Re: [PATCH] RDMA/rxe: Fix race condition in QP timer handlers

[Leon Romanovsky]

On Tue, 20 Jan 2026 15:44:37 +0800, Li Zhijian wrote:
> I encontered the following warning:
>  WARNING: drivers/infiniband/sw/rxe/rxe_task.c:249 at rxe_sched_task+0x1c8/0x238 [rdma_rxe], CPU#0: swapper/0/0
> ...
>   libsha1 [last unloaded: ip6_udp_tunnel]
>  CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G         C          6.19.0-rc5-64k-v8+ #37 PREEMPT
>  Tainted: [C]=CRAP
>  Hardware name: Raspberry Pi 4 Model B Rev 1.2
>  Call trace:
>   rxe_sched_task+0x1c8/0x238 [rdma_rxe] (P)
>   retransmit_timer+0x130/0x188 [rdma_rxe]
>   call_timer_fn+0x68/0x4d0
>   __run_timers+0x630/0x888
> ...
>  WARNING: drivers/infiniband/sw/rxe/rxe_task.c:38 at rxe_sched_task+0x1c0/0x238 [rdma_rxe], CPU#0: swapper/0/0
> ...
>  WARNING: drivers/infiniband/sw/rxe/rxe_task.c:111 at do_work+0x488/0x5c8 [rdma_rxe], CPU#3: kworker/u17:4/93400
> ...
>  refcount_t: underflow; use-after-free.
>  WARNING: lib/refcount.c:28 at refcount_warn_saturate+0x138/0x1a0, CPU#3: kworker/u17:4/93400
> 
> [...]

Applied, thanks!

[1/1] RDMA/rxe: Fix race condition in QP timer handlers
      https://git.kernel.org/rdma/rdma/c/87bf646921430e

Best regards,
-- 
Leon Romanovsky <leon@xxxxxxxxxx>