linux-kernel - Re: [syzbot] [kvm?] WARNING in kvm_mmu_notifier_invalidate_range

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Zec_J7VKp_4QAP0Z@google.com>
Date: Tue, 5 Mar 2024 07:49:59 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: syzbot <syzbot+c74f40907a9c0479af10@...kaller.appspotmail.com>
Cc: akpm@...ux-foundation.org, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, pbonzini@...hat.com, 
	syzkaller-bugs@...glegroups.com, tintinm2017@...il.com, 
	usama.anjum@...labora.com
Subject: Re: [syzbot] [kvm?] WARNING in kvm_mmu_notifier_invalidate_range_start
 (3)

On Tue, Mar 05, 2024, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 4cccb6221cae6d020270606b9e52b1678fc8b71a
> Author: Muhammad Usama Anjum <usama.anjum@...labora.com>
> Date:   Tue Jan 9 11:24:42 2024 +0000
> 
>     fs/proc/task_mmu: move mmu notification mechanism inside mm lock
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1638c66c180000
> start commit:   b57b17e88bf5 Merge tag 'parisc-for-6.7-rc1-2' of git://git..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=d950a2e2e34359e2
> dashboard link: https://syzkaller.appspot.com/bug?extid=c74f40907a9c0479af10
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15785fc4e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1469c9a8e80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
> 
> #syz fix: fs/proc/task_mmu: move mmu notification mechanism inside mm lock
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: fs/proc/task_mmu: move mmu notification mechanism inside mm lock