rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2670 jiffies s: 405 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: 5794 Comm: syz-executor369 Not tainted 6.1.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:check_preemption_disabled+0x2/0x110 lib/smp_processor_id.c:13
Code: 3c 8d 48 89 de e8 6e 67 bd f9 e9 6d ff ff ff cc cc cc cc cc cc cc cc cc 48 c7 c7 80 70 5f 8b 48 c7 c6 c0 70 5f 8b eb 00 41 57 <41> 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc90003ed6310 EFLAGS: 00000207
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816adbb7
RDX: 0000000000000000 RSI: ffffffff8b5f70c0 RDI: ffffffff8b5f7080
RBP: ffffc90003ed6478 R08: dffffc0000000000 R09: fffffbfff1d416c6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007dac74
R13: ffffffff8a5522c0 R14: ffffffff8a5522c0 R15: dffffc0000000000
FS:  00007f9ec121c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ec121cd58 CR3: 0000000030992000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x11/0xb0 kernel/rcu/tree.c:721
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xd6/0xa20 kernel/locking/lockdep.c:5673
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]
 _raw_spin_unlock_bh+0x17/0x30 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1235 [inline]
 tipc_sk_rcv+0x430/0x1dd0 net/tipc/socket.c:2491
 tipc_node_xmit+0x1da/0xf50 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
 tipc_sk_rcv+0x16c2/0x1dd0 net/tipc/socket.c:2501
 tipc_node_xmit+0x1da/0xf50 net/tipc/node.c:1703
 tipc_sk_push_backlog+0x50f/0x920 net/tipc/socket.c:1316
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline]
 tipc_sk_proto_rcv+0xa56/0x1a50 net/tipc/socket.c:2158
 tipc_sk_filter_rcv+0x32c0/0x35a0 net/tipc/socket.c:2352
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x8b8/0x1dd0 net/tipc/socket.c:2497
 tipc_node_xmit+0x1da/0xf50 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x309/0x440 net/tipc/node.c:1783
 tipc_sk_backlog_rcv+0x19e/0x230 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1119 [inline]
 __release_sock+0x198/0x4b0 net/core/sock.c:2939
 release_sock+0x5d/0x1c0 net/core/sock.c:3503
 sk_setsockopt+0x2329/0x34c0 net/core/sock.c:-1
 __sys_setsockopt+0x5dd/0xa00 net/socket.c:2284
 __do_sys_setsockopt net/socket.c:2299 [inline]
 __se_sys_setsockopt net/socket.c:2296 [inline]
 __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2296
 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: 0033:0x7f9ec127c3e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9ec121c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f9ec121c6c0 RCX: 00007f9ec127c3e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f9ec1306338 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 00002000000002c0
R13: 00007f9ec1306330 R14: 00007f9ec130633c R15: 0000200000000004
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.880 msecs