linux-kernel - Re: [syzbot] [crypto?] KASAN: wild-memory-access Read in crypto_nhpoly1305_update

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Message-ID: <26a9495a-cee7-4db8-895c-aeb0f1784989@redhat.com>
Date: Wed, 10 Sep 2025 08:35:19 +0200
From: David Hildenbrand <david@...hat.com>
To: syzbot <syzbot+634e67b3f57206befe3c@...kaller.appspotmail.com>,
 akpm@...ux-foundation.org, davem@...emloft.net, herbert@...dor.apana.org.au,
 jgg@...pe.ca, jhubbard@...dia.com, linux-crypto@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-mm@...ck.org, peterx@...hat.com,
 syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [crypto?] KASAN: wild-memory-access Read in
 crypto_nhpoly1305_update_helper

On 10.09.25 05:46, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    be5d4872e528 Add linux-next specific files for 20250905

^ old tag

> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=10f70962580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a726684450a7d788
> dashboard link: https://syzkaller.appspot.com/bug?extid=634e67b3f57206befe3c
> compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1247a962580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12751134580000
> 

#syz dup: [syzbot] [io-uring?] KASAN: null-ptr-deref Read in io_sqe_buffer_register


-- 
Cheers

David / dhildenb