rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10499 ticks this GP) idle=f72c/1/0x4000000000000000 softirq=14882/14883 fqs=0
rcu: 	(t=10500 jiffies g=6913 q=115 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g6913 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=2430
rcu: rcu_preempt kthread starved for 10500 jiffies! g6913 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27784 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x116a/0x5de0 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6878
 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2054
 rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2256
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6224 Comm: syz-executor485 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:skb_queue_len include/linux/skbuff.h:2216 [inline]
RIP: 0010:tipc_sk_rcv+0xa38/0x1bd0 net/tipc/socket.c:2488
Code: e8 dd 79 9a f6 89 de bf 01 00 00 00 e8 11 75 9a f6 83 fb 01 75 0f e8 c7 79 9a f6 48 8b 7c 24 78 e8 8d 75 2e fe e8 b8 79 9a f6 <48> 8b 44 24 60 48 c1 e8 03 42 0f b6 04 28 84 c0 74 08 3c 03 0f 8e
RSP: 0018:ffffc9000461ebf0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff8b21a21f
RDX: ffff888025a14880 RSI: ffffffff8b21a238 RDI: 0000000000000005
RBP: ffffc9000461ede0 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000005 R11: 0000000000000001 R12: ffff8880790ae600
R13: dffffc0000000000 R14: 000000003b90e629 R15: ffffc9000461ef80
FS:  00007f003dc696c0(0000) GS:ffff888124853000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f003dc69d58 CR3: 000000007790d000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tipc_node_xmit+0x232/0xfc0 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x177/0x3c0 net/tipc/node.c:1781
 tipc_sk_rcv+0x9d9/0x1bd0 net/tipc/socket.c:2499
 tipc_node_xmit+0x232/0xfc0 net/tipc/node.c:1701
 tipc_sk_push_backlog+0x318/0x9e0 net/tipc/socket.c:1312
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1366 [inline]
 tipc_sk_proto_rcv net/tipc/socket.c:2156 [inline]
 tipc_sk_filter_rcv+0x25a8/0x3020 net/tipc/socket.c:2350
 tipc_sk_enqueue net/tipc/socket.c:2443 [inline]
 tipc_sk_rcv+0xfed/0x1bd0 net/tipc/socket.c:2495
 tipc_node_xmit+0x232/0xfc0 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x177/0x3c0 net/tipc/node.c:1781
 tipc_sk_backlog_rcv+0x16f/0x1e0 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1148 [inline]
 __release_sock+0x35f/0x400 net/core/sock.c:3213
 release_sock+0x5a/0x220 net/core/sock.c:3767
 sockopt_release_sock net/core/sock.c:1159 [inline]
 sk_setsockopt+0xa92/0x3e40 net/core/sock.c:1676
 do_sock_setsockopt+0x3f2/0x470 net/socket.c:2292
 __sys_setsockopt+0x1a0/0x230 net/socket.c:2321
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2324
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f003dcd13e9
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:00007f003dc69218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f003dc696c0 RCX: 00007f003dcd13e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f003dd5b338 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000780
R13: 00007f003dd5b330 R14: 00007f003dd5b33c R15: 0000200000000004
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.270 msecs
CPU: 0 UID: 0 PID: 6223 Comm: syz-executor485 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 6b 72 02 e9 03 fb 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 f0 29 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc900045df8d8 EFLAGS: 000002d3
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002
RDX: ffff888025a12440 RSI: ffffffff816a22d1 RDI: ffffffff8c157920
RBP: ffff8880790ae740 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90a81457 R11: 0000000000000001 R12: 0000000000000003
R13: 0000000000000003 R14: ffff8880b843cc00 R15: ffffed100f215ce8
FS:  00007f003dc8a6c0(0000) GS:ffff888124753000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000007790d000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 kvm_wait arch/x86/kernel/kvm.c:1064 [inline]
 kvm_wait+0x186/0x1f0 arch/x86/kernel/kvm.c:1046
 pv_wait arch/x86/include/asm/paravirt.h:569 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline]
 __pv_queued_spin_lock_slowpath+0x4e1/0xcf0 kernel/locking/qspinlock.c:325
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:557 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x20e/0x2b0 kernel/locking/spinlock_debug.c:116
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x5f/0xf0 net/core/sock.c:3755
 lock_sock include/net/sock.h:1667 [inline]
 tipc_sendstream+0x41/0x70 net/tipc/socket.c:1545
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg net/socket.c:727 [inline]
 ____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
 __sys_sendmsg+0x16d/0x220 net/socket.c:2652
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f003dcd13e9
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:00007f003dc8a218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00007f003dcd13e9
RDX: 0000000000000000 RSI: 0000200000000780 RDI: 0000000000000004
RBP: 00007f003dd5b328 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000780
R13: 00007f003dd5b320 R14: 00007f003dd5b32c R15: 0000200000000004
 </TASK>