Extracting prog: 1m10.59419931s
Minimizing prog: 11m12.116314438s
Simplifying prog options: 2m25.008365463s
Extracting C: 51.220623337s
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:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program crashed: general protection fault in set_link_state
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200), 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_usb_connect$hid-mkdirat-mount-openat-write
program did not crash
simplifying guilty program options
testing program (duration=43.848788017s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
validation run: crashed=false
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program did not crash
validation run: crashed=false
testing program (duration=43.848788017s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x10, 0x54c, 0x3d5, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xff, 0x0, 0x9, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x1, 0x15, {0x9, 0x21, 0x1, 0x77, 0x1, {0x22, 0x9}}, {{{0x9, 0x5, 0x81, 0x3, 0x20, 0x3, 0x8, 0x60}}}}}]}}]}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0', 0xb)
program crashed: general protection fault in set_link_state
validation run: crashed=true
reproducing took 20m12.950208205s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 397 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:set_link_state+0x2a/0x1210 drivers/usb/gadget/udc/dummy_hcd.c:432
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 60 49 89 fd 48 bb 00 00 00 00 00 fc ff df e8 9d 08 40 fe 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ef e8 f8 77 7f fe 4d 8b 75 00 49 8d 95 8b
RSP: 0018:ffffc90001ca7760 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888110ac13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001ca77e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000394eec R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b780000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558e8604e8 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
dummy_pullup+0xcd/0x130 drivers/usb/gadget/udc/dummy_hcd.c:911
usb_gadget_disconnect+0xe0/0x330 drivers/usb/gadget/udc/core.c:736
usb_gadget_remove_driver+0x46/0x310 drivers/usb/gadget/udc/core.c:1436
usb_gadget_unregister_driver+0x181/0x480 drivers/usb/gadget/udc/core.c:1606
raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
__fput+0x22b/0x900 fs/file_table.c:311
____fput+0x15/0x20 fs/file_table.c:339
task_work_run+0x127/0x190 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xb70/0x29a0 kernel/exit.c:890
do_group_exit+0x149/0x310 kernel/exit.c:1004
get_signal+0x64f/0x1430 kernel/signal.c:2908
arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f86fb447f99
Code: Unable to access opcode bytes at RIP 0x7f86fb447f6f.
RSP: 002b:00007f86fb2a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 000000000000000b RBX: 00007f86fb6cffa0 RCX: 00007f86fb447f99
RDX: 000000000000000b RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f86fb4deec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f86fb6d0038 R14: 00007f86fb6cffa0 R15: 00007fff87114bc8
Modules linked in:
---[ end trace 9322a04ca996efd4 ]---
RIP: 0010:set_link_state+0x2a/0x1210 drivers/usb/gadget/udc/dummy_hcd.c:432
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 60 49 89 fd 48 bb 00 00 00 00 00 fc ff df e8 9d 08 40 fe 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ef e8 f8 77 7f fe 4d 8b 75 00 49 8d 95 8b
RSP: 0018:ffffc90001ca7760 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888110ac13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001ca77e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000394eec R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b780000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558e8604e8 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 55 push %rbp
1: 48 89 e5 mov %rsp,%rbp
4: 41 57 push %r15
6: 41 56 push %r14
8: 41 55 push %r13
a: 41 54 push %r12
c: 53 push %rbx
d: 48 83 ec 60 sub $0x60,%rsp
11: 49 89 fd mov %rdi,%r13
14: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx
1b: fc ff df
1e: e8 9d 08 40 fe call 0xfe4008c0
23: 4c 89 e8 mov %r13,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 ef mov %r13,%rdi
33: e8 f8 77 7f fe call 0xfe7f7830
38: 4d 8b 75 00 mov 0x0(%r13),%r14
3c: 49 rex.WB
3d: 8d .byte 0x8d
3e: 95 xchg %eax,%ebp
3f: 8b .byte 0x8b
final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 397 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:set_link_state+0x2a/0x1210 drivers/usb/gadget/udc/dummy_hcd.c:432
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 60 49 89 fd 48 bb 00 00 00 00 00 fc ff df e8 9d 08 40 fe 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ef e8 f8 77 7f fe 4d 8b 75 00 49 8d 95 8b
RSP: 0018:ffffc90001ca7760 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888110ac13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001ca77e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000394eec R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b780000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558e8604e8 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
dummy_pullup+0xcd/0x130 drivers/usb/gadget/udc/dummy_hcd.c:911
usb_gadget_disconnect+0xe0/0x330 drivers/usb/gadget/udc/core.c:736
usb_gadget_remove_driver+0x46/0x310 drivers/usb/gadget/udc/core.c:1436
usb_gadget_unregister_driver+0x181/0x480 drivers/usb/gadget/udc/core.c:1606
raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
__fput+0x22b/0x900 fs/file_table.c:311
____fput+0x15/0x20 fs/file_table.c:339
task_work_run+0x127/0x190 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xb70/0x29a0 kernel/exit.c:890
do_group_exit+0x149/0x310 kernel/exit.c:1004
get_signal+0x64f/0x1430 kernel/signal.c:2908
arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f86fb447f99
Code: Unable to access opcode bytes at RIP 0x7f86fb447f6f.
RSP: 002b:00007f86fb2a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 000000000000000b RBX: 00007f86fb6cffa0 RCX: 00007f86fb447f99
RDX: 000000000000000b RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f86fb4deec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f86fb6d0038 R14: 00007f86fb6cffa0 R15: 00007fff87114bc8
Modules linked in:
---[ end trace 9322a04ca996efd4 ]---
RIP: 0010:set_link_state+0x2a/0x1210 drivers/usb/gadget/udc/dummy_hcd.c:432
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 60 49 89 fd 48 bb 00 00 00 00 00 fc ff df e8 9d 08 40 fe 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ef e8 f8 77 7f fe 4d 8b 75 00 49 8d 95 8b
RSP: 0018:ffffc90001ca7760 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888110ac13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001ca77e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000394eec R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b780000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558e8604e8 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 55 push %rbp
1: 48 89 e5 mov %rsp,%rbp
4: 41 57 push %r15
6: 41 56 push %r14
8: 41 55 push %r13
a: 41 54 push %r12
c: 53 push %rbx
d: 48 83 ec 60 sub $0x60,%rsp
11: 49 89 fd mov %rdi,%r13
14: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx
1b: fc ff df
1e: e8 9d 08 40 fe call 0xfe4008c0
23: 4c 89 e8 mov %r13,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 ef mov %r13,%rdi
33: e8 f8 77 7f fe call 0xfe7f7830
38: 4d 8b 75 00 mov 0x0(%r13),%r14
3c: 49 rex.WB
3d: 8d .byte 0x8d
3e: 95 xchg %eax,%ebp
3f: 8b .byte 0x8b