[Dazuko-help] Kernel Oops in dazukofs_lookup()

[Peter Radig]

OpenSUSE 11.1 with kernel 2.6.27.23-0.1-default

dazukofs coming with antivir-server-prof-3.0.5-0 (i.e. 3.0.0-rc4)

 

The following kernel oops happened on my system:

 

kernel BUG at include/linux/dcache.h:329!

invalid opcode: 0000 [1] SMP

last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map

CPU 5

Modules linked in: dazukofs(N) nls_iso8859_1 nls_cp437 vfat fat usb_storage nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs bluetooth af_packet ppdev vmnet(N) parport_pc parport vmci(N) vmmon(N) iscsi_trgt(N) crc32c libcrc32c w83793(N) hwmon_vid capidrv isdn slhc fcpci(PN) capi capifs kernelcapi microcode fuse loop dm_mod osst st iTCO_wdt iTCO_vendor_support shpchp button sr_mod rtc_cmos i2c_i801 rtc_core rtc_lib i2c_core cdrom pci_hotplug pcspkr e1000e sg raid456 async_xor async_memcpy async_tx xor raid0 ehci_hcd uhci_hcd usbcore sd_mod crc_t10dif pata_marvell edd raid1 ext3 mbcache jbd fan 3w_9xxx ide_pci_generic piix ide_core ata_generic ata_piix ahci libata dock aic79xx scsi_transport_spi scsi_mod thermal processor thermal_sys hwmon

Supported: No

Pid: 901, comm: smbd Tainted: P          2.6.27.23-0.1-default #1

RIP: 0010:[<ffffffff802b82c3>]  [<ffffffff802b82c3>] __follow_mount+0x54/0x7a

RSP: 0018:ffff8806bbcc9a88  EFLAGS: 00010246

RAX: ffff8807dd6ab3c0 RBX: ffff88081cf552c0 RCX: 0000000000000002

RDX: ffff8806bbcc9e98 RSI: 0000000000000001 RDI: ffff8807dd51dcb0

RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

R10: ffff8807fecd8a1c R11: ffffffff803319e8 R12: ffff8806bbcc9b18

R13: ffff8806bbcc9b18 R14: ffff8806bbcc9b08 R15: ffff880816948e80

FS:  00007fac916cc710(0000) GS:ffff88081ce34ec0(0000) knlGS:0000000000000000

CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 00007fff99ce4e80 CR3: 00000006dc495000 CR4: 00000000000006e0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

Process smbd (pid: 901, threadinfo ffff8806bbcc8000, task ffff88064411c340)

Stack:  ffff8807dd51dcb0 ffff8806bbcc9bc8 ffff8806bbcc9bc8 ffffffff802b85c4

 ffffffff80a2e6a0 0000000000000000 ffff8806bbcc9bc8 ffff8807ea888d58

 ffff8807bd8e1e40 ffff880816948e80 ffff8807fecd8a21 ffffffff802bab49

Call Trace:

 [<ffffffff802b85c4>] do_lookup+0x4f/0xb6

 [<ffffffff802bab49>] __link_path_walk+0x904/0xd68

 [<ffffffff802bb178>] path_walk+0x5e/0xb9

 [<ffffffff802bbe86>] vfs_path_lookup+0x51/0x90

 [<ffffffffa04ba3be>] dazukofs_lookup+0xda/0x2ec [dazukofs]

 [<ffffffff802b84e4>] real_lookup+0x7e/0x10f

 [<ffffffff802b85d8>] do_lookup+0x63/0xb6

 [<ffffffff802bab49>] __link_path_walk+0x904/0xd68

 [<ffffffff802bb178>] path_walk+0x5e/0xb9

 [<ffffffff802bb335>] do_path_lookup+0x162/0x1b9

 [<ffffffff802bbccf>] user_path_at+0x48/0x79

 [<ffffffff802b4722>] vfs_stat_fd+0x18/0x44

 [<ffffffff802b47aa>] sys_newstat+0x19/0x31

 [<ffffffff8020bfbb>] system_call_fastpath+0x16/0x1b

 [<00007fac8dbcb145>] 0x7fac8dbcb145

 

 

Code: 18 49 8b 3c 24 48 85 ff 74 0f c7 87 cc 00 00 00 00 00 00 00 e8 48 f5 00 00 49 89 1c 24 48 8b 43 20 48 85 c0 74 0c 83 38 00 75 04 <0f> 0b eb fe f0 ff 00 49 89 44 24 08 bd 01 00 00 00 49 8b 74 24

RIP  [<ffffffff802b82c3>] __follow_mount+0x54/0x7a

 RSP <ffff8806bbcc9a88>

---[ end trace 763126df9862cc09 ]---