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  1. OpenVZ
  2. OVZ-3534

iptables -F in VE : Memory allocation prob

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Fix Version/s: OpenVZ-legacy
    • Component/s: Containers::Kernel
    • Security Level: Public
    • Environment:
      Operating System: Debian
      Platform: x86_64 (AMD64)

      Description

      Hi,

      new kernel 2.6.18-028test007.1-smp on x86_64 (amd64):

      Test: (in a VE:) Add some iptables rules and then clean all rules occures:

      ### iptables -F
      ### -> error :iptables: Memory allocation problem
      ### -> /proc/user_beancounters, numiptent is increased

      # straced (relevant) infos:

      22959 munmap(0x2b56efee6000, 4096) = 0
      22959 socket(PF_INET, SOCK_RAW, IPPROTO_RAW) = 3
      22959 getsockopt(3, SOL_IP, 0x40 /* IP_??? */, "filter\0\0\337u\"\200\377\377\377\377\300\202`7\0\201\377"..., [84]) = 0
      22959 getsockopt(3, SOL_IP, 0x41 /* IP_??? */, "filter\0\377\0\0\0\0\0\0\0\0\0\321P\0\0\0\0\0\377\377\377"..., [-4990645860720180424]) = 0
      22959 setsockopt(3, SOL_IP, 0x40 /* IP_??? */, "filter\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 728) = -1 ENOMEM (Cannot allocate memory)
      22959 write(2, "iptables: Memory allocation prob"..., 36) = 36
      22959 exit_group(0x1, 0x3c, 0x1, 0, 0xe7 <unfinished ...>

      ### Test on x86 flushing iptables is running without problems ...

      Regards,
      Thorsten

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            Assignee:
            xemul Pavel Emelyanov
            Reporter:
            curx Thorsten Schifferdecker
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              Created:
              Updated:
              Resolved: