------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
6.8.0-syzkaller-05236-g443574b03387 #0 Not tainted
------------------------------------------------------
swapper/1/0 is trying to acquire lock:
ffffffff8e125be0 (console_owner){..-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:303 [inline]
ffffffff8e125be0 (console_owner){..-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline]
ffffffff8e125be0 (console_owner){..-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:286 [inline]
ffffffff8e125be0 (console_owner){..-.}-{0:0}, at: console_flush_all+0x14a/0xec0 kernel/printk/printk.c:2948
but task is already holding lock:
ffff8880b952a758 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x744/0xeb0 kernel/time/timer.c:1164
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&base->lock){-.-.}-{2:2}:
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
lock_timer_base+0x112/0x240 kernel/time/timer.c:1051
__mod_timer+0x1ca/0xeb0 kernel/time/timer.c:1132
worker_enter_idle+0x31d/0x4d0 kernel/workqueue.c:1059
worker_thread+0x9c0/0xd70 kernel/workqueue.c:3428
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
-> #3 (&pool->lock){-.-.}-{2:2}:
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
__queue_work+0x6ec/0xec0
queue_work_on+0x14f/0x250 kernel/workqueue.c:2435
queue_work include/linux/workqueue.h:605 [inline]
rpm_suspend+0x11bd/0x1c10 drivers/base/power/runtime.c:661
__pm_runtime_idle+0x131/0x1a0 drivers/base/power/runtime.c:1103
pm_runtime_put include/linux/pm_runtime.h:460 [inline]
__device_attach+0x3e5/0x520 drivers/base/dd.c:1048
bus_probe_device+0x189/0x260 drivers/base/bus.c:532
device_add+0x8ff/0xca0 drivers/base/core.c:3639
serial_base_port_add+0x2b6/0x3f0 drivers/tty/serial/serial_base_bus.c:178
serial_core_port_device_add drivers/tty/serial/serial_core.c:3353 [inline]
serial_core_register_port+0x393/0x1e30 drivers/tty/serial/serial_core.c:3394
serial8250_register_8250_port+0x1433/0x1cd0 drivers/tty/serial/8250/8250_core.c:1138
serial_pnp_probe+0x7d5/0xa20 drivers/tty/serial/8250/8250_pnp.c:478
pnp_device_probe+0x2ba/0x460 drivers/pnp/driver.c:111
really_probe+0x29e/0xc50 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__driver_attach+0x45f/0x710 drivers/base/dd.c:1216
bus_for_each_dev+0x239/0x2b0 drivers/base/bus.c:368
bus_add_driver+0x347/0x620 drivers/base/bus.c:673
driver_register+0x23a/0x320 drivers/base/driver.c:246
serial8250_init+0x9e/0x170 drivers/tty/serial/8250/8250_core.c:1239
do_one_initcall+0x238/0x830 init/main.c:1241
do_initcall_level+0x157/0x210 init/main.c:1303
do_initcalls+0x3f/0x80 init/main.c:1319
kernel_init_freeable+0x435/0x5d0 init/main.c:1557
kernel_init+0x1d/0x2a0 init/main.c:1446
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
-> #2 (&dev->power.lock){-...}-{2:2}:
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
__pm_runtime_resume+0x112/0x180 drivers/base/power/runtime.c:1170
pm_runtime_get include/linux/pm_runtime.h:408 [inline]
__uart_start+0x17a/0x3c0 drivers/tty/serial/serial_core.c:148
uart_write+0x427/0x5c0 drivers/tty/serial/serial_core.c:615
process_output_block drivers/tty/n_tty.c:574 [inline]
n_tty_write+0xd6a/0x1230 drivers/tty/n_tty.c:2379
iterate_tty_write drivers/tty/tty_io.c:1021 [inline]
file_tty_write+0x54f/0x9b0 drivers/tty/tty_io.c:1096
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xa84/0xcb0 fs/read_write.c:590
ksys_write+0x1a0/0x2c0 fs/read_write.c:643
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
-> #1 (&port_lock_key){-.-.}-{2:2}:
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
uart_port_lock_irqsave include/linux/serial_core.h:616 [inline]
serial8250_console_write+0x1a8/0x1840 drivers/tty/serial/8250/8250_port.c:3403
console_emit_next_record kernel/printk/printk.c:2890 [inline]
console_flush_all+0x80b/0xec0 kernel/printk/printk.c:2956
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3025
vprintk_emit+0x509/0x720 kernel/printk/printk.c:2292
_printk+0xd5/0x120 kernel/printk/printk.c:2317
register_console+0x70a/0xcd0 kernel/printk/printk.c:3531
univ8250_console_init+0x49/0x50 drivers/tty/serial/8250/8250_core.c:717
console_init+0x198/0x680 kernel/printk/printk.c:3677
start_kernel+0x2d3/0x500 init/main.c:1012
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509
