Extracting prog: 3m49.684614403s
Minimizing prog: 54m28.539073685s
Simplifying prog options: 5m30.3416278s
Extracting C: 2m43.518805288s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rpm_resume
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
syz_usb_control_io$printer(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14}, 0x0, 0x0, 0x0, 0x0})
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rpm_resume
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rtnl_lock
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000009008610f4205ae06d6c010203010902240001010000000904690202ff5aa30009050402100000fa00090582024000000000"], 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000340)={0x2c, &(0x7f0000000280)={0x20, 0x14, 0x6, "230ed7564d3c"}, 0x0, 0x0, 0x0, 0x0})
program crashed: INFO: task hung in rtnl_lock
validation run: crashed=true
reproducing took 1h14m48.951182719s
repro crashed as (corrupted=false):
INFO: task kworker/u8:0:12 blocked for more than 122 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0 state:D stack:0 pid:12 tgid:12 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944
__mutex_lock_common kernel/locking/mutex.c:707 [inline]
__mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:803
__mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134
mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:285
rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
addrconf_dad_work+0xca/0x14e0 net/ipv6/addrconf.c:4234
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/1:0:31 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:0 pid:31 tgid:31 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
aqc111_write_cmd drivers/net/usb/aqc111.c:132 [inline]
aqc111_write32_cmd drivers/net/usb/aqc111.c:180 [inline]
aqc111_suspend+0x6e9/0xaf0 drivers/net/usb/aqc111.c:1409
usb_suspend_interface drivers/usb/core/driver.c:1332 [inline]
usb_suspend_both+0x37f/0x1430 drivers/usb/core/driver.c:1459
usb_runtime_suspend+0x5f/0x120 drivers/usb/core/driver.c:2021
__rpm_callback+0x327/0x9e0 drivers/base/power/runtime.c:394
rpm_callback drivers/base/power/runtime.c:445 [inline]
rpm_suspend+0x7e6/0x16b0 drivers/base/power/runtime.c:672
__pm_runtime_suspend+0xa9/0x1f0 drivers/base/power/runtime.c:1142
pm_runtime_put_sync_autosuspend include/linux/pm_runtime.h:526 [inline]
usb_new_device+0xb11/0x1590 drivers/usb/core/hub.c:2722
hub_port_connect drivers/usb/core/hub.c:5561 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5701 [inline]
port_event drivers/usb/core/hub.c:5865 [inline]
hub_event+0x2c81/0x4270 drivers/usb/core/hub.c:5947
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:2:65 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:0 pid:65 tgid:65 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
aqc111_write_cmd drivers/net/usb/aqc111.c:132 [inline]
aqc111_write32_cmd drivers/net/usb/aqc111.c:180 [inline]
aqc111_suspend+0x6e9/0xaf0 drivers/net/usb/aqc111.c:1409
usb_suspend_interface drivers/usb/core/driver.c:1332 [inline]
usb_suspend_both+0x37f/0x1430 drivers/usb/core/driver.c:1459
usb_runtime_suspend+0x5f/0x120 drivers/usb/core/driver.c:2021
__rpm_callback+0x327/0x9e0 drivers/base/power/runtime.c:394
rpm_callback drivers/base/power/runtime.c:445 [inline]
rpm_suspend+0x7e6/0x16b0 drivers/base/power/runtime.c:672
__pm_runtime_suspend+0xa9/0x1f0 drivers/base/power/runtime.c:1142
pm_runtime_put_sync_autosuspend include/linux/pm_runtime.h:526 [inline]
usb_new_device+0xb11/0x1590 drivers/usb/core/hub.c:2722
hub_port_connect drivers/usb/core/hub.c:5561 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5701 [inline]
port_event drivers/usb/core/hub.c:5865 [inline]
hub_event+0x2c81/0x4270 drivers/usb/core/hub.c:5947
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task dhcpcd:149 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:0 pid:149 tgid:149 ppid:148 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
usbnet_open+0x87/0xd90 drivers/net/usb/usbnet.c:899
__dev_open+0x36f/0x500 net/core/dev.c:1547
__dev_change_flags+0x21a/0x6a0 net/core/dev.c:8935
dev_change_flags+0x89/0x1a0 net/core/dev.c:9007
devinet_ioctl+0x798/0x1950 net/ipv4/devinet.c:1188
inet_ioctl+0x3ca/0x4d0 net/ipv4/af_inet.c:1008
sock_do_ioctl+0x105/0x330 net/socket.c:1228
