rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=626c/1/0x4000000000000000 softirq=9522/9522 fqs=0
rcu: 	(t=14181 jiffies g=7885 q=75 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 14180 jiffies! g7885 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=2022
rcu: rcu_preempt kthread starved for 14181 jiffies! g7885 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:27008 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6710
 schedule+0xe7/0x1b0 kernel/sched/core.c:6786
 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5054 Comm: syz-executor150 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:check_preemption_disabled+0x3/0xe0 lib/smp_processor_id.c:13
Code: 04 85 c0 74 18 65 8b 05 6b 4b d0 75 85 c0 75 0d 65 8b 05 7c 48 d0 75 85 c0 74 02 0f 0b e9 85 fc ff ff 0f 1f 44 00 00 41 54 55 <53> 48 83 ec 08 65 8b 1d 4d 7b d1 75 65 8b 05 42 7b d1 75 a9 ff ff
RSP: 0018:ffffc90000007bf0 EFLAGS: 00000003
RAX: 0000000000000001 RBX: 1ffff92000000f86 RCX: ffffffff81671997
RDX: fffffbfff1d57473 RSI: ffffffff8ac81180 RDI: ffffffff8ac811c0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d57472
R10: ffffffff8eaba397 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8d365020 R15: 0000000000000000
FS:  0000555556974380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24ad263866 CR3: 0000000071ba8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x12/0xb0 kernel/rcu/tree.c:695
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x464/0x510 kernel/locking/lockdep.c:5732
 debug_objects_fill_pool lib/debugobjects.c:614 [inline]
 debug_object_activate+0x144/0x490 lib/debugobjects.c:713
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa0a/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 2d 31 f7 48 89 df e8 ae ac 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 55 4f 23 f7 65 8b 05 26 dd cd 75 85 c0 74 12 5b
RSP: 0018:ffffc90003c1f1a0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b992b880 RCX: 1ffffffff2313c00
RDX: 0000000000000000 RSI: ffffffff8a6c80a0 RDI: ffffffff8ac81200
RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff2309de8
R10: ffffffff9184ef47 R11: 0000000000000000 R12: 00000000ffffffff
R13: ffff8880b992b980 R14: dffffc0000000000 R15: ffff88807afd9370
 unlock_hrtimer_base kernel/time/hrtimer.c:1020 [inline]
 hrtimer_try_to_cancel+0x161/0x4b0 kernel/time/hrtimer.c:1339
 hrtimer_cancel+0x16/0x40 kernel/time/hrtimer.c:1446
 taprio_reset+0x76/0x200 net/sched/sch_taprio.c:2022
 qdisc_reset+0xd8/0x620 net/sched/sch_generic.c:1022
 dev_reset_queue+0xb1/0x1d0 net/sched/sch_generic.c:1293
 netdev_for_each_tx_queue include/linux/netdevice.h:2517 [inline]
 dev_deactivate_many+0x36f/0xb10 net/sched/sch_generic.c:1359
 dev_deactivate+0xed/0x1b0 net/sched/sch_generic.c:1382
 qdisc_graft+0xde1/0x1680 net/sched/sch_api.c:1108
 tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6428
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3e7edf8e29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8fc8e488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e7edf8e29
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000100000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fc8e4e0
R13: 0000000000013393 R14: 00007ffe8fc8e4ac R15: 0000000000000003
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.332 msecs
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5054 Comm: syz-executor150 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:240 [inline]
RIP: 0010:__lock_acquire+0xc9d/0x5de0 kernel/locking/lockdep.c:5141
Code: 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 ee 84 91 e8 31 68 73 00 48 0f a3 1d 69 3a 1e 10 0f 83 94 18 00 00 <48> 69 db d0 00 00 00 48 81 c3 a0 f2 84 91 48 8d 7b 40 48 b8 00 00
RSP: 0018:ffffc90000007b30 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000020 RCX: ffffffff8166b40f
RDX: fffffbfff2309dd1 RSI: 0000000000000008 RDI: ffffffff9184ee80
RBP: 0000000000000040 R08: 0000000000000000 R09: fffffbfff2309dd0
R10: ffffffff9184ee87 R11: 0000000000000001 R12: 0000000000000002
R13: ffff88802477a8d8 R14: 00000000ffffffff R15: 0000000000000002
FS:  0000555556974380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24ad263866 CR3: 0000000071ba8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5761 [inline]
 lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
 rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
 rcu_read_lock include/linux/rcupdate.h:749 [inline]
 advance_sched+0x67e/0xc60 net/sched/sch_taprio.c:996
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 2d 31 f7 48 89 df e8 ae ac 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 55 4f 23 f7 65 8b 05 26 dd cd 75 85 c0 74 12 5b
RSP: 0018:ffffc90003c1f1a0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b992b880 RCX: 1ffffffff2313c00
RDX: 0000000000000000 RSI: ffffffff8a6c80a0 RDI: ffffffff8ac81200
RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff2309de8
R10: ffffffff9184ef47 R11: 0000000000000000 R12: 00000000ffffffff
R13: ffff8880b992b980 R14: dffffc0000000000 R15: ffff88807afd9370
 unlock_hrtimer_base kernel/time/hrtimer.c:1020 [inline]
 hrtimer_try_to_cancel+0x161/0x4b0 kernel/time/hrtimer.c:1339
 hrtimer_cancel+0x16/0x40 kernel/time/hrtimer.c:1446
 taprio_reset+0x76/0x200 net/sched/sch_taprio.c:2022
 qdisc_reset+0xd8/0x620 net/sched/sch_generic.c:1022
 dev_reset_queue+0xb1/0x1d0 net/sched/sch_generic.c:1293
 netdev_for_each_tx_queue include/linux/netdevice.h:2517 [inline]
 dev_deactivate_many+0x36f/0xb10 net/sched/sch_generic.c:1359
 dev_deactivate+0xed/0x1b0 net/sched/sch_generic.c:1382
 qdisc_graft+0xde1/0x1680 net/sched/sch_api.c:1108
 tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6428
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:748
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3e7edf8e29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8fc8e488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e7edf8e29
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000100000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fc8e4e0
R13: 0000000000013393 R14: 00007ffe8fc8e4ac R15: 0000000000000003
 </TASK>
CPU: 1 PID: 10 Comm: kworker/u4:0 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:kvm_wait+0xa8/0x110 arch/x86/kernel/kvm.c:1064
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 66 0f b6 07 40 38 c6 74 1b 48 83 c4 10 c3 c3 e8 e3 bf 53 00 66 90 0f 00 2d 9a a6 30 09 fb f4 <48> 83 c4 10 c3 66 90 0f 00 2d 8a a6 30 09 f4 48 83 c4 10 c3 89 74
RSP: 0018:ffffc900001e0d58 EFLAGS: 00000246
RAX: 0000000000033cee RBX: ffff88807afd90f0 RCX: 1ffffffff2313c00
RDX: 0000000000000000 RSI: ffffffff8a6c80a0 RDI: ffffffff8ac81200
RBP: ffff8880b993d240 R08: 0000000000000001 R09: fffffbfff2309de8
R10: ffffffff9184ef47 R11: ffffffff81d9efd5 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffed100f5fb21e
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e7ee7a2d0 CR3: 000000000c776000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:598 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x959/0xc70 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:586 [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:115
 spin_lock include/linux/spinlock.h:351 [inline]
 net_tx_action+0x573/0xc80 net/core/dev.c:5033
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 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:csd_lock_wait kernel/smp.c:296 [inline]
RIP: 0010:smp_call_function_many_cond+0x4d6/0x1570 kernel/smp.c:835
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 1c 5f 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 3c 0e 00 00 8b 43 08 31
RSP: 0018:ffffc900000f7938 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9844fe0 RCX: 0000000000000000
RDX: ffff888015269dc0 RSI: ffffffff817aa984 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10173089fd
R13: 0000000000000001 R14: ffff8880b993d580 R15: ffff8880b9844fe8
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1003
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1997 [inline]
 text_poke_bp_batch+0x250/0x780 arch/x86/kernel/alternative.c:2207
 text_poke_flush arch/x86/kernel/alternative.c:2398 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2395 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2405
 arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x32e/0x410 kernel/jump_label.c:829
 static_key_enable_cpuslocked+0x1b5/0x270 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate mm/kfence/core.c:831 [inline]
 toggle_allocation_gate+0xf4/0x250 mm/kfence/core.c:823
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>