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munge the debug_lock signature before freeing it: it might help us catch use-after-free

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This commit is contained in:
Nick Mathewson 2011-03-07 23:18:07 -05:00
parent b4a29c0a0f
commit f28084ddda
1 changed files with 1 additions and 0 deletions
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evthread.c
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@ -156,6 +156,7 @@ debug_lock_free(void *lock_, unsigned locktype)
} }
lock->lock = NULL; lock->lock = NULL;
lock->count = -100; lock->count = -100;
lock->signature = 0x12300fda;
mm_free(lock); mm_free(lock);
} }