rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2656 jiffies s: 413 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: 7708 Comm: syz-executor270 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__lock_acquire+0x17b/0x1fd0
Code: 74 24 50 44 8b bc 24 d8 00 00 00 48 c7 c0 00 d4 9a 92 48 29 c3 48 c1 fb 03 48 bf 29 5c 8f c2 f5 28 5c 8f 48 0f af fb 41 89 fd <83> bc 24 e8 00 00 00 00 0f 85 2b 01 00 00 85 d2 0f 84 23 01 00 00
RSP: 0018:ffffc90004ebe390 EFLAGS: 00000807
RAX: ffffffff929ad400 RBX: 0000000000009fab RCX: ffffffff944bf403
RDX: 0000000000000002 RSI: dffffc0000000000 RDI: 0000000000000663
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f0d5ce R12: ffffc90004ebeb30
R13: 0000000000000663 R14: ffff88802bd4bc00 R15: 0000000000000000
FS:  00007fc78c3e46c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000029c7a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1225 [inline]
 tipc_sk_rcv+0x25a/0x1d10 net/tipc/socket.c:2493
 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x30d/0x450 net/tipc/node.c:1781
 tipc_sk_rcv+0x15e2/0x1d10 net/tipc/socket.c:2503
 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701
 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2257 [inline]
 tipc_sk_filter_rcv+0x1934/0x3480 net/tipc/socket.c:2366
 tipc_sk_enqueue net/tipc/socket.c:2447 [inline]
 tipc_sk_rcv+0x8b3/0x1d10 net/tipc/socket.c:2499
 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x30d/0x450 net/tipc/node.c:1781
 tipc_sk_backlog_rcv+0x1a2/0x230 net/tipc/socket.c:2414
 sk_backlog_rcv include/net/sock.h:1106 [inline]
 __release_sock+0x243/0x350 net/core/sock.c:2984
 release_sock+0x61/0x1f0 net/core/sock.c:3550
 sk_setsockopt+0xb19/0x3380
 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2307
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fc78c4293a9
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:00007fc78c3e4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc78c3e46c0 RCX: 00007fc78c4293a9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fc78c4b3328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007fc78c4b3320
R13: 00007fc78c4b332c R14: 00007ffff8377160 R15: 00007ffff8377248
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.593 msecs