xfs: fix a null pointer dereference in xfs_bmap_extents_to_btree

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Fuzzing tool reports a write to null pointer error in the
xfs_bmap_extents_to_btree, fix it by bailing out on encountering
a null pointer.

Signed-off-by: Shan Hai <shan.hai@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Shan Hai 2018-08-10 17:55:55 -07:00 • committed by Darrick J. Wong

parent fa6c668d80

commit 01239d77b9

1 changed files with 16 additions and 8 deletions

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fs/xfs/libxfs/xfs_bmap.c

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