Extracting prog: 1m8.655717204s
Minimizing prog: 9m37.561359693s
Simplifying prog options: 0s
Extracting C: 30.258418527s
Simplifying C: 3m29.128817967s


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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program crashed: general protection fault in bus_remove_device
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, 0x0, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=34.901750913s, {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: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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
simplifying C reproducer
testing compiled C program (duration=34.901750913s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing compiled C program (duration=34.901750913s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
program crashed: general protection fault in bus_remove_device
testing program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program crashed: general protection fault in bus_remove_device
validation run: crashed=true
testing program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program crashed: general protection fault in bus_remove_device
validation run: crashed=true
testing program (duration=34.901750913s, {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}}): syz_usb_connect$uac1-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x3, 0x72, &(0x7f0000000100)=ANY=[@ANYBLOB="1201010200000010392ad23f4000010203010902600003010040040904000000010100000a240100800a000201020904010000010200000904010101010200000905010920000a09050725010cfc050009030200000102000009040201010102"], &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0})
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0', 0x1)

program crashed: general protection fault in bus_remove_device
validation run: crashed=true
reproducing took 16m38.306216447s
repro crashed as (corrupted=false):
usb 5-1: selecting invalid altsetting 0
usb 5-1: USB disconnect, device number 2
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 1 UID: 0 PID: 29 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 10 0d
RSP: 0018:ffffc90000687620 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888036142880 RCX: 0000000000000000
RDX: 000000000000000b RSI: ffffffff8bb263a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2247f98
R10: ffffffff9123fcc3 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff9123fc80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff41160ff4 CR3: 0000000033bb7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 klist_del lib/klist.c:230 [inline]
 klist_remove+0x14c/0x2e0 lib/klist.c:249
 __device_release_driver drivers/base/dd.c:1357 [inline]
 device_release_driver_internal+0x4fb/0x620 drivers/base/dd.c:1372
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664
 device_del+0x376/0x9b0 drivers/base/core.c:3961
 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478
 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2345
 hub_port_connect drivers/usb/core/hub.c:5415 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5715 [inline]
 port_event drivers/usb/core/hub.c:5879 [inline]
 hub_event+0x1bb1/0x4420 drivers/usb/core/hub.c:5961
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 10 0d
RSP: 0018:ffffc90000687620 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888036142880 RCX: 0000000000000000
RDX: 000000000000000b RSI: ffffffff8bb263a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2247f98
R10: ffffffff9123fcc3 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff9123fc80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff41160ff4 CR3: 000000002ccae000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 74 01 00 00    	jne    0x181
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4c 8b 23             	mov    (%rbx),%r12
  1a:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1e:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 43 01 00 00    	jne    0x177
  34:	4c 89 e7             	mov    %r12,%rdi
  37:	4d 8b 74 24 58       	mov    0x58(%r12),%r14
  3c:	e8                   	.byte 0xe8
  3d:	7c 10                	jl     0x4f
  3f:	0d                   	.byte 0xd

final repro crashed as (corrupted=false):
usb 5-1: selecting invalid altsetting 0
usb 5-1: USB disconnect, device number 2
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 1 UID: 0 PID: 29 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 10 0d
RSP: 0018:ffffc90000687620 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888036142880 RCX: 0000000000000000
RDX: 000000000000000b RSI: ffffffff8bb263a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2247f98
R10: ffffffff9123fcc3 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff9123fc80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff41160ff4 CR3: 0000000033bb7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 klist_del lib/klist.c:230 [inline]
 klist_remove+0x14c/0x2e0 lib/klist.c:249
 __device_release_driver drivers/base/dd.c:1357 [inline]
 device_release_driver_internal+0x4fb/0x620 drivers/base/dd.c:1372
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664
 device_del+0x376/0x9b0 drivers/base/core.c:3961
 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478
 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2345
 hub_port_connect drivers/usb/core/hub.c:5415 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5715 [inline]
 port_event drivers/usb/core/hub.c:5879 [inline]
 hub_event+0x1bb1/0x4420 drivers/usb/core/hub.c:5961
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 10 0d
RSP: 0018:ffffc90000687620 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888036142880 RCX: 0000000000000000
RDX: 000000000000000b RSI: ffffffff8bb263a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2247f98
R10: ffffffff9123fcc3 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffffffff9123fc80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff41160ff4 CR3: 000000002ccae000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 74 01 00 00    	jne    0x181
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4c 8b 23             	mov    (%rbx),%r12
  1a:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1e:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 43 01 00 00    	jne    0x177
  34:	4c 89 e7             	mov    %r12,%rdi
  37:	4d 8b 74 24 58       	mov    0x58(%r12),%r14
  3c:	e8                   	.byte 0xe8
  3d:	7c 10                	jl     0x4f
  3f:	0d                   	.byte 0xd