Re: [syzbot] WARNING in bpf_prog_test_run_xdp

From: syzbot
Date: Thu Feb 03 2022 - 01:15:25 EST


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