Kernel panic in ifs_initialize_globals() function of unsigned (U) kernel module "safenetfs".
Issue
- Kernel panic with following call traces;
BUG: unable to handle kernel NULL pointer dereference at 0000000000000108
IP: [<ffffffffa01a8097>] ifs_initialize_globals+0x2107/0x2370 [safenetfs]
PGD 1353cf067 PUD 1353ce067 PMD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:16.0/0000:0b:00.0/local_cpus
CPU 0
Modules linked in: twnotify(U) symap_rh_ES_6_2.6.32_131.0.15.el6_x86_64(P)(U) symev_rh_ES_6_2.6.32_131.0.15.el6_x86_64(U) vsock(U) nf_conntrack_ftp ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables safenetfs(P)(U) uinput ppdev parport_pc parport microcode vmware_balloon sg vmci(U) i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
Pid: 2387, comm: tesvc Tainted: P --------------- 2.6.32-358.11.1.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
RIP: 0010:[<ffffffffa01a8097>] [<ffffffffa01a8097>] ifs_initialize_globals+0x2107/0x2370 [safenetfs]
RSP: 0018:ffff880139c63d98 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff8800609584c0 RCX: 000000000000000c
RDX: ffffffffa01c1055 RSI: ffff880139c63ef8 RDI: ffff8801386e0d50
RBP: ffff880139c63e58 R08: ffffffffa01c1756 R09: ffffffffa01c90c0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801386e0d50
R13: ffff88013a49e980 R14: ffff880107277540 R15: ffff880139c63ef8
FS: 00007f326b5fe700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000108 CR3: 00000001353d0000 CR4: 00000000000007f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process tesvc (pid: 2387, threadinfo ffff880139c62000, task ffff880139ca8080)
Stack:
ffff880139c63e38 ffffffff812256fb 0000000000000000 ffff880100000000
<d> ffff88013cfd8780 ffff880107277540 0000000000000000 0000000000000000
<d> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Call Trace:
[<ffffffff812256fb>] ? dentry_has_perm+0x5b/0x80
[<ffffffff81186a91>] vfs_getattr+0x51/0x80
[<ffffffff81186b20>] vfs_fstatat+0x60/0x80
[<ffffffff81186c6b>] vfs_stat+0x1b/0x20
[<ffffffff81186c94>] sys_newstat+0x24/0x50
[<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Code: 00 00 bf 01 00 00 00 48 c7 c1 14 58 1c a0 48 c7 c2 55 10 1c a0 31 c0 e8 18 af ff ff 4c 89 fe 4c 89 e7 e8 bd d2 fd e0 49 8b 45 10 <48> 8b 90 08 01 00 00 b8 42 4d 53 ff 48 39 42 60 0f 84 33 01 00
RIP [<ffffffffa01a8097>] ifs_initialize_globals+0x2107/0x2370 [safenetfs]
RSP <ffff880139c63d98>
CR2: 0000000000000108
Environment
- Red Hat Enterprise Linux 6
- kernel-2.6.32-358.11.1.el6
- Unsigned (U) kernel module: [safenetfs]
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