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| author | Candice Li <candice.li@amd.com> | 2024-08-15 06:37:28 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-21 05:14:13 +0300 |
| commit | c0a04e3570d72aaf090962156ad085e37c62e442 (patch) | |
| tree | e5e67ace6d62c43a0489a6e2be353919a56a30c5 | |
| parent | eb067d65c33eecd4b81771384183ad42eec259bf (diff) | |
| download | linux-c0a04e3570d72aaf090962156ad085e37c62e442.tar.xz | |
drm/amdgpu: Validate TA binary size
Add TA binary size validation to avoid OOB write.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c index 0c856005df6b..38face981c3e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c @@ -166,6 +166,9 @@ static ssize_t ta_if_load_debugfs_write(struct file *fp, const char *buf, size_t if (ret) return -EFAULT; + if (ta_bin_len > PSP_1_MEG) + return -EINVAL; + copy_pos += sizeof(uint32_t); ta_bin = kzalloc(ta_bin_len, GFP_KERNEL); |