======================================
| make: Leaving directory '/home/virtme/testing-22/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  234.841286][ T1320] iperf3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0
[  234.842010][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.842015][ T1320] Call Trace:
[  234.842019][ T1320]  <TASK>
[ 234.842022][ T1320] dump_stack_lvl (lib/dump_stack.c:123) 
[ 234.842058][ T1320] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 234.842080][ T1320] oom_kill_process (mm/oom_kill.c:1041) 
[ 234.842086][ T1320] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 234.842092][ T1320] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 234.842105][ T1320] __alloc_pages_may_oom (mm/page_alloc.c:3645) 
[ 234.842117][ T1320] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3577) 
[ 234.842136][ T1320] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4433) 
[ 234.842148][ T1320] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 234.842152][ T1320] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 234.842169][ T1320] __alloc_frozen_pages_noprof (mm/page_alloc.c:4753) 
[ 234.842174][ T1320] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4706) 
[ 234.842178][ T1320] ? __might_fault (mm/memory.c:6858 mm/memory.c:6851) 
[ 234.842191][ T1320] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 234.842197][ T1320] ? kmem_cache_alloc_node_noprof (mm/slub.c:4221) 
[ 234.842200][ T1320] ? __create_object (mm/kmemleak.c:766) 
[ 234.842217][ T1320] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 234.842227][ T1320] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 234.842233][ T1320] ? __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) 
[ 234.842254][ T1320] alloc_pages_noprof (mm/mempolicy.c:2341 mm/mempolicy.c:2361) 
[ 234.842259][ T1320] skb_page_frag_refill (net/core/sock.c:3104 net/core/sock.c:3079) 
[ 234.842266][ T1320] sk_page_frag_refill (net/core/sock.c:3115) 
[ 234.842274][ T1320] tcp_sendmsg_locked (net/ipv4/tcp.c:1206) 
[ 234.842308][ T1320] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 234.842313][ T1320] ? 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) 
[ 234.842329][ T1320] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 234.842336][ T1320] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 234.842348][ T1320] tcp_sendmsg (net/ipv4/tcp.c:1367) 
[ 234.842354][ T1320] sock_write_iter (net/socket.c:709 net/socket.c:724 net/socket.c:1128) 
[ 234.842362][ T1320] ? __pfx_sock_write_iter (net/socket.c:1112) 
[ 234.842380][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 234.842389][ T1320] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 234.842398][ T1320] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 234.842404][ T1320] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 234.842413][ T1320] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1051) 
[ 234.842445][ T1320] ksys_write (fs/read_write.c:731) 
[ 234.842450][ T1320] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 234.842463][ T1320] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 234.842473][ T1320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  234.842486][ T1320] RIP: 0033:0x7f11198b8baf
[ 234.842498][ T1320] Code: Unable to access opcode bytes at 0x7f11198b8b85.

