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From: syzbot <syzbot+1f29e126cf461c4de3b3@syzkaller.appspotmail.com>
To: b.zolnierkie@samsung.com, colin.king@canonical.com,
	daniel.vetter@ffwll.ch, dri-devel@lists.freedesktop.org,
	gregkh@linuxfoundation.org, jani.nikula@intel.com,
	jirislaby@kernel.org, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, penguin-kernel@i-love.sakura.ne.jp,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] BUG: unable to handle kernel paging request in vga16fb_imageblit (2)
Date: Sat, 01 May 2021 18:53:10 -0700	[thread overview]
Message-ID: <0000000000006bbd0c05c14f1b09@google.com> (raw)
In-Reply-To: <00000000000086452c05a51da504@google.com>

syzbot has bisected this issue to:

commit 988d0763361bb65690d60e2bc53a6b72777040c3
Author: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Date:   Sun Sep 27 11:46:30 2020 +0000

    vt_ioctl: make VT_RESIZEX behave like VT_RESIZE

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15633759d00000
start commit:   d2b6f8a1 Merge tag 'xfs-5.13-merge-3' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17633759d00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13633759d00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=53fdf14defd48c56
dashboard link: https://syzkaller.appspot.com/bug?extid=1f29e126cf461c4de3b3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16d9ff43d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10981693d00000

Reported-by: syzbot+1f29e126cf461c4de3b3@syzkaller.appspotmail.com
Fixes: 988d0763361b ("vt_ioctl: make VT_RESIZEX behave like VT_RESIZE")

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

WARNING: multiple messages have this Message-ID (diff)
From: syzbot <syzbot+1f29e126cf461c4de3b3@syzkaller.appspotmail.com>
To: b.zolnierkie@samsung.com, colin.king@canonical.com,
	daniel.vetter@ffwll.ch, dri-devel@lists.freedesktop.org,
	gregkh@linuxfoundation.org,  jani.nikula@intel.com,
	jirislaby@kernel.org, linux-fbdev@vger.kernel.org,
	 linux-kernel@vger.kernel.org,
	penguin-kernel@i-love.sakura.ne.jp,
	 syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] BUG: unable to handle kernel paging request in vga16fb_imageblit (2)
Date: Sat, 01 May 2021 18:53:10 -0700	[thread overview]
Message-ID: <0000000000006bbd0c05c14f1b09@google.com> (raw)
In-Reply-To: <00000000000086452c05a51da504@google.com>

syzbot has bisected this issue to:

commit 988d0763361bb65690d60e2bc53a6b72777040c3
Author: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Date:   Sun Sep 27 11:46:30 2020 +0000

    vt_ioctl: make VT_RESIZEX behave like VT_RESIZE

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15633759d00000
start commit:   d2b6f8a1 Merge tag 'xfs-5.13-merge-3' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17633759d00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13633759d00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=53fdf14defd48c56
dashboard link: https://syzkaller.appspot.com/bug?extid=1f29e126cf461c4de3b3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16d9ff43d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10981693d00000

Reported-by: syzbot+1f29e126cf461c4de3b3@syzkaller.appspotmail.com
Fixes: 988d0763361b ("vt_ioctl: make VT_RESIZEX behave like VT_RESIZE")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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  parent reply	other threads:[~2021-05-02  1:53 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-08  7:07 BUG: unable to handle kernel paging request in vga16fb_imageblit (2) syzbot
2020-05-08  7:07 ` syzbot
2020-05-08  7:07 ` syzbot
2021-05-01 20:31 ` [syzbot] " syzbot
2021-05-01 20:31   ` syzbot
2021-05-02  1:53 ` syzbot [this message]
2021-05-02  1:53   ` syzbot
2021-05-03 13:41   ` Tetsuo Handa
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 16:19         ` Tetsuo Handa
2021-05-14 17:29         ` Linus Torvalds
2021-05-14 17:29           ` Linus Torvalds
2021-05-14 17:37           ` Linus Torvalds
2021-05-14 17:37             ` Linus Torvalds
2021-05-14 18:23             ` Linus Torvalds
2021-05-14 18:23               ` Linus Torvalds
2021-05-14 20:25           ` Maciej W. Rozycki
2021-05-14 20:25             ` Maciej W. Rozycki
2021-05-14 20:32             ` Linus Torvalds
2021-05-14 20:32               ` Linus Torvalds
2021-05-14 21:10               ` 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  7:43                   ` Tetsuo Handa
2021-05-15 16:21                   ` Maciej W. Rozycki
2021-05-15 16:21                     ` Maciej W. Rozycki
2021-05-15 16:32                     ` Maciej W. Rozycki
2021-05-15 16:32                       ` Maciej W. Rozycki
2021-05-15 16:41                       ` Linus Torvalds
2021-05-15 16:41                         ` Linus Torvalds
2021-05-17 13:13                         ` Daniel Vetter
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
2021-05-15 16:11                 ` Maciej W. Rozycki
2021-05-17 13:07               ` Daniel Vetter
2021-05-17 13:07                 ` Daniel Vetter
2021-05-17 13:10                 ` Daniel Vetter
2021-05-17 13:10                   ` Daniel Vetter
2021-05-15  0:45             ` Tetsuo Handa
2021-05-15  0:45               ` Tetsuo Handa
  -- strict thread matches above, loose matches on Subject: below --
2020-10-06  8:18 BUG: unable to handle kernel paging request in cfb_imageblit syzbot
2020-10-06  8:18 ` syzbot
2020-10-06  8:18 ` syzbot
2020-12-18 15:26 ` syzbot
2020-12-18 15:26   ` syzbot
2020-12-18 15:27   ` Dmitry Vyukov
2020-12-18 15:27     ` Dmitry Vyukov
2020-05-12  6:55 BUG: unable to handle kernel paging request in bitfill_aligned syzbot
2020-05-12  6:55 ` syzbot
2020-05-12  6:55 ` syzbot
2019-12-27  7:13 BUG: unable to handle kernel paging request in vga16fb_imageblit syzbot
2019-12-27  7:13 ` syzbot
2019-12-27  7:13 ` syzbot
2019-12-10 16:38 BUG: unable to handle kernel paging request in sys_imageblit syzbot
2019-12-10 16:38 ` syzbot
2019-12-10 16:38 ` syzbot
2020-06-19  4:56 ` syzbot
2020-06-19  4:56   ` syzbot
2020-06-19  4:56   ` syzbot
2013-02-19 17:33 BUG: unable to handle kernel paging request at ffffc90000669000, IP: [<ffffffff8139d84a>] bitfill_unaligned+0x10a/0x1a0 Tommi Rantala
2013-02-19 17:33 ` BUG: unable to handle kernel paging request at ffffc90000669000, IP: [<ffffffff8139d84a>] bitfill_un Tommi Rantala

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