diff options
| author | Dan Carpenter <dan.carpenter@linaro.org> | 2025-06-25 13:57:52 -0500 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-06-26 20:46:13 +0200 |
| commit | 80744a3bed8ce65071ca6e970a5f8b7c12213d3d (patch) | |
| tree | aebdd9a6a05c7b0ae0344354fc909f841104dd96 /rust/helpers/helpers.c | |
| parent | 8b148a97931db247771c43a0b5abdc31936c35f0 (diff) | |
ACPI: APEI: EINJ: prevent memory corruption in error_type_set()
The "einj_buf" buffer is 32 chars. If "count" is larger than that it
results in memory corruption. Cap it at 31 so that we leave the last
character as a NUL terminator. By the way, the highest reasonable value
for "count" is 24.
Fixes: 0c6176e1e186 ("ACPI: APEI: EINJ: Enable the discovery of EINJv2 capabilities")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://patch.msgid.link/ae6286cf-4d73-4b97-8c0f-0782a65b8f51@sabinyo.mountain
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'rust/helpers/helpers.c')
0 files changed, 0 insertions, 0 deletions