Extracting prog: 1m11.933572979s
Minimizing prog: 23m37.943152645s
Simplifying prog options: 1m7.027214705s
Extracting C: 38.445496139s
Simplifying C: 3m57.433323668s


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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-chdir-openat-write-socket-ioctl$sock_inet_SIOCSIFFLAGS
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)
r3 = socket(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, 0x0)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-chdir-openat-write-socket
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)
socket(0x2, 0x2, 0x0)

program crashed: WARNING: refcount bug in usb_del_gadget_udc
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-chdir-openat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-chdir-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
write(0xffffffffffffffff, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-write-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000001000)='syzkaller%d', 0xb)
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: WARNING: refcount bug in usb_add_gadget
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r1, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
write(0xffffffffffffffff, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r1, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r1, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000400)='dummy_udc.0', 0xb)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r1, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400), 0x0)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, 0x0, 0x0)

program did not crash
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program did not crash
simplifying guilty program options
testing program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
extracting C reproducer
testing compiled C program (duration=35.266689903s, {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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
simplifying C reproducer
testing compiled C program (duration=35.266689903s, {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: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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program did not crash
testing compiled C program (duration=35.266689903s, {Threaded:false 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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program did not crash
testing compiled C program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
testing compiled C program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
testing compiled C program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program did not crash
testing compiled C program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
testing program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
validation run: crashed=true
testing program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
validation run: crashed=true
testing program (duration=35.266689903s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-write-openat-write-mkdir-mount-mkdir-chdir-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
mkdir(&(0x7f0000000600)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000600)='./config\x00', &(0x7f0000000700)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./config/usb_gadget/g1\x00', 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
r2 = openat(0xffffffffffffff9c, &(0x7f0000001400)='UDC\x00', 0x1, 0x0)
write(r2, &(0x7f0000001500)='dummy_udc.0', 0xb)

program crashed: KASAN: slab-use-after-free Read in driver_deferred_probe_del
validation run: crashed=true
reproducing took 32m41.832390052s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in list_empty include/linux/list.h:373 [inline]
BUG: KASAN: slab-use-after-free in driver_deferred_probe_del+0x78/0x240 drivers/base/dd.c:148
Read of size 8 at addr ffff888117ec58a8 by task syz.0.21/403

CPU: 1 UID: 0 PID: 403 Comm: syz.0.21 Not tainted syzkaller #0 1c659cfea3877f078df945e50c8eb7045fd035a9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_address_description+0x71/0x210 mm/kasan/report.c:377
 print_report+0x4a/0x70 mm/kasan/report.c:481
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 __asan_report_load8_noabort+0x18/0x20 mm/kasan/report_generic.c:381
 list_empty include/linux/list.h:373 [inline]
 driver_deferred_probe_del+0x78/0x240 drivers/base/dd.c:148
 device_del+0x593/0xcf0 drivers/base/core.c:3883
 usb_del_gadget+0x18f/0x200 drivers/usb/gadget/udc/core.c:1577
 usb_del_gadget_udc+0x19/0x30 drivers/usb/gadget/udc/core.c:1593
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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: 0033:0x7f1d8a59e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffceba93908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1d8a825fa0 RCX: 00007f1d8a59e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000003
RBP: 00007f1d8a63500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d8a825fac R14: 00007f1d8a825fa0 R15: 00007f1d8a825fa0
 </TASK>

Allocated by task 404:
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
 poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
 __kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
 kasan_kmalloc include/linux/kasan.h:261 [inline]
 __kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4426
 kmalloc_noprof include/linux/slab.h:881 [inline]
 kzalloc_noprof include/linux/slab.h:1017 [inline]
 device_private_init drivers/base/core.c:3537 [inline]
 device_add+0xc1/0xbf0 drivers/base/core.c:3588
 usb_add_gadget+0x43e/0x780 drivers/usb/gadget/udc/core.c:1448
 usb_add_gadget_udc_release drivers/usb/gadget/udc/core.c:1504 [inline]
 usb_add_gadget_udc+0x11e/0x160 drivers/usb/gadget/udc/core.c:1551
 dummy_udc_probe+0x6ea/0x7f0 drivers/usb/gadget/udc/dummy_hcd.c:1102
 platform_probe+0x17a/0x200 drivers/base/platform.c:1404
 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
 device_driver_attach+0xdb/0x1f0 drivers/base/dd.c:1126
 bind_store+0x1dc/0x230 drivers/base/bus.c:267
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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

