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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-08-26 15:58:40 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-08-26 15:58:40 +1000 |
| commit | ed150e1a5cf20c04cf0b2d2c34e498fc1d6519be (patch) | |
| tree | 867b5a19de18ad47ece6325be6ce8c6f986aaafd /fs/xfs/xfs_super.c | |
| parent | 32438cf9d54bd53b531f6d98814e84dd278360c1 (diff) | |
| download | linux-ed150e1a5cf20c04cf0b2d2c34e498fc1d6519be.tar.gz linux-ed150e1a5cf20c04cf0b2d2c34e498fc1d6519be.tar.bz2 linux-ed150e1a5cf20c04cf0b2d2c34e498fc1d6519be.zip | |
xfs: don't perform lookups on zero-height btrees
If the caller passes in a cursor to a zero-height btree (which is
impossible), we never set block to anything but NULL, which causes the
later dereference of it to crash. Instead, just return -EFSCORRUPTED.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_super.c')
0 files changed, 0 insertions, 0 deletions