netdev - Re: [PATCH] svcrdma: fix miss destroy percpu_counter in svc_rdma_proc

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Message-ID: <172977515008.2386.365430128275371946.b4-ty@oracle.com>
Date: Thu, 24 Oct 2024 09:15:32 -0400
From: Chuck Lever <chuck.lever@...cle.com>
To: trondmy@...nel.org,
	anna@...nel.org,
	jlayton@...nel.org,
	neilb@...e.de,
	okorniev@...hat.com,
	Dai.Ngo@...cle.com,
	tom@...pey.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org,
	joel.granados@...nel.org,
	linux@...ssschuh.net,
	linux-nfs@...r.kernel.org,
	netdev@...r.kernel.org,
	Ye Bin <yebin@...weicloud.com>
Cc: Chuck Lever <chuck.lever@...cle.com>,
	yebin10@...wei.com,
	zhangxiaoxu5@...wei.com
Subject: Re: [PATCH] svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()

On Thu, 24 Oct 2024 09:55:20 +0800, Ye Bin wrote:
> There's issue as follows:
> RPC: Registered rdma transport module.
> RPC: Registered rdma backchannel transport module.
> RPC: Unregistered rdma transport module.
> RPC: Unregistered rdma backchannel transport module.
> BUG: unable to handle page fault for address: fffffbfff80c609a
> PGD 123fee067 P4D 123fee067 PUD 123fea067 PMD 10c624067 PTE 0
> Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
> RIP: 0010:percpu_counter_destroy_many+0xf7/0x2a0
> Call Trace:
>  <TASK>
>  __die+0x1f/0x70
>  page_fault_oops+0x2cd/0x860
>  spurious_kernel_fault+0x36/0x450
>  do_kern_addr_fault+0xca/0x100
>  exc_page_fault+0x128/0x150
>  asm_exc_page_fault+0x26/0x30
>  percpu_counter_destroy_many+0xf7/0x2a0
>  mmdrop+0x209/0x350
>  finish_task_switch.isra.0+0x481/0x840
>  schedule_tail+0xe/0xd0
>  ret_from_fork+0x23/0x80
>  ret_from_fork_asm+0x1a/0x30
>  </TASK>
> 
> [...]

Applied to nfsd-next for v6.13, thanks!

[1/1] svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()
      commit: cd0f8809d24b55390eab29a02a595641531e4390

--
Chuck Lever <chuck.lever@...cle.com>