The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=e228961d6e3b4a22a3684dc4f688cc3cd3cdff09
commit e228961d6e3b4a22a3684dc4f688cc3cd3cdff09 Author: Konstantin Belousov <[email protected]> AuthorDate: 2024-08-10 08:12:42 +0000 Commit: Konstantin Belousov <[email protected]> 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
