diff options
| author | Firo Yang <firogm@gmail.com> | 2017-05-26 22:37:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-13 19:50:14 +0200 |
| commit | b32436defcd0a531677700b93a3174619eb3f1e8 (patch) | |
| tree | 0c5a11ad9bed7376b473c3031d542cccf97a77dd /tools/perf/scripts/python | |
| parent | 65bd5b002cb4b46cbc066891cd1f9eacae363157 (diff) | |
hdlcdrv: Fix divide by zero in hdlcdrv_ioctl
[ Upstream commit fb3ce90b7d7761b6f7f28f0ff5c456ef6b5229a1 ]
syszkaller fuzzer triggered a divide by zero, when set calibration
through ioctl().
To fix it, test 'bitrate' if it is negative or 0, just return -EINVAL.
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions