Messages in this thread | | | Date | Sun, 07 Nov 2004 14:01:40 +0100 | From | Ondrej Zary <> | Subject | Re: kernel panic while using netcat since linux-2.6.9 |
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Ramsés Rodríguez Martínez wrote: > Hi, > Sorry i don't include any dump, but it seems kernel-patch-lkcd for 2.6.9 is > not available yet. I could handcopy the kernel-oops if you want. I think > it'll be something related with bind() as it fails with "netcat". > > The problem is only present with 2.6.9 (or at least not with 2.6.8 nor > 2.6.5) > > ------------------------ > SCRIPT TO REPRODUCE: > > su > apt-get install nc > exit > nc -p2000 127.0.0.1 2000 # kernel panic > > ------------------------
It does the same thing for me. Here's the BUG output from serial console.
------------[ cut here ]------------ kernel BUG at net/ipv4/tcp_output.c:277! invalid operand: 0000 [#1] PREEMPT Modules linked in: 3c509 snd_sb16 snd_opl3_lib snd_hwdep snd_sb16_dsp snd_sb_common CPU: 0 EIP: 0060:[<c02dd6da>] Not tainted VLI EFLAGS: 00010246 (2.6.9-pentium) EIP is at tcp_transmit_skb+0x8ca/0x8e0 eax: c7fb72c0 ebx: c6424210 ecx: 00000020 edx: c727bf60 esi: c6424040 edi: c6424210 ebp: c727b920 esp: c4869dd4 ds: 007b es: 007b ss: 0068 Process nc (pid: 2263, threadinfo=c4869000 task=c64cb560) Stack: ffffff60 c727b880 c727bf60 000000a0 00000246 c727bf60 c727b880 00000020 c727bf98 c6424178 c727bf60 c6424040 c6424210 c6424040 c6424040 c727b920 c02dc200 00000218 c7fb7478 c727b920 c6424040 c6424210 00000028 c02dcb25 Call Trace: [<c02dc200>] tcp_rcv_synsent_state_process+0x500/0x550 [<c02dcb25>] tcp_rcv_state_process+0x8d5/0x9d0 [<c02e4161>] tcp_v4_do_rcv+0x71/0xf0 [<c02b4ca7>] __release_sock+0x47/0x70 [<c02b53bc>] release_sock+0x6c/0x70 [<c02f11fb>] inet_wait_for_connect+0x7b/0xd0 [<c0111870>] autoremove_wake_function+0x0/0x30 [<c0111870>] autoremove_wake_function+0x0/0x30 [<c02f12f3>] inet_stream_connect+0xa3/0x180 [<c02b320c>] sys_connect+0x5c/0x80 [<c02b3e79>] sock_setsockopt+0x99/0x510 [<c02b1e7f>] sock_map_fd+0xff/0x140 [<c011eabe>] do_sigaction+0x15e/0x1f0 [<c01173bb>] do_setitimer+0x15b/0x1d0 [<c02b3a61>] sys_socketcall+0x81/0x1a0 [<c011e17a>] sys_rt_sigprocmask+0x7a/0xd0 [<c0103d77>] syscall_call+0x7/0xb Code: ff 7f e9 44 f8 ff ff 8a 87 2f 01 00 00 84 c0 0f 84 2c f8 ff ff 8b 54 24 1c 25 ff 00 00 00 8d 54 c2 04 89 54 24 1c e9 16 f8 ff ff <0f> 0b 15 01 9b e9 33 c0 e9 86 <0>Kernel panic - not syncing: Fatal exception in interrupt
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