uinfo) {}
717 POST_SYSCALL(rt_tgsigqueueinfo)(long res, long tgid, long pid, long sig,
720 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
724 PRE_SYSCALL(kill)(long pid, long sig) {}
726 POST_SYSCALL(kill)(long res, long pid, long sig) {}
728 PRE_SYSCALL(tgkill)(long tgid, long pid, long sig) {}
730 POST_SYSCALL(tgkill)(long res, long tgid, long pid, long sig) {}
732 PRE_SYSCALL(tkill)(long pid, long sig) {}
734 POST_SYSCALL(tkill)(long res, long pid, long sig) {}
736 PRE_SYSCALL(rt_sigqueueinfo)(long pid, long sig, void *uinfo) {}
738 POST_SYSCALL(rt_sigqueueinfo)(long res, long pid, long sig, void *uinfo) {
740 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
744 PRE_SYSCALL(sgetmask)() {}
746 POST_SYSCALL(sgetmask)(long res) {}
748 PRE_SYSCALL(ssetmask)(long newmask) {}
750 POST_SYSCALL(ssetmask)(long res, long newmask) {}
752 PRE_SYSCALL(signal)(long sig, long handler) {}
754 POST_SYSCALL(signal)(long res, long sig, long handler) {}
756 PRE_SYSCALL(pause)() {}
758 POST_SYSCALL(pause)(long res) {}
760 PRE_SYSCALL(sync)() {}
762 POST_SYSCALL(sync)(long res) {}
764 PRE_SYSCALL(fsync)(long fd) {}
766 POST_SYSCALL(fsync)(long res, long fd) {}
768 PRE_SYSCALL(fdatasync)(long fd) {}
770 POST_SYSCALL(fdatasync)(long res, long fd) {}
772 PRE_SYSCALL(bdflush)(long func, long data) {}
774 POST_SYSCALL(bdflush)(long res, long func, long data) {}
776 PRE_SYSCALL(mount)(void *dev_name, void *dir_name, void *type, long flags,
779 POST_SYSCALL(mount)(long res, void *dev_name, void *dir_name, void *type,
780 long flags, void *data) {
784 __sanitizer::internal_strlen((const char *)dev_name) + 1);
787 __sanitizer::internal_strlen((const char *)dir_name) + 1);
789 POST_WRITE(type, __sanitizer::internal_strlen((const char *)type) + 1);
793 PRE_SYSCALL(umount)(void *name, long flags) {}
795 POST_SYSCALL(umount)(long res, void *name, long flags) {
798 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
802 PRE_SYSCALL(oldumount)(void *name) {}
804 POST_SYSCALL(oldumount)(long res, void *name) {
807 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
811 PRE_SYSCALL(truncate)(const void *path, long length) {
813 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
816 POST_SYSCALL(truncate)(long res, const void *path, long length) {}
818 PRE_SYSCALL(ftruncate)(long fd, long length) {}
820 POST_SYSCALL(ftruncate)(long res, long fd, long length) {}
822 PRE_SYSCALL(stat)(const void *filename, void *statbuf) {
825 __sanitizer::internal_strlen((const char *)filename) + 1);
828 POST_SYSCALL(stat)(long res, const void *filename, void *statbuf) {
830 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
834 #if !SANITIZER_ANDROID
835 PRE_SYSCALL(statfs)(const void *path, void *buf) {
837 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
840 POST_SYSCALL(statfs)(long res, const void *path, void *buf) {
842 if (buf) POST_WRITE(buf, struct_statfs_sz);
846 PRE_SYSCALL(statfs64)(const void *path, long sz, void *buf) {
848 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
851 POST_SYSCALL(statfs64)(long res, const void *path, long sz, void *buf) {
853 if (buf) POST_WRITE(buf, struct_statfs64_sz);
857 PRE_SYSCALL(fstatfs)(long fd, void *buf) {}
859 POST_SYSCALL(fstatfs)(long res, long fd, void *buf) {
861 if (buf) POST_WRITE(buf, struct_statfs_sz);
865 PRE_SYSCALL(fstatfs64)(long fd, long sz, void *buf) {}
867 POST_SYSCALL(fstatfs64)(long res, long fd, long sz, void *buf) {
869 if (buf) POST_WRITE(buf, struct_statfs64_sz);
872 #endif // !SANITIZER_ANDROID
874 PRE_SYSCALL(lstat)(const void *filename, void *statbuf) {
877 __sanitizer::internal_strlen((const char *)filename) + 1);
880 POST_SYSCALL(lstat)(long res, const void *filename, void *statbuf) {
882 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
886 PRE_SYSCALL(fstat)(long fd, void *statbuf) {}
888 POST_SYSCALL(fstat)(long res, long fd, void *statbuf) {
890 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
894 PRE_SYSCALL(newstat)(const void *filename, void *statbuf) {
897 __sanitizer::internal_strlen((const char *)filename) + 1);
900 POST_SYSCALL(newstat)(long res, const void *filename, void *statbuf) {
902 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
906 PRE_SYSCALL(newlstat)(const void *filename, void *statbuf) {
909 __sanitizer::internal_strlen((const char *)filename) + 1);
912 POST_SYSCALL(newlstat)(long res, const void *filename, void *statbuf) {
914 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
918 PRE_SYSCALL(newfstat)(long fd, void *statbuf) {}
920 POST_SYSCALL(newfstat)(long res, long fd, void *statbuf) {
922 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
926 #if !SANITIZER_ANDROID
927 PRE_SYSCALL(ustat)(long dev, void *ubuf) {}
929 POST_SYSCALL(ustat)(long res, long dev, void *ubuf) {
931 if (ubuf) POST_WRITE(ubuf, struct_ustat_sz);
934 #endif // !SANITIZER_ANDROID
936 PRE_SYSCALL(stat64)(const void *filename, void *statbuf) {
939 __sanitizer::internal_strlen((const char *)filename) + 1);
942 POST_SYSCALL(stat64)(long res, const void *filename, void *statbuf) {
944 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
948 PRE_SYSCALL(fstat64)(long fd, void *statbuf) {}
950 POST_SYSCALL(fstat64)(long res, long fd, void *statbuf) {
952 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
956 PRE_SYSCALL(lstat64)(const void *filename, void *statbuf) {
959 __sanitizer::internal_strlen((const char *)filename) + 1);
962 POST_SYSCALL(lstat64)(long res, const void *filename, void *statbuf) {
964 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
968 PRE_SYSCALL(setxattr)(const void *path, const void *name, const void *value,
969 long size, long flags) {
971 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
973 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
974 if (value) PRE_READ(value, size);
977 POST_SYSCALL(setxattr)(long res, const void *path, const void *name,
978 const void *value, long size, long flags) {}
980 PRE_SYSCALL(lsetxattr)(const void *path, const void *name, const void *value,
981 long size, long flags) {
983 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
985 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
986 if (value) PRE_READ(value, size);
989 POST_SYSCALL(lsetxattr)(long res, const void *path, const void *name,
990 const void *value, long size, long flags) {}
992 PRE_SYSCALL(fsetxattr)(long fd, const void *name, const void *value, long size,
995 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
996 if (value) PRE_READ(value, size);
999 POST_SYSCALL(fsetxattr)(long res, long fd, const void *name, const void *value,
1000 long size, long flags) {}
1002 PRE_SYSCALL(getxattr)(const void *path, const void *name, void *value,
1005 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1007 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1010 POST_SYSCALL(getxattr)(long res, const void *path, const void *name,
1011 void *value, long size) {
1012 if (size && res > 0) {
1013 if (value) POST_WRITE(value, res);
1017 PRE_SYSCALL(lgetxattr)(const void *path, const void *name, void *value,
1020 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1022 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1025 POST_SYSCALL(lgetxattr)(long res, const void *path, const void *name,
1026 void *value, long size) {
1027 if (size && res > 0) {
1028 if (value) POST_WRITE(value, res);
1032 PRE_SYSCALL(fgetxattr)(long fd, const void *name, void *value, long size) {
1034 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1037 POST_SYSCALL(fgetxattr)(long res, long fd, const void *name, void *value,
