diff options
| author | Kees Cook <[email protected]> | 2023-09-15 13:06:27 -0700 |
|---|---|---|
| committer | Kalle Valo <[email protected]> | 2023-09-21 11:09:31 +0300 |
| commit | f8cbbb224b11c142c6621bd195a59103d119ee3c (patch) | |
| tree | ee26dd8dfa87b04f5123eb4286d4f8930ff25911 | |
| parent | e5e8b38f0c05a3d0edba76bdee00e753067f4281 (diff) | |
wifi: wcn36xx: Annotate struct wcn36xx_hal_ind_msg 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 wcn36xx_hal_ind_msg.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Loic Poulain <[email protected]>
Cc: Kalle Valo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Gustavo A. R. Silva <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/smd.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h index cf15cde2a364..2c1ed9e570bf 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.h +++ b/drivers/net/wireless/ath/wcn36xx/smd.h @@ -47,7 +47,7 @@ struct wcn36xx_fw_msg_status_rsp { struct wcn36xx_hal_ind_msg { struct list_head list; size_t msg_len; - u8 msg[]; + u8 msg[] __counted_by(msg_len); }; struct wcn36xx; |