rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10500 ticks this GP) idle=462/1/0x4000000000000000 softirq=39473/39476 fqs=5156 (t=10502 jiffies g=59257 q=429) NMI backtrace for cpu 1 CPU: 1 PID: 19740 Comm: syz-executor.0 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x1f4/0x230 kernel/rcu/tree_stall.h:337 print_cpu_stall kernel/rcu/tree_stall.h:569 [inline] check_cpu_stall kernel/rcu/tree_stall.h:643 [inline] rcu_pending kernel/rcu/tree.c:3751 [inline] rcu_sched_clock_irq.cold+0x48e/0xedf kernel/rcu/tree.c:2580 update_process_times+0x16d/0x200 kernel/time/timer.c:1782 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1369 __run_hrtimer kernel/time/hrtimer.c:1519 [inline] __hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1583 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1645 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1102 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x48/0x100 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:queue_work_on+0x83/0xd0 kernel/workqueue.c:1530 Code: 31 ff 89 ee e8 be fb 28 00 40 84 ed 74 46 e8 34 f5 28 00 31 ff 48 89 de e8 1a fd 28 00 48 85 db 75 26 e8 20 f5 28 00 41 56 9d <48> 83 c4 08 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 06 f5 28 RSP: 0018:ffffc90000db0898 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000100 RDX: ffff88802920b780 RSI: ffffffff8149d4a0 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8ed31887 R10: fffffbfff1da6310 R11: 0000000000000000 R12: ffff888022a8d5b0 R13: ffff8880177ff800 R14: 0000000000000246 R15: 0000000000000001 queue_work include/linux/workqueue.h:507 [inline] ieee80211_queue_work net/mac80211/util.c:932 [inline] ieee80211_queue_work+0x129/0x160 net/mac80211/util.c:925 ieee80211_rx_h_mgmt net/mac80211/rx.c:3627 [inline] ieee80211_rx_handlers+0x3b85/0xae60 net/mac80211/rx.c:3793 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3823 [inline] ieee80211_prepare_and_rx_handle+0x245f/0x6210 net/mac80211/rx.c:4503 __ieee80211_rx_handle_packet net/mac80211/rx.c:4564 [inline] ieee80211_rx_list+0x1077/0x2430 net/mac80211/rx.c:4744 ieee80211_rx_napi+0xf7/0x3d0 net/mac80211/rx.c:4767 ieee80211_rx include/net/mac80211.h:4507 [inline] ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x1d7/0x2d0 kernel/softirq.c:555 __do_softirq+0x2bc/0xa29 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:420 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:432 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:page_to_nid include/linux/mm.h:1318 [inline] RIP: 0010:page_zone include/linux/mm.h:1469 [inline] RIP: 0010:page_is_consistent mm/page_alloc.c:587 [inline] RIP: 0010:bad_range mm/page_alloc.c:599 [inline] RIP: 0010:bad_range+0x198/0x310 mm/page_alloc.c:595 Code: 54 24 10 4d 89 f4 0f 85 4a 61 0e 07 48 b8 00 00 00 00 00 fc ff df 4c 89 d2 48 c1 ea 03 80 3c 02 00 0f 85 56 01 00 00 49 8b 2a <48> 83 fd ff 0f 84 b9 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 89 RSP: 0018:ffffc900026f73d8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88813fffb700 RCX: 0000000000000000 RDX: 1ffffd40002e90f0 RSI: 00000000000ff000 RDI: 0000000000000000 RBP: 00fff00000000000 R08: 0000000000001000 R09: ffffffff8ed317b7 R10: ffffea0001748780 R11: 0000000000000100 R12: 000000000005d21e R13: 0000000000000000 R14: 000000000005d21e R15: ffff88813fffb7a8 rmqueue mm/page_alloc.c:3521 [inline] get_page_from_freelist+0x1c4a/0x3f80 mm/page_alloc.c:3940 __alloc_pages_nodemask+0x2d6/0x730 mm/page_alloc.c:4993 alloc_pages_current+0x18c/0x2a0 mm/mempolicy.c:2267 alloc_pages include/linux/gfp.h:547 [inline] __get_free_pages+0x8/0x40 mm/page_alloc.c:5036 tlb_next_batch mm/mmu_gather.c:29 [inline] __tlb_remove_page_size+0x253/0x420 mm/mmu_gather.c:83 __tlb_remove_page include/asm-generic/tlb.h:438 [inline] zap_pte_range mm/memory.c:1267 [inline] zap_pmd_range mm/memory.c:1368 [inline] zap_pud_range mm/memory.c:1397 [inline] zap_p4d_range mm/memory.c:1418 [inline] unmap_page_range+0xea7/0x2640 mm/memory.c:1439 unmap_single_vma+0x198/0x300 mm/memory.c:1484 unmap_vmas+0x168/0x2e0 mm/memory.c:1516 exit_mmap+0x2b1/0x5a0 mm/mmap.c:3220 __mmput+0x122/0x470 kernel/fork.c:1083 mmput+0x53/0x60 kernel/fork.c:1104 exit_mm kernel/exit.c:501 [inline] do_exit+0xb6a/0x2ae0 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x3e9/0x20a0 kernel/signal.c:2770 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:811 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x148/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: Unable to access opcode bytes at RIP 0x45e1ef. RSP: 002b:00007fbdc8439cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000119bf88 RCX: 000000000045e219 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000119bf8c RBP: 000000000119bf80 R08: 0000000000000009 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffdd944381f R14: 00007fbdc843a9c0 R15: 000000000119bf8c