1039 if (size && res > 0) {
1040 if (value) POST_WRITE(value, res);
1044 PRE_SYSCALL(listxattr)(const void *path, void *list, long size) {
1046 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1049 POST_SYSCALL(listxattr)(long res, const void *path, void *list, long size) {
1050 if (size && res > 0) {
1051 if (list) POST_WRITE(list, res);
1055 PRE_SYSCALL(llistxattr)(const void *path, void *list, long size) {
1057 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1060 POST_SYSCALL(llistxattr)(long res, const void *path, void *list, long size) {
1061 if (size && res > 0) {
1062 if (list) POST_WRITE(list, res);
1066 PRE_SYSCALL(flistxattr)(long fd, void *list, long size) {}
1068 POST_SYSCALL(flistxattr)(long res, long fd, void *list, long size) {
1069 if (size && res > 0) {
1070 if (list) POST_WRITE(list, res);
1074 PRE_SYSCALL(removexattr)(const void *path, const void *name) {
1076 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1078 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1081 POST_SYSCALL(removexattr)(long res, const void *path, const void *name) {}
1083 PRE_SYSCALL(lremovexattr)(const void *path, const void *name) {
1085 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1087 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1090 POST_SYSCALL(lremovexattr)(long res, const void *path, const void *name) {}
1092 PRE_SYSCALL(fremovexattr)(long fd, const void *name) {
1094 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1097 POST_SYSCALL(fremovexattr)(long res, long fd, const void *name) {}
1099 PRE_SYSCALL(brk)(long brk) {}
1101 POST_SYSCALL(brk)(long res, long brk) {}
1103 PRE_SYSCALL(mprotect)(long start, long len, long prot) {}
1105 POST_SYSCALL(mprotect)(long res, long start, long len, long prot) {}
1107 PRE_SYSCALL(mremap)(long addr, long old_len, long new_len, long flags,
1110 POST_SYSCALL(mremap)(long res, long addr, long old_len, long new_len,
1111 long flags, long new_addr) {}
1113 PRE_SYSCALL(remap_file_pages)(long start, long size, long prot, long pgoff,
1116 POST_SYSCALL(remap_file_pages)(long res, long start, long size, long prot,
1117 long pgoff, long flags) {}
1119 PRE_SYSCALL(msync)(long start, long len, long flags) {}
1121 POST_SYSCALL(msync)(long res, long start, long len, long flags) {}
1123 PRE_SYSCALL(munmap)(long addr, long len) {}
1125 POST_SYSCALL(munmap)(long res, long addr, long len) {}
1127 PRE_SYSCALL(mlock)(long start, long len) {}
1129 POST_SYSCALL(mlock)(long res, long start, long len) {}
1131 PRE_SYSCALL(munlock)(long start, long len) {}
1133 POST_SYSCALL(munlock)(long res, long start, long len) {}
1135 PRE_SYSCALL(mlockall)(long flags) {}
1137 POST_SYSCALL(mlockall)(long res, long flags) {}
1139 PRE_SYSCALL(munlockall)() {}
1141 POST_SYSCALL(munlockall)(long res) {}
1143 PRE_SYSCALL(madvise)(long start, long len, long behavior) {}
1145 POST_SYSCALL(madvise)(long res, long start, long len, long behavior) {}
1147 PRE_SYSCALL(mincore)(long start, long len, void *vec) {}
1149 POST_SYSCALL(mincore)(long res, long start, long len, void *vec) {
1152 POST_WRITE(vec, (len + GetPageSizeCached() - 1) / GetPageSizeCached());
1157 PRE_SYSCALL(pivot_root)(const void *new_root, const void *put_old) {
1160 __sanitizer::internal_strlen((const char *)new_root) + 1);
1162 PRE_READ(put_old, __sanitizer::internal_strlen((const char *)put_old) + 1);
1165 POST_SYSCALL(pivot_root)(long res, const void *new_root, const void *put_old) {}
1167 PRE_SYSCALL(chroot)(const void *filename) {
1170 __sanitizer::internal_strlen((const char *)filename) + 1);
1173 POST_SYSCALL(chroot)(long res, const void *filename) {}
1175 PRE_SYSCALL(mknod)(const void *filename, long mode, long dev) {
1178 __sanitizer::internal_strlen((const char *)filename) + 1);
1181 POST_SYSCALL(mknod)(long res, const void *filename, long mode, long dev) {}
1183 PRE_SYSCALL(link)(const void *oldname, const void *newname) {
1185 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
1187 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
1190 POST_SYSCALL(link)(long res, const void *oldname, const void *newname) {}
1192 PRE_SYSCALL(symlink)(const void *old, const void *new_) {
1193 if (old) PRE_READ(old, __sanitizer::internal_strlen((const char *)old) + 1);
1195 PRE_READ(new_, __sanitizer::internal_strlen((const char *)new_) + 1);
1198 POST_SYSCALL(symlink)(long res, const void *old, const void *new_) {}
1200 PRE_SYSCALL(unlink)(const void *pathname) {
1203 __sanitizer::internal_strlen((const char *)pathname) + 1);
1206 POST_SYSCALL(unlink)(long res, const void *pathname) {}
1208 PRE_SYSCALL(rename)(const void *oldname, const void *newname) {
1210 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
1212 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
1215 POST_SYSCALL(rename)(long res, const void *oldname, const void *newname) {}
1217 PRE_SYSCALL(chmod)(const void *filename, long mode) {
1220 __sanitizer::internal_strlen((const char *)filename) + 1);
1223 POST_SYSCALL(chmod)(long res, const void *filename, long mode) {}
1225 PRE_SYSCALL(fchmod)(long fd, long mode) {}
1227 POST_SYSCALL(fchmod)(long res, long fd, long mode) {}
1229 PRE_SYSCALL(fcntl)(long fd, long cmd, long arg) {}
1231 POST_SYSCALL(fcntl)(long res, long fd, long cmd, long arg) {}
1233 PRE_SYSCALL(fcntl64)(long fd, long cmd, long arg) {}
1235 POST_SYSCALL(fcntl64)(long res, long fd, long cmd, long arg) {}
1237 PRE_SYSCALL(pipe)(void *fildes) {}
1239 POST_SYSCALL(pipe)(long res, void *fildes) {
1241 if (fildes) POST_WRITE(fildes, sizeof(int));
1245 PRE_SYSCALL(pipe2)(void *fildes, long flags) {}
1247 POST_SYSCALL(pipe2)(long res, void *fildes, long flags) {
1249 if (fildes) POST_WRITE(fildes, sizeof(int));
1253 PRE_SYSCALL(dup)(long fildes) {}
1255 POST_SYSCALL(dup)(long res, long fildes) {}
1257 PRE_SYSCALL(dup2)(long oldfd, long newfd) {}
1259 POST_SYSCALL(dup2)(long res, long oldfd, long newfd) {}
1261 PRE_SYSCALL(dup3)(long oldfd, long newfd, long flags) {}
1263 POST_SYSCALL(dup3)(long res, long oldfd, long newfd, long flags) {}
1265 PRE_SYSCALL(ioperm)(long from, long num, long on) {}
1267 POST_SYSCALL(ioperm)(long res, long from, long num, long on) {}
1269 PRE_SYSCALL(ioctl)(long fd, long cmd, long arg) {}
1271 POST_SYSCALL(ioctl)(long res, long fd, long cmd, long arg) {}
1273 PRE_SYSCALL(flock)(long fd, long cmd) {}
1275 POST_SYSCALL(flock)(long res, long fd, long cmd) {}
1277 PRE_SYSCALL(io_setup)(long nr_reqs, void **ctx) {
1278 if (ctx) PRE_WRITE(ctx, sizeof(*ctx));
1281 POST_SYSCALL(io_setup)(long res, long nr_reqs, void **ctx) {
1283 if (ctx) POST_WRITE(ctx, sizeof(*ctx));
1284 // (*ctx) is actually a pointer to a kernel mapped page, and there are
1285 // people out there who are crazy enough to peek into that page's 32-byte
1287 if (*ctx) POST_WRITE(*ctx, 32);
1291 PRE_SYSCALL(io_destroy)(long ctx) {}
1293 POST_SYSCALL(io_destroy)(long res, long ctx) {}
1295 PRE_SYSCALL(io_getevents)(long ctx_id, long min_nr, long nr,
1296 __sanitizer_io_event *ioevpp, void *timeout) {
1297 if (timeout) PRE_READ(timeout, struct_timespec_sz);
1300 POST_SYSCALL(io_getevents)(long res, long ctx_id, long min_nr, long nr,
1301 __sanitizer_io_event *ioevpp, void *timeout) {
1303 if (ioevpp) POST_WRITE(ioevpp, res * sizeof(*ioevpp));
1304 if (timeout) POST_WRITE(timeout, struct_timespec_sz);
1306 for (long i = 0; i < res; i++) {
1307 // We synchronize io_submit -> io_getevents/io_cancel using the
1308 // user-provided data context. Data is not necessary a pointer, it can be
1309 // an int, 0 or whatever; acquire/release will correctly handle this.