x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490
common_startup_64+0x13e/0x147
-> #0 (console_owner){..-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
console_lock_spinning_enable kernel/printk/printk.c:1843 [inline]
console_emit_next_record kernel/printk/printk.c:2884 [inline]
console_flush_all+0x7ba/0xec0 kernel/printk/printk.c:2956
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3025
vprintk_emit+0x509/0x720 kernel/printk/printk.c:2292
_printk+0xd5/0x120 kernel/printk/printk.c:2317
__report_bug lib/bug.c:195 [inline]
report_bug+0x346/0x500 lib/bug.c:219
handle_bug+0x3e/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:260
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621
__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
spin_unlock_bh include/linux/spinlock.h:396 [inline]
sock_hash_delete_elem+0x1a6/0x300 net/core/sock_map.c:947
bpf_prog_05fc780d7a5f93f9+0x4a/0x4e
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x396/0x550 kernel/time/timer.c:663
__mod_timer+0x953/0xeb0 kernel/time/timer.c:1181
sk_reset_timer+0x23/0xc0 net/core/sock.c:3420
inet_csk_reset_xmit_timer include/net/inet_connection_sock.h:236 [inline]
tcp_reset_xmit_timer include/net/tcp.h:1421 [inline]
tcp_schedule_loss_probe+0x419/0x560 net/ipv4/tcp_output.c:2874
tcp_write_xmit+0x3682/0x6100 net/ipv4/tcp_output.c:2823
tcp_tsq_handler+0x12d/0x200 net/ipv4/tcp_output.c:1084
tcp_tasklet_func+0x4f3/0x570 net/ipv4/tcp_output.c:1116
tasklet_action_common+0x321/0x4d0 kernel/softirq.c:781
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:247
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x118/0x490 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:332
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
__pfx_ap_starting+0x0/0x10 arch/x86/kernel/smpboot.c:313
common_startup_64+0x13e/0x147
other info that might help us debug this:
Chain exists of:
console_owner --> &pool->lock --> &base->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&base->lock);
lock(&pool->lock);
lock(&base->lock);
lock(console_owner);
*** DEADLOCK ***
5 locks held by swapper/1/0:
#0: ffff888079429a58 (slock-AF_INET){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#0: ffff888079429a58 (slock-AF_INET){+.-.}-{2:2}, at: tcp_tsq_handler+0x20/0x200 net/ipv4/tcp_output.c:1082
#1: ffff8880b952a758 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x744/0xeb0 kernel/time/timer.c:1164
#2: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#2: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#2: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline]
#2: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 kernel/trace/bpf_trace.c:2420
#3: ffffffff8e00d500 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 kernel/printk/printk.c:2317
#4: ffffffff8e00d130 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:303 [inline]
#4: ffffffff8e00d130 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline]
#4: ffffffff8e00d130 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:286 [inline]
#4: ffffffff8e00d130 (console_srcu){....}-{0:0}, at: console_flush_all+0x14a/0xec0 kernel/printk/printk.c:2948
stack backtrace:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #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+0x1e7/0x2e0 lib/dump_stack.c:106
check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
console_lock_spinning_enable kernel/printk/printk.c:1843 [inline]
console_emit_next_record kernel/printk/printk.c:2884 [inline]
console_flush_all+0x7ba/0xec0 kernel/printk/printk.c:2956
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3025
vprintk_emit+0x509/0x720 kernel/printk/printk.c:2292
_printk+0xd5/0x120 kernel/printk/printk.c:2317
__report_bug lib/bug.c:195 [inline]
report_bug+0x346/0x500 lib/bug.c:219
handle_bug+0x3e/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:260
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621
RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c e1 86 8f 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000a08600 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff920001410c4 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fcb56
RBP: ffffc90000a086c0 R08: ffff88807c07380b R09: 1ffff1100f80e701
R10: dffffc0000000000 R11: ffffed100f80e702 R12: dffffc0000000000
