INFO: task kworker/u8:3:52 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:3 state:D stack:22576 pid:52 tgid:52 ppid:2 flags:0x00004000
Workqueue: cfg80211 cfg80211_dfs_channels_update_work
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
cfg80211_dfs_channels_update_work+0xbf/0x610 net/wireless/mlme.c:1022
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:4:66 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:4 state:D stack:23152 pid:66 tgid:66 ppid:2 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
linkwatch_event+0xe/0x60 net/core/link_watch.c:285
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:6:2930 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6 state:D stack:22512 pid:2930 tgid:2930 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline]
unregister_netdevice_many_notify+0x1c2c/0x2030 net/core/dev.c:11854
unregister_netdevice_many net/core/dev.c:11875 [inline]
unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741
unregister_netdevice include/linux/netdevice.h:3329 [inline]
_cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251
ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305
ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681
mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664
hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544
ops_exit_list net/core/net_namespace.c:172 [inline]
cleanup_net+0x812/0xd60 net/core/net_namespace.c:652
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:8:2995 blocked for more than 144 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:8 state:D stack:21776 pid:2995 tgid:2995 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
addrconf_dad_work+0x10e/0x16a0 net/ipv6/addrconf.c:4190
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task dhcpcd:5500 blocked for more than 144 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:22448 pid:5500 tgid:5500 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
genl_lock net/netlink/genetlink.c:35 [inline]
genl_op_lock net/netlink/genetlink.c:60 [inline]
genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
___sys_sendmsg net/socket.c:2622 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2654
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8a30d73a4b
RSP: 002b:00007ffe9deb9b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000055d4a8a7094f RCX: 00007f8a30d73a4b
RDX: 0000000000000000 RSI: 00007ffe9deb9bc0 RDI: 0000000000000010
RBP: 00007ffe9dece088 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000010
R13: 00007ffe9debdc20 R14: 0000000000000000 R15: 000055d4ae7b9598
INFO: task syz-executor:5985 blocked for more than 144 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20944 pid:5985 tgid:5985 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
class_wiphy_constructor include/net/cfg80211.h:6061 [inline]
reg_process_self_managed_hints+0xb9/0x1c0 net/wireless/reg.c:3206
wiphy_register+0x1be5/0x27b0 net/wireless/core.c:1026
ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587
mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5558
hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c11f8ebbc
RSP: 002b:00007f9c122cfe80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9c12cd4620 RCX: 00007f9c11f8ebbc
RDX: 0000000000000024 RSI: 00007f9c12cd4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f9c122cfed4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9c12cd4670 R15: 0000000000000000
INFO: task syz-executor:6043 blocked for more than 145 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20944 pid:6043 tgid:6043 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
inet6_rtm_newaddr+0x7f3/0xef0 net/ipv6/addrconf.c:5023
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03d5d8ebbc
RSP: 002b:00007f03d60cf670 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f03d6ad4620 RCX: 00007f03d5d8ebbc
RDX: 0000000000000040 RSI: 00007f03d6ad4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f03d60cf6c4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f03d6ad4670 R15: 0000000000000000
INFO: task syz-executor:6049 blocked for more than 145 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21040 pid:6049 tgid:6049 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f535bd8ebbc
RSP: 002b:00007f535c0cf670 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f535cad4620 RCX: 00007f535bd8ebbc
RDX: 0000000000000028 RSI: 00007f535cad4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f535c0cf6c4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f535cad4670 R15: 0000000000000000
INFO: task syz-executor:6079 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21296 pid:6079 tgid:6079 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0aaad8ebbc
RSP: 002b:00007f0aab0cf670 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0aabad4620 RCX: 00007f0aaad8ebbc
RDX: 0000000000000028 RSI: 00007f0aabad4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f0aab0cf6c4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0aabad4670 R15: 0000000000000000
INFO: task syz-executor:6136 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:22128 pid:6136 tgid:6136 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
genl_lock net/netlink/genetlink.c:35 [inline]
genl_op_lock net/netlink/genetlink.c:60 [inline]
genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f47e478ebbc
RSP: 002b:00007f47e4acf5e0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f47e54d4620 RCX: 00007f47e478ebbc
RDX: 0000000000000020 RSI: 00007f47e54d4670 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007f47e4acf634 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005
R13: 00007f47e4acf688 R14: 00007f47e54d4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111