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| author | Mikulas Patocka <mpatocka@redhat.com> | 2023-04-18 15:57:47 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-11 23:17:37 +0900 |
| commit | 8258d84a7917aeece773716518deadb7ad776cb7 (patch) | |
| tree | 70cb3a9081bd4960ac8444b03d4f7a38f0c3ea9f /lib/debugobjects.c | |
| parent | e09a592fdd6c716506774bdbebb5f6c537b47767 (diff) | |
dm flakey: fix a crash with invalid table line
commit 98dba02d9a93eec11bffbb93c7c51624290702d2 upstream.
This command will crash with NULL pointer dereference:
dmsetup create flakey --table \
"0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512"
Fix the crash by checking if arg_name is non-NULL before comparing it.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions