On Sun, 29 Jul 2001 22:18:51 +0200, Sheldon Hearn wrote:
> (kgdb) frame 11
> #11 0xc01b806f in witness_destroy (lock=0xc1366d18)
> at /usr/src/sys/kern/subr_witness.c:395
> 395 STAILQ_REMOVE(&all_locks, lock, lock_object, lo_list);
I got a little help from some folks on IRC who helped me with a
disassembly that confirms a null pointer dereference in the
STAILQ_REMOVE().
So I started walking all_locks. It's a boring process. Isn't there a
faster way to find out whether lock's address is the value of an
lo_list->stqe_next member of any entry in all_locks before the
list-terminating NULL?
Ciao,
Sheldon.
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