Extracting prog: 1m11.702041939s
Minimizing prog: 14m3.226798677s
Simplifying prog options: 2m17.159678297s
Extracting C: 26.099381559s
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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-mount-openat-write-syz_usb_connect$hid-ptrace$setregs
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)
ptrace$setregs(0xf, 0x0, 0xba, &(0x7f0000000080)="ef5f0f5fb96edcf382510cdb2bd260673866d0051647c299d534ba")

program crashed: general protection fault in set_link_state
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-mount-openat-write
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)

program did not crash
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-mount-openat-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
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)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-mount-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mkdirat-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-socketpair$tipc-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000002c0))
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-syz_genetlink_get_family_id$tipc2-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
syz_genetlink_get_family_id$tipc2(0x0, r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-openat$tun-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-socket$nl_generic-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-syz_usb_connect-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
syz_usb_connect(0x3, 0x24, 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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-openat$fuse-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-sendmsg$802154_dgram-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x4c894)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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_init_net_socket$802154_dgram-mkdirat-mount-openat-write-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200), 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program did not crash
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=38.299199538s, {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$hid
program did not crash
simplifying guilty program options
testing program (duration=38.299199538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
extracting C reproducer
testing compiled C program (duration=38.299199538s, {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$hid
program did not crash
testing program (duration=38.299199538s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
extracting C reproducer
testing compiled C program (duration=38.299199538s, {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$hid
program did not crash
testing program (duration=38.299199538s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_usb_connect$hid
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\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
testing program (duration=38.299199538s, {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$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./mysys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./mysys/bus/platform/drivers/dummy_hcd/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='dummy_hcd.0\x00', 0xb)
syz_usb_connect$hid(0x0, 0x36, &(0x7f00000006c0)=ANY=[@ANYBLOB], 0x0)

program crashed: general protection fault in dummy_udc_start
validation run: crashed=true
reproducing took 19m52.840186881s
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: 5900 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:ffffc90003497b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802c238c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d3b6c7 RDI: ffff88802c239290
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000003 R11: 0000000000000001 R12: ffff888026826050
R13: 0000000000000000 R14: ffff88802d5c04f1 R15: ffff88802d5c0008
FS:  0000555574c91500(0000) GS:ffff8880d5bb6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc47f87700 CR3: 000000003f65f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 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: 0033:0x7efc47f9dd6b
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:00007ffc21cf5f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efc47f9dd6b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007ffc21cf6fd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00002000000006c0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
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:ffffc90003497b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802c238c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d3b6c7 RDI: ffff88802c239290
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000003 R11: 0000000000000001 R12: ffff888026826050
R13: 0000000000000000 R14: ffff88802d5c04f1 R15: ffff88802d5c0008
FS:  0000555574c91500(0000) GS:ffff8880d5eb6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0fc58118 CR3: 000000003f65f000 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: 5900 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:ffffc90003497b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802c238c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d3b6c7 RDI: ffff88802c239290
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000003 R11: 0000000000000001 R12: ffff888026826050
R13: 0000000000000000 R14: ffff88802d5c04f1 R15: ffff88802d5c0008
FS:  0000555574c91500(0000) GS:ffff8880d5bb6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc47f87700 CR3: 000000003f65f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 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: 0033:0x7efc47f9dd6b
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:00007ffc21cf5f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efc47f9dd6b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007ffc21cf6fd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00002000000006c0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
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:ffffc90003497b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88802c238c00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87d3b6c7 RDI: ffff88802c239290
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000003 R11: 0000000000000001 R12: ffff888026826050
R13: 0000000000000000 R14: ffff88802d5c04f1 R15: ffff88802d5c0008
FS:  0000555574c91500(0000) GS:ffff8880d5eb6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0fc58118 CR3: 000000003f65f000 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