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

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Message-ID: <0000000000009a8bce0612ea3e3c@google.com>
Date: Tue, 05 Mar 2024 05:59:02 -0800
From: syzbot <syzbot+c74f40907a9c0479af10@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, pbonzini@...hat.com, seanjc@...gle.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)

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