Re: [syzbot] [nfc?] possible deadlock in nci_start_poll

From: syzbot
Date: Sat Mar 25 2023 - 20:46:32 EST


syzbot suspects this issue was fixed by commit:

commit b2e44aac91b25abbed57d785089c4b7af926a7bd
Author: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Date: Tue Nov 15 10:00:17 2022 +0000

NFC: nci: Allow to create multiple virtual nci devices

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=117e50c1c80000
start commit: 0b1dcc2cf55a Merge tag 'mm-hotfixes-stable-2022-11-24' of ..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=436ee340148d5197
dashboard link: https://syzkaller.appspot.com/bug?extid=f1f36887d202cea1446d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=125fa5c5880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12508d3d880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: NFC: nci: Allow to create multiple virtual nci devices

For information about bisection process see: https://goo.gl/tpsmEJ#bisection