Re: [syzbot] [kernel?] linux-next test error: WARNING in class_for_each_device

[Tetsuo Handa]

On 2026/05/26 14:55, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    d387b06f7c15 Add linux-next specific files for 20260525
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=15eb7796580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8dd72cf810e753a6
> dashboard link: https://syzkaller.appspot.com/bug?extid=50b5f81fff158669504a
> compiler:       Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/39490dfbc250/disk-d387b06f.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/0789ac7ac5fc/vmlinux-d387b06f.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/4464df9f5ccf/bzImage-d387b06f.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+50b5f81fff158669504a@xxxxxxxxxxxxxxxxxxxxxxxxx
> 
> ------------[ cut here ]------------
> class_for_each_device called for class 'devlink' before it was registered
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/base?id=1137838865bfc9a7cd5869c1dc5c22aa45ec12c8

Why "driver_deferred_probe_timeout * HZ" => "driver_deferred_probe_timeout" ?