Mailinglist Archive: opensuse-bugs (7523 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=417841


           Summary: fuser leaks file handles
           Product: openSUSE 11.0
           Version: Final
          Platform: x86-64
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Basesystem
        AssignedTo: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: koenig@xxxxxxxx
         QAContact: qa@xxxxxxx
          Found By: ---


in an emoty directory try

      touch {1..1024}
      fuser *

which gives

      Cannot open /etc/mtab: Too many open files
      Cannot open /proc/net/unix: Too many open files
      Cannot open /etc/mtab: Too many open files
      Cannot open /proc/net/unix: Too many open files
      Cannot open /etc/mtab: Too many open files
      Cannot open /proc/net/unix: Too many open files
      Cannot open /proc directory: Too many open files

more files give more error messages. 

from "strace -e open,close fuser *"

        ...
        open("/proc/net/unix", O_RDONLY)        = 1021
        open("/proc/mounts", O_RDONLY)          = 1022
        close(1022)                             = 0
        open("/etc/mtab", O_RDONLY)             = 1022
        close(1022)                             = 0
        open("/proc/net/unix", O_RDONLY)        = 1022
        open("/proc/mounts", O_RDONLY)          = 1023
        close(1023)                             = 0
        open("/etc/mtab", O_RDONLY)             = 1023
        close(1023)                             = 0
        open("/proc/net/unix", O_RDONLY)        = 1023
        open("/proc/mounts", O_RDONLY)          = -1 EMFILE (Too many open
files)
        open("/etc/mtab", O_RDONLY)             = -1 EMFILE (Too many open
files)
        open("/proc/net/unix", O_RDONLY)        = -1 EMFILE (Too many open
files)
        open("/proc/mounts", O_RDONLY)          = -1 EMFILE (Too many open
files)
        open("/etc/mtab", O_RDONLY)             = -1 EMFILE (Too many open
files)
        open("/proc/net/unix", O_RDONLY)        = -1 EMFILE (Too many open
files)
        open("/proc/mounts", O_RDONLY)          = -1 EMFILE (Too many open
files)
        open("/etc/mtab", O_RDONLY)             = -1 EMFILE (Too many open
files)
        open("/proc/net/unix", O_RDONLY)        = -1 EMFILE (Too many open
files)
        open("/proc", O_RDONLY|O_NONBLOCK|O_DIRECTORY|0x80000) = -1 EMFILE (Too
many open files)

so "/proc/net/unix" leaks...


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