Re: [syzbot] [kernel?] WARNING in flush_tlb_func

From: syzbot
Date: Wed Dec 11 2024 - 06:17:19 EST


syzbot has bisected this issue to:

commit 209954cbc7d0ce1a190fc725d20ce303d74d2680
Author: Rik van Riel <riel@xxxxxxxxxxx>
Date: Thu Nov 14 15:26:16 2024 +0000

x86/mm/tlb: Update mm_cpumask lazily

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b9b3e8580000
start commit: f486c8aa16b8 Add linux-next specific files for 20241128
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1079b3e8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17b9b3e8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e348a4873516af92
dashboard link: https://syzkaller.appspot.com/bug?extid=2f32bc207cbe5ca4b7a2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c16fc0580000

Reported-by: syzbot+2f32bc207cbe5ca4b7a2@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 209954cbc7d0 ("x86/mm/tlb: Update mm_cpumask lazily")

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