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Bug#399847: linux-image-2.6.15-1-amd64-k8-smp: Oops in netatalk

>>> Package: linux-image-2.6.15-1-amd64-k8-smp
>>> Version: 2.6.15-8
>>> Severity: normal
>> 2.6.15 was removed long ago. Please test with 2.6.18 from sid (the
>> kernel planned for etch). If you can still reproduce this, open a new
>> bug.

I just got one more non fatal Oops yesterday (see below) with
linux-image-2.6.18-3-amd64.  I did not shut down the box, and I am still
running it.

>Perhaps the problem is this one (fixed in 2.6.19-pre4):

It is very likely that this is the problem.  It happens in exactly that
function, and it is a NULL pointer dereferencing.  I am happier now,
because this means that the Oops is harmless.

>I don't have packages for AMD64, but if the problem persists with
>official i386 kernels, then please report back if it is solved by using
>one of the i386 packages available here:
>deb http://debian.jones.dk/ sid kernels

If you want, I can download the sources and compile them for amd64.  I
only observe the problem on this box.

Here is the Oops:

Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: 
 [<ffffffff883e435d>] :appletalk:atalk_sendmsg+0x13d/0x567
PGD 34f4d067 PUD 358bb067 PMD 0 
Oops: 0000 [1] SMP 
CPU 0 
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat nfs nfsd exportfs lockd nfs_acl sunrpc appletalk ppdev lp button ac battery ipv6 sk98lin dm_crypt dm_snapshot dm_mirror dm_mod tcp_diag inet_diag sr_mod sbp2 ide_disk snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_mpu401 pcmcia snd_mpu401_uart snd_timer firmware_class snd_rawmidi snd_seq_device snd snd_page_alloc sky2 i2c_nforce2 eth1394 i2c_core parport_pc parport psmouse serio_raw analog yenta_socket rsrc_nonstatic pcmcia_core floppy pcspkr gameport evdev soundcore ext3 jbd mbcache raid10 raid456 xor raid1 raid0 multipath linear md_mod ide_generic ide_cd cdrom sd_mod usb_storage sata_nv ohci_hcd sata_sil24 libata ehci_hcd scsi_mod generic forcedeth amd74xx ide_core ohci1394 ieee1394 thermal processor fan
Pid: 3530, comm: atalkd Not tainted 2.6.18-3-amd64 #1
RIP: 0010:[<ffffffff883e435d>]  [<ffffffff883e435d>] :appletalk:atalk_sendmsg+0x13d/0x567
RSP: 0018:ffff810034877bf8  EFLAGS: 00010286
RAX: 0000000000000000 RBX: 000000000000002c RCX: ffff810034877f28
RDX: 0000000000000005 RSI: ffff81003496bc40 RDI: ffffffff883e2652
RBP: ffff81003e98b800 R08: 00007fff77fa1c30 R09: 0000000000000010
R10: ffff810037a55d80 R11: 0000000000000246 R12: 0000000000000000
R13: ffff810034877ee8 R14: ffff810034877cb8 R15: ffff810034877e68
FS:  00002ae0330766d0(0000) GS:ffffffff80520000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[3295]: rrd_update failed: df-dev-shm.rrd: illegal attempt to update using time 1166020203 when last update time is 1166020203 (minimum one second step)
CR2: 0000000000000000 CR3: 0000000034f51000 CR4: 00000000000006e0
Process atalkd (pid: 3530, threadinfo ffff810034876000, task ffff81003e0a0140)
Stack:  0000000000000018 00000018ffffffa6 0000000000000400 0000000000000000
 ffff8100335dc026 ffffffff883e32cc 0000000000100100 ffff81003e98b800
 ffff810034e12670 000000003e12da80 0000000000000022 0000000000000018
Call Trace:
 [<ffffffff883e32cc>] :appletalk:atalk_recvmsg+0x10f/0x127
 [<ffffffff883e2f22>] :appletalk:__lock_atalk_dgram_sendmsg+0x2d/0x40
 [<ffffffff80250a64>] sock_sendmsg+0xf3/0x110
 [<ffffffff8022e52a>] sock_recvmsg+0x101/0x120
 [<ffffffff802904d7>] autoremove_wake_function+0x0/0x2e
 [<ffffffff883e306f>] :appletalk:__lock_atalk_dgram_poll+0x0/0x30
 [<ffffffff8038bc28>] sys_sendto+0x11c/0x14f
 [<ffffffff8022623c>] do_wait+0x9e4/0xa74
 [<ffffffff8025c576>] __sched_text_start+0x166/0x97d
 [<ffffffff8021bae1>] sigprocmask+0xb7/0xdb
 [<ffffffff8025860e>] system_call+0x7e/0x83

Code: 4c 8b 30 75 25 eb 44 c6 44 24 42 00 66 8b 85 22 02 00 00 48 
RIP  [<ffffffff883e435d>] :appletalk:atalk_sendmsg+0x13d/0x567
 RSP <ffff810034877bf8>
CR2: 0000000000000000

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