Re: [PATCH ath-next] wifi: ath11k: cancel SSR work items during PCI shutdown
Jeff Johnson <[email protected]>
| Newsgroups | org.infradead.lists.ath11k,org.kernel.vger.linux-kernel,org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 03 Apr 2026 21:30:50 -0700, Wei Zhang wrote:
> A reboot can crash the kernel if it overlaps with WLAN firmware crash
> recovery (SSR). The crash is a NULL pointer dereference in the MHI teardown
> path while freeing DMA-backed MHI contexts.
>
> Simplified trace:
> dma_free_attrs
> mhi_deinit_dev_ctxt [mhi]
> ath11k_pci_power_down [ath11k_pci]
> ath11k_pci_shutdown [ath11k_pci]
> device_shutdown
> kernel_restart
>
> [...]
Applied, thanks!
[1/1] wifi: ath11k: cancel SSR work items during PCI shutdown
commit: 8c79aac429b583301f387374ff37c59be671df87
Best regards,
--
Jeff Johnson <[email protected]>