sock_ioctl+0x634/0x7b0 net/socket.c:1347
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5f5303f378
RSP: 002b:00007ffdf9bebb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5f5303f378
RDX: 00007ffdf9bfbd20 RSI: 0000000000008914 RDI: 0000000000000016
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf9c0bec0
R13: 00007f5f52f3f6c8 R14: 0000000000000028 R15: 0000000000008914
INFO: task kworker/1:4:455 blocked for more than 124 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:0 pid:455 tgid:455 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944
__mutex_lock_common kernel/locking/mutex.c:707 [inline]
__mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:803
__mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134
mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:285
rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
reg_check_chans_work+0x8c/0xce0 net/wireless/reg.c:2483
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 1f5813a52420658c51670c32aa0b3f2b32c06bdf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xd8f/0xed0 kernel/hung_task.c:423
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
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
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 1f5813a52420658c51670c32aa0b3f2b32c06bdf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc b8 0a 9a c3 84 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 02 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 d3 54 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2
RAX: ffff8881f6f00000 RBX: ffff888103668000 RCX: ffffffff858d50be
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000007f524
RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6
R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb21a8
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0061c1000 CR3: 000000010973c000 CR4: 00000000003526b0
Call Trace:
arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline]
default_idle+0x17/0x30 arch/x86/kernel/process.c:754
arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791
default_idle_call+0x3f/0x80 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1a0/0x470 kernel/sched/idle.c:326
cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424
start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314
common_startup_64+0x13b/0x157
final repro crashed as (corrupted=false):
INFO: task kworker/u8:0:12 blocked for more than 122 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0 state:D stack:0 pid:12 tgid:12 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944
__mutex_lock_common kernel/locking/mutex.c:707 [inline]
__mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:803
__mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134
mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:285
rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
addrconf_dad_work+0xca/0x14e0 net/ipv6/addrconf.c:4234
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/1:0:31 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:0 pid:31 tgid:31 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
aqc111_write_cmd drivers/net/usb/aqc111.c:132 [inline]
aqc111_write32_cmd drivers/net/usb/aqc111.c:180 [inline]
aqc111_suspend+0x6e9/0xaf0 drivers/net/usb/aqc111.c:1409
usb_suspend_interface drivers/usb/core/driver.c:1332 [inline]
usb_suspend_both+0x37f/0x1430 drivers/usb/core/driver.c:1459
usb_runtime_suspend+0x5f/0x120 drivers/usb/core/driver.c:2021
__rpm_callback+0x327/0x9e0 drivers/base/power/runtime.c:394
rpm_callback drivers/base/power/runtime.c:445 [inline]
rpm_suspend+0x7e6/0x16b0 drivers/base/power/runtime.c:672
__pm_runtime_suspend+0xa9/0x1f0 drivers/base/power/runtime.c:1142
pm_runtime_put_sync_autosuspend include/linux/pm_runtime.h:526 [inline]
usb_new_device+0xb11/0x1590 drivers/usb/core/hub.c:2722
hub_port_connect drivers/usb/core/hub.c:5561 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5701 [inline]
port_event drivers/usb/core/hub.c:5865 [inline]
hub_event+0x2c81/0x4270 drivers/usb/core/hub.c:5947
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:2:65 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:0 pid:65 tgid:65 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
aqc111_write_cmd drivers/net/usb/aqc111.c:132 [inline]
