Re: [PATCH] nfc: nci: Fix kcov check in nci_rx_work()

[Krzysztof Kozlowski]

On 05/05/2024 12:36, Tetsuo Handa wrote:
> Commit 7e8cdc97148c ("nfc: Add KCOV annotations") added
> kcov_remote_start_common()/kcov_remote_stop() pair into nci_rx_work(),
> with an assumption that kcov_remote_stop() is called upon continue of
> the for loop. But commit d24b03535e5e ("nfc: nci: Fix uninit-value in
> nci_dev_up and nci_ntf_packet") forgot to call kcov_remote_stop() before
> break of the for loop.
> 
> Reported-by: syzbot <syzbot+0438378d6f157baae1a2@xxxxxxxxxxxxxxxxxxxxxxxxx>
> Closes: https://syzkaller.appspot.com/bug?extid=0438378d6f157baae1a2
> Fixes: d24b03535e5e ("nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet")
> Debugged-by: Andrey Konovalov <andreyknvl@xxxxxxxxx>
> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof