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git.baikalelectronics.ru Git - kernel.git/commit
xfs: fix NULL pointer dereference in xfs_filestream_lookup_ag()
If xfs_filestream_get_parent() fails, we have a null pip,
goto out, and attempt to IRELE(NULL). This causes a null
pointer dereference and BUG().
Fix this by directly returning NULLAGNUMBER in this case.
Reported-by: Adrien Nader <adrien@notk.org>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>