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=1568abf4a80000
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=1768abf4a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1368abf4a80000
kernel config: https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297
dashboard link: https://syzkaller.appspot.com/bug?extid=bdcf141f362ef83335cf
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bf2bf4a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12741e9aa80000
Reported-by: syzbot+bdcf141f362ef83335cf@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
