rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=b4d/1/0x4000000000000000 softirq=6164/6164 fqs=3
(detected by 0, t=10502 jiffies, g=5445, q=126)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3734 Comm: syz-executor.1 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__lock_acquire+0xc97/0x1ff0 kernel/locking/lockdep.c:4966
Code: 08 ba 06 00 00 00 e8 58 5a 00 00 31 f6 85 c0 0f 84 c5 08 00 00 48 89 ef 48 8b 5c 24 08 48 89 de ba 08 00 00 00 e8 39 5a 00 00 <31> f6 85 c0 0f 84 a6 08 00 00 48 c7 c0 c0 7f 3c 91 48 c1 e8 03 48
RSP: 0018:ffffc90000dd0a60 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffff888022c46458 RCX: ffffffff8162f8e8
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fbd01f8
RBP: ffff888022c45940 R08: dffffc0000000000 R09: fffffbfff1f7a040
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff888022c46428 R14: 1ffff11004588c8f R15: ffff888022c46478
FS: 00007eff472646c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 0000000061b42000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
advance_sched+0x47/0x940 net/sched/sch_taprio.c:716
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 82 a4 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d7 cb 31 f7 65 8b 05 a8 f9 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900045478c0 EFLAGS: 00000206
RAX: 308da9e384ca2500 RBX: 1ffff920008a8f1c RCX: ffffffff913c7f03
RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: 0000000000000001
RBP: ffffc90004547960 R08: ffffffff8186b7c0 R09: ffffed100c085a12
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920008a8f18 R14: ffffc900045478e0 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
timerfd_clock_was_set+0x1b3/0x2a0 fs/timerfd.c:113
clock_was_set+0x7e8/0x880 kernel/time/hrtimer.c:980
timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378
do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427
do_clock_adjtime kernel/time/posix-timers.c:1154 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1166 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1157 [inline]
__x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1157
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7eff48d12e69
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:00007eff472640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007eff48e41050 RCX: 00007eff48d12e69
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007eff48d5f47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007eff48e41050 R15: 00007ffea41bd088
rcu: rcu_preempt kthread starved for 10496 jiffies! g5445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:26168 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 3741 Comm: syz-executor.0 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xa93/0xd90 kernel/smp.c:969
Code: 04 03 84 c0 0f 85 84 00 00 00 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 1c cf 0b 00 41 83 e7 01 75 07 e8 b1 cb 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 45 00
RSP: 0018:ffffc90003067c20 EFLAGS: 00000246
RAX: ffffffff81746e24 RBX: 1ffff110173680b1 RCX: 0000000000040000
RDX: ffffc900031a9000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90003067d48 R08: ffffffff81746df4 R09: fffffbfff1f7a03a
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8880b9b40588 R14: ffff8880b9a3b380 R15: 0000000000000001
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
hardware_enable_all+0x77/0x120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4920
kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1148 [inline]
kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4753 [inline]
kvm_dev_ioctl+0x1210/0x2030 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4808
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2ab9465e69
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:00007f2ab79d80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2ab9593f80 RCX: 00007f2ab9465e69
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007f2ab94b247a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2ab9593f80 R15: 00007ffdaea56dd8