Re: [syzbot] [batman?] BUG: soft lockup in sys_sendmsg

From: Sven Eckelmann
Date: Mon Feb 12 2024 - 08:38:45 EST


On Monday, 12 February 2024 11:26:24 CET syzbot wrote:
> syzbot found the following issue on:
>
> HEAD commit: 41bccc98fb79 Linux 6.8-rc2
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> console output: https://syzkaller.appspot.com/x/log.txt?x=14200118180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=451a1e62b11ea4a6
> dashboard link: https://syzkaller.appspot.com/bug?extid=a6a4b5bb3da165594cff
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> userspace arch: arm64
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/0772069e29cf/disk-41bccc98.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/659d3f0755b7/vmlinux-41bccc98.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/7780a45c3e51/Image-41bccc98.gz.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+a6a4b5bb3da165594cff@xxxxxxxxxxxxxxxxxxxxxxxxx
>

#syz test