======================================
| 0
| xx__-> [  217.136174][ T1932] sh (1932) used greatest stack depth: 24136 bytes left
| [  219.523828][ T1938] make (1938) used greatest stack depth: 22000 bytes left
| [  220.019029][ T1389] iperf3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0
[  220.019877][ T1389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.019880][ T1389] Call Trace:
[  220.019882][ T1389]  <TASK>
[ 220.019886][ T1389] dump_stack_lvl (lib/dump_stack.c:123) 
[ 220.019899][ T1389] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 220.019914][ T1389] oom_kill_process (mm/oom_kill.c:1041) 
[ 220.019921][ T1389] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 220.019926][ T1389] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 220.019940][ T1389] __alloc_pages_may_oom (mm/page_alloc.c:3645) 
[ 220.019948][ T1389] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3577) 
[ 220.019968][ T1389] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4432) 
[ 220.019980][ T1389] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 220.019985][ T1389] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 220.020002][ T1389] __alloc_frozen_pages_noprof (mm/page_alloc.c:4752) 
[ 220.020007][ T1389] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4705) 
[ 220.020011][ T1389] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 220.020022][ T1389] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 220.020027][ T1389] ? kmem_cache_alloc_node_noprof (mm/slub.c:4221) 
[ 220.020030][ T1389] ? __create_object (mm/kmemleak.c:766) 
[ 220.020044][ T1389] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 220.020051][ T1389] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 220.020057][ T1389] ? __alloc_skb (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:125 net/core/skbuff.c:692) 
[ 220.020070][ T1389] alloc_pages_noprof (mm/mempolicy.c:2341 mm/mempolicy.c:2361) 
[ 220.020076][ T1389] skb_page_frag_refill (net/core/sock.c:3100 net/core/sock.c:3075) 
[ 220.020084][ T1389] sk_page_frag_refill (net/core/sock.c:3111) 
[ 220.020093][ T1389] tcp_sendmsg_locked (net/ipv4/tcp.c:1206) 
[ 220.020120][ T1389] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 220.020126][ T1389] ? 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:230) 
[ 220.020132][ T1389] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 220.020140][ T1389] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 220.020152][ T1389] tcp_sendmsg (net/ipv4/tcp.c:1367) 
[ 220.020157][ T1389] sock_write_iter (net/socket.c:709 net/socket.c:724 net/socket.c:1128) 
[ 220.020166][ T1389] ? __pfx_sock_write_iter (net/socket.c:1112) 
[ 220.020184][ T1389] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 220.020194][ T1389] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 220.020202][ T1389] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 220.020208][ T1389] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 220.020217][ T1389] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1051) 
[ 220.020240][ T1389] ksys_write (fs/read_write.c:731) 
[ 220.020245][ T1389] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 220.020259][ T1389] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 220.020267][ T1389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  220.020273][ T1389] RIP: 0033:0x7fe8f0ff5baf
[ 220.020284][ T1389] Code: Unable to access opcode bytes at 0x7fe8f0ff5b85.

Code starting with the faulting instruction
===========================================
[  220.020286][ T1389] RSP: 002b:00007fe8ed6d1cd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  220.020289][ T1389] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007fe8f0ff5baf
[  220.020292][ T1389] RDX: 0000000000020000 RSI: 00007fe8f07f9000 RDI: 0000000000000011
[  220.020293][ T1389] RBP: 00007fe8f07f9000 R08: 0000000000000002 R09: 00007ffea4eb889f
[  220.020296][ T1389] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000011


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