On Wed, 07 May 2025 22:41:19 +0530, Raj Kumar Bhagat wrote:
> Memory allocated for firmware pdev, vdev and beacon statistics
> are not released during rmmod. Below kmemleak trace is seen for this
> memory leak:
>
> unreferenced object 0xffff8e76aebdfa00 (size 256):
> comm "softirq", pid 0, jiffies 4299272453
> hex dump (first 32 bytes):
> 28 19 71 c3 76 8e ff ff 28 19 71 c3 76 8e ff ff (.q.v...(.q.v...
> 9f ff ff ff f4 d4 03 00 aa 88 09 00 bd 40 23 00 .............@#.
> backtrace (crc dfe1b440):
> __kmalloc_cache_noprof+0x2b0/0x370
> ath12k_wmi_tlv_fw_stats_data_parse.isra.0+0x44e/0x730 [ath12k]
> ath12k_wmi_tlv_iter+0x5e/0x140 [ath12k]
> ath12k_update_stats_event+0x85/0x300 [ath12k]
> ath12k_wmi_op_rx+0x624/0xd70 [ath12k]
> ath12k_htc_rx_completion_handler+0x1f4/0x330 [ath12k]
> ath12k_ce_recv_process_cb+0x218/0x300 [ath12k]
> ath12k_pci_ce_workqueue+0x1b/0x30 [ath12k]
> process_one_work+0x219/0x680
> bh_worker+0x198/0x1f0
> tasklet_action+0x13/0x30
> handle_softirqs+0xca/0x460
> __irq_exit_rcu+0xbe/0x110
> irq_exit_rcu+0x9/0x30
> common_interrupt+0xa7/0xc0
> asm_common_interrupt+0x26/0x40
>
> [...]
Applied, thanks!
[1/1] wifi: ath12k: fix memory leak in WMI firmware stats
commit: 246eb353fbe9136ab3dd2ef979764a13984989e2
Best regards,
--
Jeff Johnson <jeff.johnson@xxxxxxxxxxxxxxxx>