1310 // This scheme can lead to false negatives, e.g. when all operations
1311 // synchronize on 0. But there does not seem to be a better solution
1312 // (except wrapping all operations in own context, which is unreliable).
1313 // We can not reliably extract fildes in io_getevents.
1314 COMMON_SYSCALL_ACQUIRE((void*)ioevpp[i].data);
1318 PRE_SYSCALL(io_submit)(long ctx_id, long nr, __sanitizer_iocb **iocbpp) {
1319 for (long i = 0; i < nr; ++i) {
1320 uptr op = iocbpp[i]->aio_lio_opcode;
1321 void *data = (void*)iocbpp[i]->aio_data;
1322 void *buf = (void*)iocbpp[i]->aio_buf;
1323 uptr len = (uptr)iocbpp[i]->aio_nbytes;
1324 if (op == iocb_cmd_pwrite && buf && len) {
1326 } else if (op == iocb_cmd_pread && buf && len) {
1327 POST_WRITE(buf, len);
1328 } else if (op == iocb_cmd_pwritev) {
1329 __sanitizer_iovec *iovec = (__sanitizer_iovec*)buf;
1330 for (uptr v = 0; v < len; v++)
1331 PRE_READ(iovec[v].iov_base, iovec[v].iov_len);
1332 } else if (op == iocb_cmd_preadv) {
1333 __sanitizer_iovec *iovec = (__sanitizer_iovec*)buf;
1334 for (uptr v = 0; v < len; v++)
1335 POST_WRITE(iovec[v].iov_base, iovec[v].iov_len);
1337 // See comment in io_getevents.
1338 COMMON_SYSCALL_RELEASE(data);
1342 POST_SYSCALL(io_submit)(long res, long ctx_id, long nr,
1343 __sanitizer_iocb **iocbpp) {}
1345 PRE_SYSCALL(io_cancel)(long ctx_id, __sanitizer_iocb *iocb,
1346 __sanitizer_io_event *result) {
1349 POST_SYSCALL(io_cancel)(long res, long ctx_id, __sanitizer_iocb *iocb,
1350 __sanitizer_io_event *result) {
1353 // See comment in io_getevents.
1354 COMMON_SYSCALL_ACQUIRE((void*)result->data);
1355 POST_WRITE(result, sizeof(*result));
1358 POST_WRITE(iocb, sizeof(*iocb));
1362 PRE_SYSCALL(sendfile)(long out_fd, long in_fd, void *offset, long count) {}
1364 POST_SYSCALL(sendfile)(long res, long out_fd, long in_fd,
1365 __sanitizer___kernel_off_t *offset, long count) {
1367 if (offset) POST_WRITE(offset, sizeof(*offset));
1371 PRE_SYSCALL(sendfile64)(long out_fd, long in_fd, void *offset, long count) {}
1373 POST_SYSCALL(sendfile64)(long res, long out_fd, long in_fd,
1374 __sanitizer___kernel_loff_t *offset, long count) {
1376 if (offset) POST_WRITE(offset, sizeof(*offset));
1380 PRE_SYSCALL(readlink)(const void *path, void *buf, long bufsiz) {
1382 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1385 POST_SYSCALL(readlink)(long res, const void *path, void *buf, long bufsiz) {
1388 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1392 PRE_SYSCALL(creat)(const void *pathname, long mode) {
1395 __sanitizer::internal_strlen((const char *)pathname) + 1);
1398 POST_SYSCALL(creat)(long res, const void *pathname, long mode) {}
1400 PRE_SYSCALL(open)(const void *filename, long flags, long mode) {
1403 __sanitizer::internal_strlen((const char *)filename) + 1);
1406 POST_SYSCALL(open)(long res, const void *filename, long flags, long mode) {}
1408 PRE_SYSCALL(close)(long fd) {
1409 COMMON_SYSCALL_FD_CLOSE((int)fd);
1412 POST_SYSCALL(close)(long res, long fd) {}
1414 PRE_SYSCALL(access)(const void *filename, long mode) {
1417 __sanitizer::internal_strlen((const char *)filename) + 1);
1420 POST_SYSCALL(access)(long res, const void *filename, long mode) {}
1422 PRE_SYSCALL(vhangup)() {}
1424 POST_SYSCALL(vhangup)(long res) {}
1426 PRE_SYSCALL(chown)(const void *filename, long user, long group) {
1429 __sanitizer::internal_strlen((const char *)filename) + 1);
1432 POST_SYSCALL(chown)(long res, const void *filename, long user, long group) {}
1434 PRE_SYSCALL(lchown)(const void *filename, long user, long group) {
1437 __sanitizer::internal_strlen((const char *)filename) + 1);
1440 POST_SYSCALL(lchown)(long res, const void *filename, long user, long group) {}
1442 PRE_SYSCALL(fchown)(long fd, long user, long group) {}
1444 POST_SYSCALL(fchown)(long res, long fd, long user, long group) {}
1446 #if SANITIZER_USES_UID16_SYSCALLS
1447 PRE_SYSCALL(chown16)(const void *filename, long user, long group) {
1450 __sanitizer::internal_strlen((const char *)filename) + 1);
1453 POST_SYSCALL(chown16)(long res, const void *filename, long user, long group) {}
1455 PRE_SYSCALL(lchown16)(const void *filename, long user, long group) {
1458 __sanitizer::internal_strlen((const char *)filename) + 1);
1461 POST_SYSCALL(lchown16)(long res, const void *filename, long user, long group) {}
1463 PRE_SYSCALL(fchown16)(long fd, long user, long group) {}
1465 POST_SYSCALL(fchown16)(long res, long fd, long user, long group) {}
1467 PRE_SYSCALL(setregid16)(long rgid, long egid) {}
1469 POST_SYSCALL(setregid16)(long res, long rgid, long egid) {}
1471 PRE_SYSCALL(setgid16)(long gid) {}
1473 POST_SYSCALL(setgid16)(long res, long gid) {}
1475 PRE_SYSCALL(setreuid16)(long ruid, long euid) {}
1477 POST_SYSCALL(setreuid16)(long res, long ruid, long euid) {}
1479 PRE_SYSCALL(setuid16)(long uid) {}
1481 POST_SYSCALL(setuid16)(long res, long uid) {}
1483 PRE_SYSCALL(setresuid16)(long ruid, long euid, long suid) {}
1485 POST_SYSCALL(setresuid16)(long res, long ruid, long euid, long suid) {}
1487 PRE_SYSCALL(getresuid16)(void *ruid, void *euid, void *suid) {}
1489 POST_SYSCALL(getresuid16)(long res, __sanitizer___kernel_old_uid_t *ruid,
1490 __sanitizer___kernel_old_uid_t *euid,
1491 __sanitizer___kernel_old_uid_t *suid) {
1493 if (ruid) POST_WRITE(ruid, sizeof(*ruid));
1494 if (euid) POST_WRITE(euid, sizeof(*euid));
1495 if (suid) POST_WRITE(suid, sizeof(*suid));
1499 PRE_SYSCALL(setresgid16)(long rgid, long egid, long sgid) {}
1501 POST_SYSCALL(setresgid16)(long res, long rgid, long egid, long sgid) {}
1503 PRE_SYSCALL(getresgid16)(void *rgid, void *egid, void *sgid) {}
1505 POST_SYSCALL(getresgid16)(long res, __sanitizer___kernel_old_gid_t *rgid,
1506 __sanitizer___kernel_old_gid_t *egid,
1507 __sanitizer___kernel_old_gid_t *sgid) {
1509 if (rgid) POST_WRITE(rgid, sizeof(*rgid));
1510 if (egid) POST_WRITE(egid, sizeof(*egid));
1511 if (sgid) POST_WRITE(sgid, sizeof(*sgid));
1515 PRE_SYSCALL(setfsuid16)(long uid) {}
1517 POST_SYSCALL(setfsuid16)(long res, long uid) {}
1519 PRE_SYSCALL(setfsgid16)(long gid) {}
1521 POST_SYSCALL(setfsgid16)(long res, long gid) {}
1523 PRE_SYSCALL(getgroups16)(long gidsetsize,
1524 __sanitizer___kernel_old_gid_t *grouplist) {}
1526 POST_SYSCALL(getgroups16)(long res, long gidsetsize,
1527 __sanitizer___kernel_old_gid_t *grouplist) {
1529 if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist));
1533 PRE_SYSCALL(setgroups16)(long gidsetsize,
1534 __sanitizer___kernel_old_gid_t *grouplist) {
1535 if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist));
1538 POST_SYSCALL(setgroups16)(long res, long gidsetsize,
1539 __sanitizer___kernel_old_gid_t *grouplist) {}
