Extracting prog: 1m18.206046745s Minimizing prog: 10m28.197471495s Simplifying prog options: 2m30.964537406s Extracting C: 21.533968808s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in dummy_udc_start single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, 0x0, 0x0) program did not crash testing program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=39.095899995s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write program crashed: general protection fault in set_link_state a never seen crash title: general protection fault in set_link_state, ignore simplifying guilty program options testing program (duration=39.095899995s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in dummy_udc_start extracting C reproducer testing compiled C program (duration=39.095899995s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write program crashed: general protection fault in set_link_state a never seen crash title: general protection fault in set_link_state, ignore testing program (duration=39.095899995s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in set_link_state a never seen crash title: general protection fault in set_link_state, ignore testing program (duration=39.095899995s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in set_link_state a never seen crash title: general protection fault in set_link_state, ignore testing program (duration=39.095899995s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in set_link_state validation run: crashed=true testing program (duration=39.095899995s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in dummy_udc_start validation run: crashed=true testing program (duration=39.095899995s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-write detailed listing: executing program 0: syz_usb_connect(0x5, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="120100004106cd40cd060f011bd5000000010902"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./mysys\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='dummy_hcd.0\x00', 0xb) program crashed: general protection fault in set_link_state validation run: crashed=true reproducing took 16m34.257974944s repro crashed as (corrupted=false): usb 5-1: USB disconnect, device number 2 dummy_hcd dummy_hcd.0: stopped dummy_hcd dummy_hcd.0: USB bus 5 deregistered Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 5974 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:set_link_state+0x27/0xc70 drivers/usb/gadget/udc/dummy_hcd.c:455 Code: 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 18 e8 9a 07 3d fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 35 0b 00 00 4c 8d ab a3 00 00 00 48 8b 2b 48 b8 RSP: 0018:ffffc900031b7b70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87ccd6e3 RDX: 0000000000000000 RSI: ffffffff87ccc806 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: ffff88802212c000 R14: 0000000000000000 R15: ffff88802212cc00 FS: 0000000000000000(0000) GS:ffff888096bf3000(0063) knlGS:0000000056fde480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000003280108 CR3: 0000000051d27000 CR4: 0000000000352ef0 Call Trace: dummy_pullup+0xf3/0x170 drivers/usb/gadget/udc/dummy_hcd.c:933 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:785 gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1718 device_remove+0xcb/0x180 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:832 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784 raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x3ff/0xb50 fs/file_table.c:512 task_work_run+0x150/0x240 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] __do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf708efec Code: Unable to access opcode bytes at 0xf708efc2. RSP: 002b:00000000ffe9d8fc EFLAGS: 00000202 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_link_state+0x27/0xc70 drivers/usb/gadget/udc/dummy_hcd.c:455 Code: 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 18 e8 9a 07 3d fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 35 0b 00 00 4c 8d ab a3 00 00 00 48 8b 2b 48 b8 RSP: 0018:ffffc900031b7b70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87ccd6e3 RDX: 0000000000000000 RSI: ffffffff87ccc806 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: ffff88802212c000 R14: 0000000000000000 R15: ffff88802212cc00 FS: 0000000000000000(0000) GS:ffff888096bf3000(0063) knlGS:0000000056fde480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f708f000 CR3: 0000000051d27000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 41 57 push %r15 5: 41 56 push %r14 7: 41 55 push %r13 9: 41 54 push %r12 b: 55 push %rbp c: 53 push %rbx d: 48 89 fb mov %rdi,%rbx 10: 48 83 ec 18 sub $0x18,%rsp 14: e8 9a 07 3d fa call 0xfa3d07b3 19: 48 89 da mov %rbx,%rdx 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 35 0b 00 00 jne 0xb69 34: 4c 8d ab a3 00 00 00 lea 0xa3(%rbx),%r13 3b: 48 8b 2b mov (%rbx),%rbp 3e: 48 rex.W 3f: b8 .byte 0xb8 final repro crashed as (corrupted=false): usb 5-1: USB disconnect, device number 2 dummy_hcd dummy_hcd.0: stopped dummy_hcd dummy_hcd.0: USB bus 5 deregistered Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 5974 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:set_link_state+0x27/0xc70 drivers/usb/gadget/udc/dummy_hcd.c:455 Code: 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 18 e8 9a 07 3d fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 35 0b 00 00 4c 8d ab a3 00 00 00 48 8b 2b 48 b8 RSP: 0018:ffffc900031b7b70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87ccd6e3 RDX: 0000000000000000 RSI: ffffffff87ccc806 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: ffff88802212c000 R14: 0000000000000000 R15: ffff88802212cc00 FS: 0000000000000000(0000) GS:ffff888096bf3000(0063) knlGS:0000000056fde480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000003280108 CR3: 0000000051d27000 CR4: 0000000000352ef0 Call Trace: dummy_pullup+0xf3/0x170 drivers/usb/gadget/udc/dummy_hcd.c:933 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:785 gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1718 device_remove+0xcb/0x180 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:832 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784 raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463 __fput+0x3ff/0xb50 fs/file_table.c:512 task_work_run+0x150/0x240 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1d8/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] __do_fast_syscall_32+0x701/0x970 arch/x86/entry/syscall_32.c:310 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf708efec Code: Unable to access opcode bytes at 0xf708efc2. RSP: 002b:00000000ffe9d8fc EFLAGS: 00000202 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_link_state+0x27/0xc70 drivers/usb/gadget/udc/dummy_hcd.c:455 Code: 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 18 e8 9a 07 3d fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 35 0b 00 00 4c 8d ab a3 00 00 00 48 8b 2b 48 b8 RSP: 0018:ffffc900031b7b70 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87ccd6e3 RDX: 0000000000000000 RSI: ffffffff87ccc806 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: ffff88802212c000 R14: 0000000000000000 R15: ffff88802212cc00 FS: 0000000000000000(0000) GS:ffff888096bf3000(0063) knlGS:0000000056fde480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f708f000 CR3: 0000000051d27000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 41 57 push %r15 5: 41 56 push %r14 7: 41 55 push %r13 9: 41 54 push %r12 b: 55 push %rbp c: 53 push %rbx d: 48 89 fb mov %rdi,%rbx 10: 48 83 ec 18 sub $0x18,%rsp 14: e8 9a 07 3d fa call 0xfa3d07b3 19: 48 89 da mov %rbx,%rdx 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 35 0b 00 00 jne 0xb69 34: 4c 8d ab a3 00 00 00 lea 0xa3(%rbx),%r13 3b: 48 8b 2b mov (%rbx),%rbp 3e: 48 rex.W 3f: b8 .byte 0xb8