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SubjectRe: [syzbot] KASAN: slab-out-of-bounds Read in copy_data
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On 27/10/2021 00:34, Eric Dumazet wrote:
>
>
> On 10/26/21 9:39 AM, syzbot wrote:
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit: 9ae1fbdeabd3 Add linux-next specific files for 20211025
>> git tree: linux-next
>> console output: https://syzkaller.appspot.com/x/log.txt?x=1331363cb00000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=aeb17e42bc109064
>> dashboard link: https://syzkaller.appspot.com/bug?extid=b86736b5935e0d25b446
>> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116ce954b00000
>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132fcf62b00000
>>
>> The issue was bisected to:
>>
>> commit 22849b5ea5952d853547cc5e0651f34a246b2a4f
>> Author: Leon Romanovsky <leonro@nvidia.com>
>> Date: Thu Oct 21 14:16:14 2021 +0000
>>
>> devlink: Remove not-executed trap policer notifications
>
> More likely this came with
>
> caaf2874ba27b92bca6f0298bf88bad94067ec37 hwrng: virtio - don't waste entropy
>

I'm going to have a look.

Thanks,
Laurent


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