rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=ebcc/1/0x4000000000000000 softirq=41265/41268 fqs=2
rcu: 	(detected by 1, t=10505 jiffies, g=56153, q=255 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5056 Comm: syz-executor.4 Not tainted 6.5.0-rc5-syzkaller-00387-g4c75bf7e4a0e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__netif_schedule+0x30/0x310 net/core/dev.c:3098
Code: 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00 00 49 89 fc 65 48 8b 04 25 28 00 00 00 48 89 84 24 80 00 00 00 <48> c7 44 24 20 b3 8a b5 41 48 c7 44 24 28 cf 1c c1 8c 48 c7 44 24
RSP: 0018:ffffc90000007ba0 EFLAGS: 00000086
RAX: a70ed768f0d4d600 RBX: ffff888029739000 RCX: ffff888029cb8000
RDX: 0000000080010000 RSI: ffffffff8b58ad00 RDI: ffff888029739000
RBP: ffffc90000007c80 R08: ffffffff88dce959 R09: 1ffffffff20f6860
R10: dffffc0000000000 R11: fffffbfff20f6861 R12: ffff888029739000
R13: 177b0968976b0000 R14: ffff888043a9a800 R15: ffff888029739360
FS:  0000555556e90480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ae739d988 CR3: 00000000467fd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0xa9f/0xc80 net/sched/sch_taprio.c:997
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x13f/0x480 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:safesetid_security_capable+0x0/0x1d0 security/safesetid/lsm.c:94
Code: 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c c2 fe ff ff 48 8b 7c 24 10 e8 7e 5b eb fd e9 b3 fe ff ff 66 0f 1f 84 00 00 00 00 00 <f3> 0f 1e fa 55 41 57 41 56 41 54 53 89 cd 41 89 d4 49 89 fe e8 67
RSP: 0018:ffffc90003e5f8a8 EFLAGS: 00000246
RAX: 1ffffffff1b23e52 RBX: ffffffff8d91f278 RCX: 0000000000000000
RDX: 000000000000000c RSI: ffffffff8d1d2720 RDI: ffff888021de6c00
RBP: ffffffff8d91f290 R08: ffffffff83f1d714 R09: 1ffff920007cbf80
R10: dffffc0000000000 R11: fffff520007cbf81 R12: ffffffff8d1d2720
R13: ffff888021de6c00 R14: dffffc0000000000 R15: 000000000000000c
 security_capable+0x7a/0xb0 security/security.c:945
 ns_capable_common kernel/capability.c:362 [inline]
 ns_capable+0x6e/0xe0 kernel/capability.c:383
 do_ipt_get_ctl+0x15a/0x18c0 net/ipv4/netfilter/ip_tables.c:1646
 nf_getsockopt+0x292/0x2c0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt+0x21e/0x2e0 net/ipv4/ip_sockglue.c:1825
 tcp_getsockopt+0x160/0x1c0 net/ipv4/tcp.c:4304
 __sys_getsockopt+0x2b9/0x5e0 net/socket.c:2307
 __do_sys_getsockopt net/socket.c:2322 [inline]
 __se_sys_getsockopt net/socket.c:2319 [inline]
 __x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2319
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f013d07e68a
Code: c4 c1 e0 1a 0d 00 00 04 00 89 01 e9 e0 fe ff ff e8 3b 05 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007ffcd91a04a8 EFLAGS: 00000242 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffcd91a04d0 RCX: 00007f013d07e68a
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffcd91a04cc R09: 00007ffcd91a08e7
R10: 00007ffcd91a04d0 R11: 0000000000000242 R12: 00007f013d17a140
R13: 00007ffcd91a04cc R14: 0000000000000000 R15: 00007f013d17aec0
 </TASK>
rcu: rcu_preempt kthread starved for 10495 jiffies! g56153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:26568 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6710
 schedule+0xc3/0x180 kernel/sched/core.c:6786
 schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2c6/0x1010 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1808
 kthread+0x2b8/0x350 kernel/kthread.c:389
 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 11849 Comm: kworker/u4:10 Not tainted 6.5.0-rc5-syzkaller-00387-g4c75bf7e4a0e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:296 [inline]
RIP: 0010:smp_call_function_many_cond+0x1860/0x27d0 kernel/smp.c:835
Code: 89 ee 83 e6 01 31 ff e8 de 17 0b 00 41 83 e5 01 4c 8b 6c 24 60 75 07 e8 1e 14 0b 00 eb 41 f3 90 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 03 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 f9 13 0b
RSP: 0018:ffffc900039b7780 EFLAGS: 00000293
RAX: dffffc0000000000 RBX: 1ffff1101730897d RCX: ffff888028685940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900039b7980 R08: ffffffff8180a402 R09: 1ffffffff20f6860
R10: dffffc0000000000 R11: fffffbfff20f6861 R12: ffff8880b9844be8
R13: ffff8880b993d0c8 R14: ffff8880b993d0c0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558b9938 CR3: 000000000d130000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1003
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2001 [inline]
 text_poke_bp_batch+0x2d7/0x960 arch/x86/kernel/alternative.c:2211
 text_poke_flush arch/x86/kernel/alternative.c:2402 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2409
 arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x132/0x250 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:831
 process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
 kthread+0x2b8/0x350 kernel/kthread.c:389
 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>