Kernel panic in s_show() due to slab corruption.

Solution In Progress - Updated -

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>

Environment

  • Red Hat Enterprise Linux 5
  • kernel-2.6.18-371.11.1.el5
  • "proc_inode_cache" and "dentry_cache" slab cache

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.