Code starting with the faulting instruction
===========================================
[  234.842501][ T1320] RSP: 002b:00007f111178bcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  234.842507][ T1320] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f11198b8baf
[  234.842509][ T1320] RDX: 0000000000020000 RSI: 00007f1118f9c000 RDI: 0000000000000023
[  234.842511][ T1320] RBP: 00007f1118f9c000 R08: 0000000000000002 R09: 00007ffe2eb267cf
[  234.842513][ T1320] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000023
[  234.842514][ T1320] R13: 0000000000020000 R14: 00007f111178bd60 R15: 0000561d6f544270
| [  234.899054][ T1320] [   1876]     0  1876     3366      140       87       53         0    45056        0             0 sh
| [  234.899542][ T1320] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,task=iperf3,pid=1294,uid=0
| [  234.900312][ T1320] Out of memory: Killed process 1294 (iperf3) total-vm:142584kB, anon-rss:3072kB, file-rss:136kB, shmem-rss:0kB, UID:0 pgtables:124kB oom_score_adj:0
| [  234.988403][ T1300] iperf3: page allocation failure: order:0, mode:0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[  234.989306][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.989308][ T1300] Call Trace:
[  234.989310][ T1300]  <TASK>
[ 234.989313][ T1300] dump_stack_lvl (lib/dump_stack.c:123) 
[ 234.989327][ T1300] warn_alloc (mm/page_alloc.c:3552) 
[ 234.989339][ T1300] ? __pfx_warn_alloc (mm/page_alloc.c:3531) 
[ 234.989368][ T1300] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4485) 
[ 234.989381][ T1300] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 234.989386][ T1300] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 234.989402][ T1300] __alloc_frozen_pages_noprof (mm/page_alloc.c:4753) 
[ 234.989408][ T1300] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4706) 
[ 234.989411][ T1300] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 234.989428][ T1300] ? filemap_get_entry (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/filemap.c:1878) 
[ 234.989445][ T1300] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 234.989454][ T1300] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 234.989462][ T1300] ? down_read (kernel/locking/rwsem.c:1247 kernel/locking/rwsem.c:1261 kernel/locking/rwsem.c:1526) 
[ 234.989473][ T1300] folio_alloc_noprof (mm/mempolicy.c:2361 mm/mempolicy.c:2371) 
[ 234.989478][ T1300] __filemap_get_folio (mm/filemap.c:1970) 
[ 234.989487][ T1300] filemap_fault (mm/filemap.c:3456) 
[ 234.989495][ T1300] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5371) 
[ 234.989502][ T1300] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 234.989507][ T1300] ? __pfx_filemap_fault (mm/filemap.c:3405) 
[ 234.989518][ T1300] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5371) 
[ 234.989522][ T1300] ? __pfx_filemap_map_pages (mm/filemap.c:3766) 
[ 234.989531][ T1300] __do_fault (mm/memory.c:4990) 
[ 234.989537][ T1300] do_pte_missing (mm/memory.c:5410 mm/memory.c:5544 mm/memory.c:4060) 
[ 234.989542][ T1300] ? handle_pte_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/pgtable.h:136 mm/memory.c:5901) 
[ 234.989550][ T1300] handle_pte_fault (mm/memory.c:5907) 
[ 234.989558][ T1300] ? __pfx_handle_pte_fault (mm/memory.c:5864) 
[ 234.989572][ T1300] __handle_mm_fault (mm/memory.c:6050) 
[ 234.989577][ T1300] ? __pfx___handle_mm_fault (mm/memory.c:5959) 
[ 234.989597][ T1300] ? __pfx_lock_vma_under_rcu (mm/memory.c:6375) 
[ 234.989605][ T1300] handle_mm_fault (mm/memory.c:6231) 
[ 234.989610][ T1300] ? __pfx_handle_mm_fault (mm/memory.c:6186) 
[ 234.989616][ T1300] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 234.989630][ T1300] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 234.989650][ T1300] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:147 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 234.989656][ T1300] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[  234.989662][ T1300] RIP: 0033:0x7f095d2b0b0c
[ 234.989672][ T1300] Code: Unable to access opcode bytes at 0x7f095d2b0ae2.

Code starting with the faulting instruction
===========================================
[  234.989674][ T1300] RSP: 002b:00007f095c992d20 EFLAGS: 00010246
[  234.989676][ T1300] RAX: 0000000000004c48 RBX: 0000000000004c48 RCX: 00007f095d2b0b0c
[  234.989678][ T1300] RDX: 0000000000004c48 RSI: 00007f095cb8f3b8 RDI: 0000000000000005
[  234.989680][ T1300] RBP: 00007f095cb8f3b8 R08: 0000000000000002 R09: 00007ffdaf3fb2ef
[  234.989682][ T1300] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000020000


Finger prints:
dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_frozen_pages_noprof
warn_alloc:__alloc_frozen_pages_noprof:alloc_pages_mpol:folio_alloc_noprof:__filemap_get_folio