Freed by task 403:
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_free_info+0x44/0x50 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:249 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2445 [inline]
 slab_free mm/slub.c:4714 [inline]
 kfree+0x158/0x440 mm/slub.c:4875
 device_release+0xb6/0x1e0 drivers/base/core.c:2572
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1a7/0x2a0 lib/kobject.c:737
 put_device+0x23/0x40 drivers/base/core.c:3800
 klist_devices_put+0x3c/0x60 drivers/base/bus.c:817
 klist_put lib/klist.c:221 [inline]
 klist_del+0xf5/0x120 lib/klist.c:230
 bus_remove_device+0x33f/0x370 drivers/base/bus.c:572
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_del_gadget+0x18f/0x200 drivers/usb/gadget/udc/core.c:1577
 usb_del_gadget_udc+0x19/0x30 drivers/usb/gadget/udc/core.c:1593
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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

The buggy address belongs to the object at ffff888117ec5800
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 168 bytes inside of
 freed 256-byte region [ffff888117ec5800, ffff888117ec5900)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117ec4
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x4000000000000040(head|zone=1)
page_type: f5(slab)
raw: 4000000000000040 ffff888100041b40 0000000000000000 0000000000000001
raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 4000000000000040 ffff888100041b40 0000000000000000 0000000000000001
head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 4000000000000001 ffffea00045fb101 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 114, tgid 114 (udevd), ts 5062431571, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook+0x37d/0x3b0 mm/page_alloc.c:1863
 prep_new_page+0x2d/0x180 mm/page_alloc.c:1871
 get_page_from_freelist+0x4aea/0x4ba0 mm/page_alloc.c:3948
 __alloc_pages_noprof+0x35a/0x7e0 mm/page_alloc.c:5315
 alloc_slab_page+0x6b/0x1e0 mm/slub.c:-1
 allocate_slab+0x69/0x430 mm/slub.c:2687
 new_slab mm/slub.c:2741 [inline]
 ___slab_alloc+0x591/0x8c0 mm/slub.c:3934
 __slab_alloc mm/slub.c:4025 [inline]
 __slab_alloc_node mm/slub.c:4078 [inline]
 slab_alloc_node mm/slub.c:4239 [inline]
 __kmalloc_cache_noprof+0x2cd/0x470 mm/slub.c:4421
 kmalloc_noprof include/linux/slab.h:881 [inline]
 inode_doinit_use_xattr+0x6a/0x550 security/selinux/hooks.c:1375
 inode_doinit_with_dentry+0x9b1/0xde0 security/selinux/hooks.c:1569
 selinux_d_instantiate+0x2b/0x40 security/selinux/hooks.c:6361
 security_d_instantiate+0xb8/0xf0 security/security.c:4068
 d_splice_alias+0x71/0x3a0 fs/dcache.c:2949
 kernfs_iop_lookup+0x2c6/0x320 fs/kernfs/dir.c:1233
 __lookup_slow+0x2e5/0x420 fs/namei.c:1740
 lookup_slow+0x57/0x80 fs/namei.c:1757
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888117ec5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888117ec5800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888117ec5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                  ^
 ffff888117ec5900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888117ec5980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 0 PID: 403 at lib/refcount.c:28 refcount_warn_saturate+0x119/0x1c0 lib/refcount.c:28
Modules linked in:

CPU: 0 UID: 0 PID: 403 Comm: syz.0.21 Tainted: G    B              syzkaller #0 1c659cfea3877f078df945e50c8eb7045fd035a9
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:refcount_warn_saturate+0x119/0x1c0 lib/refcount.c:28
Code: 05 01 48 c7 c7 80 ec 51 86 e8 43 79 55 fe 0f 0b eb da e8 0a a1 d8 fe c6 05 88 7a 36 05 01 48 c7 c7 e0 ec 51 86 e8 27 79 55 fe <0f> 0b eb be e8 ee a0 d8 fe c6 05 69 7a 36 05 01 48 c7 c7 20 ec 51
RSP: 0018:ffffc9000117fa48 EFLAGS: 00010246
RAX: 4dee2a6d16a99200 RBX: 0000000000000003 RCX: ffff8881181fa600
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000117fa58 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200022feac R12: 0000000000000000
R13: ffff8881033b8d34 R14: ffff8881033b8d30 R15: ffff8881033b8d30
FS:  0000555586058500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce1219020 CR3: 0000000118aac000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 __refcount_sub_and_test include/linux/refcount.h:400 [inline]
 __refcount_dec_and_test include/linux/refcount.h:432 [inline]
 refcount_dec_and_test include/linux/refcount.h:450 [inline]
 kref_put include/linux/kref.h:64 [inline]
 kobject_put+0x25a/0x2a0 lib/kobject.c:737
 put_device+0x23/0x40 drivers/base/core.c:3800
 usb_put_gadget include/linux/usb/gadget.h:512 [inline]
 usb_del_gadget_udc+0x25/0x30 drivers/usb/gadget/udc/core.c:1594
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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: 0033:0x7f1d8a59e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffceba93908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1d8a825fa0 RCX: 00007f1d8a59e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000003
RBP: 00007f1d8a63500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d8a825fac R14: 00007f1d8a825fa0 R15: 00007f1d8a825fa0
 </TASK>
---[ end trace 0000000000000000 ]---
Need at least one configuration in g1.
udc dummy_udc.0: failed to start g1: -22
configfs-gadget.g1 gadget.0: probe with driver configfs-gadget.g1 failed with error -22
UDC core: g1: couldn't find an available UDC or it's busy

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in list_empty include/linux/list.h:373 [inline]
BUG: KASAN: slab-use-after-free in driver_deferred_probe_del+0x78/0x240 drivers/base/dd.c:148
Read of size 8 at addr ffff888117ec58a8 by task syz.0.21/403

CPU: 1 UID: 0 PID: 403 Comm: syz.0.21 Not tainted syzkaller #0 1c659cfea3877f078df945e50c8eb7045fd035a9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_address_description+0x71/0x210 mm/kasan/report.c:377
 print_report+0x4a/0x70 mm/kasan/report.c:481
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 __asan_report_load8_noabort+0x18/0x20 mm/kasan/report_generic.c:381
 list_empty include/linux/list.h:373 [inline]
 driver_deferred_probe_del+0x78/0x240 drivers/base/dd.c:148
 device_del+0x593/0xcf0 drivers/base/core.c:3883
 usb_del_gadget+0x18f/0x200 drivers/usb/gadget/udc/core.c:1577
 usb_del_gadget_udc+0x19/0x30 drivers/usb/gadget/udc/core.c:1593
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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: 0033:0x7f1d8a59e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffceba93908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1d8a825fa0 RCX: 00007f1d8a59e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000003
RBP: 00007f1d8a63500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d8a825fac R14: 00007f1d8a825fa0 R15: 00007f1d8a825fa0
 </TASK>

Allocated by task 404:
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
 poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
 __kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
 kasan_kmalloc include/linux/kasan.h:261 [inline]
 __kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4426
 kmalloc_noprof include/linux/slab.h:881 [inline]
 kzalloc_noprof include/linux/slab.h:1017 [inline]
 device_private_init drivers/base/core.c:3537 [inline]
 device_add+0xc1/0xbf0 drivers/base/core.c:3588
 usb_add_gadget+0x43e/0x780 drivers/usb/gadget/udc/core.c:1448
 usb_add_gadget_udc_release drivers/usb/gadget/udc/core.c:1504 [inline]
 usb_add_gadget_udc+0x11e/0x160 drivers/usb/gadget/udc/core.c:1551
 dummy_udc_probe+0x6ea/0x7f0 drivers/usb/gadget/udc/dummy_hcd.c:1102
 platform_probe+0x17a/0x200 drivers/base/platform.c:1404
 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
 device_driver_attach+0xdb/0x1f0 drivers/base/dd.c:1126
 bind_store+0x1dc/0x230 drivers/base/bus.c:267
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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

Freed by task 403:
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_free_info+0x44/0x50 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:249 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2445 [inline]
 slab_free mm/slub.c:4714 [inline]
 kfree+0x158/0x440 mm/slub.c:4875
 device_release+0xb6/0x1e0 drivers/base/core.c:2572
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1a7/0x2a0 lib/kobject.c:737
 put_device+0x23/0x40 drivers/base/core.c:3800
 klist_devices_put+0x3c/0x60 drivers/base/bus.c:817
 klist_put lib/klist.c:221 [inline]
 klist_del+0xf5/0x120 lib/klist.c:230
 bus_remove_device+0x33f/0x370 drivers/base/bus.c:572
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_del_gadget+0x18f/0x200 drivers/usb/gadget/udc/core.c:1577
 usb_del_gadget_udc+0x19/0x30 drivers/usb/gadget/udc/core.c:1593
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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

