======================================
| [  896.716250][ T3870] TCP: Found non-dmabuf skb with net_iov
| [  896.716496][ T3870] TCP: Found non-dmabuf skb with net_iov
| [  896.716744][ T3870] TCP: Found non-dmabuf skb with net_iov
| [  900.578010][ T3870] ncdevmem invoked oom-killer: gfp_mask=0x500cc2(GFP_HIGHUSER|__GFP_ACCOUNT), order=0, oom_score_adj=0
[  900.579129][ T3870] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  900.579131][ T3870] Call Trace:
[  900.579134][ T3870]  <TASK>
[  900.579136][ T3870]  dump_stack_lvl (lib/dump_stack.c:123)
[  900.579149][ T3870]  dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468)
[  900.579160][ T3870]  oom_kill_process (mm/oom_kill.c:1048)
[  900.579166][ T3870]  out_of_memory (mm/oom_kill.c:1187 (discriminator 4))
[  900.579178][ T3870]  ? oom_killer_disable (mm/oom_kill.c:1120)
[  900.579189][ T3870]  __alloc_pages_may_oom (mm/page_alloc.c:4093)
[  900.579196][ T3870]  ? __alloc_pages_direct_compact (mm/page_alloc.c:4025)
[  900.579214][ T3870]  __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4898)
[  900.579227][ T3870]  ? warn_alloc (mm/page_alloc.c:4663)
[  900.579244][ T3870]  __alloc_frozen_pages_noprof (mm/page_alloc.c:5223)
[  900.579249][ T3870]  ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:5176)
[  900.579251][ T3870]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:755 kernel/locking/mutex.c:776)
[  900.579259][ T3870]  ? anon_pipe_write (fs/pipe.c:460)
[  900.579271][ T3870]  ? ww_mutex_lock (kernel/locking/mutex.c:775)
[  900.579279][ T3870]  alloc_pages_mpol (mm/mempolicy.c:2488)
[  900.579287][ T3870]  ? policy_nodemask (mm/mempolicy.c:2443)
[  900.579293][ T3870]  ? anon_pipe_write (fs/pipe.c:597)
[  900.579296][ T3870]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  900.579306][ T3870]  alloc_pages_noprof (mm/mempolicy.c:2557 mm/mempolicy.c:2577)
[  900.579312][ T3870]  anon_pipe_write (fs/pipe.c:124 fs/pipe.c:515)
[  900.579327][ T3870]  ? anon_pipe_put_page (fs/pipe.c:432)
[  900.579331][ T3870]  ? ___sys_recvmsg (net/socket.c:2844)
[  900.579338][ T3870]  ? ___sys_recvmsg (net/socket.c:2844)
[  900.579341][ T3870]  ? finish_wait (kernel/sched/wait.c:402)
[  900.579347][ T3870]  ? ___sys_sendmsg (net/socket.c:2844)
[  900.579358][ T3870]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[  900.579368][ T3870]  ? kernel_write (fs/read_write.c:667)
[  900.579384][ T3870]  ? __sys_recvmsg_sock (net/socket.c:2872)
[  900.579387][ T3870]  ? irqentry_exit (kernel/entry/common.c:220)
[  900.579398][ T3870]  ksys_write (fs/read_write.c:738)
[  900.579403][ T3870]  ? __ia32_sys_read (fs/read_write.c:728)
[  900.579415][ T3870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  900.579421][ T3870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  900.579425][ T3870] RIP: 0033:0x7f55e6079257
[  900.579431][ T3870] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  900.579434][ T3870] RSP: 002b:00007fff673deec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  900.579438][ T3870] RAX: ffffffffffffffda RBX: 00007f55e61756a0 RCX: 00007f55e6079257
[  900.579441][ T3870] RDX: 0000000000000018 RSI: 00007fff673df0a0 RDI: 0000000000000002
[  900.579442][ T3870] RBP: 0000000000000018 R08: 0000000000000000 R09: 00007f55e612bd20
[  900.579444][ T3870] R10: 00007f55e612bc20 R11: 0000000000000246 R12: 0000000000000018


Finger prints:
dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_frozen_pages_noprof