======================================
| [ 2978.217951][  T418] dropreason: entered promiscuous mode
| [ 2981.356159][  T468] c0: entered promiscuous mode
| [ 2984.343617][  T506] s0: entered promiscuous mode
| [ 3012.034938][  T620] perf: page allocation failure: order:1, mode:0x40820(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[ 3012.035961][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3012.036208][  T620] Call Trace:
[ 3012.036361][  T620]  <TASK>
[ 3012.036471][ T620] dump_stack_lvl (lib/dump_stack.c:123) 
[ 3012.036674][ T620] warn_alloc (mm/page_alloc.c:3549) 
[ 3012.036826][ T620] ? __pfx_warn_alloc (mm/page_alloc.c:3528) 
[ 3012.037047][ T620] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4482) 
[ 3012.037537][ T620] ? get_page_from_freelist (mm/page_alloc.c:3232 mm/page_alloc.c:3427) 
[ 3012.037726][ T620] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4204) 
[ 3012.037974][ T620] __alloc_pages_noprof (mm/page_alloc.c:4763) 
[ 3012.038167][ T620] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4716) 
[ 3012.038361][ T620] ? stack_depot_save_flags (lib/stackdepot.c:618) 
[ 3012.038562][ T620] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 3012.038755][ T620] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 3012.038944][ T620] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 3012.039135][ T620] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 3012.039322][ T620] ? __kmalloc_noprof (mm/slub.c:4265 mm/slub.c:4276) 
[ 3012.039510][ T620] ? virtio_fs_enqueue_req (./include/linux/slab.h:919 fs/fuse/virtio_fs.c:1391) 
[ 3012.039697][ T620] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1493) 
[ 3012.039886][ T620] ? flush_bg_queue (fs/fuse/dev.c:334) 
[ 3012.040078][ T620] alloc_pages_mpol_noprof (mm/mempolicy.c:2267) 
[ 3012.040268][ T620] ? do_pte_missing (mm/memory.c:5297 mm/memory.c:5431 mm/memory.c:3965) 
[ 3012.040456][ T620] ? __pfx_alloc_pages_mpol_noprof (mm/mempolicy.c:2223) 
[ 3012.040687][ T620] ? 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:1489 arch/x86/mm/fault.c:1539) 
[ 3012.040876][ T620] ? fault_in_readable (mm/gup.c:2235) 
[ 3012.041062][ T620] ? fault_in_iov_iter_readable (lib/iov_iter.c:95) 
[ 3012.041293][ T620] ? generic_perform_write (mm/filemap.c:4044) 
[ 3012.041480][ T620] ? shmem_file_write_iter (mm/shmem.c:3215) 
[ 3012.041667][ T620] ? vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 3012.041854][ T620] ? __x64_sys_pwrite64 (fs/read_write.c:798 fs/read_write.c:808 fs/read_write.c:805 fs/read_write.c:805) 
[ 3012.042044][ T620] allocate_slab (mm/slub.c:2412 mm/slub.c:2586) 
[ 3012.042237][ T620] ___slab_alloc (mm/slub.c:3818 (discriminator 3)) 
[ 3012.042427][ T620] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 3012.042570][ T620] ? virtio_fs_enqueue_req (./include/linux/slab.h:882 ./include/linux/slab.h:923 fs/fuse/virtio_fs.c:1391) 
[ 3012.042763][ T620] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 3012.042999][ T620] ? virtio_fs_enqueue_req (./include/linux/slab.h:882 ./include/linux/slab.h:923 fs/fuse/virtio_fs.c:1391) 
[ 3012.043190][ T620] ? __kmalloc_noprof (mm/slub.c:3908 mm/slub.c:3961 mm/slub.c:4122 mm/slub.c:4263 mm/slub.c:4276) 
[ 3012.043379][ T620] __kmalloc_noprof (mm/slub.c:3908 mm/slub.c:3961 mm/slub.c:4122 mm/slub.c:4263 mm/slub.c:4276) 
[ 3012.043584][ T620] virtio_fs_enqueue_req (./include/linux/slab.h:882 ./include/linux/slab.h:923 fs/fuse/virtio_fs.c:1391) 
[ 3012.043775][ T620] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 3012.043931][ T620] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1370) 
[ 3012.044171][ T620] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 3012.044367][ T620] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 3012.044553][ T620] ? fuse_get_unique (fs/fuse/dev.c:234) 
[ 3012.044743][ T620] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 3012.044932][ T620] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 3012.045131][ T620] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 3012.045319][ T620] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 3012.045510][ T620] ? fuse_get_unique (fs/fuse/dev.c:234) 