The buggy address belongs to the object at ffff888117ec5800
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 168 bytes inside of
 freed 256-byte region [ffff888117ec5800, ffff888117ec5900)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117ec4
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x4000000000000040(head|zone=1)
page_type: f5(slab)
raw: 4000000000000040 ffff888100041b40 0000000000000000 0000000000000001
raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 4000000000000040 ffff888100041b40 0000000000000000 0000000000000001
head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 4000000000000001 ffffea00045fb101 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 114, tgid 114 (udevd), ts 5062431571, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook+0x37d/0x3b0 mm/page_alloc.c:1863
 prep_new_page+0x2d/0x180 mm/page_alloc.c:1871
 get_page_from_freelist+0x4aea/0x4ba0 mm/page_alloc.c:3948
 __alloc_pages_noprof+0x35a/0x7e0 mm/page_alloc.c:5315
 alloc_slab_page+0x6b/0x1e0 mm/slub.c:-1
 allocate_slab+0x69/0x430 mm/slub.c:2687
 new_slab mm/slub.c:2741 [inline]
 ___slab_alloc+0x591/0x8c0 mm/slub.c:3934
 __slab_alloc mm/slub.c:4025 [inline]
 __slab_alloc_node mm/slub.c:4078 [inline]
 slab_alloc_node mm/slub.c:4239 [inline]
 __kmalloc_cache_noprof+0x2cd/0x470 mm/slub.c:4421
 kmalloc_noprof include/linux/slab.h:881 [inline]
 inode_doinit_use_xattr+0x6a/0x550 security/selinux/hooks.c:1375
 inode_doinit_with_dentry+0x9b1/0xde0 security/selinux/hooks.c:1569
 selinux_d_instantiate+0x2b/0x40 security/selinux/hooks.c:6361
 security_d_instantiate+0xb8/0xf0 security/security.c:4068
 d_splice_alias+0x71/0x3a0 fs/dcache.c:2949
 kernfs_iop_lookup+0x2c6/0x320 fs/kernfs/dir.c:1233
 __lookup_slow+0x2e5/0x420 fs/namei.c:1740
 lookup_slow+0x57/0x80 fs/namei.c:1757
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888117ec5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888117ec5800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888117ec5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                  ^
 ffff888117ec5900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888117ec5980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 0 PID: 403 at lib/refcount.c:28 refcount_warn_saturate+0x119/0x1c0 lib/refcount.c:28
Modules linked in:

CPU: 0 UID: 0 PID: 403 Comm: syz.0.21 Tainted: G    B              syzkaller #0 1c659cfea3877f078df945e50c8eb7045fd035a9
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:refcount_warn_saturate+0x119/0x1c0 lib/refcount.c:28
Code: 05 01 48 c7 c7 80 ec 51 86 e8 43 79 55 fe 0f 0b eb da e8 0a a1 d8 fe c6 05 88 7a 36 05 01 48 c7 c7 e0 ec 51 86 e8 27 79 55 fe <0f> 0b eb be e8 ee a0 d8 fe c6 05 69 7a 36 05 01 48 c7 c7 20 ec 51
RSP: 0018:ffffc9000117fa48 EFLAGS: 00010246
RAX: 4dee2a6d16a99200 RBX: 0000000000000003 RCX: ffff8881181fa600
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000117fa58 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200022feac R12: 0000000000000000
R13: ffff8881033b8d34 R14: ffff8881033b8d30 R15: ffff8881033b8d30
FS:  0000555586058500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce1219020 CR3: 0000000118aac000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 __refcount_sub_and_test include/linux/refcount.h:400 [inline]
 __refcount_dec_and_test include/linux/refcount.h:432 [inline]
 refcount_dec_and_test include/linux/refcount.h:450 [inline]
 kref_put include/linux/kref.h:64 [inline]
 kobject_put+0x25a/0x2a0 lib/kobject.c:737
 put_device+0x23/0x40 drivers/base/core.c:3800
 usb_put_gadget include/linux/usb/gadget.h:512 [inline]
 usb_del_gadget_udc+0x25/0x30 drivers/usb/gadget/udc/core.c:1594
 dummy_udc_remove+0x5c/0x70 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x7e/0xb0 drivers/base/platform.c:1424
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_driver_detach+0x3f/0x50 drivers/base/dd.c:1331
 unbind_store+0x1ab/0x1f0 drivers/base/bus.c:244
 drv_attr_store+0x91/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x316/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 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: 0033:0x7f1d8a59e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffceba93908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1d8a825fa0 RCX: 00007f1d8a59e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000003
RBP: 00007f1d8a63500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d8a825fac R14: 00007f1d8a825fa0 R15: 00007f1d8a825fa0
 </TASK>
---[ end trace 0000000000000000 ]---
Need at least one configuration in g1.
udc dummy_udc.0: failed to start g1: -22
configfs-gadget.g1 gadget.0: probe with driver configfs-gadget.g1 failed with error -22
UDC core: g1: couldn't find an available UDC or it's busy