1541 PRE_SYSCALL(getuid16)() {}
1543 POST_SYSCALL(getuid16)(long res) {}
1545 PRE_SYSCALL(geteuid16)() {}
1547 POST_SYSCALL(geteuid16)(long res) {}
1549 PRE_SYSCALL(getgid16)() {}
1551 POST_SYSCALL(getgid16)(long res) {}
1553 PRE_SYSCALL(getegid16)() {}
1555 POST_SYSCALL(getegid16)(long res) {}
1556 #endif // SANITIZER_USES_UID16_SYSCALLS
1558 PRE_SYSCALL(utime)(void *filename, void *times) {}
1560 POST_SYSCALL(utime)(long res, void *filename, void *times) {
1563 POST_WRITE(filename,
1564 __sanitizer::internal_strlen((const char *)filename) + 1);
1565 if (times) POST_WRITE(times, struct_utimbuf_sz);
1569 PRE_SYSCALL(utimes)(void *filename, void *utimes) {}
1571 POST_SYSCALL(utimes)(long res, void *filename, void *utimes) {
1574 POST_WRITE(filename,
1575 __sanitizer::internal_strlen((const char *)filename) + 1);
1576 if (utimes) POST_WRITE(utimes, timeval_sz);
1580 PRE_SYSCALL(lseek)(long fd, long offset, long origin) {}
1582 POST_SYSCALL(lseek)(long res, long fd, long offset, long origin) {}
1584 PRE_SYSCALL(llseek)(long fd, long offset_high, long offset_low, void *result,
1587 POST_SYSCALL(llseek)(long res, long fd, long offset_high, long offset_low,
1588 void *result, long origin) {
1590 if (result) POST_WRITE(result, sizeof(long long));
1594 PRE_SYSCALL(readv)(long fd, const __sanitizer_iovec *vec, long vlen) {}
1596 POST_SYSCALL(readv)(long res, long fd, const __sanitizer_iovec *vec,
1599 if (vec) kernel_write_iovec(vec, vlen, res);
1603 PRE_SYSCALL(write)(long fd, const void *buf, long count) {
1604 if (buf) PRE_READ(buf, count);
1607 POST_SYSCALL(write)(long res, long fd, const void *buf, long count) {}
1609 PRE_SYSCALL(writev)(long fd, const __sanitizer_iovec *vec, long vlen) {}
1611 POST_SYSCALL(writev)(long res, long fd, const __sanitizer_iovec *vec,
1614 if (vec) kernel_read_iovec(vec, vlen, res);
1619 PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos) {}
1621 POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos) {
1623 if (buf) POST_WRITE(buf, res);
1627 PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos) {
1628 if (buf) PRE_READ(buf, count);
1631 POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count,
1634 PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos0, long pos1) {}
1636 POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos0,
1639 if (buf) POST_WRITE(buf, res);
1643 PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos0,
1645 if (buf) PRE_READ(buf, count);
1648 POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count,
1649 long pos0, long pos1) {}
1652 PRE_SYSCALL(preadv)(long fd, const __sanitizer_iovec *vec, long vlen,
1653 long pos_l, long pos_h) {}
1655 POST_SYSCALL(preadv)(long res, long fd, const __sanitizer_iovec *vec, long vlen,
1656 long pos_l, long pos_h) {
1658 if (vec) kernel_write_iovec(vec, vlen, res);
1662 PRE_SYSCALL(pwritev)(long fd, const __sanitizer_iovec *vec, long vlen,
1663 long pos_l, long pos_h) {}
1665 POST_SYSCALL(pwritev)(long res, long fd, const __sanitizer_iovec *vec,
1666 long vlen, long pos_l, long pos_h) {
1668 if (vec) kernel_read_iovec(vec, vlen, res);
1672 PRE_SYSCALL(getcwd)(void *buf, long size) {}
1674 POST_SYSCALL(getcwd)(long res, void *buf, long size) {
1677 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1681 PRE_SYSCALL(mkdir)(const void *pathname, long mode) {
1684 __sanitizer::internal_strlen((const char *)pathname) + 1);
1687 POST_SYSCALL(mkdir)(long res, const void *pathname, long mode) {}
1689 PRE_SYSCALL(chdir)(const void *filename) {
1692 __sanitizer::internal_strlen((const char *)filename) + 1);
1695 POST_SYSCALL(chdir)(long res, const void *filename) {}
1697 PRE_SYSCALL(fchdir)(long fd) {}
1699 POST_SYSCALL(fchdir)(long res, long fd) {}
1701 PRE_SYSCALL(rmdir)(const void *pathname) {
1704 __sanitizer::internal_strlen((const char *)pathname) + 1);
1707 POST_SYSCALL(rmdir)(long res, const void *pathname) {}
1709 PRE_SYSCALL(lookup_dcookie)(u64 cookie64, void *buf, long len) {}
1711 POST_SYSCALL(lookup_dcookie)(long res, u64 cookie64, void *buf, long len) {
1714 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1718 PRE_SYSCALL(quotactl)(long cmd, const void *special, long id, void *addr) {
1720 PRE_READ(special, __sanitizer::internal_strlen((const char *)special) + 1);
1723 POST_SYSCALL(quotactl)(long res, long cmd, const void *special, long id,
1726 PRE_SYSCALL(getdents)(long fd, void *dirent, long count) {}
1728 POST_SYSCALL(getdents)(long res, long fd, void *dirent, long count) {
1730 if (dirent) POST_WRITE(dirent, res);
1734 PRE_SYSCALL(getdents64)(long fd, void *dirent, long count) {}
1736 POST_SYSCALL(getdents64)(long res, long fd, void *dirent, long count) {
1738 if (dirent) POST_WRITE(dirent, res);
1742 PRE_SYSCALL(setsockopt)(long fd, long level, long optname, void *optval,
1745 POST_SYSCALL(setsockopt)(long res, long fd, long level, long optname,
1746 void *optval, long optlen) {
1750 __sanitizer::internal_strlen((const char *)optval) + 1);
1754 PRE_SYSCALL(getsockopt)(long fd, long level, long optname, void *optval,
1757 POST_SYSCALL(getsockopt)(long res, long fd, long level, long optname,
1758 void *optval, void *optlen) {
1762 __sanitizer::internal_strlen((const char *)optval) + 1);
1763 if (optlen) POST_WRITE(optlen, sizeof(int));
1767 PRE_SYSCALL(bind)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {}
1769 POST_SYSCALL(bind)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1772 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1776 PRE_SYSCALL(connect)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {}
1778 POST_SYSCALL(connect)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1781 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1785 PRE_SYSCALL(accept)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2) {}
1787 POST_SYSCALL(accept)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1790 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1791 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1795 PRE_SYSCALL(accept4)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2,
1798 POST_SYSCALL(accept4)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1799 void *arg2, long arg3) {
1801 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1802 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1806 PRE_SYSCALL(getsockname)(long arg0, sanitizer_kernel_sockaddr *arg1,
1809 POST_SYSCALL(getsockname)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1812 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1813 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1817 PRE_SYSCALL(getpeername)(long arg0, sanitizer_kernel_sockaddr *arg1,
