Extracting prog: 1m10.799483113s Minimizing prog: 14m57.468361722s Simplifying prog options: 0s Extracting C: 29.95557067s Simplifying C: 4m36.352110314s 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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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=37.540158612s, {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 23m15.445117644s repro crashed as (corrupted=false): ------------[ cut here ]------------ usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 WARNING: CPU: 0 PID: 93 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: 93 Comm: syslogd Not tainted syzkaller #0 4d4a838cf2fc485b043991145ccf8426a0241c16 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 60 50 6d 86 49 c7 c0 80 50 6d 86 4c 0f 44 c0 48 c7 c7 20 50 6d 86 48 c7 c6 14 05 1d 87 44 89 f2 e8 a0 c7 4b fd <0f> 0b e9 4c ff ff ff e8 64 ef ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0000:ffffc9000082f7b8 EFLAGS: 00010046 RAX: eb119a14c2572000 RBX: ffff8881043740b0 RCX: ffff88810c35cc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc9000082f7e0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e9f34c R12: dffffc0000000000 R13: ffff8881043740b8 R14: 0000000000000081 R15: ffff888115f8893a FS: 00007fbac034bc80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a1f555690 CR3: 000000010c71a000 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fbac0462cf7 Code: 00 66 90 48 8b 05 81 22 18 00 45 31 c0 31 c9 64 4c 8b 08 e9 2b 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 05 61 22 18 00 <41> b8 01 00 00 00 31 c9 64 4c 8b 08 e9 08 00 00 00 0f 1f 84 00 00 RSP: 002b:00007ffe161785f8 EFLAGS: 00000246 RAX: ffffffffffffff78 RBX: 00007ffe16178630 RCX: 0000000000000006 RDX: 000000000000000a RSI: 00007ffe16178630 RDI: 000055e809057301 RBP: 00007fbac034bc08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055e809057373 R13: 0000000000000000 R14: 000055e809057300 R15: 000055e7e657dd98 ---[ 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: 93 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: 93 Comm: syslogd Not tainted syzkaller #0 4d4a838cf2fc485b043991145ccf8426a0241c16 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 60 50 6d 86 49 c7 c0 80 50 6d 86 4c 0f 44 c0 48 c7 c7 20 50 6d 86 48 c7 c6 14 05 1d 87 44 89 f2 e8 a0 c7 4b fd <0f> 0b e9 4c ff ff ff e8 64 ef ce fd 49 bc 00 00 00 00 00 fc ff df RSP: 0000:ffffc9000082f7b8 EFLAGS: 00010046 RAX: eb119a14c2572000 RBX: ffff8881043740b0 RCX: ffff88810c35cc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc9000082f7e0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e9f34c R12: dffffc0000000000 R13: ffff8881043740b8 R14: 0000000000000081 R15: ffff888115f8893a FS: 00007fbac034bc80(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a1f555690 CR3: 000000010c71a000 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fbac0462cf7 Code: 00 66 90 48 8b 05 81 22 18 00 45 31 c0 31 c9 64 4c 8b 08 e9 2b 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 05 61 22 18 00 <41> b8 01 00 00 00 31 c9 64 4c 8b 08 e9 08 00 00 00 0f 1f 84 00 00 RSP: 002b:00007ffe161785f8 EFLAGS: 00000246 RAX: ffffffffffffff78 RBX: 00007ffe16178630 RCX: 0000000000000006 RDX: 000000000000000a RSI: 00007ffe16178630 RDI: 000055e809057301 RBP: 00007fbac034bc08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055e809057373 R13: 0000000000000000 R14: 000055e809057300 R15: 000055e7e657dd98 ---[ end trace 0000000000000000 ]--- configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!