[ 3012.045700][ T620] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 3012.045893][ T620] virtio_fs_send_req (fs/fuse/virtio_fs.c:1493) 
[ 3012.046082][ T620] ? fuse_send_one (fs/fuse/dev.c:316) 
[ 3012.046278][ T620] flush_bg_queue (fs/fuse/dev.c:334) 
[ 3012.046482][ T620] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:604) 
[ 3012.046725][ T620] fuse_simple_background (fs/fuse/dev.c:629) 
[ 3012.046916][ T620] fuse_send_readpages (fs/fuse/file.c:975) 
[ 3012.047114][ T620] fuse_readahead (fs/fuse/file.c:997) 
[ 3012.047317][ T620] read_pages (mm/readahead.c:160) 
[ 3012.047459][ T620] ? __folio_batch_add_and_move (./include/linux/local_lock_internal.h:38 mm/swap.c:232) 
[ 3012.047691][ T620] ? __pfx_lru_add (mm/swap.c:150) 
[ 3012.047884][ T620] ? __pfx_read_pages (mm/readahead.c:147) 
[ 3012.048129][ T620] page_cache_ra_unbounded (./include/linux/fs.h:882 mm/readahead.c:291) 
[ 3012.048326][ T620] filemap_fault (mm/filemap.c:3230 mm/filemap.c:3329) 
[ 3012.048515][ T620] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 3012.048700][ T620] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5258) 
[ 3012.048890][ T620] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 3012.049077][ T620] ? __pfx_filemap_fault (mm/filemap.c:3302) 
[ 3012.049271][ T620] ? do_fault_around (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 mm/memory.c:5258) 
[ 3012.049458][ T620] ? __pfx_filemap_map_pages (mm/filemap.c:3632) 
[ 3012.049653][ T620] __do_fault (mm/memory.c:4882) 
[ 3012.049799][ T620] do_pte_missing (mm/memory.c:5297 mm/memory.c:5431 mm/memory.c:3965) 
[ 3012.049989][ T620] __handle_mm_fault (mm/memory.c:5909) 
[ 3012.050177][ T620] ? __pfx___handle_mm_fault (mm/memory.c:5818) 
[ 3012.050363][ T620] ? mt_find (lib/maple_tree.c:6950) 
[ 3012.050528][ T620] handle_mm_fault (mm/memory.c:6089) 
[ 3012.050715][ T620] ? __pfx_handle_mm_fault (mm/memory.c:6044) 
[ 3012.050907][ T620] ? down_read_trylock (kernel/locking/rwsem.c:1566 kernel/locking/rwsem.c:1561) 
[ 3012.051105][ T620] do_user_addr_fault (arch/x86/mm/fault.c:1391) 
[ 3012.051303][ T620] 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:1489 arch/x86/mm/fault.c:1539) 
[ 3012.051495][ T620] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 3012.051684][ T620] RIP: 0010:fault_in_readable (mm/gup.c:2235) 
[ 3012.051883][ T620] Code: 00 31 c0 48 81 e6 00 f0 ff ff 49 39 f0 48 0f 47 f0 45 31 c9 48 39 f2 75 0e eb 19 48 81 c2 00 10 00 00 48 39 f2 74 0d 44 89 c9 <8a> 02 88 44 24 20 85 c9 74 e7 4c 29 c2 0f 01 ca 0f b6 44 24 20 48
All code
========
   0:	00 31                	add    %dh,(%rcx)
   2:	c0 48 81 e6          	rorb   $0xe6,-0x7f(%rax)
   6:	00 f0                	add    %dh,%al
   8:	ff                   	(bad)
   9:	ff 49 39             	decl   0x39(%rcx)
   c:	f0 48 0f 47 f0       	lock cmova %rax,%rsi
  11:	45 31 c9             	xor    %r9d,%r9d
  14:	48 39 f2             	cmp    %rsi,%rdx
  17:	75 0e                	jne    0x27
  19:	eb 19                	jmp    0x34
  1b:	48 81 c2 00 10 00 00 	add    $0x1000,%rdx
  22:	48 39 f2             	cmp    %rsi,%rdx
  25:	74 0d                	je     0x34
  27:	44 89 c9             	mov    %r9d,%ecx
  2a:*	8a 02                	mov    (%rdx),%al		<-- trapping instruction
  2c:	88 44 24 20          	mov    %al,0x20(%rsp)
  30:	85 c9                	test   %ecx,%ecx
  32:	74 e7                	je     0x1b
  34:	4c 29 c2             	sub    %r8,%rdx
  37:	0f 01 ca             	clac
  3a:	0f b6 44 24 20       	movzbl 0x20(%rsp),%eax
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	8a 02                	mov    (%rdx),%al
   2:	88 44 24 20          	mov    %al,0x20(%rsp)
   6:	85 c9                	test   %ecx,%ecx
   8:	74 e7                	je     0xfffffffffffffff1
   a:	4c 29 c2             	sub    %r8,%rdx
   d:	0f 01 ca             	clac
