Kernel panicked somewhere in 'cifs'

Issue

• System panicked somewhere in 'cifs' code:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
IP: [<ffffffffa0391991>] cifsFileInfo_put+0x21/0x210 [cifs]
PGD 42b21b067 PUD 42b21a067 PMD 0 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:16.0/0000:0b:00.0/irq
CPU 1 
Modules linked in: nls_utf8 cifs nfs lockd fscache(T) nfs_acl auth_rpcgss sunrpc ipv6 vsock(U) ext3 jbd dm_mirror dm_region_hash dm_log ppdev parport_pc parport vmware_balloon microcode vmci(U) sg i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi ata_generic pata_acpi ata_piix dm_mod [last unloaded: speedstep_lib]

Modules linked in: nls_utf8 cifs nfs lockd fscache(T) nfs_acl auth_rpcgss sunrpc ipv6 vsock(U) ext3 jbd dm_mirror dm_region_hash dm_log ppdev parport_pc parport vmware_balloon microcode vmci(U) sg i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi ata_generic pata_acpi ata_piix dm_mod [last unloaded: speedstep_lib]
Pid: 3841, comm: ssshglue Tainted: G           ---------------- T 2.6.32-131.0.15.el6.x86_64 #1 VMware Virtual Platform
RIP: 0010:[<ffffffffa0391991>]  [<ffffffffa0391991>] cifsFileInfo_put+0x21/0x210 [cifs]
RSP: 0018:ffff880429d73b38  EFLAGS: 00010282
RAX: ffffffffa0391bc0 RBX: ffff88042c4a2f00 RCX: 0000000000000003
RDX: ffffffffa03a93a0 RSI: ffff88042c4a2f00 RDI: 0000000000000000
RBP: ffff880429d73b68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: ffff8802f2bac090 R14: ffff8802eb401080 R15: ffff8804284ee180
FS:  00007eff8ffff700(0000) GS:ffff880028280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 000000042ab61000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process ssshglue (pid: 3841, threadinfo ffff880429d72000, task ffff88042b762b40)
Stack:
 0000000000000000 ffff88042c4a2f00 0000000000000008 ffff8802f2bac090
<0> ffff8802eb401080 ffff8804284ee180 ffff880429d73b88 ffffffffa0391bdd
<0> 0000000000000008 ffff88042c4a2f00 ffff880429d73bd8 ffffffff81173ff5
Call Trace:
 [<ffffffffa0391bdd>] cifs_close+0x1d/0x40 [cifs]
 [<ffffffff81173ff5>] __fput+0xf5/0x210
 [<ffffffff8116d500>] ? generic_file_open+0x0/0x30
 [<ffffffff81174135>] fput+0x25/0x30
 [<ffffffff8116fc0e>] __dentry_open+0x27e/0x360
 [<ffffffff811b0b2a>] ? inotify_d_instantiate+0x2a/0x60
 [<ffffffff8116fe89>] lookup_instantiate_filp+0x69/0x90
 [<ffffffffa039072d>] cifs_create+0x6cd/0x9d0 [cifs]
 [<ffffffff8117e6c3>] ? generic_permission+0x23/0xb0
 [<ffffffff8117fd14>] vfs_create+0xb4/0xe0
 [<ffffffff81182eaa>] do_filp_open+0xb6a/0xd90
 [<ffffffff8118f0a2>] ? alloc_fd+0x92/0x160
 [<ffffffff8116f849>] do_sys_open+0x69/0x140
 [<ffffffff8116f960>] sys_open+0x20/0x30
 [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b
Code: 14 e1 e9 2d fe ff ff 0f 1f 00 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c 89 65 e0 4c 89 6d e8 4c 89 75 f0 4c 89 7d f8 0f 1f 44 00 00 <48> 8b 47 30 48 89 fb 4c 8b 70 10 48 8b 47 40 48 c7 c7 14 b4 3b 
RIP  [<ffffffffa0391991>] cifsFileInfo_put+0x21/0x210 [cifs]
 RSP <ffff880429d73b38>
CR2: 0000000000000030