rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 13323 jiffies s: 12497 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7438 Comm: syz.2.417 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20
Code: 56 a6 5b 0a e9 61 06 00 00 90 f3 0f 1e fa 0f 1f 00 fc 6a ff e8 11 05 00 00 48 89 c4 48 89 e7 e8 66 a5 5b 0a e9 41 06 00 00 90 <f3> 0f 1e fa 0f 1f 00 fc 6a ff e8 f1 04 00 00 48 89 c4 48 89 e7 e8
RSP: 0018:ffffc90000006b88 EFLAGS: 00000803
RAX: 0000000000000000 RBX: ffffffff8f93dbc0 RCX: ffffffff8f93dbc4
RDX: ffffffff900c38fa RSI: ffffffff900c38fa RDI: ffffffff8bc08280
RBP: dffffc0000000000 R08: 0000000000000022 R09: ffffffff8df41a20
R10: ffffc90000006cd8 R11: ffffffff81ada120 R12: ffffffff900c38fe
R13: ffffffff900c38ff R14: ffffc90000006c88 R15: ffffffff8f93dbc0
FS:  00007fc0246f56c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000180 CR3: 000000016f044000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
RIP: 0010:unwind_next_frame+0x484/0x23d0
Code: d2 84 c0 48 0f 45 d1 48 89 15 98 ae 10 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 6d 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90000006bb8 EFLAGS: 00000a03
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 skb_release_head_state+0x71/0x360
 consume_skb+0x60/0xf0
 geneve_xmit+0x20af/0x2b90
 dev_hard_start_xmit+0x2cd/0x800
 __dev_queue_xmit+0x1493/0x3140
 ip6_finish_output2+0xf70/0x1480
 ip6_output+0x340/0x550
 ndisc_send_skb+0xbce/0x1510
 addrconf_rs_timer+0x369/0x6a0
 call_timer_fn+0x16e/0x590
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x27d/0x850
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa 46 40 f6 48 89 df e8 32 be 40 f6 e8 bd 29 6b f6 fb bf 01 00 00 00 <e8> b2 ad 32 f6 65 8b 05 4b 50 20 07 85 c0 74 07 5b c3 cc cc cc cc
RSP: 0018:ffffc900047f7a18 EFLAGS: 00000286
RAX: a271e005b6e9aa00 RBX: ffff888113056880 RCX: a271e005b6e9aa00
RDX: 0000000000000000 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: 1ffff110217aac25 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: ffff88810bd56128
R13: dffffc0000000000 R14: 0000000000104000 R15: ffff8881751cb998
 copy_sighand+0x120/0x230
 copy_process+0x15be/0x3950
 kernel_clone+0x21e/0x820
 __x64_sys_clone+0x18b/0x1e0
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc02378f7c9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc0246f4fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fc0239e5fa0 RCX: 00007fc02378f7c9
RDX: 0000200000000000 RSI: 0000000000000000 RDI: 0000000000104000
RBP: 00007fc0237f297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fc0239e6038 R14: 00007fc0239e5fa0 R15: 00007fff8d8b3428
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7438 Comm: syz.2.417 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 f2 08 56 03 66
RSP: 0018:ffffc90000006948 EFLAGS: 00000046
RAX: 0000000000000781 RBX: ffff888121023e40 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000781 RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffffff81af68b5 R09: ffffffff998e3508
R10: 0000000000000003 R11: ffffffff81718b10 R12: 00000000100010c6
R13: dffffc0000000000 R14: 0000000000000781 R15: 0000000000000020
FS:  00007fc0246f56c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000180 CR3: 000000016f044000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1c9/0x350
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x102/0x3e0
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x484/0x23d0
Code: d2 84 c0 48 0f 45 d1 48 89 15 98 ae 10 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 6d 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90000006bb8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8f93dbc0 RCX: ffffffff8f93dbc4
RDX: ffffffff900c38fa RSI: ffffffff900c38fa RDI: ffffffff8bc08280
RBP: dffffc0000000000 R08: 0000000000000022 R09: ffffffff8df41a20
R10: ffffc90000006cd8 R11: ffffffff81ada120 R12: ffffffff900c38fe
R13: ffffffff900c38ff R14: ffffc90000006c88 R15: ffffffff8f93dbc0
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 skb_release_head_state+0x71/0x360
 consume_skb+0x60/0xf0
 geneve_xmit+0x20af/0x2b90
 dev_hard_start_xmit+0x2cd/0x800
 __dev_queue_xmit+0x1493/0x3140
 ip6_finish_output2+0xf70/0x1480
 ip6_output+0x340/0x550
 ndisc_send_skb+0xbce/0x1510
 addrconf_rs_timer+0x369/0x6a0
 call_timer_fn+0x16e/0x590
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x27d/0x850
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa 46 40 f6 48 89 df e8 32 be 40 f6 e8 bd 29 6b f6 fb bf 01 00 00 00 <e8> b2 ad 32 f6 65 8b 05 4b 50 20 07 85 c0 74 07 5b c3 cc cc cc cc
RSP: 0018:ffffc900047f7a18 EFLAGS: 00000286
RAX: a271e005b6e9aa00 RBX: ffff888113056880 RCX: a271e005b6e9aa00
RDX: 0000000000000000 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: 1ffff110217aac25 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: ffff88810bd56128
R13: dffffc0000000000 R14: 0000000000104000 R15: ffff8881751cb998
 copy_sighand+0x120/0x230
 copy_process+0x15be/0x3950
 kernel_clone+0x21e/0x820
 __x64_sys_clone+0x18b/0x1e0
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc02378f7c9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc0246f4fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fc0239e5fa0 RCX: 00007fc02378f7c9
RDX: 0000200000000000 RSI: 0000000000000000 RDI: 0000000000104000
RBP: 00007fc0237f297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fc0239e6038 R14: 00007fc0239e5fa0 R15: 00007fff8d8b3428
 </TASK>
