UEK3 Kernel panic at RIP: ipc_has_perm+0x3e/0x50 (Doc ID 2169739.1)

Last updated on JUNE 27, 2017

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] and later
Linux x86-64

Symptoms

UEK3 Kernel has random panic:

KERNEL: /share/linuxrpm/vmlinux_repo/64/3.8.13-68.3.4.el6uek.x86_64/vmlinux
DUMPFILE: vmcore [PARTIAL DUMP]
CPUS: 8
DATE: Sun Apr 17 05:00:03 2016
UPTIME: 64 days, 14:28:12
LOAD AVERAGE: 0.02, 0.05, 0.06
TASKS: 600
NODENAME: HOST1
RELEASE: 3.8.13-68.3.4.el6uek.x86_64
VERSION: #2 SMP Tue Jul 14 15:03:36 PDT 2015
MACHINE: x86_64 (2399 Mhz)
MEMORY: 32 GB
PANIC: "BUG: unable to handle kernel NULL pointer dereference at (null)"
PID: 41232
COMMAND: "opcmon"
TASK: ffff8803dc9d85c0 [THREAD_INFO: ffff8801931c8000]
CPU: 6
STATE: TASK_RUNNING (PANIC)

[5572968.092991] BUG: unable to handle kernel NULL pointer dereference at (null)
[5572968.092998] IP: [<ffffffff8123186e>] ipc_has_perm+0x3e/0x50
[5572968.093008] PGD 828a28067 PUD 82438f067 PMD 0
[5572968.093011] Oops: 0000 [#1] SMP
[5572968.093013] Modules linked in: fuse autofs4 8021q garp stp llc cpufreq_ondemand pcc_cpufreq ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_round_robin dm_multipath uinput sg serio_raw iTCO_wdt iTCO_vendor_support ses enclosure hpilo hpwdt coretemp hwmon freq_table mperf intel_powerclamp kvm_intel kvm ghash_clmulni_intel microcode pcspkr lpc_ich mfd_core ioatdma dca shpchp ext4 jbd2 mbcache sd_mod crc_t10dif video qla2xxx scsi_transport_fc scsi_tgt hpsa be2net aesni_intel ablk_helper cryptd lrw aes_x86_64 xts gf128mul crc32c_intel be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi dm_mirror dm_region_hash dm_log dm_mod
[5572968.093064] CPU 6
[5572968.093067] Pid: 41232, comm: opcmon Tainted: G W 3.8.13-68.3.4.el6uek.x86_64 #2 HP ProLiant BL460c Gen8
[5572968.093069] RIP: 0010:[<ffffffff8123186e>] [<ffffffff8123186e>] ipc_has_perm+0x3e/0x50
[5572968.093072] RSP: 0018:ffff8801931c9c68 EFLAGS: 00010246
[5572968.093074] RAX: 000000000104fda9 RBX: ffff88065d0b59d0 RCX: 0000000000000100
[5572968.093075] RDX: ffff88042750f7e0 RSI: 0000000000000000 RDI: 00000000000007d5
[5572968.093076] RBP: ffff8801931c9c88 R08: ffff8801931c9c68 R09: 0000000000000000
[5572968.093077] R10: 0000000000000006 R11: 0000000000000202 R12: ffffffff81930b80
[5572968.093078] R13: 0000000000000092 R14: 00000000fffffff9 R15: 0000000000000000
[5572968.093079] FS: 00007ff119862720(0000) GS:ffff88083f640000(0000) knlGS:0000000000000000
[5572968.093081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[5572968.093082] CR2: 0000000000000000 CR3: 0000000455644000 CR4: 00000000000407e0
[5572968.093083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[5572968.093084] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[5572968.093086] Process opcmon (pid: 41232, threadinfo ffff8801931c8000, task ffff8803dc9d85c0)
[5572968.093086] Stack:
[5572968.093088] ffff8801931c9c04 ffff88060104fda9 0000000000000001 0000000000000001
[5572968.093092] ffff8801931c9c98 ffffffff81231900 ffff8801931c9ca8 ffffffff8122c409
[5572968.093094] ffff8801931c9ce8 ffffffff8121a076 ffff8801931c9cc8 0000000000000001
[5572968.093097] Call Trace:
[5572968.093102] [<ffffffff81231900>] selinux_ipc_permission+0x30/0x50
[5572968.093108] [<ffffffff8122c409>] security_ipc_permission+0x19/0x20
[5572968.093111] [<ffffffff8121a076>] ipcperms+0xa6/0x100
[5572968.093114] [<ffffffff8121e0c3>] sys_semtimedop+0x253/0x760
[5572968.093120] [<ffffffff8115d9a5>] ? __handle_mm_fault+0x125/0x1f0
[5572968.093122] [<ffffffff8115db22>] ? handle_mm_fault+0xb2/0x1a0
[5572968.093129] [<ffffffff8159ed98>] ? __do_page_fault+0x278/0x4d0
[5572968.093133] [<ffffffff8114d176>] ? vm_mmap_pgoff+0x96/0xb0
[5572968.093135] [<ffffffff8121e5e0>] sys_semop+0x10/0x20
[5572968.093138] [<ffffffff815a3879>] system_call_fastpath+0x16/0x1b
[5572968.093139] Code: b7 00 00 48 8b 92 58 06 00 00 48 89 f8 89 f1 48 8b 70 30 4c 8d 45 e0 45 31 c9 48 8b 52 70 8b 7a 04 c6 45 e0 04 8b 40 0c 89 45 e8 <0f> b7 16 8b 76 04 e8 67 d7 ff ff c9 c3 0f 1f 44 00 00 55 48 89
[5572968.093165] RIP [<ffffffff8123186e>] ipc_has_perm+0x3e/0x50
[5572968.093168] RSP <ffff8801931c9c68>
[5572968.093169] CR2: 0000000000000000

 

 



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