* Re: [PATCH] wifi: ath10k: add extra output check in ath10k_wmi_event_debug_print()
[not found] <20250110115024.1497597-1-dmantipov@yandex.ru>
@ 2025-01-10 12:28 ` Kalle Valo
0 siblings, 0 replies; only message in thread
From: Kalle Valo @ 2025-01-10 12:28 UTC (permalink / raw)
To: Dmitry Antipov
Cc: Jeff Johnson, linux-wireless, lvc-project, Fedor Pchelkin, ath10k
Dmitry Antipov <dmantipov@yandex.ru> writes:
> In 'ath10k_wmi_event_debug_print()', passing skb of the very weird
> layout may produce debug output of the zero length. In such a case,
> 'if (skb->data[i - 1] == '\n')' will trigger an access beyond skb data
> boundaries. So fix this by adding an extra check whether at least one
> byte of the debug output was really emitted. Compile tested only.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Suggested-by: Fedor Pchelkin <pchelkin@ispras.ru>
> Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Adding ath10k list.
--
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[not found] <20250110115024.1497597-1-dmantipov@yandex.ru>
2025-01-10 12:28 ` [PATCH] wifi: ath10k: add extra output check in ath10k_wmi_event_debug_print() Kalle Valo
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