netdev - Re: [syzbot] [openvswitch?] KMSAN: uninit-value in validate

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Message-ID: <d16ba399-8ddb-4d4e-9c1c-3f657ea86abe@ovn.org>
Date: Sat, 12 Apr 2025 03:31:36 +0200
From: Ilya Maximets <i.maximets@....org>
To: syzbot <syzbot+b07a9da40df1576b8048@...kaller.appspotmail.com>,
 aconole@...hat.com, davem@...emloft.net, dev@...nvswitch.org,
 echaudro@...hat.com, edumazet@...gle.com, horms@...nel.org, kuba@...nel.org,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org, pabeni@...hat.com,
 pshelar@....org, syzkaller-bugs@...glegroups.com
Cc: i.maximets@....org
Subject: Re: [syzbot] [openvswitch?] KMSAN: uninit-value in validate_set (2)

On 4/11/25 10:07 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    0af2f6be1b42 Linux 6.15-rc1
> git tree:       upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=14e26d78580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7cfe1169d7fc8523
> dashboard link: https://syzkaller.appspot.com/bug?extid=b07a9da40df1576b8048
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1367bb4c580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1495d23f980000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/7526e189e315/disk-0af2f6be.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/60a25cc98e41/vmlinux-0af2f6be.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/2d7bf8af0faf/bzImage-0af2f6be.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+b07a9da40df1576b8048@...kaller.appspotmail.com
> 
> =====================================================

#syz test: https://github.com/igsilya/linux.git tmp-validate-set