Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx_uninstall

From: syzbot
Date: Mon Jul 24 2023 - 05:13:37 EST


syzbot has bisected this issue to:

commit e420bed025071a623d2720a92bc2245c84757ecb
Author: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Date: Wed Jul 19 14:08:52 2023 +0000

bpf: Add fd-based tcx multi-prog infra with link support

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c60c6aa80000
start commit: 03b123debcbc tcp: tcp_enter_quickack_mode() should be static
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=16c60c6aa80000
console output: https://syzkaller.appspot.com/x/log.txt?x=12c60c6aa80000
kernel config: https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297
dashboard link: https://syzkaller.appspot.com/bug?extid=14736e249bce46091c18
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=133f36c6a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a8e73aa80000

Reported-by: syzbot+14736e249bce46091c18@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")

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