Messages in this thread | | | Date | Wed, 27 Mar 2024 12:53:35 -0600 | Subject | Re: [PATCH v2][next] wifi: wil6210: Annotate a couple of structs with __counted_by() | From | "Gustavo A. R. Silva" <> |
| |
Hi all,
Please, drop this.
The following patches replaces it:
https://lore.kernel.org/linux-hardening/ZgRqjGShTl3y5FFB@neat/
Thanks -- Gustavo
On 3/27/24 11:43, Gustavo A. R. Silva wrote: > 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 via CONFIG_UBSAN_BOUNDS (for > array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > --- > Changes in v2: > - Annotate one more struct. > - Update Subject line. > > v1: > - Link: https://lore.kernel.org/linux-hardening/ZgODZOB4fOBvKl7R@neat/ > > drivers/net/wireless/ath/wil6210/wmi.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h > index 71bf2ae27a98..38f64524019e 100644 > --- a/drivers/net/wireless/ath/wil6210/wmi.h > +++ b/drivers/net/wireless/ath/wil6210/wmi.h > @@ -474,7 +474,7 @@ struct wmi_start_scan_cmd { > struct { > u8 channel; > u8 reserved; > - } channel_list[]; > + } channel_list[] __counted_by(num_channels); > } __packed; > > #define WMI_MAX_PNO_SSID_NUM (16) > @@ -3320,7 +3320,7 @@ struct wmi_set_link_monitor_cmd { > u8 rssi_hyst; > u8 reserved[12]; > u8 rssi_thresholds_list_size; > - s8 rssi_thresholds_list[]; > + s8 rssi_thresholds_list[] __counted_by(rssi_thresholds_list_size); > } __packed; > > /* wmi_link_monitor_event_type */
| |