Date: Wed, 21 Aug 2024 15:21:42 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e228961d6e3b - main - rangelock_destoy(): poison lock->head to trip fault on lock attempt Message-ID: <202408211521.47LFLgW9067196@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=e228961d6e3b4a22a3684dc4f688cc3cd3cdff09 commit e228961d6e3b4a22a3684dc4f688cc3cd3cdff09 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-08-10 08:12:42 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-08-21 15:18:56 +0000 rangelock_destoy(): poison lock->head to trip fault on lock attempt Tested by: markj, pho Sponsored by: The FreeBSD Foundation --- sys/kern/kern_rangelock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/kern/kern_rangelock.c b/sys/kern/kern_rangelock.c index c01ed05e4a6a..992a19701611 100644 --- a/sys/kern/kern_rangelock.c +++ b/sys/kern/kern_rangelock.c @@ -344,6 +344,7 @@ rangelock_destroy(struct rangelock *lock) MPASS(!lock->sleepers); if (!rangelock_cheat_destroy(lock)) rangelock_noncheating_destroy(lock); + DEBUG_POISON_POINTER(*(void **)&lock->head); } static bool
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