diff options
| author | Demi Marie Obenour <demi@invisiblethingslab.com> | 2023-06-03 10:52:40 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2023-06-23 10:31:51 -0400 |
| commit | 13f4a697f8b4feb705569f9336127e9e2f9ac596 (patch) | |
| tree | b06d5d26f3bafba66b50edbc6cd5cf99aa145dd7 /lib/test-string_helpers.c | |
| parent | b60528d9e68113e2c297c3a45102332cb1d3e608 (diff) | |
dm ioctl: Avoid pointer arithmetic overflow
Especially on 32-bit systems, it is possible for the pointer
arithmetic to overflow and cause a userspace pointer to be
dereferenced in the kernel.
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions