rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=fea/1/0x4000000000000000 softirq=89579/89580 fqs=6 
	(t=10501 jiffies g=142957 q=625)
rcu: rcu_preempt kthread starved for 10490 jiffies! g142957 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26384 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 schedule_timeout+0x1aa/0x2f0 kernel/time/timer.c:1879
 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline]
 rcu_gp_kthread+0x10fd/0x1720 kernel/rcu/tree.c:2169
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 26567 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:342 [inline]
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:352 [inline]
RIP: 0010:unwind_next_frame+0x9d0/0x1fa0 arch/x86/kernel/unwind_orc.c:534
Code: 48 8b 4c 24 18 8a 04 01 84 c0 0f 85 49 11 00 00 48 39 dd 76 1a 49 39 de 77 15 41 83 7d 00 00 74 0e 48 8d 43 08 4c 39 f0 76 05 <48> 39 e8 76 3b 49 8d 7d 28 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00
RSP: 0018:ffffc90000dc03a0 EFLAGS: 00000202
RAX: ffffc90002b7f558 RBX: ffffc90002b7f550 RCX: 1ffff920001b808c
RDX: ffffc90002b7f558 RSI: 0000000000000000 RDI: ffffc90000dc0470
RBP: ffffc90002b80000 R08: 0000000000000001 R09: ffffc90000dc0530
R10: fffff520001b8098 R11: 0000000000000000 R12: 1ffffffff1cb6980
R13: ffffc90000dc0460 R14: ffffc90002b78000 R15: ffffffff8e5b4c00
FS:  00007fd0dabe3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000440660 CR3: 0000000089f1f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 arch_stack_walk+0xb2/0xe0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x104/0x1e0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x96/0xd0 mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook mm/slab.h:519 [inline]
 slab_alloc_node mm/slub.c:2956 [inline]
 kmem_cache_alloc_node+0x200/0x370 mm/slub.c:2992
 __alloc_skb+0xd8/0x580 net/core/skbuff.c:414
 skb_copy+0xe8/0x750 net/core/skbuff.c:1581
 mac80211_hwsim_tx_frame_no_nl+0xe0c/0x1980 drivers/net/wireless/mac80211_hwsim.c:1565
 mac80211_hwsim_tx_frame+0x1cb/0x220 drivers/net/wireless/mac80211_hwsim.c:1784
 mac80211_hwsim_beacon_tx+0x46c/0x890 drivers/net/wireless/mac80211_hwsim.c:1838
 __iterate_interfaces+0x23e/0x480 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0x9b/0x120 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa5/0x160 drivers/net/wireless/mac80211_hwsim.c:1861
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1601
 hrtimer_run_softirq+0x176/0x1e0 kernel/time/hrtimer.c:1618
 __do_softirq+0x372/0x783 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x21b/0x260 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xde/0x190 kernel/sched/core.c:6328
Code: 14 66 66 2e 0f 1f 84 00 00 00 00 00 48 f7 03 08 00 00 00 74 7b bf 01 00 00 00 e8 cd 9a 7c f7 e8 b8 a4 ab f7 fb bf 01 00 00 00 <e8> 9d e6 ff ff 9c 8f 44 24 20 43 80 7c 3d 00 00 74 08 4c 89 f7 e8
RSP: 0018:ffffc90002b7f140 EFLAGS: 00000286
RAX: f6a91087f8acb800 RBX: 0000000000000000 RCX: ffffffff9070b703
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90002b7f1e8 R08: ffffffff8186a210 R09: ffffffff8f286048
R10: ffffffff8f28605c R11: ffffffff8f286050 R12: 1ffff9200056fe28
R13: 1ffff9200056fe2c R14: ffffc90002b7f160 R15: dffffc0000000000
 irqentry_exit+0x56/0x90 kernel/entry/common.c:427
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:218 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x78/0x100 kernel/kcov.c:320
Code: 1c 25 80 ef 01 00 31 d2 eb 14 0f 1f 84 00 00 00 00 00 48 ff c2 49 39 d2 0f 84 87 00 00 00 4c 8b 74 d6 10 65 8b 05 00 b1 81 7e <a9> 00 01 ff 00 74 11 a9 00 01 00 00 74 da 41 83 bb 34 15 00 00 00
RSP: 0018:ffffc90002b7f2b8 EFLAGS: 00000202
RAX: 0000000080000000 RBX: ffff888018899f80 RCX: 0000000000000000
RDX: 0000000000000005 RSI: ffffffff8ccb06b0 RDI: 0000000000000002
RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff83cf891b
R10: 0000000000000007 R11: ffff88802342d4c0 R12: ffff8880166d2890
R13: 000000000000031b R14: 0000000000000006 R15: ffffc90002b7f620
 tomoyo_domain_quota_is_ok+0x12b/0x5d0 security/tomoyo/util.c:1066
 tomoyo_supervisor+0x37d/0x1460 security/tomoyo/common.c:2089
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission+0x248/0x370 security/tomoyo/file.c:587
 tomoyo_check_open_permission+0x2a3/0x460 security/tomoyo/file.c:777