1820 POST_SYSCALL(getpeername)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1823 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1824 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1828 PRE_SYSCALL(send)(long arg0, void *arg1, long arg2, long arg3) {}
1830 POST_SYSCALL(send)(long res, long arg0, void *arg1, long arg2, long arg3) {
1832 if (arg1) POST_READ(arg1, res);
1836 PRE_SYSCALL(sendto)(long arg0, void *arg1, long arg2, long arg3,
1837 sanitizer_kernel_sockaddr *arg4, long arg5) {}
1839 POST_SYSCALL(sendto)(long res, long arg0, void *arg1, long arg2, long arg3,
1840 sanitizer_kernel_sockaddr *arg4, long arg5) {
1842 if (arg1) POST_READ(arg1, res);
1843 if (arg4) POST_WRITE(arg4, sizeof(*arg4));
1847 PRE_SYSCALL(sendmsg)(long fd, void *msg, long flags) {}
1849 POST_SYSCALL(sendmsg)(long res, long fd, void *msg, long flags) {
1853 PRE_SYSCALL(sendmmsg)(long fd, void *msg, long vlen, long flags) {}
1855 POST_SYSCALL(sendmmsg)(long res, long fd, void *msg, long vlen, long flags) {
1859 PRE_SYSCALL(recv)(long arg0, void *buf, long len, long flags) {}
1861 POST_SYSCALL(recv)(long res, void *buf, long len, long flags) {
1863 if (buf) POST_WRITE(buf, res);
1867 PRE_SYSCALL(recvfrom)(long arg0, void *buf, long len, long flags,
1868 sanitizer_kernel_sockaddr *arg4, void *arg5) {}
1870 POST_SYSCALL(recvfrom)(long res, long arg0, void *buf, long len, long flags,
1871 sanitizer_kernel_sockaddr *arg4, void *arg5) {
1873 if (buf) POST_WRITE(buf, res);
1874 if (arg4) POST_WRITE(arg4, sizeof(*arg4));
1875 if (arg5) POST_WRITE(arg5, sizeof(int));
1879 PRE_SYSCALL(socket)(long arg0, long arg1, long arg2) {}
1881 POST_SYSCALL(socket)(long res, long arg0, long arg1, long arg2) {}
1883 PRE_SYSCALL(socketpair)(long arg0, long arg1, long arg2, void *arg3) {}
1885 POST_SYSCALL(socketpair)(long res, long arg0, long arg1, long arg2,
1888 if (arg3) POST_WRITE(arg3, sizeof(int));
1892 PRE_SYSCALL(socketcall)(long call, void *args) {}
1894 POST_SYSCALL(socketcall)(long res, long call, void *args) {
1896 if (args) POST_WRITE(args, sizeof(long));
1900 PRE_SYSCALL(listen)(long arg0, long arg1) {}
1902 POST_SYSCALL(listen)(long res, long arg0, long arg1) {}
1904 PRE_SYSCALL(poll)(void *ufds, long nfds, long timeout) {}
1906 POST_SYSCALL(poll)(long res, __sanitizer_pollfd *ufds, long nfds,
1909 if (ufds) POST_WRITE(ufds, nfds * sizeof(*ufds));
1913 PRE_SYSCALL(select)(long n, __sanitizer___kernel_fd_set *inp,
1914 __sanitizer___kernel_fd_set *outp,
1915 __sanitizer___kernel_fd_set *exp, void *tvp) {}
1917 POST_SYSCALL(select)(long res, long n, __sanitizer___kernel_fd_set *inp,
1918 __sanitizer___kernel_fd_set *outp,
1919 __sanitizer___kernel_fd_set *exp, void *tvp) {
1921 if (inp) POST_WRITE(inp, sizeof(*inp));
1922 if (outp) POST_WRITE(outp, sizeof(*outp));
1923 if (exp) POST_WRITE(exp, sizeof(*exp));
1924 if (tvp) POST_WRITE(tvp, timeval_sz);
1928 PRE_SYSCALL(old_select)(void *arg) {}
1930 POST_SYSCALL(old_select)(long res, void *arg) {}
1932 PRE_SYSCALL(epoll_create)(long size) {}
1934 POST_SYSCALL(epoll_create)(long res, long size) {}
1936 PRE_SYSCALL(epoll_create1)(long flags) {}
1938 POST_SYSCALL(epoll_create1)(long res, long flags) {}
1940 PRE_SYSCALL(epoll_ctl)(long epfd, long op, long fd, void *event) {}
1942 POST_SYSCALL(epoll_ctl)(long res, long epfd, long op, long fd, void *event) {
1944 if (event) POST_WRITE(event, struct_epoll_event_sz);
1948 PRE_SYSCALL(epoll_wait)(long epfd, void *events, long maxevents, long timeout) {
1951 POST_SYSCALL(epoll_wait)(long res, long epfd, void *events, long maxevents,
1954 if (events) POST_WRITE(events, struct_epoll_event_sz);
1958 PRE_SYSCALL(epoll_pwait)(long epfd, void *events, long maxevents, long timeout,
1959 const kernel_sigset_t *sigmask, long sigsetsize) {
1960 if (sigmask) PRE_READ(sigmask, sigsetsize);
1963 POST_SYSCALL(epoll_pwait)(long res, long epfd, void *events, long maxevents,
1964 long timeout, const void *sigmask, long sigsetsize) {
1966 if (events) POST_WRITE(events, struct_epoll_event_sz);
1970 PRE_SYSCALL(gethostname)(void *name, long len) {}
1972 POST_SYSCALL(gethostname)(long res, void *name, long len) {
1975 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1979 PRE_SYSCALL(sethostname)(void *name, long len) {}
1981 POST_SYSCALL(sethostname)(long res, void *name, long len) {
1984 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1988 PRE_SYSCALL(setdomainname)(void *name, long len) {}
1990 POST_SYSCALL(setdomainname)(long res, void *name, long len) {
1993 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1997 PRE_SYSCALL(newuname)(void *name) {}
1999 POST_SYSCALL(newuname)(long res, void *name) {
2001 if (name) POST_WRITE(name, struct_new_utsname_sz);
2005 PRE_SYSCALL(uname)(void *arg0) {}
2007 POST_SYSCALL(uname)(long res, void *arg0) {
2009 if (arg0) POST_WRITE(arg0, struct_old_utsname_sz);
2013 PRE_SYSCALL(olduname)(void *arg0) {}
2015 POST_SYSCALL(olduname)(long res, void *arg0) {
2017 if (arg0) POST_WRITE(arg0, struct_oldold_utsname_sz);
2021 PRE_SYSCALL(getrlimit)(long resource, void *rlim) {}
2023 POST_SYSCALL(getrlimit)(long res, long resource, void *rlim) {
2025 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2029 PRE_SYSCALL(old_getrlimit)(long resource, void *rlim) {}
2031 POST_SYSCALL(old_getrlimit)(long res, long resource, void *rlim) {
2033 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2037 PRE_SYSCALL(setrlimit)(long resource, void *rlim) {}
2039 POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) {
2041 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2045 #if !SANITIZER_ANDROID
2046 PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim,
2048 if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz);
2051 POST_SYSCALL(prlimit64)(long res, long pid, long resource, const void *new_rlim,
2054 if (old_rlim) POST_WRITE(old_rlim, struct_rlimit64_sz);
2059 PRE_SYSCALL(getrusage)(long who, void *ru) {}
2061 POST_SYSCALL(getrusage)(long res, long who, void *ru) {
2063 if (ru) POST_WRITE(ru, struct_rusage_sz);
2067 PRE_SYSCALL(umask)(long mask) {}
2069 POST_SYSCALL(umask)(long res, long mask) {}
2071 PRE_SYSCALL(msgget)(long key, long msgflg) {}
2073 POST_SYSCALL(msgget)(long res, long key, long msgflg) {}
2075 PRE_SYSCALL(msgsnd)(long msqid, void *msgp, long msgsz, long msgflg) {
2076 if (msgp) PRE_READ(msgp, msgsz);
2079 POST_SYSCALL(msgsnd)(long res, long msqid, void *msgp, long msgsz,
2082 PRE_SYSCALL(msgrcv)(long msqid, void *msgp, long msgsz, long msgtyp,
2085 POST_SYSCALL(msgrcv)(long res, long msqid, void *msgp, long msgsz, long msgtyp,
2088 if (msgp) POST_WRITE(msgp, res);
2092 #if !SANITIZER_ANDROID
2093 PRE_SYSCALL(msgctl)(long msqid, long cmd, void *buf) {}
2095 POST_SYSCALL(msgctl)(long res, long msqid, long cmd, void *buf) {
