rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=c1fc/1/0x4000000000000000 softirq=8195/8196 fqs=39
rcu: 	(t=10502 jiffies g=7309 q=31 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10424 jiffies! g7309 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=3034
rcu: rcu_preempt kthread starved for 10427 jiffies! g7309 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:25064 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1a0b/0x4be0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1360 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </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 PID: 5302 Comm: syz-executor Not tainted 6.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:430 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x781/0xdb0 kernel/locking/qspinlock.c:508
Code: ff 42 0f b6 04 2b 84 c0 75 6c 66 c7 84 24 b0 00 00 00 00 01 48 8b 44 24 40 42 0f b6 04 28 84 c0 75 77 41 80 3e 00 74 0c f3 90 <41> ff c4 75 d2 e9 a0 00 00 00 4c 89 f7 be 02 00 00 00 e8 28 a3 bf
RSP: 0018:ffffc90003697a60 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffff920006d2f62 RCX: ffffc90003697b01
RDX: 0000000000000000 RSI: ffffffff8b6a9e40 RDI: ffffffff8bbafb00
RBP: ffffc90003697b90 R08: ffffffff927b655f R09: 1ffffffff24f6cab
R10: dffffc0000000000 R11: fffffbfff24f6cac R12: 00000000ffff87a9
R13: dffffc0000000000 R14: ffff888017697480 R15: ffffc90003697b20
FS:  00005555905bd480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005000 CR3: 000000001af58000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [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+0x29c/0x3b0 kernel/locking/spinlock_debug.c:116
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x6a/0x100 net/core/sock.c:3537
 lock_sock include/net/sock.h:1602 [inline]
 tipc_release+0xc6/0x1870 net/tipc/socket.c:637
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x429/0x8a0 fs/file_table.c:422
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close+0x166/0x230 fs/open.c:1541
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x88/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7feac127bdda
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffca606d250 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feac127bdda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007feac13ad980 R08: 0000001b2d560000 R09: 7fffffffffffffff
R10: 00007feac1f8a0b8 R11: 0000000000000293 R12: 0000000000014821
R13: 00007feac13ac05c R14: 00007feac13ac050 R15: 0000000000000032
 </TASK>
CPU: 0 PID: 5303 Comm: syz-executor Not tainted 6.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0xb8/0x9f0 kernel/locking/lockdep.c:5765
Code: 08 0f 83 e3 05 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 28 53 43 8f be 08 00 00 00 e8 30 96 85 00 48 0f a3 1d 30 3a d2 0d <73> 16 e8 c1 75 09 00 84 c0 75 0d 80 3d 1e 03 bd 0d 00 0f 84 dd 05
RSP: 0018:ffffc900036b64a0 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff817118f0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8f435328
RBP: ffffc900036b65e0 R08: ffffffff8f43532f R09: 1ffffffff1e86a65
R10: dffffc0000000000 R11: fffffbfff1e86a66 R12: 1ffff920006d6ca0
R13: ffffffff8ac8303f R14: 0000000000000055 R15: dffffc0000000000
FS:  00007feac1f896c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feac1f68d58 CR3: 000000001af58000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 rcu_lock_release include/linux/rcupdate.h:339 [inline]
 rcu_read_unlock include/linux/rcupdate.h:812 [inline]
 net_generic+0x1eb/0x240 include/net/netns/generic.h:48
 tipc_sk_lookup+0xbe/0x940 net/tipc/socket.c:2996
 tipc_sk_rcv+0x434/0x1d10 net/tipc/socket.c:2492
 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701
 tipc_node_xmit_skb+0x149/0x1b0 net/tipc/node.c:1766
 tipc_sk_rcv+0x1a87/0x1d10 net/tipc/socket.c:2522
 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701
 tipc_sk_push_backlog net/tipc/socket.c:1314 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
 tipc_sk_filter_rcv+0x1c87/0x3940 net/tipc/socket.c:2364
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x8b3/0x1d10 net/tipc/socket.c:2497
 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:2412
 __release_sock net/core/sock.c:2983 [inline]
 release_sock+0xe3/0x2d0 net/core/sock.c:3549
 tipc_release+0x1478/0x1870 net/tipc/socket.c:650
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x167/0x360 kernel/entry/common.c:218
 do_syscall_64+0x94/0x170 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7feac127cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007feac1f890c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007feac13abf80 RCX: 00007feac127cee9
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007feac12c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007feac13abf80 R15: 00007ffca606d188
 </TASK>