======================================
| [ 1611.657772][ T10] net_rx_action (net/core/dev.c:6791 net/core/dev.c:6907) 
| [ 1611.657772][ T10] __do_softirq (kernel/softirq.c:554) 
| [ 1611.657772][   T10]
| [ 1614.565911][T10629] ip invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[ 1614.567786][T10629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1614.568178][T10629] Call Trace:
[ 1614.568311][T10629]  <TASK>
[1614.568401][T10629] dump_stack_lvl (lib/dump_stack.c:117) 
[1614.568579][T10629] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:463) 
[1614.568753][T10629] oom_kill_process (mm/oom_kill.c:1037) 
[1614.568921][T10629] out_of_memory (mm/oom_kill.c:1176 (discriminator 4)) 
[1614.569095][T10629] ? __pfx_out_of_memory (mm/oom_kill.c:1109) 
[1614.569279][T10629] __alloc_pages_may_oom (mm/page_alloc.c:3490) 
[1614.569455][T10629] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3422) 
[1614.569681][T10629] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4252) 
[1614.570129][T10629] ? get_page_from_freelist (mm/page_alloc.c:3073 mm/page_alloc.c:3266) 
[1614.570305][T10629] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4046) 
[1614.570520][T10629] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[1614.570691][T10629] __alloc_pages (mm/page_alloc.c:4588) 
[1614.570856][T10629] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[1614.571030][T10629] ? xas_start (./include/linux/xarray.h:1200 lib/xarray.c:190) 
[1614.571210][T10629] ? filemap_get_entry (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/filemap.c:1834) 
[1614.571395][T10629] alloc_pages_mpol (mm/mempolicy.c:2266) 
[1614.571610][T10629] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2222) 
[1614.571789][T10629] ? down_read (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1263 kernel/locking/rwsem.c:1528) 
[1614.571918][T10629] ? filemap_fault (mm/filemap.c:3297) 
[1614.572112][T10629] __filemap_get_folio (mm/filemap.c:1926) 
[1614.572276][T10629] filemap_fault (mm/filemap.c:3299) 
[1614.572448][T10629] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1614.572608][T10629] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[1614.572771][T10629] ? __pfx_filemap_fault (mm/filemap.c:3250) 
[1614.572935][T10629] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1614.573096][T10629] ? __pfx_filemap_map_pages (mm/filemap.c:3565) 
[1614.573267][T10629] __do_fault (mm/memory.c:4531) 
[1614.573393][T10629] do_pte_missing (mm/memory.c:4894 mm/memory.c:5024 mm/memory.c:3880) 
[1614.573560][T10629] __handle_mm_fault (mm/memory.c:5441) 
[1614.573719][T10629] ? __pfx___handle_mm_fault (mm/memory.c:5352) 
[1614.573882][T10629] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[1614.574057][T10629] ? lock_vma_under_rcu (mm/memory.c:5787) 
[1614.574223][T10629] handle_mm_fault (mm/memory.c:5610) 
[1614.574382][T10629] ? __pfx_handle_mm_fault (mm/memory.c:5576) 
[1614.574553][T10629] do_user_addr_fault (arch/x86/mm/fault.c:1362) 
[1614.574710][T10629] ? irqentry_enter_from_user_mode (./include/linux/entry-common.h:117 kernel/entry/common.c:225) 
[1614.574913][T10629] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1513 arch/x86/mm/fault.c:1563) 
[1614.575073][T10629] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1614.575233][T10629] RIP: 0033:0x7f7eec48259c
[ 1614.575445][T10629] Code: 4b 68 48 03 41 08 48 89 44 24 10 48 8b 83 00 03 00 00 48 85 c0 0f 84 db 00 00 00 48 8b 7c 24 20 8b 4c 24 30 23 8b f8 02 00 00 <48> 8b 04 c8 8b 8b fc 02 00 00 48 89 fe 48 d3 ee 48 89 f1 48 89 c6
All code
========
   0:	4b 68 48 03 41 08    	rex.WXB push $0x8410348
   6:	48 89 44 24 10       	mov    %rax,0x10(%rsp)
   b:	48 8b 83 00 03 00 00 	mov    0x300(%rbx),%rax
  12:	48 85 c0             	test   %rax,%rax
  15:	0f 84 db 00 00 00    	je     0xf6
  1b:	48 8b 7c 24 20       	mov    0x20(%rsp),%rdi
  20:	8b 4c 24 30          	mov    0x30(%rsp),%ecx
  24:	23 8b f8 02 00 00    	and    0x2f8(%rbx),%ecx
  2a:*	48 8b 04 c8          	mov    (%rax,%rcx,8),%rax		<-- trapping instruction
  2e:	8b 8b fc 02 00 00    	mov    0x2fc(%rbx),%ecx
  34:	48 89 fe             	mov    %rdi,%rsi
  37:	48 d3 ee             	shr    %cl,%rsi
  3a:	48 89 f1             	mov    %rsi,%rcx
  3d:	48 89 c6             	mov    %rax,%rsi

Code starting with the faulting instruction
===========================================
