Extracting prog: 1m15.982979677s Minimizing prog: 13m52.550163558s Simplifying prog options: 0s Extracting C: 22.984954126s Simplifying C: 4m23.914380095s 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program crashed: WARNING in usb_ep_enable single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program 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 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) program did not crash 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-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') write(0xffffffffffffffff, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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}}): mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, 0x0, &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, 0x0, 0x0) program did not crash 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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40), 0x0) program did not crash extracting C reproducer testing compiled C 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 program crashed: WARNING in usb_ep_enable simplifying C reproducer testing compiled C program (duration=30s, {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=30s, {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=30s, {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=30s, {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=30s, {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=30s, {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=30s, {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=30s, {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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program crashed: WARNING in usb_ep_enable validation run: crashed=true testing program (duration=30s, {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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program crashed: WARNING in usb_ep_enable validation run: crashed=true testing program (duration=30s, {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, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc) program crashed: WARNING in usb_ep_enable validation run: crashed=true reproducing took 21m50.343436665s repro crashed as (corrupted=false): ------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: CPU: 0 PID: 99 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: 99 Comm: klogd Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Code: 4d 00 48 c7 c0 a0 61 6d 86 49 c7 c0 c0 61 6d 86 4c 0f 44 c0 48 c7 c7 60 61 6d 86 48 c7 c6 63 75 1d 87 44 89 f2 e8 50 2b 4b fd <0f> 0b e9 4c ff ff ff e8 c4 59 ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0000:ffffc90000e5f7b8 EFLAGS: 00010046 RAX: a7579a2589d4a900 RBX: ffff888104b200b0 RCX: ffff88810d735f00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90000e5f7e0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e9f334 R12: dffffc0000000000 R13: ffff888104b200b8 R14: 0000000000000081 R15: ffff88810e6a46ba FS: 00007fda97a56c80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d8ff58060 CR3: 000000010cfd4000 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+0x18b0/0x3320 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:1758 [inline] __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fda97ba6407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe83f72c90 EFLAGS: 00000202 RAX: 0000000000000073 RBX: 00007fda97a56c80 RCX: 00007fda97ba6407 RDX: 0000000000000073 RSI: 00007ffe83f72dd0 RDI: 0000000000000003 RBP: 00007ffe83f73200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe83f73218 R13: 00007ffe83f72dd0 R14: 0000000000000058 R15: 00007ffe83f72dd0 ---[ end trace 0000000000000000 ]--- configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED! final repro crashed as (corrupted=false): ------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: CPU: 0 PID: 99 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: 99 Comm: klogd Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124 Code: 4d 00 48 c7 c0 a0 61 6d 86 49 c7 c0 c0 61 6d 86 4c 0f 44 c0 48 c7 c7 60 61 6d 86 48 c7 c6 63 75 1d 87 44 89 f2 e8 50 2b 4b fd <0f> 0b e9 4c ff ff ff e8 c4 59 ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0000:ffffc90000e5f7b8 EFLAGS: 00010046 RAX: a7579a2589d4a900 RBX: ffff888104b200b0 RCX: ffff88810d735f00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90000e5f7e0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e9f334 R12: dffffc0000000000 R13: ffff888104b200b8 R14: 0000000000000081 R15: ffff88810e6a46ba FS: 00007fda97a56c80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d8ff58060 CR3: 000000010cfd4000 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+0x18b0/0x3320 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:1758 [inline] __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fda97ba6407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe83f72c90 EFLAGS: 00000202 RAX: 0000000000000073 RBX: 00007fda97a56c80 RCX: 00007fda97ba6407 RDX: 0000000000000073 RSI: 00007ffe83f72dd0 RDI: 0000000000000003 RBP: 00007ffe83f73200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe83f73218 R13: 00007ffe83f72dd0 R14: 0000000000000058 R15: 00007ffe83f72dd0 ---[ end trace 0000000000000000 ]--- configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!