Oops in 2.6.0-test[89] in tcp_v4_get_port (kernel with IPv6 enabled)

From: Raffaele Brancaleoni (raffaele.brancaleoni_at_sun.com)
Date: 10/31/03

  • Next message: Mario Ohnewald: "Re: Swap usage" 
    Date:	Fri, 31 Oct 2003 12:30:06 +0100
To: linux-kernel@vger.kernel.org

    Hello everyone,

    I just encountered a oops with kernels 2.6.0-test8 and -test9 (system
    freezes the hard way, not even magic-key works). Problem does not exist
    in 2.4.20.

    It looks to me its a regression (or has it ever been integrated?) of
    bug 456 (from bugme.osdl.org) but I'm far from being an expert.

    I can trigger it easily by running the test suite of mod_perl 1.99
    (it crashes systematically at the very end of the tests).

    You'll find below all details I could collect about this issue
    (linux_ver, ksymoops, the oops I wrote down).

    I found a thread about similar issue in the archive
    (thread subject: "oops in inet_bind/tcp_v4_get_port"). Yoshifuji Hideaki
      provided a patch but unfortunately it causes some problems with
    ip_nat_helper and ip_nat_cores modules compilation (duplicate functions
    definitions)...

    Can anyone help with this? Do not hesitate to let me know would you need
    other data to help in investigating this issue.

    Thanks,

    Raffaele.

    P.S.: I don't know how reliable the ksymoops output is due to the fact I
    could not save the kallsyms at the time of the oops. Anyway, as modules
    are force-loaded at boot in the same order, I hope it will still be useful.

    P.S.2: For any reply, would you mind CC:'ing me as I'm not on the list?
    ____

    Unable to handle kernel paging request at virtual 010000c8
    *pde = 00000000
    Oops: 0000 [#1]
    CPU: 0
    EIP: 0060:[<c0315951>] Not tainted
    EFLAGS: 00010246
    EIP is at tcp_v4_get_port+0x331/0x350
    eax: 0100007f ebx: d6234470 ecx: d02df730 edx: d02df720
    esi: 00002151 edi: d5c14060 ebp: d02df7b0 esp: d316bc70
    ds: 007b es: 007b ss: 0068
    Process TEST (pid: 4984, threadinfo=d316a000 task=d5ab46a0)

    Stack: 00000000 00000000 00000000 00000000 00000001 00000000 00000000
    00000000
            00000000 00000001 d7ac8544 ffffffea d5c14060 d5c14188 d316bec8
    c0328c62
            d5c14060 00002151 c02dc2dc 00000003 00002151 d5c763a0 d316bce8
    00000010

    Call Trace:
          [<c0328c62>] inet_bind+0x1c2/0x2c0
          [<c02dc2dc>] move_addr_to_kernel+0x5e/0xa0
          [<c02dd8eb>] sys_bind+0x7b/0xb0
          [<c011e742>] schedule+0x2f2/0x590
          [<c02de703>] sys_socketcall+0xd3/0x2c0
          [<c012994a>] ptrace_notify+0x4a/0x74
          [<c010ff18>] do_syscall_trace+0x48/0x80
          [<c010b4db>] syscall_call+0x7/0xb

    Code: 0f b6 40 49 24 20 84 c0 75 a0 eb 88 8b 7c 24 40 8b 7f 24 89
    <0> Kernel panic: fatal exception in interrupt
    In interrupt handler - not syncing
    ____

    Linux nightawk 2.6.0-test9 #2 Thu Oct 30 12:52:54 CET 2003 i686 Pentium III
            (Coppermine) GenuineIntel GNU/Linux

    Gnu C 3.2.3
    Gnu make 3.80
    util-linux 2.11z
    mount 2.11z
    module-init-tools 0.9.12
    e2fsprogs 1.33
    reiserfsprogs 3.6.8
    pcmcia-cs 3.2.4
    PPP 2.4.1
    nfs-utils 1.0.6
    Linux C Library 2.3.2
    Dynamic linker (ldd) 2.3.2
    Procps 3.1.9
    Net-tools 1.60
    Kbd 1.06
    Sh-utils 5.0
    Modules Loaded uhci_hcd usbcore autofs4 twofish sha512 blowfish
    sha256
    pppoe pppox ppp_generic slhc ircomm_tty ircomm irtty_sir sir_dev irport
    irda
    ipt_MASQUERADE ipt_owner ipt_SAME ipt_helper ipt_NETMAP ip_nat_snmp_basic
    arpt_mangle ipt_REDIRECT ipt_ULOG ipt_mark smbfs nfsd exportfs lockd sunrpc
    snd_pcm_oss snd_mixer_oss snd_au8810 snd_pcm snd_page_alloc snd_timer
    snd_ac97_codec snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore fan
    thermal processor button battery ac 8139too mii