   0:	48 8b 04 c8          	mov    (%rax,%rcx,8),%rax
   4:	8b 8b fc 02 00 00    	mov    0x2fc(%rbx),%ecx
   a:	48 89 fe             	mov    %rdi,%rsi
   d:	48 d3 ee             	shr    %cl,%rsi
  10:	48 89 f1             	mov    %rsi,%rcx
  13:	48 89 c6             	mov    %rax,%rsi
[ 1614.576012][T10629] RSP: 002b:00007ffcce93fd70 EFLAGS: 00010202
[ 1614.576216][T10629] RAX: 00007f7eec1a23f8 RBX: 00007f7eec3b4500 RCX: 0000000000000001
[ 1614.576457][T10629] RDX: 00000000000003ff RSI: 0000000000000000 RDI: 000000003e09c05c
[ 1614.576745][T10629] RBP: 0000000000000007 R08: 0000000000000001 R09: 00007f7eec4aa4e0
[ 1614.576979][T10629] R10: 00007ffcce93ff40 R11: 00007f7eec1a6ad8 R12: 000000000000000b
[ 1614.577212][T10629] R13: 00007f7eec3b5650 R14: 00007f7eec3d8888 R15: 0000000000000000
| [ 1614.619245][T10629] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,task=pmtu.sh,pid=10585,uid=0
| [ 1614.619853][T10629] Out of memory: Killed process 10585 (pmtu.sh) total-vm:14800kB, anon-rss:1724kB, file-rss:256kB, shmem-rss:0kB, UID:0 pgtables:48kB oom_score_adj:0
| [ 1614.706434][T10629] ip (10629) used greatest stack depth: 21696 bytes left
| [ 1616.380877][T10634] ip invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[ 1616.381500][T10634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1616.381853][T10634] Call Trace:
[ 1616.381972][T10634]  <TASK>
[1616.382059][T10634] dump_stack_lvl (lib/dump_stack.c:117) 
[1616.382225][T10634] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:463) 
[1616.382393][T10634] oom_kill_process (mm/oom_kill.c:1037) 
[1616.382556][T10634] out_of_memory (mm/oom_kill.c:1176 (discriminator 4)) 
[1616.382724][T10634] ? __pfx_out_of_memory (mm/oom_kill.c:1109) 
[1616.382894][T10634] __alloc_pages_may_oom (mm/page_alloc.c:3490) 
[1616.383058][T10634] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3422) 
[1616.383271][T10634] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4252) 
[1616.383486][T10634] ? get_page_from_freelist (mm/page_alloc.c:3073 mm/page_alloc.c:3266) 
[1616.383644][T10634] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4046) 
[1616.383852][T10634] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[1616.384015][T10634] __alloc_pages (mm/page_alloc.c:4588) 
[1616.384176][T10634] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[1616.384339][T10634] ? xas_start (./include/linux/xarray.h:1200 lib/xarray.c:190) 
[1616.384512][T10634] ? filemap_get_entry (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/filemap.c:1834) 
[1616.384685][T10634] alloc_pages_mpol (mm/mempolicy.c:2266) 
[1616.384849][T10634] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2222) 
[1616.385011][T10634] ? down_read (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1263 kernel/locking/rwsem.c:1528) 
[1616.385129][T10634] ? filemap_fault (mm/filemap.c:3297) 
[1616.385297][T10634] __filemap_get_folio (mm/filemap.c:1926) 
[1616.385461][T10634] filemap_fault (mm/filemap.c:3299) 
[1616.385623][T10634] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1616.385784][T10634] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[1616.385954][T10634] ? __pfx_filemap_fault (mm/filemap.c:3250) 
[1616.386122][T10634] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1616.386289][T10634] ? __pfx_filemap_map_pages (mm/filemap.c:3565) 
[1616.386458][T10634] __do_fault (mm/memory.c:4531) 
[1616.386583][T10634] do_pte_missing (mm/memory.c:4894 mm/memory.c:5024 mm/memory.c:3880) 
[1616.386743][T10634] __handle_mm_fault (mm/memory.c:5441) 
[1616.386904][T10634] ? __pfx___handle_mm_fault (mm/memory.c:5352) 
[1616.387063][T10634] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[1616.387241][T10634] ? lock_vma_under_rcu (mm/memory.c:5787) 
[1616.387405][T10634] handle_mm_fault (mm/memory.c:5610) 
[1616.387567][T10634] ? __pfx_handle_mm_fault (mm/memory.c:5576) 
[1616.387737][T10634] do_user_addr_fault (arch/x86/mm/fault.c:1362) 
[1616.387918][T10634] ? irqentry_enter_from_user_mode (./include/linux/entry-common.h:117 kernel/entry/common.c:225) 
[1616.388120][T10634] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1513 arch/x86/mm/fault.c:1563) 
[1616.388279][T10634] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1616.388449][T10634] RIP: 0033:0x7f1090f15610
[ 1616.388626][T10634] Code: Unable to access opcode bytes at 0x7f1090f155e6.

