syzbot has bisected this issue to: commit 1c194998252469cad00a08bd9ef0b99fd255c260 Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Date: Fri Jan 21 10:09:58 2022 +0000 bpf: introduce frags support to bpf_prog_test_run_xdp() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16d81634700000 start commit: 000fe940e51f sfc: The size of the RX recycle ring should b.. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15d81634700000 console output: https://syzkaller.appspot.com/x/log.txt?x=11d81634700000 kernel config: https://syzkaller.appspot.com/x/.config?x=e029d3b2ccd4c91a dashboard link: https://syzkaller.appspot.com/bug?extid=79fd1ab62b382be6f337 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a719cc700000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15851cec700000 Reported-by: syzbot+79fd1ab62b382be6f337@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 1c1949982524 ("bpf: introduce frags support to bpf_prog_test_run_xdp()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection