Re: [BUG] can: kvaser_usb: WARN_ON(!dev->cfg) in kvaser_usb_probe() from an unhandled clock-frequency encoding

From: Marc Kleine-Budde

Date: Fri Aug 28 2026 - 03:06:08 EST


Hello Farhad Alemi,

for future reports please include the whole crash report in your mail.

On 28.08.2026 03:15:44, Farhad Alemi wrote:
> As part of the kernel research at ASU's SEFCOM
> lab, we hit the crash below. Crash reports can be found here:
>
> https://github.com/farhad-alemi/public_bug_reports/tree/main/123-can-kvaser-warn-null-dev-cfg-kvaser_usb_probe/
>
> WARNING: drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c:989
> at kvaser_usb_probe+0x14a9/0x15e0
>
> Our reproducer.c is available upon request.

Please post the reproducer.

regards,
Marc

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