======================================
| 0
| xx__-> [  248.404094][ T1888] sha1sum (1888) used greatest stack depth: 23976 bytes left
| [  250.546993][ T1914] cut (1914) used greatest stack depth: 23944 bytes left
| [  252.483065][ T1376] iperf3 invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[  252.484733][ T1376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  252.484735][ T1376] Call Trace:
[  252.484737][ T1376]  <TASK>
[ 252.484740][ T1376] dump_stack_lvl (lib/dump_stack.c:123) 
[ 252.484750][ T1376] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 252.484766][ T1376] oom_kill_process (mm/oom_kill.c:1041) 
[ 252.484773][ T1376] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 252.484778][ T1376] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 252.484793][ T1376] __alloc_pages_may_oom (mm/page_alloc.c:3645) 
[ 252.484801][ T1376] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3577) 
[ 252.484822][ T1376] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4433) 
[ 252.484835][ T1376] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 252.484840][ T1376] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 252.484857][ T1376] __alloc_frozen_pages_noprof (mm/page_alloc.c:4753) 
[ 252.484863][ T1376] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4706) 
[ 252.484866][ T1376] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 252.484884][ T1376] ? filemap_get_entry (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/filemap.c:1877) 
[ 252.484898][ T1376] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 252.484906][ T1376] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 252.484915][ T1376] ? down_read (kernel/locking/rwsem.c:1247 kernel/locking/rwsem.c:1261 kernel/locking/rwsem.c:1526) 
[ 252.484925][ T1376] folio_alloc_noprof (mm/mempolicy.c:2361 mm/mempolicy.c:2371) 
[ 252.484932][ T1376] __filemap_get_folio (mm/filemap.c:1969) 
[ 252.484942][ T1376] filemap_fault (mm/filemap.c:3412) 
[ 252.484950][ T1376] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5370) 
[ 252.484957][ T1376] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 252.484962][ T1376] ? __pfx_filemap_fault (mm/filemap.c:3361) 
[ 252.484974][ T1376] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5370) 
[ 252.484978][ T1376] ? __pfx_filemap_map_pages (mm/filemap.c:3691) 
[ 252.484988][ T1376] __do_fault (mm/memory.c:4989) 
[ 252.484995][ T1376] do_pte_missing (mm/memory.c:5409 mm/memory.c:5543 mm/memory.c:4059) 
[ 252.484998][ T1376] ? handle_pte_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/pgtable.h:136 mm/memory.c:5882) 
[ 252.485007][ T1376] handle_pte_fault (mm/memory.c:5888) 
[ 252.485015][ T1376] ? __pfx_handle_pte_fault (mm/memory.c:5845) 
[ 252.485030][ T1376] __handle_mm_fault (mm/memory.c:6031) 
[ 252.485035][ T1376] ? __pfx___handle_mm_fault (mm/memory.c:5940) 
[ 252.485056][ T1376] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 252.485061][ T1376] ? __pfx_lock_vma_under_rcu (mm/memory.c:6356) 
[ 252.485069][ T1376] handle_mm_fault (mm/memory.c:6212) 
[ 252.485075][ T1376] ? __pfx_handle_mm_fault (mm/memory.c:6167) 
[ 252.485081][ T1376] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 252.485086][ T1376] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 252.485098][ T1376] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 252.485112][ T1376] 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) 
[ 252.485119][ T1376] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[  252.485124][ T1376] RIP: 0033:0x7fcd8f37cca0
[ 252.485131][ T1376] Code: Unable to access opcode bytes at 0x7fcd8f37cc76.

Code starting with the faulting instruction
===========================================
[  252.485133][ T1376] RSP: 002b:00007fcd89af7d18 EFLAGS: 00010207
[  252.485136][ T1376] RAX: 0000000000002178 RBX: 0000000000015930 RCX: 00007fcd8f41fb0c
[  252.485138][ T1376] RDX: 0000000000015930 RSI: 00007fcd8ebad6d0 RDI: 0000000000000002
[  252.485140][ T1376] RBP: 00007fcd8ebad6d0 R08: 0000000000000002 R09: 00007ffcfaecab9f
[  252.485142][ T1376] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000020000


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