2097 if (buf) POST_WRITE(buf, struct_msqid_ds_sz);
2102 PRE_SYSCALL(semget)(long key, long nsems, long semflg) {}
2104 POST_SYSCALL(semget)(long res, long key, long nsems, long semflg) {}
2106 PRE_SYSCALL(semop)(long semid, void *sops, long nsops) {}
2108 POST_SYSCALL(semop)(long res, long semid, void *sops, long nsops) {}
2110 PRE_SYSCALL(semctl)(long semid, long semnum, long cmd, void *arg) {}
2112 POST_SYSCALL(semctl)(long res, long semid, long semnum, long cmd, void *arg) {}
2114 PRE_SYSCALL(semtimedop)(long semid, void *sops, long nsops,
2115 const void *timeout) {
2116 if (timeout) PRE_READ(timeout, struct_timespec_sz);
2119 POST_SYSCALL(semtimedop)(long res, long semid, void *sops, long nsops,
2120 const void *timeout) {}
2122 PRE_SYSCALL(shmat)(long shmid, void *shmaddr, long shmflg) {}
2124 POST_SYSCALL(shmat)(long res, long shmid, void *shmaddr, long shmflg) {
2128 __sanitizer::internal_strlen((const char *)shmaddr) + 1);
2132 PRE_SYSCALL(shmget)(long key, long size, long flag) {}
2134 POST_SYSCALL(shmget)(long res, long key, long size, long flag) {}
2136 PRE_SYSCALL(shmdt)(void *shmaddr) {}
2138 POST_SYSCALL(shmdt)(long res, void *shmaddr) {
2142 __sanitizer::internal_strlen((const char *)shmaddr) + 1);
2146 PRE_SYSCALL(ipc)(long call, long first, long second, long third, void *ptr,
2149 POST_SYSCALL(ipc)(long res, long call, long first, long second, long third,
2150 void *ptr, long fifth) {}
2152 #if !SANITIZER_ANDROID
2153 PRE_SYSCALL(shmctl)(long shmid, long cmd, void *buf) {}
2155 POST_SYSCALL(shmctl)(long res, long shmid, long cmd, void *buf) {
2157 if (buf) POST_WRITE(buf, sizeof(__sanitizer_shmid_ds));
2161 PRE_SYSCALL(mq_open)(const void *name, long oflag, long mode, void *attr) {
2163 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2166 POST_SYSCALL(mq_open)(long res, const void *name, long oflag, long mode,
2169 if (attr) POST_WRITE(attr, struct_mq_attr_sz);
2173 PRE_SYSCALL(mq_unlink)(const void *name) {
2175 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2178 POST_SYSCALL(mq_unlink)(long res, const void *name) {}
2180 PRE_SYSCALL(mq_timedsend)(long mqdes, const void *msg_ptr, long msg_len,
2181 long msg_prio, const void *abs_timeout) {
2182 if (msg_ptr) PRE_READ(msg_ptr, msg_len);
2183 if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz);
2186 POST_SYSCALL(mq_timedsend)(long res, long mqdes, const void *msg_ptr,
2187 long msg_len, long msg_prio,
2188 const void *abs_timeout) {}
2190 PRE_SYSCALL(mq_timedreceive)(long mqdes, void *msg_ptr, long msg_len,
2191 void *msg_prio, const void *abs_timeout) {
2192 if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz);
2195 POST_SYSCALL(mq_timedreceive)(long res, long mqdes, void *msg_ptr, long msg_len,
2196 int *msg_prio, const void *abs_timeout) {
2198 if (msg_ptr) POST_WRITE(msg_ptr, res);
2199 if (msg_prio) POST_WRITE(msg_prio, sizeof(*msg_prio));
2203 PRE_SYSCALL(mq_notify)(long mqdes, const void *notification) {
2204 if (notification) PRE_READ(notification, struct_sigevent_sz);
2207 POST_SYSCALL(mq_notify)(long res, long mqdes, const void *notification) {}
2209 PRE_SYSCALL(mq_getsetattr)(long mqdes, const void *mqstat, void *omqstat) {
2210 if (mqstat) PRE_READ(mqstat, struct_mq_attr_sz);
2213 POST_SYSCALL(mq_getsetattr)(long res, long mqdes, const void *mqstat,
2216 if (omqstat) POST_WRITE(omqstat, struct_mq_attr_sz);
2219 #endif // SANITIZER_ANDROID
2221 PRE_SYSCALL(pciconfig_iobase)(long which, long bus, long devfn) {}
2223 POST_SYSCALL(pciconfig_iobase)(long res, long which, long bus, long devfn) {}
2225 PRE_SYSCALL(pciconfig_read)(long bus, long dfn, long off, long len, void *buf) {
2228 POST_SYSCALL(pciconfig_read)(long res, long bus, long dfn, long off, long len,
2231 PRE_SYSCALL(pciconfig_write)(long bus, long dfn, long off, long len,
2234 POST_SYSCALL(pciconfig_write)(long res, long bus, long dfn, long off, long len,
2237 PRE_SYSCALL(swapon)(const void *specialfile, long swap_flags) {
2239 PRE_READ(specialfile,
2240 __sanitizer::internal_strlen((const char *)specialfile) + 1);
2243 POST_SYSCALL(swapon)(long res, const void *specialfile, long swap_flags) {}
2245 PRE_SYSCALL(swapoff)(const void *specialfile) {
2247 PRE_READ(specialfile,
2248 __sanitizer::internal_strlen((const char *)specialfile) + 1);
2251 POST_SYSCALL(swapoff)(long res, const void *specialfile) {}
2253 PRE_SYSCALL(sysctl)(__sanitizer___sysctl_args *args) {
2255 if (args->name) PRE_READ(args->name, args->nlen * sizeof(*args->name));
2256 if (args->newval) PRE_READ(args->name, args->newlen);
2260 POST_SYSCALL(sysctl)(long res, __sanitizer___sysctl_args *args) {
2262 if (args && args->oldval && args->oldlenp) {
2263 POST_WRITE(args->oldlenp, sizeof(*args->oldlenp));
2264 POST_WRITE(args->oldval, *args->oldlenp);
2269 PRE_SYSCALL(sysinfo)(void *info) {}
2271 POST_SYSCALL(sysinfo)(long res, void *info) {
2273 if (info) POST_WRITE(info, struct_sysinfo_sz);
2277 PRE_SYSCALL(sysfs)(long option, long arg1, long arg2) {}
2279 POST_SYSCALL(sysfs)(long res, long option, long arg1, long arg2) {}
2281 PRE_SYSCALL(syslog)(long type, void *buf, long len) {}
2283 POST_SYSCALL(syslog)(long res, long type, void *buf, long len) {
2286 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
2290 PRE_SYSCALL(uselib)(const void *library) {
2292 PRE_READ(library, __sanitizer::internal_strlen((const char *)library) + 1);
2295 POST_SYSCALL(uselib)(long res, const void *library) {}
2297 PRE_SYSCALL(ni_syscall)() {}
2299 POST_SYSCALL(ni_syscall)(long res) {}
2301 PRE_SYSCALL(ptrace)(long request, long pid, long addr, long data) {
2302 #if !SANITIZER_ANDROID && \
2303 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
2304 defined(__powerpc64__))
2306 if (request == ptrace_setregs) {
2307 PRE_READ((void *)data, struct_user_regs_struct_sz);
2308 } else if (request == ptrace_setfpregs) {
2309 PRE_READ((void *)data, struct_user_fpregs_struct_sz);
2310 } else if (request == ptrace_setfpxregs) {
2311 PRE_READ((void *)data, struct_user_fpxregs_struct_sz);
2312 } else if (request == ptrace_setsiginfo) {
2313 PRE_READ((void *)data, siginfo_t_sz);
2314 } else if (request == ptrace_setregset) {
2315 __sanitizer_iovec *iov = (__sanitizer_iovec *)data;
2316 PRE_READ(iov->iov_base, iov->iov_len);
2322 POST_SYSCALL(ptrace)(long res, long request, long pid, long addr, long data) {
2323 #if !SANITIZER_ANDROID && \
2324 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
2325 defined(__powerpc64__))
2326 if (res >= 0 && data) {
2327 // Note that this is different from the interceptor in
2328 // sanitizer_common_interceptors.inc.
2329 // PEEK* requests return resulting values through data pointer.
