On Tue, 13 Jun 2023 at 21:23, syzbot syzbot+2d4f8693f438d2bd4bdb@syzkaller.appspotmail.com wrote:

syzbot suspects this issue was fixed by commit:

commit a5b44c4adb1699661d22e5152fb26885f30a2e4c Author: Thomas Zimmermann tzimmermann@suse.de Date: Mon Mar 20 15:07:44 2023 +0000

drm/fbdev-generic: Always use shadow buffering

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1025ee07280000 start commit: 0326074ff465 Merge tag 'net-next-6.1' of git://git.kernel... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d323d85b1f8a4ed7 dashboard link: https://syzkaller.appspot.com/bug?extid=2d4f8693f438d2bd4bdb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14fd1182880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17567514880000

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

#syz fix: drm/fbdev-generic: Always use shadow buffering

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

Looks reasonable:

#syz fix: drm/fbdev-generic: Always use shadow buffering