R13: 0000000000000004 R14: ffffc90000a08640 R15: 0000000000000201
spin_unlock_bh include/linux/spinlock.h:396 [inline]
sock_hash_delete_elem+0x1a6/0x300 net/core/sock_map.c:947
bpf_prog_05fc780d7a5f93f9+0x4a/0x4e
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x396/0x550 kernel/time/timer.c:663
__mod_timer+0x953/0xeb0 kernel/time/timer.c:1181
sk_reset_timer+0x23/0xc0 net/core/sock.c:3420
inet_csk_reset_xmit_timer include/net/inet_connection_sock.h:236 [inline]
tcp_reset_xmit_timer include/net/tcp.h:1421 [inline]
tcp_schedule_loss_probe+0x419/0x560 net/ipv4/tcp_output.c:2874
tcp_write_xmit+0x3682/0x6100 net/ipv4/tcp_output.c:2823
tcp_tsq_handler+0x12d/0x200 net/ipv4/tcp_output.c:1084
tcp_tasklet_func+0x4f3/0x570 net/ipv4/tcp_output.c:1116
tasklet_action_common+0x321/0x4d0 kernel/softirq.c:781
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:247
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 ce 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 15 3a 98 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc90000197d08 EFLAGS: 00000246
RAX: ffff8880172c5a00 RBX: ffff8880157a8864 RCX: 000000000001a3f1
RDX: 0000000000000001 RSI: ffff8880157a8800 RDI: ffff8880157a8864
RBP: 0000000000039f18 R08: ffff8880b9537d0b R09: 1ffff110172a6fa1
R10: dffffc0000000000 R11: ffffffff8b702580 R12: ffff88801b7f0000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8a2ec0
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x118/0x490 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:332
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:313
common_startup_64+0x13e/0x147
WARNING: CPU: 1 PID: 0 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c e1 86 8f 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000a08600 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff920001410c4 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fcb56
RBP: ffffc90000a086c0 R08: ffff88807c07380b R09: 1ffff1100f80e701
R10: dffffc0000000000 R11: ffffed100f80e702 R12: dffffc0000000000
R13: 0000000000000004 R14: ffffc90000a08640 R15: 0000000000000201
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f897e9f1b10 CR3: 000000007da3e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
spin_unlock_bh include/linux/spinlock.h:396 [inline]
sock_hash_delete_elem+0x1a6/0x300 net/core/sock_map.c:947
bpf_prog_05fc780d7a5f93f9+0x4a/0x4e
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x396/0x550 kernel/time/timer.c:663
__mod_timer+0x953/0xeb0 kernel/time/timer.c:1181
sk_reset_timer+0x23/0xc0 net/core/sock.c:3420
inet_csk_reset_xmit_timer include/net/inet_connection_sock.h:236 [inline]
tcp_reset_xmit_timer include/net/tcp.h:1421 [inline]
tcp_schedule_loss_probe+0x419/0x560 net/ipv4/tcp_output.c:2874
tcp_write_xmit+0x3682/0x6100 net/ipv4/tcp_output.c:2823
tcp_tsq_handler+0x12d/0x200 net/ipv4/tcp_output.c:1084
tcp_tasklet_func+0x4f3/0x570 net/ipv4/tcp_output.c:1116
tasklet_action_common+0x321/0x4d0 kernel/softirq.c:781
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:247
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 ce 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 15 3a 98 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc90000197d08 EFLAGS: 00000246
RAX: ffff8880172c5a00 RBX: ffff8880157a8864 RCX: 000000000001a3f1
RDX: 0000000000000001 RSI: ffff8880157a8800 RDI: ffff8880157a8864
RBP: 0000000000039f18 R08: ffff8880b9537d0b R09: 1ffff110172a6fa1
R10: dffffc0000000000 R11: ffffffff8b702580 R12: ffff88801b7f0000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8a2ec0
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x118/0x490 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:332
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:313
common_startup_64+0x13e/0x147
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 65 48 8b 04 25 80 ce mov %gs:0x3ce80,%rax
10: 03 00
12: 48 f7 00 08 00 00 00 testq $0x8,(%rax)
19: 75 10 jne 0x2b
1b: 66 90 xchg %ax,%ax
1d: 0f 00 2d 15 3a 98 00 verw 0x983a15(%rip) # 0x983a39
24: f3 0f 1e fa endbr64
28: fb sti
29: f4 hlt
* 2a: fa cli <-- trapping instruction
2b: c3 ret
2c: cc int3
2d: cc int3
2e: cc int3
2f: cc int3
30: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
37: 00 00
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop