Messages in this thread | | | From | "Huang\, Ying" <> | Subject | Re: [LKP] [lkp] [parallel lookups machinery, part 2] 96352435af: kernel BUG at mm/slab.c:2599! | Date | Mon, 18 Apr 2016 10:08:37 +0800 |
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Al Viro <viro@ZenIV.linux.org.uk> writes:
> On Mon, Apr 18, 2016 at 09:06:35AM +0800, kernel test robot wrote: >> FYI, we noticed the below changes on >> >> https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git testing.lookups >> commit 96352435afd792d713ec91e2d5693bdcf40a6b03 ("parallel lookups machinery, part 2") > > Very odd. All stores in that commit are to ->d_parent->d_inode->i_dir_seq > of in-lookup dentries. And if ->d_parent in those gets buggered, we were > really deep in trouble. Could you try to reproduce that without __d_move() > or __d_add() parts and see which one ends up triggering that crap?
Could you provide a debug branch in your tree for that?
Best Regards, Huang, Ying
> Note that we don't *use* ->i_dir_seq yet... > _______________________________________________ > LKP mailing list > LKP@lists.01.org > https://lists.01.org/mailman/listinfo/lkp
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