rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10450 ticks this GP) idle=bc6/1/0x4000000000000000 softirq=187488/187494 fqs=0 
	(t=10500 jiffies g=363549 q=454)
rcu: rcu_preempt kthread starved for 10500 jiffies! g363549 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:28864 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4681 [inline]
 __schedule+0x93a/0x26f0 kernel/sched/core.c:5938
 schedule+0xd3/0x270 kernel/sched/core.c:6017
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline]
 rcu_gp_kthread+0xd34/0x1980 kernel/rcu/tree.c:2169
 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: 15772 Comm: syz-executor.1 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_release kernel/locking/lockdep.c:5313 [inline]
RIP: 0010:lock_release+0x26b/0x720 kernel/locking/lockdep.c:5645
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 47 04 00 00 66 f7 43 22 f0 ff <74> 36 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea
RSP: 0018:ffffc90000dc0258 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff8880799c8ab8 RCX: ffffc90000dc02a8
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880799c8ada
RBP: 1ffff920001b804d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8b97c280
R13: 0000000000000006 R14: ffff8880799c89e8 R15: ffff8880799c8000
FS:  00007f7b1ffcc700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b1ffab718 CR3: 0000000094d23000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_lock_release include/linux/rcupdate.h:272 [inline]
 rcu_read_unlock include/linux/rcupdate.h:720 [inline]
 __perf_output_begin kernel/events/ring_buffer.c:259 [inline]
 perf_output_begin_forward+0x4de/0xae0 kernel/events/ring_buffer.c:268
 __perf_event_output kernel/events/core.c:7450 [inline]
 perf_event_output_forward+0xf2/0x280 kernel/events/core.c:7468
 __perf_event_overflow+0x13c/0x3d0 kernel/events/core.c:9140
 perf_swevent_hrtimer+0x37c/0x3f0 kernel/events/core.c:10540
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 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+0x146/0x530 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: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:ffffc90000dc0a30 EFLAGS: 00000206
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff18efc7c
RDX: 0000000000000001 RSI: ffffffff817bd241 RDI: ffffffff81332591
RBP: ffffffff8c77e3e0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817bd209 R11: 0000000000000080 R12: 0000000000001abf
R13: fffffbfff18efc7c R14: 0000000000000001 R15: ffff8880b9d52900
 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]
 mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1516
 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:1537 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1601
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 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:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:166 [inline]
RIP: 0010:unwind_next_frame+0x308/0x1ce0 arch/x86/kernel/unwind_orc.c:443
Code: 48 8d 3c 40 4c 8d 8c 3f bc 1f e1 8d 83 c2 01 49 81 f9 f4 21 82 8e 0f 83 f3 10 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f bc 1f e1 8d <48> 81 ff f4 21 82 8e 0f 87 d8 10 00 00 48 8d 3c 85 ec c8 75 8d 29
RSP: 0018:ffffc900020df130 EFLAGS: 00000287
RAX: 000000000002142b RBX: 1ffff9200041be2e RCX: 000000000002142b
RDX: 000000000002142c RSI: 0000000000008346 RDI: ffffffff8ded98c4
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8ded98be
R10: fffff5200041be4c R11: 0000000000086088 R12: ffffc900020df250
R13: ffffc900020df23d R14: ffffc900020df208 R15: ffffffff818346c9
 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:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1628 [inline]
 slab_free_freelist_hook+0xe3/0x250 mm/slub.c:1653
 slab_free mm/slub.c:3213 [inline]
 kmem_cache_free+0x8a/0x5b0 mm/slub.c:3229
 merge_or_add_vmap_area mm/vmalloc.c:1108 [inline]
 merge_or_add_vmap_area_augment mm/vmalloc.c:1127 [inline]
 __purge_vmap_area_lazy+0xa7a/0x1c50 mm/vmalloc.c:1663
 _vm_unmap_aliases.part.0+0x3f0/0x500 mm/vmalloc.c:2073
 _vm_unmap_aliases mm/vmalloc.c:2047 [inline]
 vm_unmap_aliases+0x47/0x50 mm/vmalloc.c:2096
 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:866 [inline]
 bpf_int_jit_compile+0xe36/0x11e0 arch/x86/net/bpf_jit_comp.c:2319
 bpf_prog_select_runtime+0x464/0x6a0 kernel/bpf/core.c:1914
 bpf_prog_load+0xe8b/0x21f0 kernel/bpf/syscall.c:2278
