[Pkg-samba-maint] Bug#506171: Crash in kernel for smbumount and cifs

[Fernando Ruza Rodriguez]

I still get this bug in lenny. I have updated the kernel to
2.6.26-2-amd64 to see if it works. This is the log of the crash:

Jul  8 14:37:20 molina-a kernel: [24421.784114]  CIFS VFS: cifs_umount
failed with return code -5
Jul  8 14:37:20 molina-a kernel: [24421.912090] BUG: unable to handle
kernel paging request at 0000000000100108
Jul  8 14:37:20 molina-a kernel: [24421.912101] IP:
[<ffffffffa06df856>] :cifs:sesInfoFree+0x3f/0x9e
Jul  8 14:37:20 molina-a kernel: [24421.912126] PGD 5cd73067 PUD
60119067 PMD 0
Jul  8 14:37:20 molina-a kernel: [24421.912133] Oops: 0002 [1] SMP
Jul  8 14:37:20 molina-a kernel: [24421.912138] CPU 0
Jul  8 14:37:20 molina-a kernel: [24421.912141] Modules linked in:
nls_utf8 cifs nls_base ocfs2_stack_o2cb ocfs2 ocfs2_stackglue drbd cn
ip_vs tun vboxdrv nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ppdev
lp ac video output sbs sbshc battery wmi acpi_cpufreq cpufreq_powersave
cpufreq_stats cpufreq_conservative cpufreq_ondemand freq_table
cpufreq_userspace ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager configfs ipv6
fuse sbp2 loop snd_hda_intel snd_pcm_oss snd_mixer_oss snd_seq_dummy
snd_pcm parport_pc parport serio_raw psmouse pcspkr i2c_i801 i2c_core
rng_core snd_seq_oss iTCO_wdt snd_seq_midi snd_rawmidi
snd_seq_midi_event container snd_seq snd_timer snd_seq_device button snd
soundcore snd_page_alloc evdev ext3 jbd mbcache dm_mirror dm_log
dm_snapshot dm_mod ide_cd_mod cdrom ide_disk sd_mod piix ide_pci_generic
ide_core ata_generic ata_piix libata floppy scsi_mod dock ohci1394 r8169
ieee1394 ehci_hcd uhci_hcd tg3 thermal processor fan thermal_sys
Jul  8 14:37:20 molina-a kernel: [24421.912258] Pid: 27448, comm:
smbumount Not tainted 2.6.26-1-amd64 #1
Jul  8 14:37:20 molina-a kernel: [24421.912262] RIP:
0010:[<ffffffffa06df856>]  [<ffffffffa06df856>] :cifs:sesInfoFree
+0x3f/0x9e
Jul  8 14:37:20 molina-a kernel: [24421.912283] RSP:
0018:ffff81005f56fde8  EFLAGS: 00010206
Jul  8 14:37:20 molina-a kernel: [24421.912287] RAX: 0000000000200200
RBX: ffff810037824180 RCX: ffff8100650f8578
Jul  8 14:37:20 molina-a kernel: [24421.912291] RDX: 0000000000100100
RSI: ffff81006a9be800 RDI: ffffffffa0701640


Information when the crash happened:

kernel: linux-image-2.6.26-1-adm64
Samba: 
ii  samba   2:3.2.5-4lenny2  a LanManager-like file and printer server
for Unix