 security_file_open+0x50/0xc0 security/security.c:1633
 do_dentry_open+0x36b/0x1020 fs/open.c:813
 do_open fs/namei.c:3374 [inline]
 path_openat+0x27e7/0x36b0 fs/namei.c:3507
 do_filp_open+0x253/0x4d0 fs/namei.c:3534
 do_sys_openat2+0x124/0x460 fs/open.c:1204
 do_sys_open fs/open.c:1220 [inline]
 __do_sys_open fs/open.c:1228 [inline]
 __se_sys_open fs/open.c:1224 [inline]
 __x64_sys_open+0x221/0x270 fs/open.c:1224
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd0dabe3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 000000000014103e RDI: 0000000020000400
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffddd80fbef R14: 00007fd0dabe3300 R15: 0000000000022000
NMI backtrace for cpu 0
CPU: 0 PID: 26558 Comm: syz-executor.2 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1ae/0x29f lib/dump_stack.c:105
 nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x22d/0x390 kernel/rcu/tree_stall.h:342
 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:700 [inline]
 rcu_pending kernel/rcu/tree.c:3922 [inline]
 rcu_sched_clock_irq+0x1d0d/0x2a30 kernel/rcu/tree.c:2641
 update_process_times+0x197/0x200 kernel/time/timer.c:1783
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:196
Code: 00 00 00 0f 1f 00 be 0d 00 00 00 48 c7 c7 60 48 75 8c e8 4f 38 49 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 80 ef 01 00 65 8b 15 a4 b6 81 7e f7 c2 00 01 ff 00
RSP: 0000:ffffc90000007b30 EFLAGS: 00000246
RAX: ffffffff8810e8eb RBX: 1ffff1101495f729 RCX: 0000000000000101
RDX: dffffc0000000000 RSI: 0000000000000101 RDI: 0000000000000001
RBP: ffff8880a4afb8f0 R08: dffffc0000000000 R09: fffffbfff1f5e7cc
R10: fffffbfff1f5e7cc R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a4afb948 R14: dffffc0000000000 R15: ffff8880a4afb800
 mrp_queue_xmit net/802/mrp.c:363 [inline]
 mrp_join_timer+0x43b/0x820 net/802/mrp.c:608
 call_timer_fn+0xf6/0x210 kernel/time/timer.c:1419
 expire_timers kernel/time/timer.c:1464 [inline]
 __run_timers+0x6ff/0x910 kernel/time/timer.c:1732
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1745
 __do_softirq+0x372/0x783 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x21b/0x260 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:seqcount_lockdep_reader_access+0x150/0x1a0 include/linux/seqlock.h:106
Code: f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 f9 a6 09 00 f6 44 24 21 02 75 47 41 f7 c6 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <49> c7 04 1c 00 00 00 00 66 41 c7 44 1c 09 00 00 41 c6 44 1c 0b 00
RSP: 0000:ffffc90002b1f5e0 EFLAGS: 00000206
RAX: 1ffff92000563ec0 RBX: 1ffff92000563ebc RCX: ffffffff8162c9f9
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffc90002b1f600
RBP: ffffc90002b1f6a0 R08: dffffc0000000000 R09: fffffbfff1f5e7b5
R10: fffffbfff1f5e7b5 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88813fffb7b8 R14: 0000000000000a02 R15: ffffffff81bfd248
 read_seqbegin include/linux/seqlock.h:840 [inline]
 zone_span_seqbegin include/linux/memory_hotplug.h:77 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:580 [inline]
 bad_range+0x78/0x2c0 mm/page_alloc.c:609
 rmqueue+0x2154/0x22e0 mm/page_alloc.c:3750
 get_page_from_freelist+0x4b3/0xa30 mm/page_alloc.c:4166
 __alloc_pages+0x26c/0x5f0 mm/page_alloc.c:5391
 alloc_pages_vma+0x520/0xe40 mm/mempolicy.c:2208
 do_anonymous_page+0x31b/0x14a0 mm/memory.c:3767
 handle_pte_fault mm/memory.c:4556 [inline]
 __handle_mm_fault mm/memory.c:4693 [inline]
 handle_mm_fault+0x17f7/0x2500 mm/memory.c:4791
 do_user_addr_fault+0x8ce/0x10c0 arch/x86/mm/fault.c:1390
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0xa1/0x1e0 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x4223ad
Code: 84 24 e0 00 00 00 48 89 e1 45 31 c0 48 89 44 24 08 48 8d 44 24 20 c7 04 24 18 00 00 00 c7 44 24 04 30 00 00 00 48 89 44 24 10 <e8> ae 98 00 00 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 08 48
RSP: 002b:00007fe978458000 EFLAGS: 00010246
RAX: 00007fe978458020 RBX: 000000000056bf80 RCX: 00007fe978458000
RDX: 00000000004be940 RSI: 0000000000000080 RDI: 00007fe9784580f0
RBP: 00007fe9784580f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000002d172 R12: 000000000056bf80
R13: 00007ffe0e2004df R14: 00007fe978458300 R15: 0000000000022000