 __sys_bpf+0x65a/0x53b0 kernel/bpf/syscall.c:4469
 __do_sys_bpf kernel/bpf/syscall.c:4573 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4571 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4571
 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:00007f7b1ffcc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd945cf32f R14: 00007f7b1ffcc300 R15: 0000000000022000
NMI backtrace for cpu 0
CPU: 0 PID: 15776 Comm: syz-executor.3 Not tainted 5.14.0-rc7-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+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: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.cold+0x9f/0x747 kernel/rcu/tree.c:2641
 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:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 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+0x146/0x530 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:638
RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x77b/0x1330 drivers/net/wireless/mac80211_hwsim.c:1527
Code: 00 00 00 c6 84 24 98 00 00 00 00 74 bb e8 6d 2e 43 fc 48 8d 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
RSP: 0018:ffffc90000007ba0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88805f3b32a0 RCX: 0000000000000100
RDX: 0000000000000004 RSI: ffffffff85327a83 RDI: ffff88805f3b6f4c
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff85327ab9 R11: 0000000000000000 R12: ffff88808a740640
R13: ffff88808f5a34d0 R14: ffff88808f5a32a0 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:1537 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1601
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 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:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0x49/0x90 kernel/sched/core.c:6326
Code: 55 53 65 48 8b 1c 25 40 f0 01 00 48 89 dd 48 c1 ed 03 48 01 c5 bf 01 00 00 00 e8 02 80 23 f8 e8 1d cc 4f f8 fb bf 01 00 00 00 <e8> d2 cd ff ff 9c 58 fa f6 c4 02 75 27 bf 01 00 00 00 e8 10 6f 23
RSP: 0018:ffffc9000215f918 EFLAGS: 00000202
RAX: 0000000000000bcd RBX: ffff88805749b880 RCX: 1ffffffff1ad8ad9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffed100ae93710 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817bd228 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 irqentry_exit+0x31/0x80 kernel/entry/common.c:427
 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:dump_stack_lvl+0x12c/0x134 lib/dump_stack.c:107
Code: 48 85 ed 74 0a e8 e3 13 7e f8 e8 6e e0 32 00 e8 d9 13 7e f8 31 ff 48 89 de e8 2f 19 7e f8 48 85 db 74 06 e8 c5 13 7e f8 fb 5b <5d> 41 5c e9 bb 13 7e f8 e8 b6 13 7e f8 48 c7 c7 c0 cd e6 89 e9 bb
RSP: 0018:ffffc9000215f9e0 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffffffff8c2691a0 RCX: ffffc90002fd2000
RDX: 0000000000040000 RSI: ffffffff88f7952b RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff88f79521 R11: 0000000000000000 R12: ffffffff89e6cdc0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 fail_dump lib/fault-inject.c:52 [inline]
 should_fail.cold+0x5/0xa lib/fault-inject.c:146
 _copy_from_user+0x2c/0x180 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:192 [inline]
 move_addr_to_kernel.part.0+0x31/0x110 net/socket.c:247
 move_addr_to_kernel net/socket.c:245 [inline]
 __copy_msghdr_from_user+0x3da/0x4b0 net/socket.c:2299
 copy_msghdr_from_user net/socket.c:2327 [inline]
 sendmsg_copy_msghdr+0xa1/0x160 net/socket.c:2425
 ___sys_sendmsg+0xc6/0x170 net/socket.c:2444
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2477
 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:00007f3bb187e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 000000000000e869 RSI: 0000000020000440 RDI: 0000000000000003
RBP: 00007f3bb187e1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe4d48e4cf R14: 00007f3bb187e300 R15: 0000000000022000
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	fa                   	cli
   4:	48 c1 ea 03          	shr    $0x3,%rdx
   8:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   c:	48 89 f8             	mov    %rdi,%rax
   f:	83 e0 07             	and    $0x7,%eax
  12:	83 c0 01             	add    $0x1,%eax
  15:	38 d0                	cmp    %dl,%al
  17:	7c 08                	jl     0x21
  19:	84 d2                	test   %dl,%dl
  1b:	0f 85 47 04 00 00    	jne    0x468
  21:	66 f7 43 22 f0 ff    	testw  $0xfff0,0x22(%rbx)
* 27:	74 36                	je     0x5f <-- trapping instruction
  29:	48 8d 7b 20          	lea    0x20(%rbx),%rdi
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df
  37:	48 89 fa             	mov    %rdi,%rdx
  3a:	48                   	rex.W
  3b:	c1                   	.byte 0xc1
  3c:	ea                   	(bad)