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charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot has bisected this issue to: commit ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c Author: Michel D=C3=A4nzer Date: Fri Jul 23 07:58:57 2021 +0000 dma-buf/poll: Get a file reference for outstanding fence callbacks bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D17c1007c9800= 00 start commit: 5eb4573ea63d Merge tag 'soc-fixes-6.9-2' of git://git.kern.= . git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=3D1421007c9800= 00 console output: https://syzkaller.appspot.com/x/log.txt?x=3D1021007c980000 kernel config: https://syzkaller.appspot.com/x/.config?x=3D9d985095f83428b= e dashboard link: https://syzkaller.appspot.com/bug?extid=3D5d4cb6b4409edfd18= 646 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D11a13cf898000= 0 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D15c4d2f8980000 Reported-by: syzbot+5d4cb6b4409edfd18646@syzkaller.appspotmail.com Fixes: ff2d23843f7f ("dma-buf/poll: Get a file reference for outstanding fe= nce callbacks") For information about bisection process see: https://goo.gl/tpsmEJ#bisectio= n