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| author | Kees Cook <keescook@chromium.org> | 2023-09-22 20:54:17 +0300 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2023-09-29 02:39:08 +0300 |
| commit | 5e6a1c803f10afec6f7bf349536ce13f60b4a108 (patch) | |
| tree | 12d7271bcffc89cf13831987ec18cfd8fcbdde0c /drivers/accel/ivpu | |
| parent | 921f15fe8c8cf9543665bdc556e080a5ecbc34b3 (diff) | |
| download | linux-5e6a1c803f10afec6f7bf349536ce13f60b4a108.tar.xz | |
accel/ivpu: Annotate struct ivpu_job with __counted_by
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct ivpu_job.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Cc: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Tom Rix <trix@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: llvm@lists.linux.dev
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://lore.kernel.org/r/20230922175416.work.272-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'drivers/accel/ivpu')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_job.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/accel/ivpu/ivpu_job.h b/drivers/accel/ivpu/ivpu_job.h index aa1f0b9479b0..5514c2d8a609 100644 --- a/drivers/accel/ivpu/ivpu_job.h +++ b/drivers/accel/ivpu/ivpu_job.h @@ -51,7 +51,7 @@ struct ivpu_job { u32 job_id; u32 engine_idx; size_t bo_count; - struct ivpu_bo *bos[]; + struct ivpu_bo *bos[] __counted_by(bo_count); }; int ivpu_submit_ioctl(struct drm_device *dev, void *data, struct drm_file *file); |