Kernel panic in s_show() due to slab corruption.

Issue

• Kernel panic with following call traces;

general protection fault: 0000 [1] SMP                                 
last sysfs file: /devices/pci0000:00/0000:00:15.0/0000:03:00.0/irq
CPU 0 
Modules linked in: netconsole nfs nfs_acl ipv6 xfrm_nalgo crypto_api lockd sunrpc vmsync(U) vsock(U) vmmemctl(U) acpiphp dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec dell_wmi wmi button battery asus_acpi acpi_memhotplug ac lp ide_cd vmci(U) parport_pc parport cdrom i2c_piix4 i2c_core floppy tpm_tis tpm serio_raw shpchp tpm_bios sg pcspkr pvscsi(U) vmxnet3(U) vmxnet(U) dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod ata_piix libata mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 3366, comm: cat Tainted: G     --------------------    2.6.18-371.11.1.el5 #1
RIP: 0010:[<ffffffff800abb29>]  [<ffffffff800abb29>] s_show+0xb1/0x291  <<<<
RSP: 0018:ffff8108b0203e18  EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff81012ae9a6c0 RCX: 6920617969726168
RDX: 6920617969726168 RSI: 0000000000000006 RDI: ffff81012ae9a700
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000006
R10: 0000000000000000 R11: 000000000000000a R12: ffff81012aebe280
R13: ffffffff802c40ad R14: 0000000000000000 R15: ffff810b6bb9b9c0
FS:  00002b7fd7ad76e0(0000) GS:ffffffff80436000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000633928 CR3: 00000008b01d6000 CR4: 00000000000006a0
Process cat (pid: 3366, threadinfo ffff8108b0202000, task ffff810b77798830)
Stack:  0000000000000000 000000000005884e 000000000000ec0d 0000000000000000
 0000000000000000 ffff810b6bb9b9c0 ffff81012aebe280 0000000000000cf9
 0000000000001000 0000000000000000 000000000997f000 ffffffff8003facb
Call Trace:
 [<ffffffff8003facb>] seq_read+0x1b8/0x28c
 [<ffffffff8010c66f>] proc_reg_read+0x7e/0x99
 [<ffffffff8000b735>] vfs_read+0xcb/0x171
 [<ffffffff80011d9a>] sys_read+0x45/0x6e
 [<ffffffff8005d29e>] tracesys+0xd5/0xdf

Code: 48 8b 0a 0f 18 09 48 8d 43 10 48 39 c2 75 c7 48 8b 03 eb 40 
RIP  [<ffffffff800abb29>] s_show+0xb1/0x291
 RSP <ffff8108b0203e18>