linux-kernel - Re: [syzbot] KASAN: use-after-free Write in __io_free

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Message-ID: <cebb75d5-076d-0b05-6c37-b880accc320e@gmail.com>
Date:   Fri, 29 Oct 2021 22:20:14 +0100
From:   Pavel Begunkov <asml.silence@...il.com>
To:     syzbot <syzbot+78b76ebc91042904f34e@...kaller.appspotmail.com>,
        axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Write in __io_free_req

On 10/29/21 22:12, syzbot wrote:
> Hello,
> 
> syzbot tried to test the proposed patch but the build/boot failed:
> 
> failed to checkout kernel repo git://git.kernel.dk/linux-block on commit 3ecd20a9c77c632a5afe4e134781e1629936adab: failed to run ["git" "checkout" "3ecd20a9c77c632a5afe4e134781e1629936adab"]: exit status 128
> fatal: reference is not a tree: 3ecd20a9c77c632a5afe4e134781e1629936adab

#syz test: https://github.com/isilence/linux.git syz-test-iofree


> 
> Tested on:
> 
> commit:         [unknown
> git tree:       git://git.kernel.dk/linux-block 3ecd20a9c77c632a5afe4e134781e1629936adab
> dashboard link: https://syzkaller.appspot.com/bug?extid=78b76ebc91042904f34e
> compiler:
> 

-- 
Pavel Begunkov