======================================
| make: Leaving directory '/home/virtme/testing-22/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  248.227277][ T2071] python3 invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[  248.228056][ T2071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  248.228058][ T2071] Call Trace:
[  248.228060][ T2071]  <TASK>
[ 248.228062][ T2071] dump_stack_lvl (lib/dump_stack.c:123) 
[ 248.228072][ T2071] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468) 
[ 248.228083][ T2071] oom_kill_process (mm/oom_kill.c:1041) 
[ 248.228090][ T2071] out_of_memory (mm/oom_kill.c:1180 (discriminator 4)) 
[ 248.228096][ T2071] ? __pfx_out_of_memory (mm/oom_kill.c:1113) 
[ 248.228110][ T2071] __alloc_pages_may_oom (mm/page_alloc.c:3645) 
[ 248.228117][ T2071] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3577) 
[ 248.228137][ T2071] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4433) 
[ 248.228150][ T2071] ? get_page_from_freelist (mm/page_alloc.c:3235 mm/page_alloc.c:3430) 
[ 248.228155][ T2071] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4206) 
[ 248.228172][ T2071] __alloc_frozen_pages_noprof (mm/page_alloc.c:4753) 
[ 248.228178][ T2071] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4706) 
[ 248.228181][ T2071] ? 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) 
[ 248.228187][ T2071] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 248.228198][ T2071] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 248.228210][ T2071] alloc_pages_mpol (mm/mempolicy.c:2272) 
[ 248.228217][ T2071] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2227) 
[ 248.228220][ T2071] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) 
[ 248.228223][ T2071] ? ___pte_offset_map (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 mm/pgtable-generic.c:287) 
[ 248.228231][ T2071] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 248.228239][ T2071] vma_alloc_folio_noprof (mm/mempolicy.c:2289 mm/mempolicy.c:2324) 
[ 248.228246][ T2071] ? __pfx_vma_alloc_folio_noprof (mm/mempolicy.c:2315) 
[ 248.228251][ T2071] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 248.228261][ T2071] do_pte_missing (mm/memory.c:1062 mm/memory.c:5433 mm/memory.c:5545 mm/memory.c:4059) 
[ 248.228265][ T2071] ? handle_pte_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/pgtable.h:136 mm/memory.c:5882) 
[ 248.228273][ T2071] handle_pte_fault (mm/memory.c:5888) 
[ 248.228281][ T2071] ? __pfx_handle_pte_fault (mm/memory.c:5845) 
[ 248.228296][ T2071] __handle_mm_fault (mm/memory.c:6031) 
[ 248.228302][ T2071] ? __pfx___handle_mm_fault (mm/memory.c:5940) 
[ 248.228323][ T2071] ? __pfx_lock_vma_under_rcu (mm/memory.c:6356) 
[ 248.228331][ T2071] handle_mm_fault (mm/memory.c:6212) 
[ 248.228336][ T2071] ? __pfx_handle_mm_fault (mm/memory.c:6167) 
[ 248.228343][ T2071] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 248.228355][ T2071] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 248.228368][ T2071] 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) 
[ 248.228377][ T2071] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[  248.228380][ T2071] RIP: 0033:0x7f3456f21d90
[ 248.228385][ T2071] Code: 00 00 49 8b 14 24 41 8b 44 24 08 4c 01 d2 48 83 f8 26 74 0a 48 83 f8 08 0f 85 3a 1a 00 00 49 8b 44 24 10 49 83 c4 18 4c 01 d0 <48> 89 02 4c 39 e3 77 d0 4d 8b 9f d0 01 00 00 4d 85 db 0f 84 66 0a
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	49 8b 14 24          	mov    (%r12),%rdx
   6:	41 8b 44 24 08       	mov    0x8(%r12),%eax
   b:	4c 01 d2             	add    %r10,%rdx
   e:	48 83 f8 26          	cmp    $0x26,%rax
  12:	74 0a                	je     0x1e
  14:	48 83 f8 08          	cmp    $0x8,%rax
  18:	0f 85 3a 1a 00 00    	jne    0x1a58
  1e:	49 8b 44 24 10       	mov    0x10(%r12),%rax
  23:	49 83 c4 18          	add    $0x18,%r12
  27:	4c 01 d0             	add    %r10,%rax
  2a:*	48 89 02             	mov    %rax,(%rdx)		<-- trapping instruction
  2d:	4c 39 e3             	cmp    %r12,%rbx
  30:	77 d0                	ja     0x2
  32:	4d 8b 9f d0 01 00 00 	mov    0x1d0(%r15),%r11
  39:	4d 85 db             	test   %r11,%r11
  3c:	0f                   	.byte 0xf
  3d:	84 66 0a             	test   %ah,0xa(%rsi)

Code starting with the faulting instruction
===========================================
   0:	48 89 02             	mov    %rax,(%rdx)
   3:	4c 39 e3             	cmp    %r12,%rbx
   6:	77 d0                	ja     0xffffffffffffffd8
   8:	4d 8b 9f d0 01 00 00 	mov    0x1d0(%r15),%r11
   f:	4d 85 db             	test   %r11,%r11
  12:	0f                   	.byte 0xf
  13:	84 66 0a             	test   %ah,0xa(%rsi)
[  248.228387][ T2071] RSP: 002b:00007ffc90d6af30 EFLAGS: 00010206
[  248.228391][ T2071] RAX: 00007f3448cd4760 RBX: 00007f3448af4a58 RCX: 00000000000041a8
[  248.228393][ T2071] RDX: 00007f3448e4e008 RSI: 00007ffc90d6afc0 RDI: 00007f3456f44a30
[  248.228395][ T2071] RBP: 00007ffc90d6b030 R08: 00000000000635a0 R09: 0000000000000000
[  248.228396][ T2071] R10: 00007f3448a49000 R11: 0000000000000206 R12: 00007f3448abf3e8


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