rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 1, t=10502 jiffies, g=111465, q=712)
rcu: All QSes seen, last rcu_preempt kthread activity 10496 (4295051095-4295040599), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10497 jiffies! g111465 f0x2 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:26576 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x1fd/0x770 kernel/rcu/tree.c:1955
rcu_gp_kthread+0xa5/0x350 kernel/rcu/tree.c:2128
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 680 Comm: syz-executor.1 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation+0x1ff/0x270 kernel/rcu/tree_stall.h:481
print_other_cpu_stall kernel/rcu/tree_stall.h:586 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq+0x23d5/0x2bc0 kernel/rcu/tree.c:2597
update_process_times+0x197/0x200 kernel/time/timer.c:1785
tick_sched_handle kernel/time/tick-sched.c:226 [inline]
tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1428
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: d1 52 fd ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 7e 05 51 f7 48 89 df e8 86 b6 52 f7 e8 e1 0f 76 f7 fb bf 01 00 00 00 e6 0e 45 f7 65 8b 05 b7 49 ed 75 85 c0 74 02 5b c3 e8 3c 31 eb
RSP: 0018:ffffc90000dc0cb0 EFLAGS: 00000282
RAX: 7a47102c92296b00 RBX: ffff8880b9b280c0 RCX: ffffffff81668171
RDX: dffffc0000000000 RSI: 0000000000000101 RDI: 0000000000000001
RBP: ffffc90000dc0e10 R08: dffffc0000000000 R09: fffffbfff1ff39ff
R10: fffffbfff1ff39ff R11: 0000000000000000 R12: ffffffff883f6fa0
R13: dffffc0000000000 R14: ffff8880b9b28100 R15: ffff88803bff8810
expire_timers kernel/time/timer.c:1465 [inline]
__run_timers+0x70a/0x910 kernel/time/timer.c:1734
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
__do_softirq+0x392/0x7a3 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__stack_depot_save+0x44e/0x4a0 lib/stackdepot.c:394
Code: 48 c7 c7 e0 84 14 8d 48 8b 74 24 20 e8 fb f0 cb 05 48 8b 7c 24 28 48 85 ff 74 0a be 02 00 00 00 e8 57 85 7c fd 4d 85 ed 74 06 <41> 8b 45 10 eb 02 31 c0 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 30
RSP: 0018:ffffc90010ba7120 EFLAGS: 00000282
RAX: 0000000000000008 RBX: 0000000000000008 RCX: 0000000000000001
RDX: 0000000000400dc0 RSI: ffffffff8a200068 RDI: 0000000040a18218
RBP: 0000000000053fa4 R08: 0000000000000001 R09: ffffc90010ba71cc
R10: fffffbfff1bfd2c6 R11: 0000000000000000 R12: ffffc90010ba7190
R13: ffff88807eaae710 R14: 0000000000000008 R15: 00000000bb553fa4
kasan_save_stack mm/kasan/common.c:40 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xf8/0x110 mm/kasan/common.c:513
kasan_kmalloc include/linux/kasan.h:269 [inline]
kmem_cache_alloc_trace+0x9d/0x330 mm/slub.c:3261
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
kvm_set_irq_routing+0x18f/0xc10 arch/x86/kvm/../../../virt/kvm/irqchip.c:198
kvm_arch_vm_ioctl+0x1f89/0x2690 arch/x86/kvm/x86.c:6116
kvm_vm_ioctl+0xa2a/0x2920 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4467
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe11b194e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe119b0a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe11b2a7f60 RCX: 00007fe11b194e99
RDX: 0000000000000000 RSI: 000000000000ae60 RDI: 0000000000000004
RBP: 00007fe11b1eeff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3d8fe9df R14: 00007fe119b0a300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: d1 52 fd rcll -0x3(%rdx)
3: ff 90 53 48 89 fb callq *-0x476b7ad(%rax)
9: 48 83 c7 18 add $0x18,%rdi
d: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
12: e8 7e 05 51 f7 callq 0xf7510595
17: 48 89 df mov %rbx,%rdi
1a: e8 86 b6 52 f7 callq 0xf752b6a5
1f: e8 e1 0f 76 f7 callq 0xf7761005
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 e6 0e 45 f7 callq 0xf7450f15 <-- trapping instruction
2f: 65 8b 05 b7 49 ed 75 mov %gs:0x75ed49b7(%rip),%eax # 0x75ed49ed
36: 85 c0 test %eax,%eax
38: 74 02 je 0x3c
3a: 5b pop %rbx
3b: c3 retq
3c: e8 .byte 0xe8
3d: 3c 31 cmp $0x31,%al
3f: eb .byte 0xeb