======================================
| [  842.135614][ T3264] TCP: Found non-dmabuf skb with net_iov
| [  842.135870][ T3264] TCP: Found non-dmabuf skb with net_iov
| [  842.136139][ T3264] TCP: Found non-dmabuf skb with net_iov
| [  843.884898][ T3251] python3 invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
[  843.886181][ T3251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  843.886184][ T3251] Call Trace:
[  843.886186][ T3251]  <TASK>
[  843.886188][ T3251]  dump_stack_lvl (lib/dump_stack.c:123)
[  843.886200][ T3251]  dump_header (mm/oom_kill.c:74 mm/oom_kill.c:468)
[  843.886213][ T3251]  oom_kill_process (mm/oom_kill.c:1047)
[  843.886219][ T3251]  out_of_memory (mm/oom_kill.c:1186 (discriminator 4))
[  843.886224][ T3251]  ? oom_killer_disable (mm/oom_kill.c:1119)
[  843.886237][ T3251]  __alloc_pages_may_oom (mm/page_alloc.c:4061)
[  843.886247][ T3251]  ? __alloc_pages_direct_compact (mm/page_alloc.c:3993)
[  843.886265][ T3251]  __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4871)
[  843.886279][ T3251]  ? warn_alloc (mm/page_alloc.c:4631)
[  843.886295][ T3251]  __alloc_frozen_pages_noprof (mm/page_alloc.c:5196)
[  843.886300][ T3251]  ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:5149)
[  843.886307][ T3251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  843.886315][ T3251]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  843.886323][ T3251]  ? filemap_get_entry (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/filemap.c:1920)
[  843.886334][ T3251]  alloc_pages_mpol (mm/mempolicy.c:2418)
[  843.886342][ T3251]  ? policy_nodemask (mm/mempolicy.c:2373)
[  843.886349][ T3251]  ? down_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1274 kernel/locking/rwsem.c:1539)
[  843.886359][ T3251]  folio_alloc_noprof (mm/mempolicy.c:2507 mm/mempolicy.c:2517)
[  843.886363][ T3251]  __filemap_get_folio (mm/filemap.c:2012)
[  843.886372][ T3251]  filemap_fault (mm/filemap.c:3499)
[  843.886385][ T3251]  ? read_cache_page_gfp (mm/filemap.c:3448)
[  843.886389][ T3251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  843.886394][ T3251]  ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/memory.c:5659)
[  843.886400][ T3251]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  843.886407][ T3251]  ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 mm/memory.c:5659)
[  843.886415][ T3251]  __do_fault (mm/memory.c:5280)
[  843.886422][ T3251]  do_pte_missing (mm/memory.c:5698 mm/memory.c:5832 mm/memory.c:4361)
[  843.886430][ T3251]  handle_pte_fault (mm/memory.c:6177)
[  843.886437][ T3251]  ? do_pte_missing (mm/memory.c:6134)
[  843.886439][ T3251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  843.886451][ T3251]  __handle_mm_fault (mm/memory.c:6318)
[  843.886455][ T3251]  ? __pmd_alloc (mm/memory.c:6229)
[  843.886471][ T3251]  ? lock_vma_under_rcu (mm/mmap_lock.c:226)
[  843.886474][ T3251]  ? lock_vma_under_rcu (mm/mmap_lock.c:259)
[  843.886483][ T3251]  handle_mm_fault (mm/memory.c:6499)
[  843.886487][ T3251]  ? __handle_mm_fault (mm/memory.c:6454)
[  843.886492][ T3251]  ? __rseq_handle_notify_resume (kernel/rseq.c:442)
[  843.886502][ T3251]  do_user_addr_fault (arch/x86/mm/fault.c:1337)
[  843.886512][ T3251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  843.886520][ T3251]  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)
[  843.886527][ T3251]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623)
[  843.886531][ T3251] RIP: 0033:0x7f8fab780bb0
[  843.886540][ T3251] Code: Unable to access opcode bytes at 0x7f8fab780b86.

Code starting with the faulting instruction
===========================================
[  843.886541][ T3251] RSP: 002b:00007ffde36e5ea8 EFLAGS: 00010202
[  843.886545][ T3251] RAX: 0000000000000000 RBX: 00007f8f9d174440 RCX: 0000000000000000
[  843.886546][ T3251] RDX: 0000000000000002 RSI: fffffffffffffffe RDI: fffffffffffffffe
[  843.886548][ T3251] RBP: 000056028bc95060 R08: 00000000fffffffe R09: 0000000000000000
[  843.886550][ T3251] R10: 0000000000000000 R11: 000000000000000f R12: 0000000000000000


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