======================================
| ^C
| WAIT TIMEOUT stdout
|
| [ 1898.091985][ T8848] ip invoked oom-killer: gfp_mask=0xc2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), order=2, oom_score_adj=0
[ 1898.093326][ T8848] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1898.093705][ T8848] Call Trace:
[ 1898.093841][ T8848]  <TASK>
[ 1898.093935][ T8848] dump_stack_lvl (lib/dump_stack.c:117) 
[ 1898.094127][ T8848] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:463) 
[ 1898.094307][ T8848] oom_kill_process (mm/oom_kill.c:1036) 
[ 1898.094492][ T8848] out_of_memory (mm/oom_kill.c:1175 (discriminator 4)) 
[ 1898.094667][ T8848] ? __pfx_out_of_memory (mm/oom_kill.c:1108) 
[ 1898.094848][ T8848] ? __alloc_pages_may_oom (mm/page_alloc.c:3523) 
[ 1898.095035][ T8848] __alloc_pages_may_oom (mm/page_alloc.c:3575) 
[ 1898.095212][ T8848] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3507) 
[ 1898.095443][ T8848] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4337) 
[ 1898.095668][ T8848] ? get_page_from_freelist (mm/page_alloc.c:3158 mm/page_alloc.c:3351) 
[ 1898.095844][ T8848] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4131) 
[ 1898.096072][ T8848] __alloc_pages_noprof (mm/page_alloc.c:4673) 
[ 1898.096246][ T8848] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4626) 
[ 1898.096421][ T8848] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 1898.096595][ T8848] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 1898.096738][ T8848] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 1898.096916][ T8848] alloc_slab_page (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:2264) 
[ 1898.097096][ T8848] allocate_slab (mm/slub.c:2435) 
[ 1898.097272][ T8848] ___slab_alloc (mm/slub.c:3666 (discriminator 3)) 
[ 1898.097445][ T8848] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 1898.097614][ T8848] ? kmalloc_node_trace_noprof (./include/linux/mm.h:1664 ./include/linux/mm.h:1662 ./include/linux/mm.h:1670 mm/slab.h:194 mm/slub.c:3227 mm/slub.c:3224 mm/slub.c:3808 mm/slub.c:3988 mm/slub.c:4160) 
[ 1898.097824][ T8848] ? __alloc_skb (net/core/skbuff.c:667) 
[ 1898.097997][ T8848] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 ./arch/x86/include/asm/irqflags.h:104 kernel/locking/lockdep.c:5653) 
[ 1898.098183][ T8848] ? kmalloc_node_track_caller_noprof (mm/slub.c:3756 mm/slub.c:3809 mm/slub.c:3988 mm/slub.c:4120 mm/slub.c:4141) 
[ 1898.098400][ T8848] kmalloc_node_track_caller_noprof (mm/slub.c:3756 mm/slub.c:3809 mm/slub.c:3988 mm/slub.c:4120 mm/slub.c:4141) 
[ 1898.098614][ T8848] ? __create_object (mm/kmemleak.c:749) 
[ 1898.098787][ T8848] ? __alloc_skb (net/core/skbuff.c:667) 
[ 1898.098963][ T8848] kmalloc_reserve (net/core/skbuff.c:601) 
[ 1898.099134][ T8848] ? netlink_dump (net/netlink/af_netlink.c:2277) 
[ 1898.099307][ T8848] __alloc_skb (net/core/skbuff.c:667) 
[ 1898.099485][ T8848] ? __pfx___alloc_skb (net/core/skbuff.c:640) 
[ 1898.099661][ T8848] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1898.099841][ T8848] netlink_dump (net/netlink/af_netlink.c:2305) 
[ 1898.100016][ T8848] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) 
[ 1898.100235][ T8848] ? __pfx_netlink_dump (net/netlink/af_netlink.c:2265) 
[ 1898.100430][ T8848] ? kmem_cache_free (mm/slub.c:4436 mm/slub.c:4511) 
[ 1898.100602][ T8848] ? netlink_recvmsg (net/netlink/af_netlink.c:1985) 
[ 1898.100777][ T8848] netlink_recvmsg (net/netlink/af_netlink.c:1988) 
[ 1898.100953][ T8848] ? __pfx_netlink_recvmsg (net/netlink/af_netlink.c:1914) 
