linux-kernel - Re: [syzbot] [usb] kernel BUG in __page_table_check

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Message-ID: <671547f4.050a0220.1e4b4d.0049.GAE@google.com>
Date: Sun, 20 Oct 2024 11:12:04 -0700
From: syzbot <syzbot+7a9bbb158a7a1071eb27@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, jannh@...gle.com, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, linux-usb@...r.kernel.org, pasha.tatashin@...een.com, 
	syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org, 
	yuran.pereira@...mail.com
Subject: Re: [syzbot] [usb] kernel BUG in __page_table_check_zero

syzbot suspects this issue was fixed by commit:

commit 79a61cc3fc0466ad2b7b89618a6157785f0293b3
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Thu Sep 12 00:11:23 2024 +0000

    mm: avoid leaving partial pfn mappings around in error case

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11f76c87980000
start commit:   cbf3a2cb156a Merge tag 'nfs-for-6.6-3' of git://git.linux-..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=57da1ac039c4c78a
dashboard link: https://syzkaller.appspot.com/bug?extid=7a9bbb158a7a1071eb27
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15394721680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=152b7af6680000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm: avoid leaving partial pfn mappings around in error case

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