  10:	0f b6 44 24 20       	movzbl 0x20(%rsp),%eax
  15:	48                   	rex.W
[ 3012.052538][  T620] RSP: 0018:ffffc90002297b78 EFLAGS: 00050287
[ 3012.052783][  T620] RAX: 0000000000000000 RBX: ffffc90002297da0 RCX: 0000000000000000
[ 3012.053076][  T620] RDX: 00007f0030ed7000 RSI: 00007f0030ed8000 RDI: 0000000000001000
[ 3012.053388][  T620] RBP: 0000000000001000 R08: 00007f0030ed7000 R09: 0000000000000000
[ 3012.053696][  T620] R10: 1ffff92000452f6f R11: 0000000000000000 R12: 0000000000001000
[ 3012.054010][  T620] R13: 00007f0019c77000 R14: ffffffff8bf66ea0 R15: 0000000017260000
[ 3012.054343][ T620] ? __pfx_fault_in_readable (mm/gup.c:2219) 
[ 3012.054532][ T620] ? balance_dirty_pages_ratelimited_flags (mm/page-writeback.c:2084) 
[ 3012.054764][ T620] fault_in_iov_iter_readable (lib/iov_iter.c:95) 
[ 3012.054957][ T620] generic_perform_write (mm/filemap.c:4044) 
[ 3012.055159][ T620] ? __pfx_generic_perform_write (mm/filemap.c:4016) 
[ 3012.055389][ T620] ? generic_update_time (fs/inode.c:2045) 
[ 3012.055587][ T620] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 3012.055775][ T620] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 3012.055961][ T620] ? generic_update_time (fs/inode.c:2045) 
[ 3012.056153][ T620] shmem_file_write_iter (mm/shmem.c:3215) 
[ 3012.056345][ T620] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 3012.056491][ T620] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 3012.056678][ T620] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 3012.056869][ T620] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1006) 
[ 3012.057068][ T620] ? __pfx_vm_mmap_pgoff (mm/util.c:578) 
[ 3012.057263][ T620] __x64_sys_pwrite64 (fs/read_write.c:798 fs/read_write.c:808 fs/read_write.c:805 fs/read_write.c:805) 
[ 3012.057450][ T620] ? __pfx___x64_sys_pwrite64 (fs/read_write.c:805) 
[ 3012.057634][ T620] ? fput (./arch/x86/include/asm/atomic64_64.h:61 ./include/linux/atomic/atomic-arch-fallback.h:4404 ./include/linux/atomic/atomic-long.h:1571 ./include/linux/atomic/atomic-instrumented.h:4540 fs/file_table.c:482) 
[ 3012.057785][ T620] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 3012.057977][ T620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 3012.058209][  T620] RIP: 0033:0x7f003784d9cf
[ 3012.058399][ T620] Code: 08 89 3c 24 48 89 4c 24 18 e8 2d f2 f5 ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 7d f2 f5 ff 48 8b
All code
========
   0:	08 89 3c 24 48 89    	or     %cl,-0x76b7dbc4(%rcx)
   6:	4c 24 18             	rex.WR and $0x18,%al
   9:	e8 2d f2 f5 ff       	call   0xfffffffffff5f23b
   e:	4c 8b 54 24 18       	mov    0x18(%rsp),%r10
  13:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
  18:	41 89 c0             	mov    %eax,%r8d
  1b:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  20:	8b 3c 24             	mov    (%rsp),%edi
  23:	b8 12 00 00 00       	mov    $0x12,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 31                	ja     0x63
  32:	44 89 c7             	mov    %r8d,%edi
  35:	48 89 04 24          	mov    %rax,(%rsp)
  39:	e8 7d f2 f5 ff       	call   0xfffffffffff5f2bb
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 31                	ja     0x39
   8:	44 89 c7             	mov    %r8d,%edi
   b:	48 89 04 24          	mov    %rax,(%rsp)
   f:	e8 7d f2 f5 ff       	call   0xfffffffffff5f291
  14:	48                   	rex.W
  15:	8b                   	.byte 0x8b
[ 3012.059048][  T620] RSP: 002b:00007fff22c23920 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
[ 3012.059363][  T620] RAX: ffffffffffffffda RBX: 00007f0019c77000 RCX: 00007f003784d9cf
[ 3012.059654][  T620] RDX: 000000001c93ff08 RSI: 00007f0019c77000 RDI: 000000000000001a
[ 3012.059968][  T620] RBP: 00007fff22c239a0 R08: 0000000000000000 R09: 0000000000000000
[ 3012.060292][  T620] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000


Finger prints:
warn_alloc:__alloc_pages_noprof:alloc_pages_mpol_noprof:allocate_slab:___slab_alloc