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From: Dmitry Vyukov <dvyukov@google.com>
To: syzbot <syzbot+dfd0b1c6705301cc4847@syzkaller.appspotmail.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	DRI <dri-devel@lists.freedesktop.org>,
	George Kennedy <george.kennedy@oracle.com>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: BUG: unable to handle kernel paging request in cfb_imageblit
Date: Fri, 18 Dec 2020 16:27:53 +0100	[thread overview]
Message-ID: <CACT4Y+bgROPPaiah0S0N8Ju9cpj9xkeQ9FrMCfQeAuRdJy1Qqg@mail.gmail.com> (raw)
In-Reply-To: <000000000000fbf57305b6beb939@google.com>

On Fri, Dec 18, 2020 at 4:26 PM syzbot
<syzbot+dfd0b1c6705301cc4847@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit a49145acfb975d921464b84fe00279f99827d816
> Author: George Kennedy <george.kennedy@oracle.com>
> 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=1149f30f500000
> start commit:   22fbc037 Merge tag 'for-linus' of git://git.kernel.org/pub..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4e672827d2ffab1f
> dashboard link: https://syzkaller.appspot.com/bug?extid=dfd0b1c6705301cc4847
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11ba9a5d900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17cfd4af900000
>
> 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

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

      reply	other threads:[~2020-12-18 15:28 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-19 17:33 BUG: unable to handle kernel paging request at ffffc90000669000, IP: [<ffffffff8139d84a>] bitfill_un Tommi Rantala
2019-12-10 16:38 ` BUG: unable to handle kernel paging request in sys_imageblit syzbot
2020-06-19  4:56   ` syzbot
2019-12-27  7:13 ` BUG: unable to handle kernel paging request in vga16fb_imageblit syzbot
2020-05-08  7:07 ` BUG: unable to handle kernel paging request in vga16fb_imageblit (2) syzbot
2021-05-01 20:31   ` [syzbot] " syzbot
2021-05-02  1:53   ` syzbot
2021-05-03 13:41     ` Tetsuo Handa
2021-05-07 11:09       ` Tetsuo Handa
2021-05-14 16:19         ` [PATCH] video: fbdev: vga16fb: fix OOB write in vga16fb_imageblit() Tetsuo Handa
2021-05-14 17:29           ` Linus Torvalds
2021-05-14 17:37             ` Linus Torvalds
2021-05-14 18:23               ` Linus Torvalds
2021-05-14 20:25             ` Maciej W. Rozycki
2021-05-14 20:32               ` Linus Torvalds
2021-05-14 21:10                 ` Linus Torvalds
2021-05-15  7:43                   ` [PATCH v2] tty: vt: always invoke vc->vc_sw->con_resize callback Tetsuo Handa
2021-05-15 16:21                     ` Maciej W. Rozycki
2021-05-15 16:32                       ` Maciej W. Rozycki
2021-05-15 16:41                         ` Linus Torvalds
2021-05-17 13:13                           ` Daniel Vetter
2021-05-15 16:11                 ` [PATCH] video: fbdev: vga16fb: fix OOB write in vga16fb_imageblit() Maciej W. Rozycki
2021-05-17 13:07                 ` Daniel Vetter
2021-05-17 13:10                   ` Daniel Vetter
2021-05-15  0:45               ` Tetsuo Handa
2020-05-12  6:55 ` BUG: unable to handle kernel paging request in bitfill_aligned syzbot
2020-10-06  8:18 ` BUG: unable to handle kernel paging request in cfb_imageblit syzbot
2020-12-18 15:26   ` syzbot
2020-12-18 15:27     ` Dmitry Vyukov [this message]

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