ath12k: kernel BUG at net/core/skbuff.c:209!

[Vasanthakumar Thiagarajan]

On 5/11/2025 12:30 AM, Alexander Tsoy wrote:
> Hello!
> 
> I recently got two QCNCM865 (wcn7850) cards and experience kernel
> panics on different systems and different kernel versions. Card info:
> 
> [   13.584230] ath12k_pci 0000:0b:00.0: BAR 0 [mem 0xfc200000-0xfc3fffff 64bit]: assigned
> [   13.584252] ath12k_pci 0000:0b:00.0: enabling device (0000 -> 0002)
> [   13.584636] ath12k_pci 0000:0b:00.0: MSI vectors: 16
> [   13.584644] ath12k_pci 0000:0b:00.0: Hardware name: wcn7850 hw2.0
> [   14.210605] ath12k_pci 0000:0b:00.0: chip_id 0x2 chip_family 0x4 board_id 0xff soc_id 0x40170200
> [   14.210613] ath12k_pci 0000:0b:00.0: fw_version 0x100301e1 fw_build_timestamp 2023-12-06 04:05 fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> 
> Kernels I've tried so far: 6.12.24..6.12.28, 6.14.5, 6.15.0-rc5
> 
> Synthetic load like pumping traffic via netcat or iperf seems unable to
> trigger this bug, but something like downloading of Steam games or
> torrents is triggering this bug very quickly.
> 
> Any ideas on what's going on here? I'm ready to test any patch.
> 

Can you try with 
https://git.kernel.org/pub/scm/linux/kernel/git/ath/ath.git/commit/?id=763216fe6c5df95d122c71ef34c342427c987820 
?

Vasanth