rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3451 jiffies s: 18065 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: 5756 Comm: syz.3.454 Not tainted 6.1.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__lock_acquire+0x112/0x1f80 kernel/locking/lockdep.c:4952
Code: 14 00 00 49 8d ad d8 0a 00 00 48 89 e8 48 c1 e8 03 48 89 44 24 28 0f b6 04 10 84 c0 0f 85 6d 15 00 00 48 89 6c 24 18 8b 75 00 <48> c7 c0 60 31 33 97 48 c1 e8 03 0f b6 04 10 84 c0 48 89 74 24 40
RSP: 0018:ffffc900001dfda0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff90bb87a0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b8f2a4d8
RBP: ffff88807c76a898 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88807c769dc0 R14: ffff8880b8f2a4d8 R15: 0000000000000001
FS:  00007fec6d9d06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fec6d9cff98 CR3: 000000004e6a0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 hrtimer_interrupt+0xf7/0x980 kernel/time/hrtimer.c:1796
 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:arch_stack_walk+0x114/0x140 arch/x86/kernel/stacktrace.c:24
Code: ff 48 89 df e8 ed 03 09 00 48 85 c0 74 1e 4c 89 f7 48 89 c6 41 ff d5 84 c0 74 11 48 89 df e8 f3 04 09 00 83 bd 70 ff ff ff 00 <75> d5 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 0f 48 83 c4 68 5b
RSP: 0018:ffffc900001e0280 EFLAGS: 00000202
RAX: 0000000000000101 RBX: ffffc900001e0280 RCX: 0000000000000101
RDX: dffffc0000000000 RSI: ffffc90004e20000 RDI: 0000000000000001
RBP: ffffc900001e0310 R08: ffffc90004e27c38 R09: ffffc900001e02d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c769dc0
R13: ffffffff81786c50 R14: ffffc900001e0360 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:557 [inline]
 kzalloc include/linux/slab.h:693 [inline]
 ref_tracker_alloc+0x13c/0x470 lib/ref_tracker.c:85
 __netdev_tracker_alloc include/linux/netdevice.h:4008 [inline]
 netdev_hold include/linux/netdevice.h:4037 [inline]
 dst_init+0xee/0x440 net/core/dst.c:52
 dst_alloc+0x155/0x190 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0x7b/0x470 net/ipv6/route.c:3269
 ndisc_send_skb+0x344/0x14e0 net/ipv6/ndisc.c:491
 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_call_function_single+0x8e/0xb0 arch/x86/kernel/smp.c:262
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:661
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 e9 f2 ae f6 e8 14 ef e1 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 79 ae 32 f7 48
RSP: 0018:ffffc90004e27540 EFLAGS: 00000286
RAX: 8ca248dfdd24ce00 RBX: 1ffff920009c4eb0 RCX: ffffffff97333103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc90004e27600 R08: ffffffff90141040 R09: ffffffff90141048
R10: ffffffff90141058 R11: ffffffff90141050 R12: 1ffff920009c4ea8
R13: 1ffff920009c4eac R14: ffffc90004e27560 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:unwind_next_frame+0x8d/0x2220
Code: a5 00 48 89 6c 24 68 48 8b 4b 38 48 89 dd 48 c1 ed 03 42 0f b6 44 35 00 84 c0 0f 85 05 1b 00 00 8b 03 85 c0 0f 84 c1 10 00 00 <89> 84 24 9c 00 00 00 48 89 8c 24 a0 00 00 00 4c 89 bc 24 80 00 00
RSP: 0018:ffffc90004e276c0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90004e277a0 RCX: ffffc90004e27c88
RDX: dffffc0000000000 RSI: ffffffff88935cf6 RDI: ffffc90004e277a0
RBP: 1ffff920009c4ef4 R08: 0000000000000005 R09: ffffc90004e27890
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c769dc0
R13: ffffffff81786c50 R14: dffffc0000000000 R15: ffffffff88935cf6
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 sk_prot_alloc+0x58/0x200 net/core/sock.c:2041
 sk_alloc+0x36/0x350 net/core/sock.c:2100
 unix_create1+0xb4/0x7f0
 unix_create+0x146/0x1f0 net/unix/af_unix.c:1011
 __sock_create+0x488/0x910 net/socket.c:1550
 sock_create net/socket.c:1601 [inline]
 __sys_socketpair+0x335/0x700 net/socket.c:1732
 __do_sys_socketpair net/socket.c:1781 [inline]
 __se_sys_socketpair net/socket.c:1778 [inline]
 __x64_sys_socketpair+0x97/0xb0 net/socket.c:1778
 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: 0033:0x7fec6cb7def9
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:00007fec6d9d0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fec6cd36058 RCX: 00007fec6cb7def9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 00007fec6cbf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fec6cd36058 R15: 00007ffd36079328
 </TASK>