Re: [syzbot] [bpf?] WARNING in maybe_exit_scc

From: syzbot
Date: Tue Sep 16 2025 - 06:20:14 EST


syzbot has bisected this issue to:

commit d6f1c85f22534d2d9fea9b32645da19c91ebe7d2
Author: Luis Gerhorst <luis.gerhorst@xxxxxx>
Date: Tue Jun 3 21:24:28 2025 +0000

bpf: Fall back to nospec for Spectre v1

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17753762580000
start commit: f83ec76bf285 Linux 6.17-rc6
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=14f53762580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10f53762580000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f01d8629880e620
dashboard link: https://syzkaller.appspot.com/bug?extid=3afc814e8df1af64b653
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104a947c580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14467b62580000

Reported-by: syzbot+3afc814e8df1af64b653@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: d6f1c85f2253 ("bpf: Fall back to nospec for Spectre v1")

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