rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=fb64/1/0x4000000000000000 softirq=20511/20511 fqs=0
rcu: 	(t=10500 jiffies g=25417 q=116 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g25417 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=8841
rcu: rcu_preempt kthread starved for 10500 jiffies! g25417 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
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:26256 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2572
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
CPU: 0 PID: 1575 Comm: syz-executor916 Not tainted 6.8.0-syzkaller-05260-g3201de46a201 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1059
Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 0a 09 55 00 e8 25 38 5c 00 45 38 f7 75 15 66 90 e8 79 08 55 00 0f 00 2d a2 47 68 0a fb f4 <e9> 50 fe ff ff e8 66 08 55 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38
RSP: 0018:ffffc9000b9277a0 EFLAGS: 000002d3
RAX: ffffffff813fe7f7 RBX: ffff88802d324c00 RCX: ffff888074439e00
RDX: 0000000000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec660
RBP: ffffc9000b927870 R08: ffffffff92cc75cf R09: 1ffffffff2598eb9
R10: dffffc0000000000 R11: fffffbfff2598eba R12: 1ffff92001724ef8
R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003
FS:  00007f05df9046c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000007b492000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:596 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6ff/0xc60 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x6a/0x100 net/core/sock.c:3538
 lock_sock include/net/sock.h:1671 [inline]
 tipc_sendstream+0x47/0x70 net/tipc/socket.c:1549
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f05df9493a9
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:00007f05df904228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f05df9493a9
RDX: 0000000000000000 RSI: 0000000020000b40 RDI: 0000000000000004
RBP: 00007f05df9d3328 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05df9d3320
R13: 00007f05df9d332c R14: 00007ffdd3135530 R15: 00007ffdd3135618
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1576 Comm: syz-executor916 Not tainted 6.8.0-syzkaller-05260-g3201de46a201 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4799 [inline]
RIP: 0010:__lock_acquire+0x91c/0x1fd0 kernel/locking/lockdep.c:5087
Code: 8b e8 98 20 e6 ff 48 ba 00 00 00 00 00 fc ff df 90 0f 0b 90 90 90 31 db 48 8d ab c4 00 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 <84> c0 0f 85 91 00 00 00 0f b6 6d 00 40 84 ed 74 32 0f b6 44 24 28
RSP: 0018:ffffc9000ba460b0 EFLAGS: 00000803
RAX: 0000000000000000 RBX: ffffffff929fce38 RCX: ffffffff8171a85e
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92cc75c8
RBP: ffffffff929fcefc R08: ffffffff92cc75cf R09: 1ffffffff2598eb9
R10: dffffc0000000000 R11: fffffbfff2598eba R12: 0000000000000000
R13: ffff88807443c6f8 R14: 0000000000000000 R15: ffff88807443c6f8
FS:  00007f05df8e36c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05df8e3d58 CR3: 000000007b492000 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
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 net_generic+0x3c/0x240 include/net/netns/generic.h:45
 tipc_sk_lookup+0xbe/0x940 net/tipc/socket.c:2999
 tipc_sk_rcv+0x434/0x1d10 net/tipc/socket.c:2494
 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+0x513/0x930 net/tipc/socket.c:1316
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline]
 tipc_sk_proto_rcv+0x9ec/0x1980 net/tipc/socket.c:2160
 tipc_sk_filter_rcv+0x3203/0x3480 net/tipc/socket.c:2354
 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: 0033:0x7f05df9493a9
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:00007f05df8e3228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f05df8e36c0 RCX: 00007f05df9493a9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f05df9d3338 R08: 0000000000000004 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 00007f05df9d3330
R13: 00007f05df9d333c R14: 00007ffdd3135530 R15: 00007ffdd3135618
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.623 msecs