======================================
| make: Leaving directory '/home/virtme/testing-22/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  325.839313][  T923] iperf3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0
[  325.840197][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.840200][  T923] Call Trace:
[  325.840202][  T923]  <TASK>
[ 325.840205][ T923] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.840217][ T923] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 325.840229][ T923] oom_kill_process (mm/oom_kill.c:1041) 
[ 325.840236][ T923] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 325.840242][ T923] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 325.840255][ T923] __alloc_pages_may_oom (mm/page_alloc.c:3820) 
[ 325.840263][ T923] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3752) 
[ 325.840282][ T923] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4622) 
[ 325.840294][ T923] ? get_page_from_freelist (mm/page_alloc.c:3405 mm/page_alloc.c:3605) 
[ 325.840299][ T923] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4390) 
[ 325.840310][ T923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 325.840320][ T923] __alloc_frozen_pages_noprof (mm/page_alloc.c:4947) 
[ 325.840326][ T923] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4900) 
[ 325.840338][ T923] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 325.840342][ T923] ? kmem_cache_alloc_node_noprof (mm/slub.c:4257) 
[ 325.840347][ T923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 325.840356][ T923] alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 325.840364][ T923] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2258) 
[ 325.840370][ T923] ? __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:134 net/core/skbuff.c:692) 
[ 325.840382][ T923] alloc_pages_noprof (mm/mempolicy.c:2372 mm/mempolicy.c:2392) 
[ 325.840388][ T923] skb_page_frag_refill (net/core/sock.c:3109 net/core/sock.c:3084) 
[ 325.840396][ T923] sk_page_frag_refill (net/core/sock.c:3120) 
[ 325.840403][ T923] tcp_sendmsg_locked (net/ipv4/tcp.c:1208) 
[ 325.840428][ T923] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 325.840436][ T923] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 325.840447][ T923] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 325.840455][ T923] tcp_sendmsg (net/ipv4/tcp.c:1369) 
[ 325.840460][ T923] sock_write_iter (net/socket.c:712 net/socket.c:727 net/socket.c:1131) 
[ 325.840466][ T923] ? __pfx_sock_write_iter (net/socket.c:1115) 
[ 325.840484][ T923] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 325.840493][ T923] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 325.840499][ T923] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 325.840503][ T923] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 325.840511][ T923] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 325.840530][ T923] ksys_write (fs/read_write.c:736) 
[ 325.840534][ T923] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 325.840537][ T923] ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1422 arch/x86/kernel/fpu/xstate.c:1466) 
[ 325.840550][ T923] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 325.840557][ T923] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.840562][  T923] RIP: 0033:0x7f4434d0dbaf
[ 325.840571][ T923] Code: Unable to access opcode bytes at 0x7f4434d0db85.

Code starting with the faulting instruction
===========================================
[  325.840573][  T923] RSP: 002b:00007f44333edcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  325.840577][  T923] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f4434d0dbaf
[  325.840579][  T923] RDX: 0000000000020000 RSI: 00007f4434591000 RDI: 0000000000000009
[  325.840581][  T923] RBP: 00007f4434591000 R08: 0000000000000002 R09: 00007ffd4fe4984f
[  325.840584][  T923] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000009


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