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SubjectRe: KASAN: use-after-free Write in check_noncircular
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This is not a TOMOYO's bug. But

On 2019/07/17 17:58, syzbot wrote:
> ==================================================================
> BUG: KASAN: use-after-free in check_noncircular+0x91/0x560 kernel/locking/lockdep.c:1722
> Write of size 56 at addr ffff888089815160 by task syz-executor.4/8772
>
> CPU: 1 PID: 8772 Comm: syz-executor.4 Not tainted 5.2.0+ #31
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
> Call Trace:
>

what happened here? No trace was printed to console output?

> Allocated by task 8457:

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