rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=2b3/1/0x4000000000000000 softirq=272132/272132 fqs=0 
	(t=10502 jiffies g=549601 q=3)
rcu: rcu_preempt kthread starved for 10503 jiffies! g549601 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:28736 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4940 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6287
 schedule+0xd3/0x270 kernel/sched/core.c:6366
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
 rcu_gp_fqs_loop+0x186/0x800 kernel/rcu/tree.c:1957
 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2130
 kthread+0x3e5/0x4d0 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: 19217 Comm: syz-executor.1 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rdtsc_ordered arch/x86/include/asm/msr.h:234 [inline]
RIP: 0010:read_tsc+0x0/0x10 arch/x86/kernel/tsc.c:1095
Code: cc cc cc cc cc cc cc cc cc cc 8b 05 be 9f 43 0c c3 66 0f 1f 84 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <0f> 01 f9 66 90 48 c1 e2 20 48 09 d0 c3 0f 1f 00 48 c7 c0 d0 3f 6e
RSP: 0018:ffffc90000dc06a8 EFLAGS: 00000046
RAX: 1ffffffff16f45f4 RBX: 00000000000a1200 RCX: 0000000000000100
RDX: ffff88804174d580 RSI: ffffffff81666364 RDI: ffffffff8b7a2fa0
RBP: 00000000000a1200 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8166635a R11: 0000000000000000 R12: ffffffff8b7a2fa0
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880b9d22440
FS:  00007ff83c79a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000349a708 CR3: 0000000085c6f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 tk_clock_read kernel/time/timekeeping.c:193 [inline]
 timekeeping_get_delta kernel/time/timekeeping.c:253 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:386 [inline]
 ktime_get+0x1e4/0x470 kernel/time/timekeeping.c:829
 hrtimer_forward_now include/linux/hrtimer.h:506 [inline]
 perf_swevent_hrtimer+0x246/0x3f0 kernel/events/core.c:10546
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x78f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1527
Code: bb ac 3c 00 00 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 36 09 00 00 44 0f b6 bb ac 3c 00 00 <31> ff 44 89 fe e8 07 f7 3f fc 45 84 ff 0f 84 77 ff ff ff e8 b9 f0
RSP: 0018:ffffc90000dc0ba0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807525b2a0 RCX: 0000000000000100
RDX: 0000000000000004 RSI: ffffffff85363043 RDI: ffff88807525ef4c
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff85363079 R11: 0000000000000000 R12: ffff88805776f500
R13: ffff88807a15b4d0 R14: ffff88807a15b2a0 R15: 0000000000000000
 mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784
 mac80211_hwsim_beacon_tx+0x49b/0x930 drivers/net/wireless/mac80211_hwsim.c:1838
 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:free_vmap_area_rb_augment_cb_compute_max mm/vmalloc.c:776 [inline]
RIP: 0010:free_vmap_area_rb_augment_cb_propagate mm/vmalloc.c:776 [inline]
RIP: 0010:augment_tree_propagate_from mm/vmalloc.c:1012 [inline]
RIP: 0010:merge_or_add_vmap_area_augment mm/vmalloc.c:1151 [inline]
RIP: 0010:__purge_vmap_area_lazy+0x7d6/0x1c50 mm/vmalloc.c:1685
Code: 00 00 4c 8b 73 10 4d 85 f6 74 26 e8 24 99 c4 ff 49 8d 7e 28 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 85 0f 00 00 49 8b 46 28 <48> 39 c5 48 0f 42 e8 e8 fe 98 c4 ff 48 8d 7b 08 48 89 f8 48 c1 e8
RSP: 0018:ffffc90001baf5e8 EFLAGS: 00000246
RAX: ffffc8ffffffffff RBX: ffff888015dbe670 RCX: ffffc9000b57b000
RDX: 0000000000040000 RSI: ffffffff81b1881c RDI: ffff88801d130458
RBP: 0000000000001000 R08: 0000000000000000 R09: ffff8880b9d3298b
R10: ffffffff81b187b6 R11: 0000000000000000 R12: ffffc90000e40000
R13: ffffc90000e38000 R14: ffff88801d130430 R15: dffffc0000000000
 _vm_unmap_aliases.part.0+0x3f0/0x500 mm/vmalloc.c:2095
 _vm_unmap_aliases mm/vmalloc.c:2069 [inline]
 vm_unmap_aliases+0x47/0x50 mm/vmalloc.c:2118
 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:890 [inline]
 bpf_int_jit_compile+0xe36/0x11e0 arch/x86/net/bpf_jit_comp.c:2338
 bpf_prog_select_runtime+0x464/0x6a0 kernel/bpf/core.c:1914
 bpf_prog_load+0xe8b/0x21f0 kernel/bpf/syscall.c:2305
 __sys_bpf+0x67e/0x5df0 kernel/bpf/syscall.c:4587
 __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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:00007ff83c79a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000048 RSI: 0000000020000500 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffed4d83d6f R14: 00007ff83c79a300 R15: 0000000000022000
NMI backtrace for cpu 0
CPU: 0 PID: 19220 Comm: syz-executor.3 Not tainted 5.14.0-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+0xcd/0x134 lib/dump_stack.c:105
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 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:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3880 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2599
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3ba/0xb40 kernel/locking/qspinlock.c:508
Code: eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 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
RSP: 0018:ffffc90001eff658 EFLAGS: 00000206
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff17538e0
RDX: 0000000000000001 RSI: ffffffff817c4a01 RDI: ffffffff81334591
RBP: ffffffff8ba9c700 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817c49c9 R11: 0000000000000000 R12: 00000000000030e7
R13: fffffbfff17538e0 R14: 0000000000000001 R15: ffff8880b9c327c0
 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:115
 spin_lock include/linux/spinlock.h:363 [inline]
 preload_this_cpu_lock mm/vmalloc.c:1488 [inline]
 alloc_vmap_area+0xba1/0x1e00 mm/vmalloc.c:1530
 __get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2411
 __vmalloc_node_range+0x12a/0x9e0 mm/vmalloc.c:2998
 __vmalloc_node mm/vmalloc.c:3057 [inline]
 __vmalloc+0x69/0x80 mm/vmalloc.c:3071
 bpf_prog_alloc_no_stats+0x38/0x360 kernel/bpf/core.c:87
 bpf_prog_alloc+0x28/0x1a0 kernel/bpf/core.c:121
 bpf_prog_load+0x651/0x21f0 kernel/bpf/syscall.c:2248
 __sys_bpf+0x67e/0x5df0 kernel/bpf/syscall.c:4587
 __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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:00007fe5d5411188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000048 RSI: 0000000020000500 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffc4db8cfbf R14: 00007fe5d5411300 R15: 0000000000022000
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	cc                   	int3
   a:	8b 05 be 9f 43 0c    	mov    0xc439fbe(%rip),%eax        # 0xc439fce
  10:	c3                   	retq
  11:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  18:	00 00
  1a:	c3                   	retq
  1b:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  22:	00 00 00 00
  26:	0f 1f 40 00          	nopl   0x0(%rax)
* 2a:	0f 01 f9             	rdtscp <-- trapping instruction
  2d:	66 90                	xchg   %ax,%ax
  2f:	48 c1 e2 20          	shl    $0x20,%rdx
  33:	48 09 d0             	or     %rdx,%rax
  36:	c3                   	retq
  37:	0f 1f 00             	nopl   (%rax)
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	c0 d0 3f             	rcl    $0x3f,%al
  3f:	6e                   	outsb  %ds:(%rsi),(%dx)