Skip to content
  • Bernard Pidoux's avatar
    rose: Socket lock was not released before returning to user space · 43837b1e
    Bernard Pidoux authored
    
    
    ================================================
    [ BUG: lock held when returning to user space! ]
    ------------------------------------------------
    xfbbd/3683 is leaving the kernel with locks still held!
    1 lock held by xfbbd/3683:
      #0:  (sk_lock-AF_ROSE){--..}, at: [<c8cd1eb3>] rose_connect+0x73/0x420 [rose]
    
    INFO: task xfbbd:3683 blocked for more than 120 seconds.
    "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
    xfbbd         D 00000246     0  3683   3669
            c6965ee0 00000092 c02c5c40 00000246 c0f6b5f0 c0f6b5c0 c0f6b5f0 c0f6b5c0
            c0f6b614 c6965f18 c024b74b ffffffff c06ba070 00000000 00000000 00000001
            c6ab07c0 c012d450 c0f6b634 c0f6b634 c7b5bf10 c0d6004c c7b5bf10 c6965f40
    Call Trace:
      [<c024b74b>] lock_sock_nested+0x6b/0xd0
      [<c012d450>] ? autoremove_wake_function+0x0/0x40
      [<c02488f1>] sock_fasync+0x41/0x150
      [<c0249e69>] sock_close+0x19/0x40
      [<c0175d54>] __fput+0xb4/0x170
      [<c0176018>] fput+0x18/0x20
      [<c017300e>] filp_close+0x3e/0x70
      [<c01744e9>] sys_close+0x69/0xb0
      [<c0103bda>] sysenter_past_esp+0x5f/0xa5
      =======================
    INFO: lockdep is turned off.
    
    Signed-off-by: default avatarBernard Pidoux <f6bvp@amsat.org>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    43837b1e