Extracting prog: 2m5.739607471s
Minimizing prog: 11m38.178510596s
Simplifying prog options: 2m1.424368555s
Extracting C: 22.388380383s
Simplifying C: 2m49.669242776s
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}}): mkdirat-mount-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program crashed: general protection fault in dummy_udc_start
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=35.172774783s, {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, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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}}): mount-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0), 0x0)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program did not crash
testing program (duration=35.172774783s, {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-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=35.172774783s, {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-syz_usb_connect
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=35.172774783s, {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}}): mkdirat-mount-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program crashed: general protection fault in dummy_udc_start
extracting C reproducer
testing compiled C program (duration=35.172774783s, {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}}): mkdirat-mount-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
simplifying C reproducer
testing compiled C program (duration=35.172774783s, {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}}): mkdirat-mount-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing compiled C program (duration=35.172774783s, {Threaded:false Repeat:false 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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing compiled C program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing compiled C program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing compiled C program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing compiled C program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
program crashed: general protection fault in dummy_udc_start
testing program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=35.172774783s, {Threaded:false Repeat:false 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-openat-write-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='dummy_hcd.0\x00', 0xc)
syz_usb_connect(0x2, 0x65, &(0x7f0000002780)={{0x12, 0x1, 0x300, 0xa4, 0xdd, 0x77, 0x8, 0x3eb, 0x30, 0x2077, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x4, 0xe, 0xfe, 0x90, 0x9, "", [{{0x9, 0x4, 0x66, 0x6, 0x0, 0x25, 0x38, 0xf8, 0xe, [@hid_hid={0x9, 0x21, 0x0, 0x52, 0x1, {0x22, 0x8aa}}]}}, {{0x9, 0x4, 0x2, 0x4, 0x0, 0x7a, 0x10, 0x92, 0x24, [@hid_hid={0x9, 0x21, 0x5, 0x5, 0x1, {0x22, 0xba1}}]}}, {{0x9, 0x4, 0xc9, 0xa0, 0x0, 0x0, 0x76, 0x0, 0x7}}, {{0x9, 0x4, 0xc8, 0x8, 0x0, 0xe, 0x1, 0x0, 0xbb, [@uac_control={{0xa, 0x24, 0x1, 0x2, 0xa}}, @uac_control={{0xa, 0x24, 0x1, 0x3, 0xa}}]}}]}}]}}, 0x0)
program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
reproducing took 21m46.973099141s
repro crashed as (corrupted=false):
dummy_hcd dummy_hcd.0: remove, state 4
usb usb5: USB disconnect, device number 1
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: 5919 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:dummy_udc_start+0x91/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1022
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 01 00 00 4c 8b ab 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 10 01 00 00 83 ed 01 bf 02 00 00 00 49 8b 5d 00
RSP: 0018:ffffc90003997b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802ca78c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d6e807 RDI: ffff88802ca79290
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000002 R11: 0000000000000001 R12: ffff888027988050
R13: 0000000000000000 R14: ffff8880278c44f1 R15: ffff8880278c4008
FS: 000055557a8ed500(0000) GS:ffff8880d5ba2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f2ef87700 CR3: 0000000026bf2000 CR4: 0000000000352ef0
Call Trace:
usb_gadget_udc_start_locked drivers/usb/gadget/udc/core.c:1237 [inline]
gadget_bind_driver+0x4ac/0xbf0 drivers/usb/gadget/udc/core.c:1667
call_driver_probe drivers/base/dd.c:628 [inline]
really_probe+0x241/0xa60 drivers/base/dd.c:706
__driver_probe_device+0x210/0x460 drivers/base/dd.c:868
driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
__driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
driver_register+0x1e2/0x360 drivers/base/driver.c:174
usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1752
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:596 [inline]
raw_ioctl+0x1a85/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1307
