Extracting prog: 59.072002309s
Minimizing prog: 39m47.481728777s
Simplifying prog options: 0s
Extracting C: 2m9.460341024s
Simplifying C: 11m32.217702745s
extracting reproducer from 26 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: BUG: unable to handle kernel paging request in ioread32
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
write(0xffffffffffffffff, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
write(0xffffffffffffffff, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program did not crash
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0), 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, 0x0, 0x0)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
testing program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240), 0x0)
program crashed: SYZFAIL: mkdir(syz-tmp) failed
ignore low priority crash: SYZFAIL: mkdir(syz-tmp) failed
extracting C reproducer
testing compiled C program (duration=46.001051334s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
simplifying C reproducer
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing compiled C program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
program crashed: BUG: unable to handle kernel paging request in ioread32
testing program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: BUG: unable to handle kernel paging request in ioread32
validation run: crashed=true
testing program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: BUG: unable to handle kernel paging request in ioread32
validation run: crashed=true
testing program (duration=46.001051334s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0000:00:03.0\x00', 0xd)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='thunderbolt\x00', 0xc)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='0000:00:03.0\x00', 0xd)
program crashed: BUG: unable to handle kernel paging request in ioread32
validation run: crashed=true
reproducing took 59m44.790783053s
repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: 0000000000055640
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7680b067 P4D 7680b067 PUD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3653 Comm: kworker/0:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events work_for_cpu_fn
RIP: 0010:readl arch/x86/include/asm/io.h:61 [inline]
RIP: 0010:ioread32+0x18/0x80 lib/iomap.c:99
Code: c0 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 53 48 89 fb e8 96 d2 68 fd 48 81 fb 00 00 04 00 72 09 e8 88 d2 68 fd <8b> 03 eb 57 48 81 fb 01 00 01 00 72 0a e8 76 d2 68 fd 89 da ed eb
RSP: 0018:ffffc90003257ae8 EFLAGS: 00010293
RAX: ffffffff84195b98 RBX: 0000000000055640 RCX: ffff88807cbb3c00
RDX: 0000000000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000055640
RBP: ffffc90003257bd0 R08: ffffffff90b1028f R09: 1ffffffff2162051
R10: dffffc0000000000 R11: fffffbfff2162052 R12: 0000000000055640
R13: dffffc0000000000 R14: ffff88801b6c4000 R15: ffff888029dee028
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000055640 CR3: 000000005d3b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nhi_probe+0x264/0xc20 drivers/thunderbolt/nhi.c:1319
local_pci_probe+0xc5/0x150 drivers/pci/pci-driver.c:324
work_for_cpu_fn+0x50/0x80 kernel/workqueue.c:5184
process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
process_scheduled_works kernel/workqueue.c:2355 [inline]
worker_thread+0xdd1/0x12a0 kernel/workqueue.c:2444
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
CR2: 0000000000055640
---[ end trace 0000000000000000 ]---
RIP: 0010:readl arch/x86/include/asm/io.h:61 [inline]
RIP: 0010:ioread32+0x18/0x80 lib/iomap.c:99
Code: c0 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 53 48 89 fb e8 96 d2 68 fd 48 81 fb 00 00 04 00 72 09 e8 88 d2 68 fd <8b> 03 eb 57 48 81 fb 01 00 01 00 72 0a e8 76 d2 68 fd 89 da ed eb
RSP: 0018:ffffc90003257ae8 EFLAGS: 00010293
RAX: ffffffff84195b98 RBX: 0000000000055640 RCX: ffff88807cbb3c00
