rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=01d/1/0x4000000000000000 softirq=39114/39115 fqs=2100 
	(detected by 0, t=10506 jiffies, g=47913, q=908)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 13881 Comm: syz.3.2479 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1669 [inline]
RIP: 0010:__hrtimer_run_queues+0x46f/0xcf0 kernel/time/hrtimer.c:1752
Code: bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 84 c0 0f 85 ed 04 00 00 41 21 5d 00 49 8d 5e 28 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 27 e5 5a 00 4c 8b 2b 4c 89 e7 48 8b b4 24 a0 00
RSP: 0018:ffffc90000dd0d60 EFLAGS: 00000046
RAX: 1ffff1100fa2066d RBX: ffff88807d103368 RCX: ffff88802b4dbb80
RDX: 0000000000010000 RSI: ffff8880b8f2a350 RDI: ffff88807d103348
RBP: ffffc90000dd0ea8 R08: ffffffff8438c484 R09: fffffbfff1c150ee
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f2a200
R13: ffff8880b8f2a200 R14: ffff88807d103340 R15: dffffc0000000000
FS:  00007fc72f7c36c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc72f7a2d58 CR3: 000000002b1f9000 CR4: 00000000003506e0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [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 42 80 81 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e7 9e 0e f7 65 8b 05 f8 81 b9 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900030cf5a0 EFLAGS: 00000206
RAX: 2b50a48cbd7f5300 RBX: 1ffff92000619eb8 RCX: ffffffff81633dd8
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: 0000000000000001
RBP: ffffc900030cf630 R08: dffffc0000000000 R09: fffffbfff2131837
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000619eb4 R14: ffffc900030cf5c0 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
 __wake_up_common_lock kernel/sched/wait.c:140 [inline]
 __wake_up_sync_key+0x121/0x1c0 kernel/sched/wait.c:205
 __unix_dgram_recvmsg+0x5fe/0x1260 net/unix/af_unix.c:2331
 ____sys_recvmsg+0x286/0x530
 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2697
 do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
 __sys_recvmmsg net/socket.c:2870 [inline]
 __do_sys_recvmmsg net/socket.c:2893 [inline]
 __se_sys_recvmmsg net/socket.c:2886 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc73197b169
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:00007fc72f7c3038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc731b94080 RCX: 00007fc73197b169
RDX: 0000000000010106 RSI: 00004000000000c0 RDI: 0000000000000004
RBP: 00007fc7319fc2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc731b94080 R15: 00007ffc94675f48
 </TASK>