======================================
| make: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1298.222456][ T3112] python3 invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[ 1298.223369][ T3112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1298.223372][ T3112] Call Trace:
[ 1298.223374][ T3112]  <TASK>
[ 1298.223376][ T3112]  dump_stack_lvl (lib/dump_stack.c:123)
[ 1298.223388][ T3112]  dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468)
[ 1298.223398][ T3112]  oom_kill_process (mm/oom_kill.c:1047)
[ 1298.223403][ T3112]  out_of_memory (mm/oom_kill.c:1186 (discriminator 4))
[ 1298.223408][ T3112]  ? oom_killer_disable (mm/oom_kill.c:1119)
[ 1298.223420][ T3112]  __alloc_pages_may_oom (mm/page_alloc.c:4061)
[ 1298.223427][ T3112]  ? __alloc_pages_direct_compact (mm/page_alloc.c:3993)
[ 1298.223445][ T3112]  __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4871)
[ 1298.223458][ T3112]  ? warn_alloc (mm/page_alloc.c:4631)
[ 1298.223474][ T3112]  __alloc_frozen_pages_noprof (mm/page_alloc.c:5196)
[ 1298.223478][ T3112]  ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:5149)
[ 1298.223485][ T3112]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1298.223495][ T3112]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1298.223501][ T3112]  ? filemap_get_entry (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/filemap.c:1920)
[ 1298.223510][ T3112]  alloc_pages_mpol (mm/mempolicy.c:2418)
[ 1298.223515][ T3112]  ? policy_nodemask (mm/mempolicy.c:2373)
[ 1298.223522][ T3112]  ? down_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1274 kernel/locking/rwsem.c:1539)
[ 1298.223530][ T3112]  folio_alloc_noprof (mm/mempolicy.c:2507 mm/mempolicy.c:2517)
[ 1298.223535][ T3112]  __filemap_get_folio (mm/filemap.c:2012)
[ 1298.223543][ T3112]  filemap_fault (mm/filemap.c:3499)
[ 1298.223555][ T3112]  ? read_cache_page_gfp (mm/filemap.c:3448)
[ 1298.223559][ T3112]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1298.223565][ T3112]  ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/memory.c:5659)
[ 1298.223569][ T3112]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1298.223575][ T3112]  ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/memory.c:5659)
[ 1298.223583][ T3112]  __do_fault (mm/memory.c:5280)
[ 1298.223590][ T3112]  do_pte_missing (mm/memory.c:5698 mm/memory.c:5832 mm/memory.c:4361)
[ 1298.223599][ T3112]  handle_pte_fault (mm/memory.c:6177)
[ 1298.223607][ T3112]  ? do_pte_missing (mm/memory.c:6134)
[ 1298.223610][ T3112]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1298.223621][ T3112]  __handle_mm_fault (mm/memory.c:6318)
[ 1298.223627][ T3112]  ? __pmd_alloc (mm/memory.c:6229)
[ 1298.223643][ T3112]  ? lock_vma_under_rcu (mm/mmap_lock.c:226)
[ 1298.223646][ T3112]  ? lock_vma_under_rcu (mm/mmap_lock.c:259)
[ 1298.223655][ T3112]  handle_mm_fault (mm/memory.c:6499)
[ 1298.223660][ T3112]  ? __handle_mm_fault (mm/memory.c:6454)
[ 1298.223665][ T3112]  ? __rseq_handle_notify_resume (kernel/rseq.c:442)
[ 1298.223675][ T3112]  do_user_addr_fault (arch/x86/mm/fault.c:1337)
[ 1298.223684][ T3112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1298.223692][ T3112]  exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[ 1298.223697][ T3112]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[ 1298.223701][ T3112] RIP: 0033:0x7f21e5dffba4
[ 1298.223705][ T3112] Code: 66 0f 1f 44 00 00 41 83 fd 04 7f aa e9 4c ff ff ff 0f 1f 44 00 00 41 83 fd 05 0f 87 5b 8c f2 ff 48 8d 2d bb 6f 14 00 44 89 eb <4c> 63 6c 9d 00 49 01 ed 3e 41 ff e5 49 83 2e 01 0f 84 2c 8c f2 ff
All code
========
   0:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
   6:	41 83 fd 04          	cmp    $0x4,%r13d
   a:	7f aa                	jg     0xffffffffffffffb6
   c:	e9 4c ff ff ff       	jmp    0xffffffffffffff5d
  11:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  16:	41 83 fd 05          	cmp    $0x5,%r13d
  1a:	0f 87 5b 8c f2 ff    	ja     0xfffffffffff28c7b
  20:	48 8d 2d bb 6f 14 00 	lea    0x146fbb(%rip),%rbp        # 0x146fe2
  27:	44 89 eb             	mov    %r13d,%ebx
  2a:*	4c 63 6c 9d 00       	movslq 0x0(%rbp,%rbx,4),%r13		<-- trapping instruction
  2f:	49 01 ed             	add    %rbp,%r13
  32:	3e 41 ff e5          	notrack jmp *%r13
  36:	49 83 2e 01          	subq   $0x1,(%r14)
  3a:	0f 84 2c 8c f2 ff    	je     0xfffffffffff28c6c

Code starting with the faulting instruction
===========================================
   0:	4c 63 6c 9d 00       	movslq 0x0(%rbp,%rbx,4),%r13
   5:	49 01 ed             	add    %rbp,%r13
   8:	3e 41 ff e5          	notrack jmp *%r13
   c:	49 83 2e 01          	subq   $0x1,(%r14)
  10:	0f 84 2c 8c f2 ff    	je     0xfffffffffff28c42
[ 1298.223708][ T3112] RSP: 002b:00007fff3ae3e8c0 EFLAGS: 00010293
[ 1298.223711][ T3112] RAX: 00007f21e5e08bf0 RBX: 0000000000000002 RCX: 000000000000000b
[ 1298.223713][ T3112] RDX: 00005589dd985270 RSI: ffffffffffffffff RDI: 00007f21d8408910
[ 1298.223715][ T3112] RBP: 00007f21e5f46b5c R08: 00007f21e5e08bf0 R09: 0000000000000000
[ 1298.223717][ T3112] R10: 00007f21e604aec0 R11: 00007f21e604aec0 R12: 00005589dd9869b0


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