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(parent: 229eff2) | patch
stge: fix null pointer dereference
authorTong Zhang <ztong0001@gmail.com>
Thu, 31 Mar 2022 18:16:55 +0000 (14:16 -0400)
committerMark Johnston <markj@FreeBSD.org>
Thu, 7 Apr 2022 00:30:45 +0000 (20:30 -0400)
commit110b8112e5ebf2ba0f00479da1b7eafa83684d2e
treeb6ad9ad548f0279640c5f00d8ddfb78beef2bc0ftree | snapshot
parent229eff21b725fbfac04ff2c2d3fea9ecd1391bedcommit | diff
stge: fix null pointer dereference

stge_attach() could fail at line 464, sc->sc_spec remains NULL when
calling stge_detach(), thus bus_release_resources() at line 704 will
trigger null pointer dereference. We need to check the nulliness before
calling bus_release_resources().

PR: 258420
Reviewed by: markj

(cherry picked from commit 2108cc72906f274f30306570268434c4f8d23636)
sys/dev/stge/if_stge.c diff | blob | history
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