rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10500 ticks this GP) idle=29f/1/0x4000000000000000 softirq=307743/307743 fqs=5243
(t=10502 jiffies g=582593 q=545)
NMI backtrace for cpu 1
CPU: 1 PID: 10214 Comm: syz-executor.4 Not tainted 5.15.0-rc4-next-20211008-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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:604 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
rcu_pending kernel/rcu/tree.c:3889 [inline]
rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2608
update_process_times+0x16d/0x200 kernel/time/timer.c:1785
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__srcu_read_lock+0x0/0x90 kernel/rcu/srcutree.c:404
Code: 00 e9 25 ff ff ff e8 cf 4b 5b 00 e9 ef fe ff ff 48 89 df e8 c2 4b 5b 00 eb ba 48 89 df e8 28 4c 5b 00 eb 80 cc cc cc cc cc cc <48> b8 00 00 00 00 00 fc ff df 53 48 89 fb 48 81 c7 08 02 00 00 48
RSP: 0018:ffffc9000545fb88 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff92000a8bf7c RCX: ffffc9001672c000
RDX: 1ffff110086e0800 RSI: ffffffff811153f0 RDI: ffffc900035940c8
RBP: ffffc9000545fcb0 R08: 0000000000000000 R09: ffffffff8ff3da57
R10: ffffffff811153e2 R11: 0000000000000001 R12: ffff888043704000
R13: ffff888043704038 R14: 0000000000000000 R15: ffffc90003589000
srcu_read_lock include/linux/srcu.h:164 [inline]
vcpu_enter_guest+0x294b/0x4440 arch/x86/kvm/x86.c:9704
vcpu_run arch/x86/kvm/x86.c:9787 [inline]
kvm_arch_vcpu_ioctl_run+0x47c/0x1b10 arch/x86/kvm/x86.c:10019
kvm_vcpu_ioctl+0x570/0xf30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3787
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4ada65e8d9
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:00007f4ad7bd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4ada762f60 RCX: 00007f4ada65e8d9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007f4ada6b8cb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab495aaf R14: 00007f4ad7bd5300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e9 25 ff ff ff jmpq 0xffffff2a
5: e8 cf 4b 5b 00 callq 0x5b4bd9
a: e9 ef fe ff ff jmpq 0xfffffefe
f: 48 89 df mov %rbx,%rdi
12: e8 c2 4b 5b 00 callq 0x5b4bd9
17: eb ba jmp 0xffffffd3
19: 48 89 df mov %rbx,%rdi
1c: e8 28 4c 5b 00 callq 0x5b4c49
21: eb 80 jmp 0xffffffa3
23: cc int3
24: cc int3
25: cc int3
26: cc int3
27: cc int3
28: cc int3
* 29: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction
30: fc ff df
33: 53 push %rbx
34: 48 89 fb mov %rdi,%rbx
37: 48 81 c7 08 02 00 00 add $0x208,%rdi
3e: 48 rex.W