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MFC r332034: linux_ioctl_hdio: fix kernel memory disclosure
authoremaste <emaste@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 5 Apr 2018 12:50:47 +0000 (12:50 +0000)
committeremaste <emaste@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 5 Apr 2018 12:50:47 +0000 (12:50 +0000)
commit230c18c02fe1ba4aa3b09545611c0ef7c5a56693
tree7cac3743fae09c9598cc91090cdf2c2bee22fea5tree | snapshot
parent90fc1a2711fa2835fbd1d50b5a166aa365f1c8b3commit | diff
MFC r332034: linux_ioctl_hdio: fix kernel memory disclosure

Stack-allocated struct linux_hd_big_geometry has undeclared padding
copied to userland.

admbugs: 765
Reported by: Vlad Tsyrklevich
Security: Kernel memory disclosure
Sponsored by: The FreeBSD Foundation

git-svn-id: svn://svn.freebsd.org/base/stable/10@332063 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/compat/linux/linux_ioctl.c diff | blob | history
10-STABLE