[Bug 44951] New: renaming socket in use does not update /proc/X/fd

* [Bug 44951] New: renaming socket in use does not update /proc/X/fd
@ 2012-07-20 13:23 bugzilla-daemon
  2012-07-20 16:08 ` [Bug 44951] " bugzilla-daemon
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2012-07-20 13:23 UTC (permalink / raw)
  To: linux-ext4

https://bugzilla.kernel.org/show_bug.cgi?id=44951

           Summary: renaming socket in use does not update /proc/X/fd
           Product: File System
           Version: 2.5
    Kernel Version: 3.2.0-26 ubuntu
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: low
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4@kernel-bugs.osdl.org
        ReportedBy: wolfgang@rohdewald.de
                CC: wolfgang@rohdewald.de
        Regression: No

normally, renaming a file in use updates its name in /proc/X/fd

but this does not work for sockets. And so fuser fails to tell me
about the process using the socket when renamed.

using ext4 of course

i5:~/.kajonggserver$ fuser socket
/home/wr/.kajonggserver/socket: 27557
i5:~/.kajonggserver$ l /proc/27557/fd/3
lrwx------ 1 wr wr 64 Jul 18 22:00 /proc/27557/fd/3 -> socket:[1344224]
i5:~/.kajonggserver$ mv socket X
i5:~/.kajonggserver$ fuser X
i5:[Exit 1 (SIGHUP)]~/.kajonggserver$ l /proc/27557/fd/3
lrwx------ 1 wr wr 64 Jul 18 22:00 /proc/27557/fd/3 -> socket:[1344224]

Linux i5 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64
x86_64 x86_64 GNU/Linux

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