Messages in this thread | | | Date | Fri, 06 Dec 2019 17:30:00 -0800 | Subject | Re: KASAN: null-ptr-deref Read in refcount_sub_and_test_checked (2) | From | syzbot <> |
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syzbot suspects this bug was fixed by commit:
commit 62dcb4f41836bd3c44b5b651bb6df07ea4cb1551 Author: Hans Verkuil <hverkuil-cisco@xs4all.nl> Date: Thu Nov 8 12:23:37 2018 +0000
media: vb2: check memory model for VIDIOC_CREATE_BUFS
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14972e41e00000 start commit: ccda4af0 Linux 4.20-rc2 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4a0a89f12ca9b0f5 dashboard link: https://syzkaller.appspot.com/bug?extid=0468b73bdbb243217224 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d20893400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=118f5a2b400000
If the result looks correct, please mark the bug fixed by replying with:
#syz fix: media: vb2: check memory model for VIDIOC_CREATE_BUFS
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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