Extracting prog: 1m22.61676307s Minimizing prog: 15m0.280343334s Simplifying prog options: 0s Extracting C: 30.900051796s Simplifying C: 4m59.466404197s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program crashed: WARNING in usb_ep_enable single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') write(0xffffffffffffffff, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {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-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, 0x0, 0x0) program did not crash testing program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=36.135132225s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable simplifying C reproducer testing compiled C program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing compiled C program (duration=36.135132225s, {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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program did not crash testing compiled C program (duration=36.135132225s, {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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing compiled C program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing compiled C program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing compiled C program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing compiled C program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: WARNING in usb_ep_enable testing program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program crashed: WARNING in usb_ep_enable validation run: crashed=true testing program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program crashed: WARNING in usb_ep_enable validation run: crashed=true testing program (duration=36.135132225s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./config/usb_gadget/g1/configs/c1.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000001300)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000001400)='./config/usb_gadget/g1/configs/c1.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x1ff) write(r0, &(0x7f0000001600)='dummy_udc.0', 0xb) program crashed: WARNING in usb_ep_enable validation run: crashed=true reproducing took 24m31.859726559s repro crashed as (corrupted=false): ------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: CPU: 0 PID: 377 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Modules linked in: CPU: 0 UID: 0 PID: 377 Comm: syz-executor Not tainted syzkaller #0 c4896d72d1fb51cdc6291d08376a37fd8080d7bb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Code: 4d 00 48 c7 c0 e0 50 6d 86 49 c7 c0 00 51 6d 86 4c 0f 44 c0 48 c7 c7 a0 50 6d 86 48 c7 c6 9d 05 1d 87 44 89 f2 e8 d0 c1 4b fd <0f> 0b e9 4c ff ff ff e8 94 e9 ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0018:ffffc90000007878 EFLAGS: 00010046 RAX: 274779f740336800 RBX: ffff88810daf80b0 RCX: ffff8881151e8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900000078a0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000 R13: ffff88810daf80b8 R14: 0000000000000081 R15: ffff888107bd93ba FS: 0000555587643500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001300 CR3: 000000010eb28000 CR4: 00000000003526b0 Call Trace: hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057 set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021 composite_setup+0x1885/0x32f0 drivers/usb/gadget/composite.c:1929 configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883 dummy_timer+0x2eee/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935 __run_hrtimer kernel/time/hrtimer.c:1757 [inline] __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1821 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1838 handle_softirqs+0x1aa/0x620 kernel/softirq.c:621 __do_softirq kernel/softirq.c:659 [inline] invoke_softirq kernel/softirq.c:476 [inline] __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x5b/0x70 kernel/locking/spinlock.c:194 Code: 4e 87 e8 78 d5 39 fc 4c 89 f7 48 83 3d fd 2e a8 01 00 74 29 e8 d6 0d 00 00 90 f7 c3 00 02 00 00 74 01 fb 65 ff 0d ed 8a 5e 7a <74> 0a 5b 41 5e 5d c3 cc cc cc cc cc e8 24 9b 63 fb eb ef 0f 0b b8 RSP: 0018:ffffc9000115f520 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000a06 RCX: dffffc0000000000 RDX: ffff8881f6e723c0 RSI: 0000000000000a06 RDI: ffffffff87e450c0 RBP: ffffc9000115f530 R08: ffffffff8740d347 R09: 1ffffffff0e81a68 R10: dffffc0000000000 R11: fffffbfff0e81a69 R12: ffff8881f6e723c8 R13: ffff8881f6e723c0 R14: 000000000000000f R15: 1ffff1103edce478 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] rmqueue_bulk mm/page_alloc.c:2537 [inline] ___rmqueue_pcplist+0x2e65/0x3390 mm/page_alloc.c:3258 __rmqueue_pcplist mm/page_alloc.c:3297 [inline] rmqueue_pcplist mm/page_alloc.c:3326 [inline] rmqueue mm/page_alloc.c:3359 [inline] get_page_from_freelist+0x797/0x4ba0 mm/page_alloc.c:3945 __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] kmem_cache_alloc_lru_noprof+0x295/0x410 mm/slub.c:4272 sock_alloc_inode+0x48/0x150 net/socket.c:308 alloc_inode+0x7d/0x270 fs/inode.c:269 new_inode_pseudo+0x19/0x40 fs/inode.c:1117 sock_alloc net/socket.c:634 [inline] __sock_create+0x130/0x810 net/socket.c:1540 sock_create net/socket.c:1634 [inline] __sys_socket_create net/socket.c:1671 [inline] __sys_socket+0xe1/0x1c0 net/socket.c:1718 __do_sys_socket net/socket.c:1732 [inline] __se_sys_socket net/socket.c:1730 [inline] __x64_sys_socket+0x7e/0x90 net/socket.c:1730 x64_sys_call+0x2608/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:42 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: 0033:0x7f9d1b99f947 Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 