Package: kernel
Severity: normal
When I start pppd to tunnel over ssh for a vpn, the kernel panics and
the pppd process is killed.
Partial dmesg output follows ...
CSLIP: code copyright 1989 Regents of the University of California
PPP generic driver version 2.4.2
skb_over_panic: text:88205ce1 len:1 put:1 head:810050012800
data:810150012800 tail:810150012801 end:810050012e00 dev:NULL
--- [cut here ] - [please bite here ] -
Kernel BUG at net/core/skbuff.c:94
invalid operand: [1]
CPU 0
Modules linked in: ppp_async crc_ccitt ppp_generic slhc videodev ipv6
parport_pc parport floppy pcspkr tg3 i2c_i801 i2c_core piix generic hw_random
ehci_hcd uhci_hcd snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm
snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug tsdev psmouse
ide_generic ide_disk ide_cd cdrom ide_core jfs raid1 md_mod sd_mod ahci libata
scsi_mod evdev
Pid: 5269, comm: ssh Not tainted 2.6.15-1-amd64-generic #1
RIP: 0010:[8024f333] 8024f333{skb_over_panic+75}
RSP: 0018:8100568fdd98 EFLAGS: 00010096
RAX: 009a RBX: 810150012800 RCX: 80314f90
RDX: 80314f90 RSI: 0001 RDI: 81005d974750
RBP: 81005828e800 R08: R09: 81005dbe1cc0
R10: 0010 R11: 0010 R12:
R13: 810046132c01 R14: 0001 R15: 002c
FS: 2bf13d10() GS:803c8800() knlGS:
CS: 0010 DS: ES: CR0: 8005003b
CR2: 7fc2aa28 CR3: 4e87b000 CR4: 06e0
Process ssh (pid: 5269, threadinfo 8100568fc000, task 810052f20990)
Stack: 810150012801 810050012e00 802d5e94 810150012801
810150012801 88205ce9 0040 810045d71000
0202 002d
Call Trace:88205ce9{:ppp_async:ppp_asynctty_receive+496}
8021983b{pty_write+68} 802176bc{write_chan+698}
80129f0d{default_wake_function+0}
801751a1{__pollwait+0}
802143c3{tty_write+399} 80217402{write_chan+0}
80165189{vfs_write+203} 80165a67{sys_write+69}
8010e4ba{system_call+126}
Code: 0f 0b 68 14 2f 2e 80 c2 5e 00 48 83 c4 28 c3 51 49 89 d2 48
RIP 8024f333{skb_over_panic+75} RSP 8100568fdd98
1Unable to handle kernel paging request at 81005dac2100 RIP:
[81005dac2100]
PGD 8063 PUD a063 PMD 80005da001e3 PTE 10247c894804c783
Oops: 0011 [2]
CPU 0
Modules linked in: ppp_async crc_ccitt ppp_generic slhc videodev ipv6
parport_pc parport floppy pcspkr tg3 i2c_i801 i2c_core piix generic hw_random
ehci_hcd uhci_hcd snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm
snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug tsdev psmouse
ide_generic ide_disk ide_cd cdrom ide_core jfs raid1 md_mod sd_mod ahci libata
scsi_mod evdev
Pid: 5268, comm: su Not tainted 2.6.15-1-amd64-generic #1
RIP: 0010:[81005dac2100] [81005dac2100]
RSP: 0018:81004dbb1d50 EFLAGS: 00010006
RAX: 8100568fde70 RBX: 568fde78 RCX:
RDX: RSI: 0001 RDI: 8100568fde58
RBP: 81004dbb1d88 R08: R09: 0010
R10: 81005f78b8e8 R11: 81005f78b8e8 R12: 810052f20990
R13: 0001 R14: 8100536ee9e0 R15:
FS: () GS:803c8800() knlGS:
CS: 0010 DS: ES: CR0: 8005003b
CR2: 81005dac2100 CR3: 4dba3000 CR4: 06e0
Process su (pid: 5268, threadinfo 81004dbb, task 81005d8258f0)
Stack: 80129544 0001 0246 81005db5dbe0
0005 810052f4e3c0 0001 81004dbb1da8
80129580 81005f78b8e8
Call Trace:80129544{__wake_up_common+57}
80129580{__wake_up+20}
80219984{pty_close+111} 8021609e{release_dev+538}
8015691a{free_pgd_range+824} 802168cd{tty_release+9}
80165e71{__fput+155} 80163913{filp_close+89}
8012db08{put_files_struct+106} 8012e8da{do_exit+583}
8012f239{sys_exit_group+0} 8010e4ba{system_call+126}
Code: 00 00 00 00 00 00 00 00 00 00 76 5d 00 81 ff ff 07 00 00 00
RIP [81005dac2100] RSP 81004dbb1d50
CR2: 81005dac2100
1Fixing recursive fault but reboot is needed!
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-1-amd64-generic
Locale: LANG=en_GB, LC_CTYPE=en_GB (charmap=ISO-8859-1)
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