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f2ef9dd6b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffc65dc0760 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f2ef9dd6b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007ffc65dc1830 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000002780 R14: 0000000000000002 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dummy_udc_start+0x91/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1022
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 01 00 00 4c 8b ab 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 10 01 00 00 83 ed 01 bf 02 00 00 00 49 8b 5d 00
RSP: 0018:ffffc90003997b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802ca78c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d6e807 RDI: ffff88802ca79290
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000002 R11: 0000000000000001 R12: ffff888027988050
R13: 0000000000000000 R14: ffff8880278c44f1 R15: ffff8880278c4008
FS: 000055557a8ed500(0000) GS:ffff8880d5ca2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0992bfa708 CR3: 0000000026bf2000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: df 48 89 fisttps -0x77(%rax)
3: fa cli
4: 48 c1 ea 03 shr $0x3,%rdx
8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
c: 0f 85 28 01 00 00 jne 0x13a
12: 4c 8b ab 90 06 00 00 mov 0x690(%rbx),%r13
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 ea mov %r13,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 10 01 00 00 jne 0x144
34: 83 ed 01 sub $0x1,%ebp
37: bf 02 00 00 00 mov $0x2,%edi
3c: 49 8b 5d 00 mov 0x0(%r13),%rbx
final repro crashed as (corrupted=false):
dummy_hcd dummy_hcd.0: remove, state 4
usb usb5: USB disconnect, device number 1
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: 5919 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:dummy_udc_start+0x91/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1022
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 01 00 00 4c 8b ab 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 10 01 00 00 83 ed 01 bf 02 00 00 00 49 8b 5d 00
RSP: 0018:ffffc90003997b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802ca78c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d6e807 RDI: ffff88802ca79290
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000002 R11: 0000000000000001 R12: ffff888027988050
R13: 0000000000000000 R14: ffff8880278c44f1 R15: ffff8880278c4008
FS: 000055557a8ed500(0000) GS:ffff8880d5ba2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f2ef87700 CR3: 0000000026bf2000 CR4: 0000000000352ef0
Call Trace:
usb_gadget_udc_start_locked drivers/usb/gadget/udc/core.c:1237 [inline]
gadget_bind_driver+0x4ac/0xbf0 drivers/usb/gadget/udc/core.c:1667
call_driver_probe drivers/base/dd.c:628 [inline]
really_probe+0x241/0xa60 drivers/base/dd.c:706
__driver_probe_device+0x210/0x460 drivers/base/dd.c:868
driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
__driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
driver_register+0x1e2/0x360 drivers/base/driver.c:174
usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1752
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:596 [inline]
raw_ioctl+0x1a85/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1307
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f2ef9dd6b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffc65dc0760 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f2ef9dd6b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007ffc65dc1830 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000200000002780 R14: 0000000000000002 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dummy_udc_start+0x91/0x1d0 drivers/usb/gadget/udc/dummy_hcd.c:1022
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 01 00 00 4c 8b ab 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 10 01 00 00 83 ed 01 bf 02 00 00 00 49 8b 5d 00
RSP: 0018:ffffc90003997b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802ca78c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d6e807 RDI: ffff88802ca79290
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000002 R11: 0000000000000001 R12: ffff888027988050
R13: 0000000000000000 R14: ffff8880278c44f1 R15: ffff8880278c4008
FS: 000055557a8ed500(0000) GS:ffff8880d5ca2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0992bfa708 CR3: 0000000026bf2000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: df 48 89 fisttps -0x77(%rax)
3: fa cli
4: 48 c1 ea 03 shr $0x3,%rdx
8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
c: 0f 85 28 01 00 00 jne 0x13a
12: 4c 8b ab 90 06 00 00 mov 0x690(%rbx),%r13
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 ea mov %r13,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 10 01 00 00 jne 0x144
34: 83 ed 01 sub $0x1,%ebp
37: bf 02 00 00 00 mov $0x2,%edi
3c: 49 8b 5d 00 mov 0x0(%r13),%rbx