* [PATCH] Bluetooth: Annotate struct hci_drv_rp_read_info with __counted_by_le()
@ 2025-08-10 21:53 Thorsten Blum
2025-08-11 16:16 ` patchwork-bot+bluetooth
0 siblings, 1 reply; 2+ messages in thread
From: Thorsten Blum @ 2025-08-10 21:53 UTC (permalink / raw)
To: Marcel Holtmann, Johan Hedberg, Luiz Augusto von Dentz,
David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
Simon Horman, Kees Cook, Gustavo A. R. Silva
Cc: Thorsten Blum, linux-bluetooth, netdev, linux-kernel,
linux-hardening
Add the __counted_by_le() compiler attribute to the flexible array
member 'supported_commands' to improve access bounds-checking via
CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
include/net/bluetooth/hci_drv.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/bluetooth/hci_drv.h b/include/net/bluetooth/hci_drv.h
index 2f01c44f05ec..3fd6fdbdb02e 100644
--- a/include/net/bluetooth/hci_drv.h
+++ b/include/net/bluetooth/hci_drv.h
@@ -47,7 +47,7 @@ struct hci_drv_ev_cmd_complete {
struct hci_drv_rp_read_info {
__u8 driver_name[HCI_DRV_MAX_DRIVER_NAME_LENGTH];
__le16 num_supported_commands;
- __le16 supported_commands[];
+ __le16 supported_commands[] __counted_by_le(num_supported_commands);
} __packed;
/* Driver specific OGF (Opcode Group Field)
--
2.50.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Bluetooth: Annotate struct hci_drv_rp_read_info with __counted_by_le()
2025-08-10 21:53 [PATCH] Bluetooth: Annotate struct hci_drv_rp_read_info with __counted_by_le() Thorsten Blum
@ 2025-08-11 16:16 ` patchwork-bot+bluetooth
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+bluetooth @ 2025-08-11 16:16 UTC (permalink / raw)
To: Thorsten Blum
Cc: marcel, johan.hedberg, luiz.dentz, davem, edumazet, kuba, pabeni,
horms, kees, gustavoars, linux-bluetooth, netdev, linux-kernel,
linux-hardening
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Sun, 10 Aug 2025 23:53:20 +0200 you wrote:
> Add the __counted_by_le() compiler attribute to the flexible array
> member 'supported_commands' to improve access bounds-checking via
> CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE.
>
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
> include/net/bluetooth/hci_drv.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Here is the summary with links:
- Bluetooth: Annotate struct hci_drv_rp_read_info with __counted_by_le()
https://git.kernel.org/bluetooth/bluetooth-next/c/af4ae40b525d
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
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2025-08-10 21:53 [PATCH] Bluetooth: Annotate struct hci_drv_rp_read_info with __counted_by_le() Thorsten Blum
2025-08-11 16:16 ` patchwork-bot+bluetooth
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