======================================
| make: Leaving directory '/home/virtme/testing-22/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  229.248476][ T1249] iperf3 invoked oom-killer: gfp_mask=0xc2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), order=0, oom_score_adj=0
[  229.249810][ T1249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  229.249814][ T1249] Call Trace:
[  229.249818][ T1249]  <TASK>
[ 229.249821][ T1249] dump_stack_lvl (lib/dump_stack.c:123) 
[ 229.249856][ T1249] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 229.249882][ T1249] oom_kill_process (mm/oom_kill.c:1041) 
[ 229.249888][ T1249] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 229.249893][ T1249] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 229.249907][ T1249] __alloc_pages_may_oom (mm/page_alloc.c:3645) 
[ 229.249919][ T1249] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3577) 
[ 229.249938][ T1249] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4433) 
[ 229.249950][ T1249] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 229.249954][ T1249] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 229.249970][ T1249] __alloc_frozen_pages_noprof (mm/page_alloc.c:4753) 
[ 229.249976][ T1249] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4706) 
[ 229.249981][ T1249] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:774) 
[ 229.249994][ T1249] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 229.250010][ T1249] ? 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) 
[ 229.250015][ T1249] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 229.250017][ T1249] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 229.250024][ T1249] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 229.250036][ T1249] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 229.250049][ T1249] allocate_slab (mm/slub.c:2423 mm/slub.c:2595) 
[ 229.250059][ T1249] ___slab_alloc (mm/slub.c:3826 (discriminator 3)) 
[ 229.250064][ T1249] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 229.250067][ T1249] ? kmalloc_reserve (net/core/skbuff.c:580 (discriminator 2)) 
[ 229.250081][ T1249] ? ___slab_alloc (mm/slub.c:3658) 
[ 229.250098][ T1249] ? kmem_cache_alloc_node_noprof (mm/slub.c:3916 mm/slub.c:3991 mm/slub.c:4152 mm/slub.c:4216) 
[ 229.250102][ T1249] kmem_cache_alloc_node_noprof (mm/slub.c:3916 mm/slub.c:3991 mm/slub.c:4152 mm/slub.c:4216) 
[ 229.250105][ T1249] ? __create_object (mm/kmemleak.c:766) 
[ 229.250114][ T1249] ? kmalloc_reserve (net/core/skbuff.c:580 (discriminator 2)) 
[ 229.250121][ T1249] kmalloc_reserve (net/core/skbuff.c:580 (discriminator 2)) 
[ 229.250123][ T1249] ? ip6_mtu (net/ipv6/route.c:3225) 
[ 229.250141][ T1249] __alloc_skb (net/core/skbuff.c:668) 
[ 229.250148][ T1249] ? __pfx___alloc_skb (net/core/skbuff.c:641) 
[ 229.250153][ T1249] ? skb_copy_datagram_from_iter (./include/linux/skbuff.h:374 net/core/datagram.c:578) 
[ 229.250160][ T1249] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 229.250171][ T1249] tcp_stream_alloc_skb (./include/linux/skbuff.h:1389 net/ipv4/tcp.c:894) 
[ 229.250187][ T1249] tcp_sendmsg_locked (net/ipv4/tcp.c:1176) 
[ 229.250211][ T1249] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 229.250216][ T1249] ? 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) 
[ 229.250220][ T1249] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 229.250227][ T1249] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 229.250239][ T1249] tcp_sendmsg (net/ipv4/tcp.c:1367) 
[ 229.250243][ T1249] sock_write_iter (net/socket.c:709 net/socket.c:724 net/socket.c:1128) 
[ 229.250251][ T1249] ? __pfx_sock_write_iter (net/socket.c:1112) 
[ 229.250268][ T1249] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 229.250277][ T1249] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 229.250288][ T1249] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 229.250294][ T1249] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 229.250302][ T1249] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1051) 
[ 229.250334][ T1249] ksys_write (fs/read_write.c:731) 
[ 229.250339][ T1249] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 229.250353][ T1249] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 229.250364][ T1249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  229.250377][ T1249] RIP: 0033:0x7f74de9cebaf
[ 229.250390][ T1249] Code: Unable to access opcode bytes at 0x7f74de9ceb85.

Code starting with the faulting instruction
===========================================
[  229.250394][ T1249] RSP: 002b:00007f74db8abcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  229.250400][ T1249] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f74de9cebaf
[  229.250402][ T1249] RDX: 0000000000020000 RSI: 00007f74de1f2000 RDI: 000000000000000f
[  229.250404][ T1249] RBP: 00007f74de1f2000 R08: 0000000000000002 R09: 00007fff452d9bbf
[  229.250406][ T1249] R10: 0000000000000008 R11: 0000000000000246 R12: 000000000000000f


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