Extracting prog: 1m3.633804767s
Minimizing prog: 10m16.483448358s
Simplifying prog options: 2m46.940032732s
Extracting C: 22.070210295s
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: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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=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=37.358898777s, {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}}): 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=37.358898777s, {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}}): mkdirat-mount-openat-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200), 0x0)
syz_usb_connect$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
syz_usb_connect$uac3(0x0, 0xb4, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=37.358898777s, {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}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
program crashed: general protection fault in dummy_udc_start
a never seen crash title: general protection fault in dummy_udc_start, ignore
simplifying guilty program options
testing program (duration=37.358898777s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
testing program (duration=37.358898777s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in set_link_state
validation run: crashed=true
testing program (duration=37.358898777s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program did not crash
validation run: crashed=false
testing program (duration=37.358898777s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=37.358898777s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$uac3
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$uac3(0x0, 0xb4, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
reproducing took 18m16.163767128s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 405 Comm: syz.0.17 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:dummy_udc_start+0xd1/0x1f0 drivers/usb/gadget/udc/dummy_hcd.c:1003
Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 08 ce fd eb 0c e8 9d 08 ce fd eb 05 e8 96 08 ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 70 cb 26 fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90000ebf818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888119264010 RCX: ffff888127e74c00
RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003
RBP: ffffc90000ebf840 R08: ffff888127e74c00 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f34dadfc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34d9f87100 CR3: 0000000134cac000 CR4: 00000000003526b0
Call Trace:
usb_gadget_udc_start_locked drivers/usb/gadget/udc/core.c:1225 [inline]
gadget_bind_driver+0x3e1/0x9c0 drivers/usb/gadget/udc/core.c:1619
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__driver_attach+0x422/0x5e0 drivers/base/dd.c:1215
bus_for_each_dev+0x249/0x2d0 drivers/base/bus.c:370
driver_attach+0x46/0x50 drivers/base/dd.c:1233
bus_add_driver+0x393/0x730 drivers/base/bus.c:675
driver_register+0x2b7/0x3c0 drivers/base/driver.c:246
usb_gadget_register_driver_owner+0xfc/0x270 drivers/usb/gadget/udc/core.c:1704
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:596 [inline]
raw_ioctl+0x144c/0x37a0 drivers/usb/gadget/legacy/raw_gadget.c:1307
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:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f34d9f9dc2b
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:00007f34dadf9f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f34d9f9dc2b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f34dadfafd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000000280 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dummy_udc_start+0xd1/0x1f0 drivers/usb/gadget/udc/dummy_hcd.c:1003
Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 08 ce fd eb 0c e8 9d 08 ce fd eb 05 e8 96 08 ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 70 cb 26 fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90000ebf818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888119264010 RCX: ffff888127e74c00
RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003
RBP: ffffc90000ebf840 R08: ffff888127e74c00 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f34dadfc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34d9f87100 CR3: 0000000134cac000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 41 83 ff 03 cmp $0x3,%r15d
4: 74 18 je 0x1e
6: 41 83 ff 05 cmp $0x5,%r15d
a: 0f 85 94 00 00 00 jne 0xa4
10: e8 a4 08 ce fd call 0xfdce08b9
15: eb 0c jmp 0x23
17: e8 9d 08 ce fd call 0xfdce08b9
1c: eb 05 jmp 0x23
1e: e8 96 08 ce fd call 0xfdce08b9
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 70 cb 26 fe call 0xfe26cba9
39: 4d 8b 36 mov (%r14),%r14
3c: 4c 89 f7 mov %r14,%rdi
3f: e8 .byte 0xe8
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 405 Comm: syz.0.17 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:dummy_udc_start+0xd1/0x1f0 drivers/usb/gadget/udc/dummy_hcd.c:1003
Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 08 ce fd eb 0c e8 9d 08 ce fd eb 05 e8 96 08 ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 70 cb 26 fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90000ebf818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888119264010 RCX: ffff888127e74c00
RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003
RBP: ffffc90000ebf840 R08: ffff888127e74c00 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f34dadfc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34d9f87100 CR3: 0000000134cac000 CR4: 00000000003526b0
Call Trace:
usb_gadget_udc_start_locked drivers/usb/gadget/udc/core.c:1225 [inline]
gadget_bind_driver+0x3e1/0x9c0 drivers/usb/gadget/udc/core.c:1619
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__driver_attach+0x422/0x5e0 drivers/base/dd.c:1215
bus_for_each_dev+0x249/0x2d0 drivers/base/bus.c:370
driver_attach+0x46/0x50 drivers/base/dd.c:1233
bus_add_driver+0x393/0x730 drivers/base/bus.c:675
driver_register+0x2b7/0x3c0 drivers/base/driver.c:246
usb_gadget_register_driver_owner+0xfc/0x270 drivers/usb/gadget/udc/core.c:1704
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:596 [inline]
raw_ioctl+0x144c/0x37a0 drivers/usb/gadget/legacy/raw_gadget.c:1307
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:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f34d9f9dc2b
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:00007f34dadf9f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f34d9f9dc2b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f34dadfafd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000000280 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dummy_udc_start+0xd1/0x1f0 drivers/usb/gadget/udc/dummy_hcd.c:1003
Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 08 ce fd eb 0c e8 9d 08 ce fd eb 05 e8 96 08 ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 70 cb 26 fe 4d 8b 36 4c 89 f7 e8
RSP: 0018:ffffc90000ebf818 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888119264010 RCX: ffff888127e74c00
RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003
RBP: ffffc90000ebf840 R08: ffff888127e74c00 R09: 0000000000000004
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS: 00007f34dadfc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34d9f87100 CR3: 0000000134cac000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 41 83 ff 03 cmp $0x3,%r15d
4: 74 18 je 0x1e
6: 41 83 ff 05 cmp $0x5,%r15d
a: 0f 85 94 00 00 00 jne 0xa4
10: e8 a4 08 ce fd call 0xfdce08b9
15: eb 0c jmp 0x23
17: e8 9d 08 ce fd call 0xfdce08b9
1c: eb 05 jmp 0x23
1e: e8 96 08 ce fd call 0xfdce08b9
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 70 cb 26 fe call 0xfe26cba9
39: 4d 8b 36 mov (%r14),%r14
3c: 4c 89 f7 mov %r14,%rdi
3f: e8 .byte 0xe8