    _____

    ksymoops 2.4.9 on i686 2.6.0-test9. Options used
          -V (default)
          -k /proc/kallsyms (specified)
          -l /proc/modules (specified)
          -o /lib/modules/2.6.0-test9 (specified)
          -m /boot/System.map-2.6.0-test9 (specified)

    Warning (read_ksyms): no kernel symbols in ksyms, is /proc/kallsyms a
    valid ksym
    s file?
    No modules in ksyms, skipping objects
    No ksyms, skipping lsmod
    Unable to handle kernel paging request at virtual 010000c8
    *pde = 00000000
    Oops: 0000 [#1]
    CPU: 0
    EIP: 0060:[<c0315951>] Not tainted
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010246
    eax: 0100007f ebx: d6234470 ecx: d02df730 edx: d02df720
    esi: 00002151 edi: d5c14060 ebp: d02df7b0 esp: d316bc70
    ds: 007b es: 007b ss: 0068
    Stack: 00000000 00000000 00000000 00000000 00000001 00000000 00000000
    00000000
            00000000 00000001 d7ac8544 ffffffea d5c14060 d5c14188 d316bec8
    c0328c62
            d5c14060 00002151 c02dc2dc 00000003 00002151 d5c763a0 d316bce8
    00000010
    Call Trace:
          [<c0328c62>] inet_bind+0x1c2/0x2c0
          [<c02dc2dc>] move_addr_to_kernel+0x5e/0xa0
          [<c02dd8eb>] sys_bind+0x7b/0xb0
          [<c011e742>] schedule+0x2f2/0x590
          [<c02de703>] sys_socketcall+0xd3/0x2c0
          [<c012994a>] ptrace_notify+0x4a/0x74
          [<c010ff18>] do_syscall_trace+0x48/0x80
          [<c010b4db>] syscall_call+0x7/0xb
    Code: 0f b6 40 49 24 20 84 c0 75 a0 eb 88 8b 7c 24 40 8b 7f 24 89

    >>EIP; c0315951 <tcp_v4_get_port+331/350> <=====

    >>eax; 0100007f <__crc_ide_driveid_update+33f88/a9af9>
    >>ebx; d6234470 <__crc_ide_error+795b4/84c4e>
    >>ecx; d02df730 <__crc_pcmcia_request_configuration+c5a37/47edc2>
    >>edx; d02df720 <__crc_pcmcia_request_configuration+c5a27/47edc2>
    >>edi; d5c14060 <__crc_sockfd_lookup+d86e8/3f795e>
    >>ebp; d02df7b0 <__crc_pcmcia_request_configuration+c5ab7/47edc2>
    >>esp; d316bc70 <__crc_dst_alloc+16f570/20c86c>

    Trace; c0328c62 <inet_bind+1c2/2c0>
    Trace; c02dc2dc <move_addr_to_kernel+5c/a0>
    Trace; c02dd8eb <sys_bind+7b/b0>
    Trace; c011e742 <schedule+2f2/590>
    Trace; c02de703 <sys_socketcall+d3/2c0>
    Trace; c012994a <ptrace_notify+4a/74>
    Trace; c010ff18 <do_syscall_trace+48/80>
    Trace; c010b4db <syscall_call+7/b>

    Code; c0315951 <tcp_v4_get_port+331/350>
    00000000 <_EIP>:
    Code; c0315951 <tcp_v4_get_port+331/350> <=====
        0: 0f b6 40 49 movzbl 0x49(%eax),%eax <=====
    Code; c0315955 <tcp_v4_get_port+335/350>
        4: 24 20 and $0x20,%al
    Code; c0315957 <tcp_v4_get_port+337/350>
        6: 84 c0 test %al,%al
    Code; c0315959 <tcp_v4_get_port+339/350>
        8: 75 a0 jne ffffffaa <_EIP+0xffffffaa>
    Code; c031595b <tcp_v4_get_port+33b/350>
        a: eb 88 jmp ffffff94 <_EIP+0xffffff94>
    Code; c031595d <tcp_v4_get_port+33d/350>
        c: 8b 7c 24 40 mov 0x40(%esp,1),%edi
    Code; c0315961 <tcp_v4_get_port+341/350>
       10: 8b 7f 24 mov 0x24(%edi),%edi
    Code; c0315964 <tcp_v4_get_port+344/350>
       13: 89 00 mov %eax,(%eax)

    <0> Kernel panic: fatal exception in interrupt

    1 warning issued. Results may not be reliable.

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  • Next message: Mario Ohnewald: "Re: Swap usage"