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:00007ffeabe72818 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f9d1bbec460 RCX: 00007f9d1b99f947 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffeabe72f3c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001b R13: 00007f9d1bbec3e0 R14: 0000000000000000 R15: 00007ffeabe72f90 ---[ end trace 0000000000000000 ]--- configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED! ---------------- Code disassembly (best guess): 0: 4e 87 e8 rex.WRX xchg %r13,%rax 3: 78 d5 js 0xffffffda 5: 39 fc cmp %edi,%esp 7: 4c 89 f7 mov %r14,%rdi a: 48 83 3d fd 2e a8 01 cmpq $0x0,0x1a82efd(%rip) # 0x1a82f0f 11: 00 12: 74 29 je 0x3d 14: e8 d6 0d 00 00 call 0xdef 19: 90 nop 1a: f7 c3 00 02 00 00 test $0x200,%ebx 20: 74 01 je 0x23 22: fb sti 23: 65 ff 0d ed 8a 5e 7a decl %gs:0x7a5e8aed(%rip) # 0x7a5e8b17 * 2a: 74 0a je 0x36 <-- trapping instruction 2c: 5b pop %rbx 2d: 41 5e pop %r14 2f: 5d pop %rbp 30: c3 ret 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: e8 24 9b 63 fb call 0xfb639b5f 3b: eb ef jmp 0x2c 3d: 0f 0b ud2 3f: b8 .byte 0xb8 final repro crashed as (corrupted=false): ------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: CPU: 0 PID: 377 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Modules linked in: CPU: 0 UID: 0 PID: 377 Comm: syz-executor Not tainted syzkaller #0 c4896d72d1fb51cdc6291d08376a37fd8080d7bb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Code: 4d 00 48 c7 c0 e0 50 6d 86 49 c7 c0 00 51 6d 86 4c 0f 44 c0 48 c7 c7 a0 50 6d 86 48 c7 c6 9d 05 1d 87 44 89 f2 e8 d0 c1 4b fd <0f> 0b e9 4c ff ff ff e8 94 e9 ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0018:ffffc90000007878 EFLAGS: 00010046 RAX: 274779f740336800 RBX: ffff88810daf80b0 RCX: ffff8881151e8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900000078a0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000 R13: ffff88810daf80b8 R14: 0000000000000081 R15: ffff888107bd93ba FS: 0000555587643500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001300 CR3: 000000010eb28000 CR4: 00000000003526b0 Call Trace: hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057 set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021 composite_setup+0x1885/0x32f0 drivers/usb/gadget/composite.c:1929 configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883 dummy_timer+0x2eee/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935 __run_hrtimer kernel/time/hrtimer.c:1757 [inline] __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1821 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1838 handle_softirqs+0x1aa/0x620 kernel/softirq.c:621 __do_softirq kernel/softirq.c:659 [inline] invoke_softirq kernel/softirq.c:476 [inline] __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x5b/0x70 kernel/locking/spinlock.c:194 Code: 4e 87 e8 78 d5 39 fc 4c 89 f7 48 83 3d fd 2e a8 01 00 74 29 e8 d6 0d 00 00 90 f7 c3 00 02 00 00 74 01 fb 65 ff 0d ed 8a 5e 7a <74> 0a 5b 41 5e 5d c3 cc cc cc cc cc e8 24 9b 63 fb eb ef 0f 0b b8 RSP: 0018:ffffc9000115f520 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000a06 RCX: dffffc0000000000 RDX: ffff8881f6e723c0 RSI: 0000000000000a06 RDI: ffffffff87e450c0 RBP: ffffc9000115f530 R08: ffffffff8740d347 R09: 1ffffffff0e81a68 R10: dffffc0000000000 R11: fffffbfff0e81a69 R12: ffff8881f6e723c8 R13: ffff8881f6e723c0 R14: 000000000000000f R15: 1ffff1103edce478 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] rmqueue_bulk mm/page_alloc.c:2537 [inline] ___rmqueue_pcplist+0x2e65/0x3390 mm/page_alloc.c:3258 __rmqueue_pcplist mm/page_alloc.c:3297 [inline] rmqueue_pcplist mm/page_alloc.c:3326 [inline] rmqueue mm/page_alloc.c:3359 [inline] get_page_from_freelist+0x797/0x4ba0 mm/page_alloc.c:3945 __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] kmem_cache_alloc_lru_noprof+0x295/0x410 mm/slub.c:4272 sock_alloc_inode+0x48/0x150 net/socket.c:308 alloc_inode+0x7d/0x270 fs/inode.c:269 new_inode_pseudo+0x19/0x40 fs/inode.c:1117 sock_alloc net/socket.c:634 [inline] __sock_create+0x130/0x810 net/socket.c:1540 sock_create net/socket.c:1634 [inline] __sys_socket_create net/socket.c:1671 [inline] __sys_socket+0xe1/0x1c0 net/socket.c:1718 __do_sys_socket net/socket.c:1732 [inline] __se_sys_socket net/socket.c:1730 [inline] __x64_sys_socket+0x7e/0x90 net/socket.c:1730 x64_sys_call+0x2608/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:42 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: 0033:0x7f9d1b99f947 Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 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:00007ffeabe72818 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f9d1bbec460 RCX: 00007f9d1b99f947 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffeabe72f3c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001b R13: 00007f9d1bbec3e0 R14: 0000000000000000 R15: 00007ffeabe72f90 ---[ end trace 0000000000000000 ]--- configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED! ---------------- Code disassembly (best guess): 0: 4e 87 e8 rex.WRX xchg %r13,%rax 3: 78 d5 js 0xffffffda 5: 39 fc cmp %edi,%esp 7: 4c 89 f7 mov %r14,%rdi a: 48 83 3d fd 2e a8 01 cmpq $0x0,0x1a82efd(%rip) # 0x1a82f0f 11: 00 12: 74 29 je 0x3d 14: e8 d6 0d 00 00 call 0xdef 19: 90 nop 1a: f7 c3 00 02 00 00 test $0x200,%ebx 20: 74 01 je 0x23 22: fb sti 23: 65 ff 0d ed 8a 5e 7a decl %gs:0x7a5e8aed(%rip) # 0x7a5e8b17 * 2a: 74 0a je 0x36 <-- trapping instruction 2c: 5b pop %rbx 2d: 41 5e pop %r14 2f: 5d pop %rbp 30: c3 ret 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: e8 24 9b 63 fb call 0xfb639b5f 3b: eb ef jmp 0x2c 3d: 0f 0b ud2 3f: b8 .byte 0xb8