syzbot suspects this issue was fixed by commit:
commit 874a52f9b693ed8bf7a92b3592a547ce8a684e6f
Author: Tong Zhang
Date: Sun Feb 28 04:46:25 2021 +
drm/fb-helper: only unmap if buffer not null
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10c27b7ed0
start commit:
#syz fix: drm/fb-helper: only unmap if buffer not null
Am 11.04.21 um 14:01 schrieb syzbot:
#syz fix: drm/fb-helper: only unmap if buffer not null
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
