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Old 12-15-2008, 05:45 PM
Moritz Muehlenhoff
 
Default Bug#439188: your mail

On Thu, Aug 23, 2007 at 08:27:15AM +0200, L.P.H. van Belle wrote:
> Package: linux-image-2.6.18-5-k7
> Version: 2.6.18.dfsg.1-13etch1
>
>
>
> BUG: unable to handle kernel NULL pointer dereference at virtual address
> 00000074
> printing eip:
> c016be39
> *pde = 00000000
> Oops: 0000 [#2]
> SMP
> Modules linked in: ipt_TCPMSS ipt_recent xt_limit xt_tcpudp ip_nat_irc
> ip_nat_ftp iptable_nat iptable_mangle ipt_LOG ipt_MASQUERADE ip_nat ipt_TOS
> ipt_REJECT ip_conntrack_irc ip_conntrack_ftp xt_state ip_conntrack nfnetlink
> iptable_filter ip_tables x_tables button ac battery dm_crypt dm_snapshot
> dm_mirror dm_mod tsdev via_agp shpchp pci_hotplug agpgart rtc parport_pc
> via_ircc parport psmouse irda serio_raw crc_ccitt evdev pcspkr ext3 jbd
> mbcache ide_generic ide_cd cdrom ide_disk generic uhci_hcd usbcore via82cxxx
> ide_core thermal processor fan raid10 raid456 xor raid1 md_mod 3c59x mii
> CPU: 0
> EIP: 0060:[<c016be39>] Tainted: G S VLI
> EFLAGS: 00010206 (2.6.18-5-k7 #1)
> EIP is at time_out_leases+0x33/0x45
> eax: db4fce9c ebx: 00000048 ecx: dfa694dc edx: 00000000
> esi: db4fcf40 edi: 00000000 ebp: dfa694dc esp: c3717ea4
> ds: 007b es: 007b ss: 0068
> Process find (pid: 10213, ti=c3716000 task=f7a6b550 task.ti=c3716000)
> Stack: 00000000 00018801 c016cc42 00018801 db4fce9c db4fce9c 00000000
> c3717f3c
> c0165b1a db4fce9c f89418fa 00000004 c0165c38 db4fce9c 00018801
> 00000000
> c3717f3c c0166adb db4f7784 c3717f3c 00000000 00018801 c3717f3c
> c0168af6
> Call Trace:
> [<c016cc42>] __break_lease+0x55/0x2bf
> [<c0165b1a>] generic_permission+0x57/0xcc
> [<f89418fa>] ext3_permission+0x0/0xa [ext3]
> [<c0165c38>] permission+0xa9/0xbc
> [<c0166adb>] may_open+0x131/0x20e
> [<c0168af6>] open_namei+0x23d/0x5b3
> [<c01592d0>] do_filp_open+0x1c/0x31
> [<c01624f1>] sys_lstat64+0x1e/0x23
> [<c0159323>] do_sys_open+0x3e/0xb3
> [<c01593c5>] sys_open+0x16/0x18
> [<c0102bed>] sysenter_past_esp+0x56/0x79
> Code: eb 23 8b 4b 44 85 c9 74 09 a1 80 11 31 c0 39 c8 79 04 89 de eb 0f 83
> e2 ef 89 f0 e8 cb fe ff ff 3b 1e 0f 44 f3 8b 1e 85 db 74 0f <f6> 43 2c 20 74
> 09 0f b6 53 2d f6 c2 10 75 c8 5b 5e c3 53 89 c3
> EIP: [<c016be39>] time_out_leases+0x33/0x45 SS:ESP 0068:c3717ea4

Does this error still occur with more recent kernel versions?

If you're running Etch, could you try to reproduce this bug
with the 2.6.24 based kernel added in 4.0r4?
http://packages.qa.debian.org/l/linux-2.6.24.html

Cheers,
Moritz




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