RDX: 0000000000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000055640
RBP: ffffc90003257bd0 R08: ffffffff90b1028f R09: 1ffffffff2162051
R10: dffffc0000000000 R11: fffffbfff2162052 R12: 0000000000055640
R13: dffffc0000000000 R14: ffff88801b6c4000 R15: ffff888029dee028
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000055640 CR3: 000000005d3b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: c0 5b 5d c3 rcrb $0xc3,0x5d(%rbx)
4: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
b: 00 00 00
e: 0f 1f 40 00 nopl 0x0(%rax)
12: 55 push %rbp
13: 53 push %rbx
14: 48 89 fb mov %rdi,%rbx
17: e8 96 d2 68 fd call 0xfd68d2b2
1c: 48 81 fb 00 00 04 00 cmp $0x40000,%rbx
23: 72 09 jb 0x2e
25: e8 88 d2 68 fd call 0xfd68d2b2
* 2a: 8b 03 mov (%rbx),%eax <-- trapping instruction
2c: eb 57 jmp 0x85
2e: 48 81 fb 01 00 01 00 cmp $0x10001,%rbx
35: 72 0a jb 0x41
37: e8 76 d2 68 fd call 0xfd68d2b2
3c: 89 da mov %ebx,%edx
3e: ed in (%dx),%eax
3f: eb .byte 0xeb
final repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: 0000000000055640
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7680b067 P4D 7680b067 PUD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3653 Comm: kworker/0:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events work_for_cpu_fn
RIP: 0010:readl arch/x86/include/asm/io.h:61 [inline]
RIP: 0010:ioread32+0x18/0x80 lib/iomap.c:99
Code: c0 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 53 48 89 fb e8 96 d2 68 fd 48 81 fb 00 00 04 00 72 09 e8 88 d2 68 fd <8b> 03 eb 57 48 81 fb 01 00 01 00 72 0a e8 76 d2 68 fd 89 da ed eb
RSP: 0018:ffffc90003257ae8 EFLAGS: 00010293
RAX: ffffffff84195b98 RBX: 0000000000055640 RCX: ffff88807cbb3c00
RDX: 0000000000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000055640
RBP: ffffc90003257bd0 R08: ffffffff90b1028f R09: 1ffffffff2162051
R10: dffffc0000000000 R11: fffffbfff2162052 R12: 0000000000055640
R13: dffffc0000000000 R14: ffff88801b6c4000 R15: ffff888029dee028
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000055640 CR3: 000000005d3b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nhi_probe+0x264/0xc20 drivers/thunderbolt/nhi.c:1319
local_pci_probe+0xc5/0x150 drivers/pci/pci-driver.c:324
work_for_cpu_fn+0x50/0x80 kernel/workqueue.c:5184
process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
process_scheduled_works kernel/workqueue.c:2355 [inline]
worker_thread+0xdd1/0x12a0 kernel/workqueue.c:2444
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
CR2: 0000000000055640
---[ end trace 0000000000000000 ]---
RIP: 0010:readl arch/x86/include/asm/io.h:61 [inline]
RIP: 0010:ioread32+0x18/0x80 lib/iomap.c:99
Code: c0 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 53 48 89 fb e8 96 d2 68 fd 48 81 fb 00 00 04 00 72 09 e8 88 d2 68 fd <8b> 03 eb 57 48 81 fb 01 00 01 00 72 0a e8 76 d2 68 fd 89 da ed eb
RSP: 0018:ffffc90003257ae8 EFLAGS: 00010293
RAX: ffffffff84195b98 RBX: 0000000000055640 RCX: ffff88807cbb3c00
RDX: 0000000000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000055640
RBP: ffffc90003257bd0 R08: ffffffff90b1028f R09: 1ffffffff2162051
R10: dffffc0000000000 R11: fffffbfff2162052 R12: 0000000000055640
R13: dffffc0000000000 R14: ffff88801b6c4000 R15: ffff888029dee028
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000055640 CR3: 000000005d3b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: c0 5b 5d c3 rcrb $0xc3,0x5d(%rbx)
4: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
b: 00 00 00
e: 0f 1f 40 00 nopl 0x0(%rax)
12: 55 push %rbp
13: 53 push %rbx
14: 48 89 fb mov %rdi,%rbx
17: e8 96 d2 68 fd call 0xfd68d2b2
1c: 48 81 fb 00 00 04 00 cmp $0x40000,%rbx
23: 72 09 jb 0x2e
25: e8 88 d2 68 fd call 0xfd68d2b2
* 2a: 8b 03 mov (%rbx),%eax <-- trapping instruction
2c: eb 57 jmp 0x85
2e: 48 81 fb 01 00 01 00 cmp $0x10001,%rbx
35: 72 0a jb 0x41
37: e8 76 d2 68 fd call 0xfd68d2b2
3c: 89 da mov %ebx,%edx
3e: ed in (%dx),%eax
3f: eb .byte 0xeb