rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2655 jiffies s: 1689 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3828 Comm: syz.0.39 Not tainted 6.1.105-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:84 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x71/0x290 mm/kasan/generic.c:189
Code: 54 37 ff 49 c1 ea 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 <49> f7 d2 49 01 da 41 80 39 00 0f 85 c4 01 00 00 49 ff c1 49 ff c2
RSP: 0018:ffffc900001dfeb8 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 1ffffffff242be7f RCX: ffffffff816bd664
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9215f3f8
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff242be7f
R10: 1ffffffff242be7f R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200003bfe8 R14: fffffbfff242be80 R15: ffffffff9215f3f8
FS:  00007f7cc08fa6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f710ff8 CR3: 000000005a266000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
 debug_spin_unlock kernel/locking/spinlock_debug.c:100 [inline]
 do_raw_spin_unlock+0x54/0x8a0 kernel/locking/spinlock_debug.c:140
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock_irqrestore+0x7d/0x130 kernel/locking/spinlock.c:194
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:481
 __run_hrtimer kernel/time/hrtimer.c:1654 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 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
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 12 6e 32 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 77 b9 ae f6 65 8b 05 18 c2 52 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0360 EFLAGS: 00000206
RAX: 0fb80d4490773300 RBX: 1ffff9200003c070 RCX: ffffffff816ae04a
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: ffffc900001e03f0 R08: dffffc0000000000 R09: fffffbfff20e744c
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200003c06c R14: ffffc900001e0380 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 cma_netevent_callback+0x857/0x990 drivers/infiniband/core/cma.c:5194
 notifier_call_chain kernel/notifier.c:87 [inline]
 atomic_notifier_call_chain+0x17c/0x2c0 kernel/notifier.c:225
 neigh_cleanup_and_release+0xd9/0x300 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:225 [inline]
 neigh_remove_one+0x5c6/0x6d0 net/core/neighbour.c:246
 neigh_forced_gc net/core/neighbour.c:279 [inline]
 neigh_alloc net/core/neighbour.c:485 [inline]
 ___neigh_create+0x459/0x24b0 net/core/neighbour.c:648
 ip6_finish_output2+0x14f2/0x1530 net/ipv6/ip6_output.c:125
 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
 ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:212
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xbab/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
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 99 74 b0 f6 e8 54 72 e3 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 f9 2a 34 f7 48
RSP: 0018:ffffc90004c87880 EFLAGS: 00000282
RAX: 0fb80d4490773300 RBX: 1ffff92000990f18 RCX: ffffffff91f32103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: ffffc90004c87930 R08: ffffffff9013d040 R09: ffffffff9013d048
R10: ffffffff9013d058 R11: ffffffff9013d050 R12: 1ffff92000990f10
R13: 1ffff92000990f14 R14: ffffc90004c878a0 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:stack_trace_consume_entry+0xf1/0x270 kernel/stacktrace.c:93
Code: 00 fc ff df 48 8b 1b 45 8d 70 01 41 0f b6 04 17 84 c0 0f 85 2d 01 00 00 45 89 31 4a 8d 1c c3 48 89 d8 48 c1 e8 03 80 3c 10 00 <74> 1a 4d 89 cf 48 89 df 49 89 d6 49 89 f5 e8 4c bf 69 00 4d 89 f9
RSP: 0018:ffffc90004c879f0 EFLAGS: 00000246
RAX: 1ffff92000990f81 RBX: ffffc90004c87c08 RCX: ffffffff8fdae000
RDX: dffffc0000000000 RSI: ffffffff895d8036 RDI: ffffc90004c87b2c
RBP: ffffc90004c87b28 R08: 0000000000000001 R09: ffffc90004c87b30
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000990f65
R13: 1ffff92000990f65 R14: 0000000000000002 R15: 1ffff92000990f66
 arch_stack_walk+0x101/0x140 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 ref_tracker_alloc+0x179/0x470 lib/ref_tracker.c:91
 netns_tracker_alloc include/net/net_namespace.h:327 [inline]
 get_net_track include/net/net_namespace.h:343 [inline]
 sk_alloc+0x1aa/0x350 net/core/sock.c:2112
 inet6_create+0x6d6/0x1130 net/ipv6/af_inet6.c:192
 __sock_create+0x488/0x910 net/socket.c:1550
 sock_create net/socket.c:1601 [inline]
 __sys_socket_create net/socket.c:1638 [inline]
 __sys_socket+0x136/0x3a0 net/socket.c:1666
 __do_sys_socket net/socket.c:1679 [inline]
 __se_sys_socket net/socket.c:1677 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1677
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7cbfb79e79
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:00007f7cc08fa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f7cbfd15f80 RCX: 00007f7cbfb79e79
RDX: 000000000000003a RSI: 0000000000000003 RDI: 000000000000000a
RBP: 00007f7cbfbe7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7cbfd15f80 R15: 00007ffd3e9e5408
 </TASK>