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nfc: nci: Fix kcov check in nci_rx_work()

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[ Upstream commit 19e35f24750ddf860c51e51c68cf07ea181b4881 ]

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 <[email protected]>
Closes: https://syzkaller.appspot.com/bug?extid=0438378d6f157baae1a2
Fixes: d24b03535e5e ("nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet")
Suggested-by: Andrey Konovalov <[email protected]>
Signed-off-by: Tetsuo Handa <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Stable-dep-of: 6671e352497c ("nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()")
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Tetsuo Handa 2024-05-05 19:36:49 +09:00 • committed by Greg Kroah-Hartman
commit db58c41b51
1 changed files with 1 additions and 0 deletions
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1
net/nfc/nci/core.c
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@ -1514,6 +1514,7 @@ static void nci_rx_work(struct work_struct *work)
if (!nci_valid_size(skb)) {
kfree_skb(skb);
kcov_remote_stop();
break;
}