aqc111_write32_cmd drivers/net/usb/aqc111.c:180 [inline]
aqc111_suspend+0x6e9/0xaf0 drivers/net/usb/aqc111.c:1409
usb_suspend_interface drivers/usb/core/driver.c:1332 [inline]
usb_suspend_both+0x37f/0x1430 drivers/usb/core/driver.c:1459
usb_runtime_suspend+0x5f/0x120 drivers/usb/core/driver.c:2021
__rpm_callback+0x327/0x9e0 drivers/base/power/runtime.c:394
rpm_callback drivers/base/power/runtime.c:445 [inline]
rpm_suspend+0x7e6/0x16b0 drivers/base/power/runtime.c:672
__pm_runtime_suspend+0xa9/0x1f0 drivers/base/power/runtime.c:1142
pm_runtime_put_sync_autosuspend include/linux/pm_runtime.h:526 [inline]
usb_new_device+0xb11/0x1590 drivers/usb/core/hub.c:2722
hub_port_connect drivers/usb/core/hub.c:5561 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5701 [inline]
port_event drivers/usb/core/hub.c:5865 [inline]
hub_event+0x2c81/0x4270 drivers/usb/core/hub.c:5947
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task dhcpcd:149 blocked for more than 123 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:0 pid:149 tgid:149 ppid:148 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
rpm_resume+0x451/0x1640 drivers/base/power/runtime.c:834
rpm_resume+0x846/0x1640 drivers/base/power/runtime.c:892
__pm_runtime_resume+0x6d/0xa0 drivers/base/power/runtime.c:1172
pm_runtime_resume_and_get include/linux/pm_runtime.h:432 [inline]
usb_autopm_get_interface+0x25/0xf0 drivers/usb/core/driver.c:1886
usbnet_open+0x87/0xd90 drivers/net/usb/usbnet.c:899
__dev_open+0x36f/0x500 net/core/dev.c:1547
__dev_change_flags+0x21a/0x6a0 net/core/dev.c:8935
dev_change_flags+0x89/0x1a0 net/core/dev.c:9007
devinet_ioctl+0x798/0x1950 net/ipv4/devinet.c:1188
inet_ioctl+0x3ca/0x4d0 net/ipv4/af_inet.c:1008
sock_do_ioctl+0x105/0x330 net/socket.c:1228
sock_ioctl+0x634/0x7b0 net/socket.c:1347
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5f5303f378
RSP: 002b:00007ffdf9bebb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5f5303f378
RDX: 00007ffdf9bfbd20 RSI: 0000000000008914 RDI: 0000000000000016
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf9c0bec0
R13: 00007f5f52f3f6c8 R14: 0000000000000028 R15: 0000000000008914
INFO: task kworker/1:4:455 blocked for more than 124 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:0 pid:455 tgid:455 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7944
__mutex_lock_common kernel/locking/mutex.c:707 [inline]
__mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:803
__mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134
mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:285
rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79
reg_check_chans_work+0x8c/0xce0 net/wireless/reg.c:2483
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0x7d2/0x1020 kernel/workqueue.c:3319
worker_thread+0xc58/0x1250 kernel/workqueue.c:3400
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 1f5813a52420658c51670c32aa0b3f2b32c06bdf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xd8f/0xed0 kernel/hung_task.c:423
kthread+0x2ca/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
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
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 1f5813a52420658c51670c32aa0b3f2b32c06bdf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc b8 0a 9a c3 84 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 02 3a 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 d3 54 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2
RAX: ffff8881f6f00000 RBX: ffff888103668000 RCX: ffffffff858d50be
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000007f524
RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6
R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb21a8
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0061c1000 CR3: 000000010973c000 CR4: 00000000003526b0
Call Trace:
arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline]
default_idle+0x17/0x30 arch/x86/kernel/process.c:754
arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791
default_idle_call+0x3f/0x80 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1a0/0x470 kernel/sched/idle.c:326
cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424
start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314
common_startup_64+0x13b/0x157