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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-10-31 18:00:10 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-20 15:48:53 (GMT) |
| commit | f5e6d588f847fba87394926284cc4a7a3b79c6bf (patch) | |
| tree | 7c8b63a714f8b0ab7f92d0519a51db86104b55b6 /kernel/kcmp.c | |
| parent | 7b115360756c00867dfeb633daaf092c0a3996ba (diff) | |
| download | linux-fsl-qoriq-f5e6d588f847fba87394926284cc4a7a3b79c6bf.tar.xz | |
xfs: underflow bug in xfs_attrlist_by_handle()
commit 31978b5cc66b8ba8a7e8eef60b12395d41b7b890 upstream.
If we allocate less than sizeof(struct attrlist) then we end up
corrupting memory or doing a ZERO_PTR_SIZE dereference.
This can only be triggered with CAP_SYS_ADMIN.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/kcmp.c')
0 files changed, 0 insertions, 0 deletions