rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=6dc4/1/0x4000000000000000 softirq=50619/50619 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=72045, q=227 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15671 Comm: syz-executor.3 Not tainted 6.4.0-rc1-next-20230508-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:mark_lock.part.0+0x6/0x1970 kernel/locking/lockdep.c:4615
Code: 00 e9 27 fe ff ff 48 c7 c7 ec bc 7a 8e e8 02 a4 71 00 e9 b3 fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 41 55 <41> 89 d5 48 ba 00 00 00 00 00 fc ff df 41 54 49 89 f4 55 53 48 81
RSP: 0018:ffffc900001e0b00 EFLAGS: 00000002
RAX: 000000000000000c RBX: 0000000000000000 RCX: ffff888076ba8aac
RDX: 0000000000000008 RSI: ffff888076ba8ac8 RDI: ffff888076ba8000
RBP: ffff888076ba8000 R08: 0000000000000000 R09: ffffffff91533e67
R10: 0000000000000001 R11: 0000000000094001 R12: 0000000000000000
R13: ffff888076ba8aea R14: 0000000000000000 R15: ffff888076ba8ac8
FS:  00007fc03f5d3700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc03f5d3718 CR3: 000000002754e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 mark_lock kernel/locking/lockdep.c:4620 [inline]
 mark_usage kernel/locking/lockdep.c:4577 [inline]
 __lock_acquire+0x907/0x5f30 kernel/locking/lockdep.c:5042
 lock_acquire.part.0+0x11c/0x370 kernel/locking/lockdep.c:5705
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 advance_sched+0xd2/0xd20 net/sched/sch_taprio.c:929
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x599/0xa30 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </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+0x3c/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 96 9e 53 f7 48 89 ef e8 7e 0c 54 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 2f d7 45 f7 65 8b 05 b0 6d f1 75 85 c0 74 0a 5b 5d c3 e8 2c 83
RSP: 0018:ffffc9000500fb80 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1cf4af1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8c7c4b00 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1cf50fa R11: ffffffffffffffff R12: 0000000008000000
R13: ffffc9000500fcc0 R14: 003b9aca00000000 R15: 0000000000000000
 timekeeping_inject_offset+0x4aa/0x620 kernel/time/timekeeping.c:1392
 do_adjtimex+0x333/0xa40 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1122 [inline]
 __do_sys_clock_adjtime+0x163/0x270 kernel/time/posix-timers.c:1134
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc03e88c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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:00007fc03f5d3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fc03e9ac050 RCX: 00007fc03e88c169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fc03e8e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd26eea46f R14: 00007fc03f5d3300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g72045 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=43612
rcu: rcu_preempt kthread starved for 10502 jiffies! g72045 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:28056 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x1d15/0x5790 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </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: 15671 Comm: syz-executor.3 Not tainted 6.4.0-rc1-next-20230508-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:__lock_release kernel/locking/lockdep.c:5366 [inline]
RIP: 0010:lock_release+0x1c6/0x670 kernel/locking/lockdep.c:5725
Code: 8b 05 ce ce 14 0d 85 c0 0f 84 08 02 00 00 4d 8d af c0 0a 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e 1e 04 00 00 45 8b b7 c0 0a 00 00 45 85 f6
RSP: 0018:ffffc900001e0cc8 EFLAGS: 00000802
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff8165ed25
RDX: 1ffff1100ed75158 RSI: 0000000000010001 RDI: 0000000000000000
RBP: 1ffff9200003c19b R08: 0000000000000001 R09: ffffffff8e7a87d7
R10: fffffbfff1cf50fa R11: 0000000000094001 R12: ffffffff8c799800
R13: ffff888076ba8ac0 R14: ffff888076ba8000 R15: ffff888076ba8000
FS:  00007fc03f5d3700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc03f5d3718 CR3: 000000002754e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_lock_release include/linux/rcupdate.h:332 [inline]
 rcu_read_unlock include/linux/rcupdate.h:806 [inline]
 advance_sched+0x746/0xd20 net/sched/sch_taprio.c:992
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x599/0xa30 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </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+0x3c/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 96 9e 53 f7 48 89 ef e8 7e 0c 54 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 2f d7 45 f7 65 8b 05 b0 6d f1 75 85 c0 74 0a 5b 5d c3 e8 2c 83
RSP: 0018:ffffc9000500fb80 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1cf4af1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8c7c4b00 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1cf50fa R11: ffffffffffffffff R12: 0000000008000000
R13: ffffc9000500fcc0 R14: 003b9aca00000000 R15: 0000000000000000
 timekeeping_inject_offset+0x4aa/0x620 kernel/time/timekeeping.c:1392
 do_adjtimex+0x333/0xa40 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1122 [inline]
 __do_sys_clock_adjtime+0x163/0x270 kernel/time/posix-timers.c:1134
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc03e88c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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:00007fc03f5d3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fc03e9ac050 RCX: 00007fc03e88c169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fc03e8e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd26eea46f R14: 00007fc03f5d3300 R15: 0000000000022000
 </TASK>