rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=7ba/1/0x4000000000000004 softirq=161891/161891 fqs=5242 
	(t=10502 jiffies g=222821 q=5120)
NMI backtrace for cpu 0
CPU: 0 PID: 4034 Comm: syz-executor.1 Not tainted 5.4.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fb/0x318 lib/dump_stack.c:118
 nmi_cpu_backtrace+0xaf/0x1a0 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x174/0x290 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15a/0x220 kernel/rcu/tree_stall.h:254
 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:529 [inline]
 rcu_pending kernel/rcu/tree.c:2795 [inline]
 rcu_sched_clock_irq+0xe22/0x1ae0 kernel/rcu/tree.c:2244
 update_process_times+0x12d/0x180 kernel/time/timer.c:1726
 tick_sched_handle kernel/time/tick-sched.c:167 [inline]
 tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1299
 __run_hrtimer kernel/time/hrtimer.c:1514 [inline]
 __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1576
 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1638
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
RIP: 0010:stack_trace_consume_entry+0x109/0x260 kernel/stacktrace.c:93
Code: 00 00 e8 da d9 10 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 bb 17 4a 00 4d 8b 3c 24 <4c> 89 f2 41 8d 5e 01 49 bc 00 00 00 00 00 fc ff df 43 8a 44 25 00
RSP: 0018:ffff8880aea097b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff11015d41316 RBX: 1ffff11015d41317 RCX: dffffc0000000000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880aea09800 R08: ffffffff81629d25 R09: ffff8880aea09810
R10: ffffed1015d4130e R11: 0000000000000000 R12: ffff8880aea098b0
R13: 1ffff11015d41318 R14: 000000000000000f R15: ffff8880aea09920
 arch_stack_walk+0xa8/0xe0 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0xb6/0x150 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:69 [inline]
 set_track mm/kasan/common.c:77 [inline]
 __kasan_kmalloc+0x11c/0x1b0 mm/kasan/common.c:510
 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:524
 __do_kmalloc_node mm/slab.c:3615 [inline]
 __kmalloc_node_track_caller+0x4d/0x60 mm/slab.c:3629
 __kmalloc_reserve net/core/skbuff.c:141 [inline]
 __alloc_skb+0xe8/0x500 net/core/skbuff.c:209
 alloc_skb include/linux/skbuff.h:1049 [inline]
 ndisc_alloc_skb+0xf0/0x2d0 net/ipv6/ndisc.c:417
 ndisc_send_rs+0x219/0x680 net/ipv6/ndisc.c:683
 addrconf_rs_timer+0x22e/0x5f0 net/ipv6/addrconf.c:3879
 call_timer_fn+0x95/0x170 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers+0x7b6/0x990 kernel/time/timer.c:1773
 run_timer_softirq+0x4a/0x90 kernel/time/timer.c:1786
 __do_softirq+0x333/0x7c4 arch/x86/include/asm/paravirt.h:766
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x227/0x230 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:futex_wait_queue_me+0x39f/0x4b0 kernel/futex.c:2630
Code: 00 74 08 4c 89 ff e8 b0 a1 44 00 49 c7 07 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 0f 85 0f 01 00 00 48 83 c4 40 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 e8 e2 62 0b 00 49 be 00 00 00 00 00
RSP: 0018:ffff88801131fa48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 29553c809d5f3000 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc900167b1000 RSI: 0000000000008a5c RDI: 0000000000008a5d
RBP: ffff88801131fa68 R08: ffffffff816813e7 R09: fffffbfff13464a5
R10: fffffbfff13464a5 R11: 0000000000000000 R12: ffff888067d05788
R13: 1ffff11002263f5f R14: dffffc0000000000 R15: ffff888067d04450
 futex_wait+0x252/0x770 kernel/futex.c:2733
 do_futex+0x42a/0x3de0 kernel/futex.c:3644
 __do_sys_futex kernel/futex.c:3705 [inline]
 __se_sys_futex+0x28c/0x360 kernel/futex.c:3673
 __x64_sys_futex+0xe5/0x100 kernel/futex.c:3673
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a219
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f605c9e3cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a219
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007ffe30b9d83f R14: 00007f605c9e49c0 R15: 000000000075bf2c