[dm-devel] dm snapshot: fix freeing pending exception
Milan Broz
mbroz at redhat.com
Tue Dec 5 15:11:18 UTC 2006
Fix oops when removing full snapshot
kernel bugzilla bug 7040
If a snapshot became invalid (full) while there is outstanding
pending_exception, pending_complete() forgets to remove
the corresponding exception from its exception table before freeing it.
Already fixed in 2.6.19.
Signed-off-by: Milan Broz <mbroz at redhat.com>
Signed-off-by: Chris Wright <chrisw at sous-sol.org>
---
drivers/md/dm-snap.c | 1 +
1 file changed, 1 insertion(+)
--- linux-2.6.18.5.orig/drivers/md/dm-snap.c
+++ linux-2.6.18.5/drivers/md/dm-snap.c
@@ -691,6 +691,7 @@ static void pending_complete(struct pend
free_exception(e);
+ remove_exception(&pe->e);
error_snapshot_bios(pe);
goto out;
}
Patches currently in stable-queue which might be from mbroz at redhat.com are
queue-2.6.18/dm-snapshot-fix-freeing-pending-exception.patch
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