rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10467 ticks this GP) idle=6d6/1/0x4000000000000000 softirq=206079/206085 fqs=1 
	(t=10501 jiffies g=407089 q=372)
rcu: rcu_preempt kthread starved for 10500 jiffies! g407089 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:28800 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4339 [inline]
 __schedule+0x916/0x23e0 kernel/sched/core.c:5147
 schedule+0xcf/0x270 kernel/sched/core.c:5226
 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1892
 rcu_gp_fqs_loop kernel/rcu/tree.c:2004 [inline]
 rcu_gp_kthread+0xd07/0x2300 kernel/rcu/tree.c:2177
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
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: 20189 Comm: syz-executor.2 Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3570 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3589 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:3644 [inline]
RIP: 0010:__lock_acquire+0x1738/0x5230 kernel/locking/lockdep.c:4902
Code: 00 00 00 00 00 fc ff df eb 06 48 83 eb 08 74 42 48 8d 7b 18 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 b8 24 00 00 48 8b 43 18 <49> 39 c6 0f 84 d9 f4 ff ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80
RSP: 0018:ffffc90000dc0c78 EFLAGS: 00000046
RAX: 33d00fde7b4ba9a9 RBX: ffffffff8f60f240 RCX: ffffffff815a3757
RDX: 1ffffffff2039597 RSI: 0000000000000008 RDI: ffffffff8f60f258
RBP: ffff88802ad38a48 R08: 0000000000000000 R09: ffffffff902288af
R10: fffffbfff2045115 R11: 0000000000000000 R12: ffff88802ad38000
R13: dffffc0000000000 R14: 032b1dd64ede7c81 R15: 0000000000000000
FS:  00007f9ca59ad700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5a8e01718 CR3: 0000000076bb5000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5512 [inline]
 lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5477
 seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline]
 ktime_get_update_offsets_now+0x82/0x5c0 kernel/time/timekeeping.c:2295
 hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
 hrtimer_interrupt+0x142/0xa00 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:trylock_clear_pending kernel/locking/qspinlock_paravirt.h:121 [inline]
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3c9/0xb40 kernel/locking/qspinlock.c:508
Code: 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 41 83 ec 01 0f 84 72 04 00 00 41 0f b6 45 00 <38> d8 7f 08 84 c0 0f 85 91 05 00 00 0f b6 45 00 84 c0 75 db be 02
RSP: 0018:ffffc90002307730 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff1812818
RDX: 0000000000000001 RSI: ffffffff817ae971 RDI: ffffffff8132b571
RBP: ffffffff8c0940c0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817ae939 R11: 0000000000000000 R12: 0000000000001287
R13: fffffbfff1812818 R14: 0000000000000001 R15: ffff8880b9d36400
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113
 spin_lock include/linux/spinlock.h:354 [inline]
 preload_this_cpu_lock mm/vmalloc.c:1450 [inline]
 alloc_vmap_area+0xba3/0x1e10 mm/vmalloc.c:1491
 __get_vm_area_node+0x128/0x380 mm/vmalloc.c:2370
 __vmalloc_node_range+0x135/0x970 mm/vmalloc.c:2906
 __vmalloc_node mm/vmalloc.c:2963 [inline]
 __vmalloc+0x69/0x80 mm/vmalloc.c:2977
 bpf_prog_alloc_no_stats+0x39/0x360 kernel/bpf/core.c:85
 bpf_prog_alloc+0x28/0x1a0 kernel/bpf/core.c:119
 bpf_prog_load+0x656/0x1f40 kernel/bpf/syscall.c:2165
 __do_sys_bpf+0x1272/0x4f40 kernel/bpf/syscall.c:4411
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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:00007f9ca59ad188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd02ee8edf R14: 00007f9ca59ad300 R15: 0000000000022000
NMI backtrace for cpu 0
CPU: 0 PID: 20181 Comm: syz-executor.4 Not tainted 5.13.0-rc6-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:79 [inline]
 dump_stack+0x141/0x1d7 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+0x25e/0x3f0 kernel/rcu/tree_stall.h:341
 print_cpu_stall kernel/rcu/tree_stall.h:624 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:699 [inline]
 rcu_pending kernel/rcu/tree.c:3911 [inline]
 rcu_sched_clock_irq.cold+0x3f1/0x74b kernel/rcu/tree.c:2649
 update_process_times+0x16d/0x200 kernel/time/timer.c:1796
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1374
