Extracting prog: 1m9.705898s
Minimizing prog: 9m22.653604386s
Simplifying prog options: 3m9.933586344s
Extracting C: 32.295291677s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in set_link_state
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200), 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=36.23849148s, {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: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}}): mkdirat-mount-openat-write-syz_usb_connect$hid
program crashed: general protection fault in dummy_udc_start
a never seen crash title: general protection fault in dummy_udc_start, ignore
simplifying guilty program options
testing program (duration=36.23849148s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=36.23849148s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program did not crash
validation run: crashed=false
testing program (duration=36.23849148s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=36.23849148s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=36.23849148s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
reproducing took 17m53.705498811s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 409 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:dummy_udc_start+0xbb/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1000
Code: 00 00 ff 24 c5 40 20 7c 85 e8 41 0f 40 fe eb 13 e8 3a 0f 40 fe eb 0c e8 33 0f 40 fe eb 05 e8 2c 0f 40 fe 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 86 7e 7f fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90002917aa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811517c010 RCX: ffff888114e4bb40
RDX: 0000000000000000 RSI: ffffffff86b49fe0 RDI: 0000000000000003
RBP: ffffc90002917ad0 R08: ffff888114e4bb40 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f64d000d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64d0195000 CR3: 000000012e5b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
usb_gadget_udc_start drivers/usb/gadget/udc/core.c:1122 [inline]
udc_bind_to_driver+0x2af/0x770 drivers/usb/gadget/udc/core.c:1514
usb_gadget_probe_driver+0x1fc/0x380 drivers/usb/gadget/udc/core.c:1589
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:549 [inline]
raw_ioctl+0x114d/0x3040 drivers/usb/gadget/legacy/raw_gadget.c:1256
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:860
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f64d01abb2b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f64d000af00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f64d01abb2b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f64d000bfd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00002000000000c0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace b55fdd23aada488d ]---
RIP: 0010:dummy_udc_start+0xbb/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1000
Code: 00 00 ff 24 c5 40 20 7c 85 e8 41 0f 40 fe eb 13 e8 3a 0f 40 fe eb 0c e8 33 0f 40 fe eb 05 e8 2c 0f 40 fe 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 86 7e 7f fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90002917aa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811517c010 RCX: ffff888114e4bb40
RDX: 0000000000000000 RSI: ffffffff86b49fe0 RDI: 0000000000000003
RBP: ffffc90002917ad0 R08: ffff888114e4bb40 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f64d000d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64d0195000 CR3: 000000012e5b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: ff 24 c5 40 20 7c 85 jmp *-0x7a83dfc0(,%rax,8)
9: e8 41 0f 40 fe call 0xfe400f4f
e: eb 13 jmp 0x23
10: e8 3a 0f 40 fe call 0xfe400f4f
15: eb 0c jmp 0x23
17: e8 33 0f 40 fe call 0xfe400f4f
1c: eb 05 jmp 0x23
1e: e8 2c 0f 40 fe call 0xfe400f4f
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 f7 mov %r14,%rdi
34: e8 86 7e 7f fe call 0xfe7f7ebf
39: 4d 8b 36 mov (%r14),%r14
3c: 4c 89 f7 mov %r14,%rdi
3f: e8 .byte 0xe8
final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 409 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:dummy_udc_start+0xbb/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1000
Code: 00 00 ff 24 c5 40 20 7c 85 e8 41 0f 40 fe eb 13 e8 3a 0f 40 fe eb 0c e8 33 0f 40 fe eb 05 e8 2c 0f 40 fe 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 86 7e 7f fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90002917aa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811517c010 RCX: ffff888114e4bb40
RDX: 0000000000000000 RSI: ffffffff86b49fe0 RDI: 0000000000000003
RBP: ffffc90002917ad0 R08: ffff888114e4bb40 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f64d000d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64d0195000 CR3: 000000012e5b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
usb_gadget_udc_start drivers/usb/gadget/udc/core.c:1122 [inline]
udc_bind_to_driver+0x2af/0x770 drivers/usb/gadget/udc/core.c:1514
usb_gadget_probe_driver+0x1fc/0x380 drivers/usb/gadget/udc/core.c:1589
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:549 [inline]
raw_ioctl+0x114d/0x3040 drivers/usb/gadget/legacy/raw_gadget.c:1256
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:860
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f64d01abb2b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f64d000af00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f64d01abb2b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f64d000bfd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00002000000000c0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace b55fdd23aada488d ]---
RIP: 0010:dummy_udc_start+0xbb/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1000
Code: 00 00 ff 24 c5 40 20 7c 85 e8 41 0f 40 fe eb 13 e8 3a 0f 40 fe eb 0c e8 33 0f 40 fe eb 05 e8 2c 0f 40 fe 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 86 7e 7f fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90002917aa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811517c010 RCX: ffff888114e4bb40
RDX: 0000000000000000 RSI: ffffffff86b49fe0 RDI: 0000000000000003
RBP: ffffc90002917ad0 R08: ffff888114e4bb40 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f64d000d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64d0195000 CR3: 000000012e5b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: ff 24 c5 40 20 7c 85 jmp *-0x7a83dfc0(,%rax,8)
9: e8 41 0f 40 fe call 0xfe400f4f
e: eb 13 jmp 0x23
10: e8 3a 0f 40 fe call 0xfe400f4f
15: eb 0c jmp 0x23
17: e8 33 0f 40 fe call 0xfe400f4f
1c: eb 05 jmp 0x23
1e: e8 2c 0f 40 fe call 0xfe400f4f
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 f7 mov %r14,%rdi
34: e8 86 7e 7f fe call 0xfe7f7ebf
39: 4d 8b 36 mov (%r14),%r14
3c: 4c 89 f7 mov %r14,%rdi
3f: e8 .byte 0xe8