2330 if (request == ptrace_getregs) {
2331 POST_WRITE((void *)data, struct_user_regs_struct_sz);
2332 } else if (request == ptrace_getfpregs) {
2333 POST_WRITE((void *)data, struct_user_fpregs_struct_sz);
2334 } else if (request == ptrace_getfpxregs) {
2335 POST_WRITE((void *)data, struct_user_fpxregs_struct_sz);
2336 } else if (request == ptrace_getsiginfo) {
2337 POST_WRITE((void *)data, siginfo_t_sz);
2338 } else if (request == ptrace_getregset) {
2339 __sanitizer_iovec *iov = (__sanitizer_iovec *)data;
2340 POST_WRITE(iov->iov_base, iov->iov_len);
2341 } else if (request == ptrace_peekdata || request == ptrace_peektext ||
2342 request == ptrace_peekuser) {
2343 POST_WRITE((void *)data, sizeof(void *));
2349 PRE_SYSCALL(add_key)(const void *_type, const void *_description,
2350 const void *_payload, long plen, long destringid) {
2352 PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1);
2354 PRE_READ(_description,
2355 __sanitizer::internal_strlen((const char *)_description) + 1);
2358 POST_SYSCALL(add_key)(long res, const void *_type, const void *_description,
2359 const void *_payload, long plen, long destringid) {}
2361 PRE_SYSCALL(request_key)(const void *_type, const void *_description,
2362 const void *_callout_info, long destringid) {
2364 PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1);
2366 PRE_READ(_description,
2367 __sanitizer::internal_strlen((const char *)_description) + 1);
2369 PRE_READ(_callout_info,
2370 __sanitizer::internal_strlen((const char *)_callout_info) + 1);
2373 POST_SYSCALL(request_key)(long res, const void *_type, const void *_description,
2374 const void *_callout_info, long destringid) {}
2376 PRE_SYSCALL(keyctl)(long cmd, long arg2, long arg3, long arg4, long arg5) {}
2378 POST_SYSCALL(keyctl)(long res, long cmd, long arg2, long arg3, long arg4,
2381 PRE_SYSCALL(ioprio_set)(long which, long who, long ioprio) {}
2383 POST_SYSCALL(ioprio_set)(long res, long which, long who, long ioprio) {}
2385 PRE_SYSCALL(ioprio_get)(long which, long who) {}
2387 POST_SYSCALL(ioprio_get)(long res, long which, long who) {}
2389 PRE_SYSCALL(set_mempolicy)(long mode, void *nmask, long maxnode) {}
2391 POST_SYSCALL(set_mempolicy)(long res, long mode, void *nmask, long maxnode) {
2393 if (nmask) POST_WRITE(nmask, sizeof(long));
2397 PRE_SYSCALL(migrate_pages)(long pid, long maxnode, const void *from,
2399 if (from) PRE_READ(from, sizeof(long));
2400 if (to) PRE_READ(to, sizeof(long));
2403 POST_SYSCALL(migrate_pages)(long res, long pid, long maxnode, const void *from,
2406 PRE_SYSCALL(move_pages)(long pid, long nr_pages, const void **pages,
2407 const int *nodes, int *status, long flags) {
2408 if (pages) PRE_READ(pages, nr_pages * sizeof(*pages));
2409 if (nodes) PRE_READ(nodes, nr_pages * sizeof(*nodes));
2412 POST_SYSCALL(move_pages)(long res, long pid, long nr_pages, const void **pages,
2413 const int *nodes, int *status, long flags) {
2415 if (status) POST_WRITE(status, nr_pages * sizeof(*status));
2419 PRE_SYSCALL(mbind)(long start, long len, long mode, void *nmask, long maxnode,
2422 POST_SYSCALL(mbind)(long res, long start, long len, long mode, void *nmask,
2423 long maxnode, long flags) {
2425 if (nmask) POST_WRITE(nmask, sizeof(long));
2429 PRE_SYSCALL(get_mempolicy)(void *policy, void *nmask, long maxnode, long addr,
2432 POST_SYSCALL(get_mempolicy)(long res, void *policy, void *nmask, long maxnode,
2433 long addr, long flags) {
2435 if (policy) POST_WRITE(policy, sizeof(int));
2436 if (nmask) POST_WRITE(nmask, sizeof(long));
2440 PRE_SYSCALL(inotify_init)() {}
2442 POST_SYSCALL(inotify_init)(long res) {}
2444 PRE_SYSCALL(inotify_init1)(long flags) {}
2446 POST_SYSCALL(inotify_init1)(long res, long flags) {}
2448 PRE_SYSCALL(inotify_add_watch)(long fd, const void *path, long mask) {
2450 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
2453 POST_SYSCALL(inotify_add_watch)(long res, long fd, const void *path,
2456 PRE_SYSCALL(inotify_rm_watch)(long fd, long wd) {}
2458 POST_SYSCALL(inotify_rm_watch)(long res, long fd, long wd) {}
2460 PRE_SYSCALL(spu_run)(long fd, void *unpc, void *ustatus) {}
2462 POST_SYSCALL(spu_run)(long res, long fd, unsigned *unpc, unsigned *ustatus) {
2464 if (unpc) POST_WRITE(unpc, sizeof(*unpc));
2465 if (ustatus) POST_WRITE(ustatus, sizeof(*ustatus));
2469 PRE_SYSCALL(spu_create)(const void *name, long flags, long mode, long fd) {
2471 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2474 POST_SYSCALL(spu_create)(long res, const void *name, long flags, long mode,
2477 PRE_SYSCALL(mknodat)(long dfd, const void *filename, long mode, long dev) {
2480 __sanitizer::internal_strlen((const char *)filename) + 1);
2483 POST_SYSCALL(mknodat)(long res, long dfd, const void *filename, long mode,
2486 PRE_SYSCALL(mkdirat)(long dfd, const void *pathname, long mode) {
2489 __sanitizer::internal_strlen((const char *)pathname) + 1);
2492 POST_SYSCALL(mkdirat)(long res, long dfd, const void *pathname, long mode) {}
2494 PRE_SYSCALL(unlinkat)(long dfd, const void *pathname, long flag) {
2497 __sanitizer::internal_strlen((const char *)pathname) + 1);
2500 POST_SYSCALL(unlinkat)(long res, long dfd, const void *pathname, long flag) {}
2502 PRE_SYSCALL(symlinkat)(const void *oldname, long newdfd, const void *newname) {
2504 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2506 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2509 POST_SYSCALL(symlinkat)(long res, const void *oldname, long newdfd,
2510 const void *newname) {}
2512 PRE_SYSCALL(linkat)(long olddfd, const void *oldname, long newdfd,
2513 const void *newname, long flags) {
2515 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2517 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2520 POST_SYSCALL(linkat)(long res, long olddfd, const void *oldname, long newdfd,
2521 const void *newname, long flags) {}
2523 PRE_SYSCALL(renameat)(long olddfd, const void *oldname, long newdfd,
2524 const void *newname) {
2526 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2528 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2531 POST_SYSCALL(renameat)(long res, long olddfd, const void *oldname, long newdfd,
2532 const void *newname) {}
2534 PRE_SYSCALL(futimesat)(long dfd, const void *filename, void *utimes) {
2537 __sanitizer::internal_strlen((const char *)filename) + 1);
2540 POST_SYSCALL(futimesat)(long res, long dfd, const void *filename,
2543 if (utimes) POST_WRITE(utimes, timeval_sz);
2547 PRE_SYSCALL(faccessat)(long dfd, const void *filename, long mode) {
2550 __sanitizer::internal_strlen((const char *)filename) + 1);
2553 POST_SYSCALL(faccessat)(long res, long dfd, const void *filename, long mode) {}
2555 PRE_SYSCALL(fchmodat)(long dfd, const void *filename, long mode) {
2558 __sanitizer::internal_strlen((const char *)filename) + 1);
2561 POST_SYSCALL(fchmodat)(long res, long dfd, const void *filename, long mode) {}
2563 PRE_SYSCALL(fchownat)(long dfd, const void *filename, long user, long group,
2567 __sanitizer::internal_strlen((const char *)filename) + 1);
2570 POST_SYSCALL(fchownat)(long res, long dfd, const void *filename, long user,
2571 long group, long flag) {}
2573 PRE_SYSCALL(openat)(long dfd, const void *filename, long flags, long mode) {
2576 __sanitizer::internal_strlen((const char *)filename) + 1);
2579 POST_SYSCALL(openat)(long res, long dfd, const void *filename, long flags,
2582 PRE_SYSCALL(newfstatat)(long dfd, const void *filename, void *statbuf,
2586 __sanitizer::internal_strlen((const char *)filename) + 1);
2589 POST_SYSCALL(newfstatat)(long res, long dfd, const void *filename,
2590 void *statbuf, long flag) {
2592 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
2596 PRE_SYSCALL(fstatat64)(long dfd, const void *filename, void *statbuf,
2600 __sanitizer::internal_strlen((const char *)filename) + 1);
2603 POST_SYSCALL(fstatat64)(long res, long dfd, const void *filename, void *statbuf,
2606 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
2610 PRE_SYSCALL(readlinkat)(long dfd, const void *path, void *buf, long bufsiz) {
2612 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
2615 POST_SYSCALL(readlinkat)(long res, long dfd, const void *path, void *buf,
2619 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
2623 PRE_SYSCALL(utimensat)(long dfd, const void *filename, void *utimes,
2627 __sanitizer::internal_strlen((const char *)filename) + 1);
2630 POST_SYSCALL(utimensat)(long res, long dfd, const void *filename, void *utimes,
2633 if (utimes) POST_WRITE(utimes, struct_timespec_sz);
2637 PRE_SYSCALL(unshare)(long unshare_flags) {}
2639 POST_SYSCALL(unshare)(long res, long unshare_flags) {}
2641 PRE_SYSCALL(splice)(long fd_in, void *off_in, long fd_out, void *off_out,
2642 long len, long flags) {}
2644 POST_SYSCALL(splice)(long res, long fd_in, void *off_in, long fd_out,
2645 void *off_out, long len, long flags) {
2647 if (off_in) POST_WRITE(off_in, sizeof(long long));
2648 if (off_out) POST_WRITE(off_out, sizeof(long long));
2652 PRE_SYSCALL(vmsplice)(long fd, const __sanitizer_iovec *iov, long nr_segs,
2655 POST_SYSCALL(vmsplice)(long res, long fd, const __sanitizer_iovec *iov,
2656 long nr_segs, long flags) {
2658 if (iov) kernel_read_iovec(iov, nr_segs, res);
2662 PRE_SYSCALL(tee)(long fdin, long fdout, long len, long flags) {}
2664 POST_SYSCALL(tee)(long res, long fdin, long fdout, long len, long flags) {}
2666 PRE_SYSCALL(get_robust_list)(long pid, void *head_ptr, void *len_ptr) {}
2668 POST_SYSCALL(get_robust_list)(long res, long pid, void *head_ptr,
2671 PRE_SYSCALL(set_robust_list)(void *head, long len) {}
2673 POST_SYSCALL(set_robust_list)(long res, void *head, long len) {}
2675 PRE_SYSCALL(getcpu)(void *cpu, void *node, void *cache) {}
2677 POST_SYSCALL(getcpu)(long res, void *cpu, void *node, void *cache) {
2679 if (cpu) POST_WRITE(cpu, sizeof(unsigned));
2680 if (node) POST_WRITE(node, sizeof(unsigned));
2681 // The third argument to this system call is nowadays unused.
