diff options
| author | Lizhi Hou <lizhi.hou@amd.com> | 2025-09-09 08:45:31 -0700 |
|---|---|---|
| committer | Lizhi Hou <lizhi.hou@amd.com> | 2025-09-11 11:31:24 -0700 |
| commit | 9e16c8bf9aebf629344cfd4cd5e3dc7d8c3f7d82 (patch) | |
| tree | a840ac1f3b3583439354412b7a8d819a86cdecc0 /scripts/generate_rust_target.rs | |
| parent | b4505b6ad9444c8c517240c74f8b9cbbba94a86b (diff) | |
accel/amdxdna: Fix an integer overflow in aie2_query_ctx_status_array()
The unpublished smatch static checker reported a warning.
drivers/accel/amdxdna/aie2_pci.c:904 aie2_query_ctx_status_array()
warn: potential user controlled sizeof overflow
'args->num_element * args->element_size' '1-u32max(user) * 1-u32max(user)'
Even this will not cause a real issue, it is better to put a reasonable
limitation for element_size and num_element. Add condition to make sure
the input element_size <= 4K and num_element <= 1K.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/dri-devel/aL56ZCLyl3tLQM1e@stanley.mountain/
Fixes: 2f509fe6a42c ("accel/amdxdna: Add ioctl DRM_IOCTL_AMDXDNA_GET_ARRAY")
Reviewed-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://lore.kernel.org/r/20250909154531.3469979-1-lizhi.hou@amd.com
Diffstat (limited to 'scripts/generate_rust_target.rs')
0 files changed, 0 insertions, 0 deletions