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SubjectRe: KASAN: use-after-free Read in put_device
On Sat, May 23, 2020 at 10:04:14AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: c11d28ab Add linux-next specific files for 20200522
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=114e4f06100000
> kernel config: https://syzkaller.appspot.com/x/.config?x=3f6dbdea4159fb66
> dashboard link: https://syzkaller.appspot.com/bug?extid=60f9ee7f99afe29ef9fa
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10ba16e2100000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16caefe6100000
>
> The bug was bisected to:
>
> commit 4ef12f7198023c09ad6d25b652bd8748c965c7fa
> Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> Date: Wed May 13 15:18:40 2020 +0000
>
> kobject: Make sure the parent does not get released before its children
>

Commit was reverted.

#syz invalid

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