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
RIP: 0010:unwind_next_frame+0x322/0x1ce0 arch/x86/kernel/unwind_orc.c:443
Code: 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f 80 55 3d 8e 48 81 ff 88 4c dd 8e 0f 87 d8 10 00 00 48 8d 3c 85 d0 b0 d2 8d 29 ca 4c 89 ce <4c> 89 f9 e8 96 f5 ff ff 49 89 c0 4d 85 c0 0f 84 39 02 00 00 4d 8d
RSP: 0018:ffffc90000007740 EFLAGS: 00000212
RAX: 0000000000018e0f RBX: 1ffff92000000ef0 RCX: 0000000000018e0f
RDX: 0000000000000001 RSI: ffffffff8e46a9da RDI: ffffffff8dd8e90c
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8e46a9da
R10: fffff52000000f0e R11: 0000000000084087 R12: ffffc90000007860
R13: ffffc9000000784d R14: ffffc90000007818 R15: ffffffff8164c138
 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:357
 ____kasan_slab_free mm/kasan/common.c:360 [inline]
 ____kasan_slab_free mm/kasan/common.c:325 [inline]
 __kasan_slab_free+0xfb/0x130 mm/kasan/common.c:368
 kasan_slab_free include/linux/kasan.h:212 [inline]
 slab_free_hook mm/slub.c:1583 [inline]
 slab_free_freelist_hook+0xdf/0x240 mm/slub.c:1608
 slab_free mm/slub.c:3168 [inline]
 kfree+0xe5/0x7f0 mm/slub.c:4212
 skb_free_head net/core/skbuff.c:651 [inline]
 skb_release_data+0x622/0x750 net/core/skbuff.c:672
 skb_release_all net/core/skbuff.c:726 [inline]
 __kfree_skb net/core/skbuff.c:740 [inline]
 consume_skb net/core/skbuff.c:896 [inline]
 consume_skb+0xc2/0x160 net/core/skbuff.c:890
 mac80211_hwsim_tx_frame+0x157/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1781
 mac80211_hwsim_beacon_tx+0x4ba/0x910 drivers/net/wireless/mac80211_hwsim.c:1834
 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1857
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:559
 invoke_softirq kernel/softirq.c:433 [inline]
 __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline]
RIP: 0010:__orc_find+0x83/0xf0 arch/x86/kernel/unwind_orc.c:52
Code: 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 <48> 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1
RSP: 0018:ffffc900022871e8 EFLAGS: 00000246
RAX: fffffffffadd2f50 RBX: ffffffff8e399350 RCX: ffffffff8916c229
RDX: 0000000000000000 RSI: ffffffff8ed7a928 RDI: ffffffff8e399340
RBP: ffffffff8e399340 R08: 0000000000000000 R09: ffffffff8ed7a928
R10: fffff52000450e6c R11: 0000000000084087 R12: ffffffff8e399360
R13: ffffffff8e399340 R14: ffffffff8e399340 R15: dffffc0000000000
 orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
 unwind_next_frame+0x32a/0x1ce0 arch/x86/kernel/unwind_orc.c:443
 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 save_stack+0x151/0x1e0 mm/page_owner.c:119
 __reset_page_owner+0x5d/0x170 mm/page_owner.c:140
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1298 [inline]
 free_pcp_prepare+0x223/0x300 mm/page_alloc.c:1342
 free_unref_page_prepare mm/page_alloc.c:3250 [inline]
 free_unref_page+0x12/0x1d0 mm/page_alloc.c:3298
 kasan_depopulate_vmalloc_pte+0x5c/0x70 mm/kasan/shadow.c:369
 apply_to_pte_range mm/memory.c:2436 [inline]
 apply_to_pmd_range mm/memory.c:2480 [inline]
 apply_to_pud_range mm/memory.c:2516 [inline]
 apply_to_p4d_range mm/memory.c:2552 [inline]
 __apply_to_page_range+0x69a/0x1050 mm/memory.c:2586
 kasan_release_vmalloc+0xa7/0xc0 mm/kasan/shadow.c:479
 __purge_vmap_area_lazy+0x8f9/0x1c50 mm/vmalloc.c:1652
 _vm_unmap_aliases.part.0+0x3dd/0x4f0 mm/vmalloc.c:2055
 _vm_unmap_aliases mm/vmalloc.c:2029 [inline]
 vm_unmap_aliases+0x47/0x50 mm/vmalloc.c:2078
 change_page_attr_set_clr+0x241/0x500 arch/x86/mm/pat/set_memory.c:1740
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
 set_memory_ro+0x78/0xa0 arch/x86/mm/pat/set_memory.c:1943
 bpf_jit_binary_lock_ro include/linux/filter.h:852 [inline]
 bpf_int_jit_compile+0xe11/0x11b0 arch/x86/net/bpf_jit_comp.c:2329
 bpf_prog_select_runtime+0x464/0x6a0 kernel/bpf/core.c:1867
 bpf_prog_load+0xe75/0x1f40 kernel/bpf/syscall.c:2221
 __do_sys_bpf+0x1272/0x4f40 kernel/bpf/syscall.c:4411
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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:00007f31f711f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000078 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe804e716f R14: 00007f31f711f300 R15: 0000000000022000