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* [BUG] rxrpc/afs: leaked peer during netns teardown
@ 2026-07-05  6:54 Shuangpeng Bai
  0 siblings, 0 replies; only message in thread
From: Shuangpeng Bai @ 2026-07-05  6:54 UTC (permalink / raw)
  To: David Howells, Marc Dionne
  Cc: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
	Simon Horman, linux-afs, netdev, linux-kernel

Hi,

I can reproduce an RxRPC leaked-peer warning during network namespace
teardown after adding an AFS cell.

Reproducer:

  dmesg -C

  unshare -n sh -c '
          ip link set lo up 2>/dev/null || true
          echo "add reprocell 127.0.0.1" > /proc/fs/afs/cells
          cat /proc/net/rxrpc/peers
  '

  sleep 2
  dmesg | grep "Leaked peer"

Observed output:

  Proto Local                                           Remote                                          Use SST   Maxd LastUse      RTT      RTO
  UDP   [::]:7001                                       127.0.0.1:7003                                    1  128  1440     37s       -1        0
  [   37.969040] rxrpc: Leaked peer 61 {1} 127.0.0.1:7003

Tested on:

  commit 9fbbf69eab3417732ec2adf93e42e507351dd80a
  Linux 7.1.0-13212-g9fbbf69eab34
  CONFIG_NET_NS=y
  CONFIG_AF_RXRPC=y
  CONFIG_AFS_FS=y

Thanks.

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