[ 1898.101123][ T8848] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 1898.101304][ T8848] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 1898.101475][ T8848] ? __might_fault (mm/memory.c:6233 mm/memory.c:6226) 
[ 1898.101651][ T8848] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 1898.101819][ T8848] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1898.101994][ T8848] ____sys_recvmsg (net/socket.c:1046 net/socket.c:1068 net/socket.c:2804) 
[ 1898.102172][ T8848] ? __pfx_____sys_recvmsg (net/socket.c:2782) 
[ 1898.102346][ T8848] ? copy_msghdr_from_user (net/socket.c:2525) 
[ 1898.102518][ T8848] ? __pfx_copy_msghdr_from_user (net/socket.c:2511) 
[ 1898.102742][ T8848] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 52)) 
[ 1898.102916][ T8848] ? kfree (mm/slub.c:4546) 
[ 1898.103049][ T8848] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 1898.103182][ T8848] ___sys_recvmsg (net/socket.c:2847) 
[ 1898.103358][ T8848] ? __pfx____sys_recvmsg (net/socket.c:2836) 
[ 1898.103542][ T8848] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:701 arch/x86/mm/fault.c:1340) 
[ 1898.103720][ T8848] ? reacquire_held_locks (kernel/locking/lockdep.c:5279) 
[ 1898.103890][ T8848] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:701 arch/x86/mm/fault.c:1340) 
[ 1898.104065][ T8848] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 1898.104247][ T8848] __sys_recvmsg (./include/linux/file.h:34 net/socket.c:2878) 
[ 1898.104416][ T8848] ? __pfx___sys_recvmsg (net/socket.c:2864) 
[ 1898.104593][ T8848] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) 
[ 1898.104772][ T8848] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1898.104968][ T8848] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1898.105144][ T8848] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1898.105359][ T8848] RIP: 0033:0x7fcf5c75064d
[ 1898.105542][ T8848] Code: eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 41 54 48 83 ec 10 64 8b 04 25 18 00 00 00 85 c0 75 22 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5b 4c 63 e0 48 83 c4 10 4c 89 e0 41 5c c3 66
All code
========
   0:	eb b7                	jmp    0xffffffffffffffb9
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	41 54                	push   %r12
  13:	48 83 ec 10          	sub    $0x10,%rsp
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 22                	jne    0x45
  23:	b8 2f 00 00 00       	mov    $0x2f,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 5b                	ja     0x8d
  32:	4c 63 e0             	movslq %eax,%r12
  35:	48 83 c4 10          	add    $0x10,%rsp
  39:	4c 89 e0             	mov    %r12,%rax
  3c:	41 5c                	pop    %r12
  3e:	c3                   	ret
  3f:	66                   	data16

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 5b                	ja     0x63
   8:	4c 63 e0             	movslq %eax,%r12
   b:	48 83 c4 10          	add    $0x10,%rsp
   f:	4c 89 e0             	mov    %r12,%rax
  12:	41 5c                	pop    %r12
  14:	c3                   	ret
  15:	66                   	data16
[ 1898.106205][ T8848] RSP: 002b:00007ffd4c4593a0 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
[ 1898.106473][ T8848] RAX: ffffffffffffffda RBX: 0000000000008000 RCX: 00007fcf5c75064d
[ 1898.106732][ T8848] RDX: 0000000000000000 RSI: 00007ffd4c4594a0 RDI: 0000000000000005
[ 1898.107003][ T8848] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 1898.107267][ T8848] R10: 000000000420b970 R11: 0000000000000246 R12: 00007ffd4c4594a0


Finger prints:
dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_pages_noprof