Stack overran because of 'redirfs','gsch','schook' modules.

Issue

• Kernel stack overran due to redirfs,gsch,schook modules.
• Kernel Ring Buffer looks like below:-

BUG: unable to handle kernel paging request at 000000013a5b0b20
IP: [<ffffffff8105d8bc>] update_curr+0x14c/0x1f0
PGD 437319067 PUD 0 
Thread overran stack, or stack corrupted
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/online
CPU 1 
Modules linked in: gsch(U) redirfs(U) nfs lockd fscache auth_rpcgss nfs_acl sunrpc ipv6 dsa_filter(P)(U) ppdev microcode vmware_balloon parport_pc parport vmxnet3(U) i2c_piix4 i2c_core sg shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
Pid: 2183, comm: splunkd Tainted: P           ---------------    2.6.32-504.30.3.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
RIP: 0010:[<ffffffff8105d8bc>]  [<ffffffff8105d8bc>] update_curr+0x14c/0x1f0
RSP: 0018:ffff880028283d98  EFLAGS: 00010082
RAX: ffff8804356ee040 RBX: 0000000037136018 RCX: ffff88043a0a5d40
RDX: 00000000000184d0 RSI: 0000000000000000 RDI: ffff8804356ee078
RBP: ffff880028283dc8 R08: ffffffff8160e0e5 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff880028295928
R13: 00000000000f47ea R14: 00038a9ae1cd2eb4 R15: ffff8804356ee040
FS:  00007ff1a13f5700(0000) GS:ffff880028280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000013a5b0b20 CR3: 0000000437318000 CR4: 00000000001407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x6e/0xa0() (Tainted: P           ---------------   )
Hardware name: VMware Virtual Platform
list_del corruption. prev->next should be ffff880435503000, but was ffff88043712d068
Modules linked in: gsch(U) redirfs(U) nfs lockd fscache auth_rpcgss nfs_acl sunrpc ipv6 dsa_filter(P)(U) ppdev microcode vmware_balloon parport_pc parport vmxnet3(U) i2c_piix4 i2c_core sg shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
Pid: 29989, comm: ls Tainted: P           ---------------    2.6.32-504.30.3.el6.x86_64 #1
Call Trace:
 [<ffffffff81074e47>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff81074f36>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff8117361b>] ? kmem_freepages+0xeb/0x130
 [<ffffffff8129ed9e>] ? list_del+0x6e/0xa0
 [<ffffffff81175bd8>] ? free_block+0xc8/0x170
 [<ffffffff81176200>] ? kfree+0x310/0x320
 [<ffffffff811a9d70>] ? dput+0xc0/0x150
 [<ffffffffa03eaabc>] ? rfs_dcache_entry_free+0x3c/0x50 [redirfs]
 [<ffffffffa03eaaf8>] ? rfs_dcache_entry_free_list+0x28/0x40 [redirfs]
 [<ffffffffa03e5cdb>] ? rfs_readdir+0x22b/0x330 [redirfs]
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a5010>] ? vfs_readdir+0xc0/0xe0
 [<ffffffff8119cb21>] ? path_put+0x31/0x40
 [<ffffffff811a5199>] ? sys_getdents+0x89/0xf0
 [<ffffffff8100b0d2>] ? system_call_fastpath+0x16/0x1b
---[ end trace cf750a483abc938c ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x6e/0xa0() (Tainted: P        W  ---------------   )
Hardware name: VMware Virtual Platform
list_del corruption. prev->next should be ffff88043712d000, but was ffff88043712d168
Modules linked in: gsch(U) redirfs(U) nfs lockd fscache auth_rpcgss nfs_acl sunrpc ipv6 dsa_filter(P)(U) ppdev microcode vmware_balloon parport_pc parport vmxnet3(U) i2c_piix4 i2c_core sg shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
Pid: 29989, comm: ls Tainted: P        W  ---------------    2.6.32-504.30.3.el6.x86_64 #1
Call Trace:
 [<ffffffff81074e47>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff81074f36>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff8117361b>] ? kmem_freepages+0xeb/0x130
 [<ffffffff8129ed9e>] ? list_del+0x6e/0xa0
 [<ffffffff81175bd8>] ? free_block+0xc8/0x170
 [<ffffffff81176200>] ? kfree+0x310/0x320
 [<ffffffff811a9d70>] ? dput+0xc0/0x150
 [<ffffffffa03eaabc>] ? rfs_dcache_entry_free+0x3c/0x50 [redirfs]
 [<ffffffffa03eaaf8>] ? rfs_dcache_entry_free_list+0x28/0x40 [redirfs]
 [<ffffffffa03e5cdb>] ? rfs_readdir+0x22b/0x330 [redirfs]
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a4d90>] ? filldir+0x0/0xe0
 [<ffffffff811a5010>] ? vfs_readdir+0xc0/0xe0
 [<ffffffff8119cb21>] ? path_put+0x31/0x40
 [<ffffffff811a5199>] ? sys_getdents+0x89/0xf0
 [<ffffffff8100b0d2>] ? system_call_fastpath+0x16/0x1b
---[ end trace cf750a483abc938d ]---
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process splunkd (pid: 2183, threadinfo ffff880437136000, task ffff8804356ee040)
Stack:
 ffff880028283da8 ffffffff81015413 ffff8804356ee078 ffff880028295928
<d> 0000000000000000 0000000000000000 ffff880028283df8 ffffffff8105dceb
<d> ffff8800282958c0 0000000000000001 00000000000158c0 0000000000000001
Call Trace:
 <IRQ> 
 [<ffffffff81015413>] ? native_sched_clock+0x13/0x80
 [<ffffffff8105dceb>] task_tick_fair+0xdb/0x160
 [<ffffffff81060de1>] scheduler_tick+0xc1/0x260
 [<ffffffff810b08b0>] ? tick_sched_timer+0x0/0xc0
 [<ffffffff8108765e>] update_process_times+0x6e/0x90
 [<ffffffff810b0916>] tick_sched_timer+0x66/0xc0
 [<ffffffff810f08fa>] ? __rcu_process_callbacks+0x25a/0x350
 [<ffffffff810a34ae>] __run_hrtimer+0x8e/0x1d0
 [<ffffffff810aa8df>] ? ktime_get_update_offsets+0x4f/0xd0
 [<ffffffff810a3846>] hrtimer_interrupt+0xe6/0x260
 [<ffffffff8103427d>] local_apic_timer_interrupt+0x3d/0x70
 [<ffffffff81533d55>] smp_apic_timer_interrupt+0x45/0x60
 [<ffffffff8100bc13>] apic_timer_interrupt+0x13/0x20
 <EOI> 
Code: a3 00 45 85 c9 74 38 48 8b 50 08 8b 5a 18 48 8b 90 10 09 00 00 48 8b 4a 50 48 85 c9 74 21 48 63 db 66 0f 1f 44 00 00 48 8b 51 20 <48> 03 14 dd 60 0a c0 81 4c 01 2a 48 8b 49 78 48 85 c9 75 e8 48 
RIP  [<ffffffff8105d8bc>] update_curr+0x14c/0x1f0
 RSP <ffff880028283d98>
CR2: 000000013a5b0b20