rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2836 jiffies s: 1481 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 PID: 3778 Comm: syz.2.22 Not tainted 6.1.113-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:trace_event_get_offsets_lock include/trace/events/lock.h:50 [inline]
RIP: 0010:perf_trace_lock+0xe7/0x440 include/trace/events/lock.h:50
Code: 38 84 c0 0f 85 02 03 00 00 c7 84 24 a0 00 00 00 00 00 00 00 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 48 89 44 24 38 42 80 3c 38 00 <74> 08 48 89 df e8 2f 65 78 00 48 89 5c 24 40 48 8b 03 48 85 c0 48
RSP: 0000:ffffc90000006f40 EFLAGS: 00000046
RAX: 1ffffffff2ec9fff RBX: ffffffff9764fff8 RCX: 0000000000006f03
RDX: ffffffff8179f2bd RSI: ffffffff9764ffe0 RDI: ffffc90000006fc0
RBP: ffffc90000007050 R08: dffffc0000000000 R09: fffffbfff1d34056
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff9764ffe0
R13: ffffffff8179f2bd R14: ffffffff8d1f74a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f120000 CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x995/0xa20 kernel/locking/lockdep.c:5673
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194
 debug_hrtimer_deactivate kernel/time/hrtimer.c:426 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:482
 __run_hrtimer kernel/time/hrtimer.c:1657 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1106 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:244 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x4/0x80 kernel/kcov.c:320
Code: 89 f8 89 f6 49 ff c2 4c 89 11 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 c3 0f 1f 00 4c 8b 04 24 <65> 48 8b 0d 94 d8 77 7e 65 8b 05 95 d8 77 7e 25 00 01 ff 00 74 10
RSP: 0000:ffffc900000075b8 EFLAGS: 00000246
RAX: 1ffff1100f5faa65 RBX: 0000000000000000 RCX: ffff888077820000
RDX: ffff888019b5d940 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000077a8 R08: ffffffff897a4326 R09: ffffc90000007710
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807afd52b0
R13: dffffc0000000000 R14: ffff88807afd5301 R15: 0000000000000000
 ip6_packet_match net/ipv6/netfilter/ip6_tables.c:74 [inline]
 ip6t_do_table+0x886/0x1830 net/ipv6/netfilter/ip6_tables.c:308
 ip6t_mangle_out net/ipv6/netfilter/ip6table_mangle.c:49 [inline]
 ip6table_mangle_hook+0x214/0x7a0 net/ipv6/netfilter/ip6table_mangle.c:71
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
 nf_hook include/linux/netfilter.h:257 [inline]
 NF_HOOK include/linux/netfilter.h:300 [inline]
 ndisc_send_skb+0x1388/0x14e0 net/ipv6/ndisc.c:511
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1106 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x36/0xb0 kernel/rcu/tree.c:721
Code: e8 bf cc 33 09 89 c3 83 f8 08 73 76 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 70 d8 d8 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 e0 94 6e 00 48 c7 c3 a8 56 03 00 49 03 1e 48 89
RSP: 0000:ffffc900049772d0 EFLAGS: 00000246
RAX: 1ffffffff19b1b0e RBX: 0000000000000000 RCX: ffff888019b5d940
RDX: ffff888019b5d940 RSI: ffffffff8b5d7320 RDI: ffffffff8b5d72e0
RBP: 0000000000000001 R08: ffffffff81ecb83d R09: fffffbfff224604d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001850500
R13: ffff88801db69d00 R14: ffffffff8cd8d870 R15: dffffc0000000000
 rcu_read_lock include/linux/rcupdate.h:792 [inline]
 page_ext_get+0x56/0x2a0 mm/page_ext.c:157
 page_table_check_clear+0x4b/0x6d0 mm/page_table_check.c:71
 zap_pte_range mm/memory.c:1435 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x1b4a/0x2740 mm/memory.c:1645
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x252/0x9f0 mm/mmap.c:3227
 __mmput+0x115/0x3c0 kernel/fork.c:1199
 exit_mm+0x226/0x300 kernel/exit.c:565
 do_exit+0x9f6/0x26a0 kernel/exit.c:858
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2870
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0033:0x7fc8b377dff9
Code: Unable to access opcode bytes at 0x7fc8b377dfcf.
RSP: 002b:00007fc8b4576038 EFLAGS: 00000246
RAX: 0000000000000009 RBX: 00007fc8b3936058 RCX: 00007fc8b377dff9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fc8b37f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8b3936058 R15: 00007ffe405eaa58
 </TASK>