Re: [syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4)

From: syzbot

Date: Sat Jun 06 2026 - 11:10:10 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
lost connection to test machine



Tested on:

commit: 5a40f3f6 KVM: x86: hyper-v: Clamp stimer deadline to a..
git tree: https://github.com/00xc/linux.git kvm/x86/hyperv-stimer-overflow
console output: https://syzkaller.appspot.com/x/log.txt?x=10354f2e580000
kernel config: https://syzkaller.appspot.com/x/.config?x=975c59d5c8924004
dashboard link: https://syzkaller.appspot.com/bug?extid=3d5461510f8dc4adfe30
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8

Note: no patches were applied.