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List:       linux-kernel
Subject:    [git pull] vfs fix
From:       Al Viro <viro () ZenIV ! linux ! org ! uk>
Date:       2015-05-31 21:37:25
Message-ID: 20150531213725.GI7232 () ZenIV ! linux ! org ! uk
[Download RAW message or body]

Off-by-one in d_walk()/__dentry_kill() race fix.  It's very hard to hit;
possible in the same conditions as the original bug, except that you
need the skipped branch to contain all the remaining evictables, so that
the d_walk()-calling loop in d_invalidate() decides there's nothing more
to do and doesn't go for another pass - otherwise that next pass will
sweep the sucker.  So it's not too urgent, but seeing that the fix is obvious
and the original commit has spread into all -stable branches...
Please, pull from

git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-linus

Shortlog:
Al Viro (1):
      d_walk() might skip too much

Diffstat:
 fs/dcache.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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