2685 PRE_SYSCALL(signalfd)(long ufd, void *user_mask, long sizemask) {}
2687 POST_SYSCALL(signalfd)(long res, long ufd, kernel_sigset_t *user_mask,
2690 if (user_mask) POST_WRITE(user_mask, sizemask);
2694 PRE_SYSCALL(signalfd4)(long ufd, void *user_mask, long sizemask, long flags) {}
2696 POST_SYSCALL(signalfd4)(long res, long ufd, kernel_sigset_t *user_mask,
2697 long sizemask, long flags) {
2699 if (user_mask) POST_WRITE(user_mask, sizemask);
2703 PRE_SYSCALL(timerfd_create)(long clockid, long flags) {}
2705 POST_SYSCALL(timerfd_create)(long res, long clockid, long flags) {}
2707 PRE_SYSCALL(timerfd_settime)(long ufd, long flags, const void *utmr,
2709 if (utmr) PRE_READ(utmr, struct_itimerspec_sz);
2712 POST_SYSCALL(timerfd_settime)(long res, long ufd, long flags, const void *utmr,
2715 if (otmr) POST_WRITE(otmr, struct_itimerspec_sz);
2719 PRE_SYSCALL(timerfd_gettime)(long ufd, void *otmr) {}
2721 POST_SYSCALL(timerfd_gettime)(long res, long ufd, void *otmr) {
2723 if (otmr) POST_WRITE(otmr, struct_itimerspec_sz);
2727 PRE_SYSCALL(eventfd)(long count) {}
2729 POST_SYSCALL(eventfd)(long res, long count) {}
2731 PRE_SYSCALL(eventfd2)(long count, long flags) {}
2733 POST_SYSCALL(eventfd2)(long res, long count, long flags) {}
2735 PRE_SYSCALL(old_readdir)(long arg0, void *arg1, long arg2) {}
2737 POST_SYSCALL(old_readdir)(long res, long arg0, void *arg1, long arg2) {
2738 // Missing definition of 'struct old_linux_dirent'.
2741 PRE_SYSCALL(pselect6)(long arg0, __sanitizer___kernel_fd_set *arg1,
2742 __sanitizer___kernel_fd_set *arg2,
2743 __sanitizer___kernel_fd_set *arg3, void *arg4,
2746 POST_SYSCALL(pselect6)(long res, long arg0, __sanitizer___kernel_fd_set *arg1,
2747 __sanitizer___kernel_fd_set *arg2,
2748 __sanitizer___kernel_fd_set *arg3, void *arg4,
2751 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
2752 if (arg2) POST_WRITE(arg2, sizeof(*arg2));
2753 if (arg3) POST_WRITE(arg3, sizeof(*arg3));
2754 if (arg4) POST_WRITE(arg4, struct_timespec_sz);
2758 PRE_SYSCALL(ppoll)(__sanitizer_pollfd *arg0, long arg1, void *arg2,
2759 const kernel_sigset_t *arg3, long arg4) {
2760 if (arg3) PRE_READ(arg3, arg4);
2763 POST_SYSCALL(ppoll)(long res, __sanitizer_pollfd *arg0, long arg1, void *arg2,
2764 const void *arg3, long arg4) {
2766 if (arg0) POST_WRITE(arg0, sizeof(*arg0));
2767 if (arg2) POST_WRITE(arg2, struct_timespec_sz);
2771 PRE_SYSCALL(syncfs)(long fd) {}
2773 POST_SYSCALL(syncfs)(long res, long fd) {}
2775 PRE_SYSCALL(perf_event_open)(__sanitizer_perf_event_attr *attr_uptr, long pid,
2776 long cpu, long group_fd, long flags) {
2777 if (attr_uptr) PRE_READ(attr_uptr, attr_uptr->size);
2780 POST_SYSCALL(perf_event_open)(long res, __sanitizer_perf_event_attr *attr_uptr,
2781 long pid, long cpu, long group_fd, long flags) {}
2783 PRE_SYSCALL(mmap_pgoff)(long addr, long len, long prot, long flags, long fd,
2786 POST_SYSCALL(mmap_pgoff)(long res, long addr, long len, long prot, long flags,
2787 long fd, long pgoff) {}
2789 PRE_SYSCALL(old_mmap)(void *arg) {}
2791 POST_SYSCALL(old_mmap)(long res, void *arg) {}
2793 PRE_SYSCALL(name_to_handle_at)(long dfd, const void *name, void *handle,
2794 void *mnt_id, long flag) {}
2796 POST_SYSCALL(name_to_handle_at)(long res, long dfd, const void *name,
2797 void *handle, void *mnt_id, long flag) {}
2799 PRE_SYSCALL(open_by_handle_at)(long mountdirfd, void *handle, long flags) {}
2801 POST_SYSCALL(open_by_handle_at)(long res, long mountdirfd, void *handle,
2804 PRE_SYSCALL(setns)(long fd, long nstype) {}
2806 POST_SYSCALL(setns)(long res, long fd, long nstype) {}
2808 PRE_SYSCALL(process_vm_readv)(long pid, const __sanitizer_iovec *lvec,
2809 long liovcnt, const void *rvec, long riovcnt,
2812 POST_SYSCALL(process_vm_readv)(long res, long pid,
2813 const __sanitizer_iovec *lvec, long liovcnt,
2814 const void *rvec, long riovcnt, long flags) {
2816 if (lvec) kernel_write_iovec(lvec, liovcnt, res);
2820 PRE_SYSCALL(process_vm_writev)(long pid, const __sanitizer_iovec *lvec,
2821 long liovcnt, const void *rvec, long riovcnt,
2824 POST_SYSCALL(process_vm_writev)(long res, long pid,
2825 const __sanitizer_iovec *lvec, long liovcnt,
2826 const void *rvec, long riovcnt, long flags) {
2828 if (lvec) kernel_read_iovec(lvec, liovcnt, res);
2832 PRE_SYSCALL(fork)() {
2833 COMMON_SYSCALL_PRE_FORK();
2836 POST_SYSCALL(fork)(long res) {
2837 COMMON_SYSCALL_POST_FORK(res);
2840 PRE_SYSCALL(vfork)() {
2841 COMMON_SYSCALL_PRE_FORK();
2844 POST_SYSCALL(vfork)(long res) {
2845 COMMON_SYSCALL_POST_FORK(res);
2856 #endif // SANITIZER_LINUX