Re: [syzbot] [kvm-x86?] KASAN: use-after-free Read in kvm_setup_guest_pvclock

From: syzbot

Date: Mon Jul 20 2026 - 12:10:26 EST


Hello,

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



Tested on:

commit: 1590cf03 Linux 7.2-rc4
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=159ee2b9580000
kernel config: https://syzkaller.appspot.com/x/.config?x=337c29be5df8a447
dashboard link: https://syzkaller.appspot.com/bug?extid=fb7c2dd166d3ea63df2a
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=1021b789580000