Code starting with the faulting instruction
===========================================
[ 1616.388847][T10634] RSP: 002b:00007ffd40651e08 EFLAGS: 00010202
[ 1616.389047][T10634] RAX: 00007f1090f15610 RBX: 00007f1090f64000 RCX: 0000000000000000
[ 1616.389280][T10634] RDX: 00007f1090f1e870 RSI: 0000000000000000 RDI: 00007f1090f1f060
[ 1616.389510][T10634] RBP: 00007ffd40651ed0 R08: 0000000000000000 R09: 0000000000000060
[ 1616.389741][T10634] R10: 00007ffd40651d00 R11: 00007ffd40651d00 R12: 0000000000000000
[ 1616.389981][T10634] R13: 00007f1090f64988 R14: 00007ffd40651e28 R15: 00007f1090f27940
| [ 1616.428408][T10634] [  10634]     0 10634     1266       32        0       32         0    49152        0             0 ip
| [ 1616.428807][T10634] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,task=pmtu.sh,pid=234,uid=0
| [ 1616.429325][T10634] Out of memory: Killed process 234 (pmtu.sh) total-vm:14800kB, anon-rss:1664kB, file-rss:256kB, shmem-rss:0kB, UID:0 pgtables:52kB oom_score_adj:0
| [ 1617.886075][T10631] pmtu.sh invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[ 1617.886766][T10631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1617.887116][T10631] Call Trace:
[ 1617.887237][T10631]  <TASK>
[1617.887319][T10631] dump_stack_lvl (lib/dump_stack.c:117) 
[1617.887490][T10631] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:463) 
[1617.887684][T10631] oom_kill_process (mm/oom_kill.c:1037) 
[1617.887865][T10631] out_of_memory (mm/oom_kill.c:1176 (discriminator 4)) 
[1617.888032][T10631] ? __pfx_out_of_memory (mm/oom_kill.c:1109) 
[1617.888201][T10631] __alloc_pages_may_oom (mm/page_alloc.c:3490) 
[1617.888376][T10631] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3422) 
[1617.888592][T10631] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4252) 
[1617.888802][T10631] ? get_page_from_freelist (mm/page_alloc.c:3073 mm/page_alloc.c:3266) 
[1617.888976][T10631] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4046) 
[1617.889208][T10631] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[1617.889371][T10631] __alloc_pages (mm/page_alloc.c:4588) 
[1617.889533][T10631] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[1617.889721][T10631] ? xas_start (./include/linux/xarray.h:1200 lib/xarray.c:190) 
[1617.889906][T10631] ? filemap_get_entry (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/filemap.c:1834) 
[1617.890092][T10631] alloc_pages_mpol (mm/mempolicy.c:2266) 
[1617.890254][T10631] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2222) 
[1617.890411][T10631] ? down_read (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1263 kernel/locking/rwsem.c:1528) 
[1617.890531][T10631] ? filemap_fault (mm/filemap.c:3297) 
[1617.890695][T10631] __filemap_get_folio (mm/filemap.c:1926) 
[1617.890861][T10631] filemap_fault (mm/filemap.c:3299) 
[1617.891018][T10631] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1617.891176][T10631] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[1617.891337][T10631] ? __pfx_filemap_fault (mm/filemap.c:3250) 
[1617.891502][T10631] ? do_fault_around (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 mm/memory.c:4855) 
[1617.891678][T10631] ? __pfx_filemap_map_pages (mm/filemap.c:3565) 
[1617.891843][T10631] __do_fault (mm/memory.c:4531) 
[1617.891972][T10631] do_pte_missing (mm/memory.c:4894 mm/memory.c:5024 mm/memory.c:3880) 
[1617.892135][T10631] __handle_mm_fault (mm/memory.c:5441) 
[1617.892296][T10631] ? __pfx___handle_mm_fault (mm/memory.c:5352) 
[1617.892451][T10631] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[1617.892623][T10631] ? lock_vma_under_rcu (mm/memory.c:5787) 
[1617.892787][T10631] handle_mm_fault (mm/memory.c:5610) 
[1617.892957][T10631] ? __pfx_handle_mm_fault (mm/memory.c:5576) 
[1617.893128][T10631] do_user_addr_fault (arch/x86/mm/fault.c:1362) 
[1617.893296][T10631] ? irqentry_enter_from_user_mode (./include/linux/entry-common.h:117 kernel/entry/common.c:225) 
[1617.893498][T10631] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1513 arch/x86/mm/fault.c:1563) 
[1617.893658][T10631] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1617.893813][T10631] RIP: 0033:0x55dfb967aba0
[ 1617.893980][T10631] Code: Unable to access opcode bytes at 0x55dfb967ab76.

Code starting with the faulting instruction
===========================================
[ 1617.894177][T10631] RSP: 002b:00007ffcb06af778 EFLAGS: 00010246
[ 1617.894381][T10631] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000014
[ 1617.894613][T10631] RDX: 0000000000000000 RSI: 00007ffcb06af6f4 RDI: 000055dfcb0b71e0
[ 1617.894843][T10631] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcb06af6f4
[ 1617.895076][T10631] R10: 0000000000000000 R11: 8dff09c1e34d79d4 R12: 000055dfb9677620


Finger prints:
net_rx_action:__do_softirq:dump_stack_lvl:dump_header:oom_kill_process
dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_pages
dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_pages