System panics at RIP kmem_cache_shrink+0xb8
Issue
- System panics with following call traces in kernel ring buffer:
[173358.918187] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [173358.918196] IP: [<ffffffff811e0ee8>] kmem_cache_shrink+0xb8/0x250 [173358.918207] PGD 22318067 PUD 22319067 PMD 0 [173358.918210] Oops: 0000 [#1] SMP [173358.918214] Modules linked in: sctp_diag sctp dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag cfg80211 rfkill [173358.918314] shpchp i2c_piix4 vmw_vmci nfsd auth_rpcgss nfs_acl lockd grace sunrpc ipip tunnel4 ip_tunnel xt_multiport xt_addrtype xt_mark bin [173358.918357] CPU: 1 PID: 18650 Comm: kworker/1:1 Not tainted 3.10.0-693.el7.x86_64 #1 [173358.918359] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 04/14/2014 [173358.918366] Workqueue: events kmem_cache_destroy_work_func [173358.918369] task: ffff88001823af70 ti: ffff88021239c000 task.ti: ffff88021239c000 [173358.918370] RIP: 0010:[<ffffffff811e0ee8>] [<ffffffff811e0ee8>] kmem_cache_shrink+0xb8/0x250 [173358.918375] RSP: 0018:ffff88021239fda0 EFLAGS: 00010202 [173358.918377] RAX: 0000000000000000 RBX: ffff88017a3c0c00 RCX: ffff880091846600 [173358.918378] RDX: 0000000000000000 RSI: 0000000000000400 RDI: ffffffff81b1f5e0 [173358.918379] RBP: ffff88021239fe00 R08: ffffffff81b1f5e8 R09: ffffffff813227d9 [173358.918381] R10: ffff88043fc59c80 R11: ffffea0006a9ae00 R12: ffff88019cbf2d00 [173358.918383] R13: ffff88043fc56540 R14: ffff88043fc5a800 R15: 0000000000000000 [173358.918385] FS: 0000000000000000(0000) GS:ffff88043fc40000(0000) knlGS:0000000000000000 [173358.918387] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [173358.918388] CR2: 0000000000000008 CR3: 000000002231b000 CR4: 00000000000007e0 [173358.918427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [173358.918475] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [173358.918477] Stack: [173358.918479] ffff88017a3c0d90 00000018202d0000 0000000000000246 ffff880091846600 [173358.918482] 0000000000000019 ffff8800b37d4a50 ffff88001d09ec00 ffff880091846600 [173358.918485] ffff88019cbf2d00 ffff88043fc56540 ffff88043fc5a800 0000000000000040 [173358.918487] Call Trace: [173358.918494] [<ffffffff811f0005>] kmem_cache_destroy_work_func+0x55/0x70 [173358.918500] [<ffffffff810a881a>] process_one_work+0x17a/0x440 [173358.918503] [<ffffffff810a94e6>] worker_thread+0x126/0x3c0 [173358.918507] [<ffffffff810a93c0>] ? manage_workers.isra.24+0x2a0/0x2a0 [173358.918511] [<ffffffff810b098f>] kthread+0xcf/0xe0 [173358.918514] [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40 [173358.918519] [<ffffffff816b4f18>] ret_from_fork+0x58/0x90 [173358.918522] [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40 [173358.918523] Code: 00 8b 45 c0 83 e8 01 89 45 ac 48 c1 e0 04 48 8d 44 03 10 48 89 45 a0 0f 1f 40 00 48 63 45 c4 48 8b 4d b8 4c 8b bc c1 c8 00 00 00 83 7f 08 00 0f 84 34 01 00 00 8b 55 c0 48 89 d8 85 d2 74 1b [173358.918549] RIP [<ffffffff811e0ee8>] kmem_cache_shrink+0xb8/0x250 [173358.918553] RSP <ffff88021239fda0> [173358.918554] CR2: 0000000000000008
Environment
- Red Hat Enterprise Linux 7
- kernel-3.10.0-693.el7
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.