rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2652 jiffies s: 1493 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: 3747 Comm: syz.0.9 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:seqcount_lockdep_reader_access+0x64/0x220 include/linux/seqlock.h:97
Code: 8a b5 41 48 c7 44 24 08 db b8 b5 8c 48 c7 44 24 10 c0 27 7a 81 49 89 e7 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 04 27 <66> 43 c7 44 27 09 f3 f3 43 c6 44 27 0b f3 e8 09 87 10 00 4c 89 f3
RSP: 0018:ffffc90000006940 EFLAGS: 00000806
RAX: f2f2f200f1f1f1f1 RBX: 0000000000000000 RCX: ffff88807c3b3b80
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000069f0 R08: ffffffff817a29ff R09: fffffbfff1d33f2e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000000d50 R14: ffffc90000006980 R15: 1ffff92000000d28
FS:  00007eff67f386c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8fe0b7d58 CR3: 0000000027182000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 ktime_get+0x31/0x270 kernel/time/timekeeping.c:846
 hrtimer_forward_now include/linux/hrtimer.h:508 [inline]
 perf_swevent_hrtimer+0x43b/0x4f0 kernel/events/core.c:10881
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 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
 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:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:403
Code: 8b e8 58 93 52 09 65 66 8b 05 d0 6d af 7e 66 85 c0 75 57 bf 01 00 00 00 e8 f1 45 0a 00 e8 9c 40 3d 00 fb 65 8b 05 bc 3d ae 7e <85> c0 75 05 e8 6b 61 ac ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90000006fe0 EFLAGS: 00000282
RAX: 0000000000000300 RBX: 1ffff92000000e00 RCX: ffffffff816af0fa
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5d7180
RBP: ffffc90000007090 R08: dffffc0000000000 R09: fffffbfff223ba62
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000000e04 R14: ffffc90000007020 R15: 0000000000000201
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 wg_packet_send_staged_packets+0x30f/0x18a0 drivers/net/wireguard/send.c:352
 wg_xmit+0xb93/0x10c0 drivers/net/wireguard/device.c:217
 __netdev_start_xmit include/linux/netdevice.h:4853 [inline]
 netdev_start_xmit include/linux/netdevice.h:4867 [inline]
 xmit_one net/core/dev.c:3627 [inline]
 dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3643
 __dev_queue_xmit+0x1bb1/0x3cf0 net/core/dev.c:4293
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0xee6/0x15f0 net/ipv6/ip6_output.c:138
 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline]
 ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:216
 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:in_task_stack+0x25/0x40 arch/x86/kernel/dumpstack.c:42
Code: cc cc cc cc cc 48 8b 4e 20 48 8d b1 00 80 00 00 48 39 f9 41 0f 96 c0 48 39 fe 0f 97 c0 44 20 c0 3c 01 75 16 c7 02 01 00 00 00 <48> 89 4a 08 48 89 72 10 48 c7 42 18 00 00 00 00 c3 66 2e 0f 1f 84
RSP: 0018:ffffc900046cef50 EFLAGS: 00000246
RAX: 1ffff920008d9e01 RBX: ffff88807c3b3b80 RCX: ffffc900046c8000
RDX: ffffc900046cf020 RSI: ffffc900046d0000 RDI: ffffc900046cefc0
RBP: ffffc900046cefc0 R08: dffffc0000000001 R09: ffffc900046cf020
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900046cf020
R13: ffffc900046cf048 R14: ffffc900046cf040 R15: 1ffff920008d9e09
 get_stack_info_noinstr+0x16/0x130 arch/x86/kernel/dumpstack_64.c:173
 get_stack_info+0x37/0xf0 arch/x86/kernel/dumpstack_64.c:199
 __unwind_start+0x437/0x720 arch/x86/kernel/unwind_orc.c:686
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
 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
 kmem_cache_zalloc include/linux/slab.h:683 [inline]
 lsm_inode_alloc security/security.c:596 [inline]
 security_inode_alloc+0x24/0x110 security/security.c:1040
 inode_init_always+0x943/0xc70 fs/inode.c:232
 alloc_inode fs/inode.c:268 [inline]
 new_inode_pseudo+0x94/0x1d0 fs/inode.c:1055
 new_inode+0x25/0x1d0 fs/inode.c:1083
 proc_pid_make_inode+0x21/0x1c0 fs/proc/base.c:1897
 proc_pident_instantiate+0x72/0x2a0 fs/proc/base.c:2643
 proc_pident_lookup+0x1ca/0x260 fs/proc/base.c:2679
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component fs/namei.c:1998 [inline]
 link_path_walk+0x9d6/0xee0 fs/namei.c:2325
 path_openat+0x23d/0x2e60 fs/namei.c:3781
 do_filp_open+0x230/0x480 fs/namei.c:3812
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 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: 0033:0x7eff6717c990
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 19 8f 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 6c 8f 02 00 8b 44
RSP: 002b:00007eff67f37f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007eff6717c990
RDX: 0000000000000002 RSI: 00007eff67f37fa0 RDI: 00000000ffffff9c
RBP: 00007eff67f37fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007eff67335f80 R15: 00007ffe77579c38
 </TASK>