Re: BUG: unable to handle kernel paging request in pvclock_gtod_notify

From: syzbot
Date: Sun Nov 01 2020 - 05:11:20 EST


syzbot suspects this issue was fixed by commit:

commit a49145acfb975d921464b84fe00279f99827d816
Author: George Kennedy <george.kennedy@xxxxxxxxxx>
Date: Tue Jul 7 19:26:03 2020 +0000

fbmem: add margin check to fb_check_caps()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17499724500000
start commit: 60e72093 Merge tag 'clk-fixes-for-linus' of git://git.kern..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=89ab6a0c48f30b49
dashboard link: https://syzkaller.appspot.com/bug?extid=815c663e220da75b02b6
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1162b04d900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=135e7383900000

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

#syz fix: fbmem: add margin check to fb_check_caps()

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