Extracting prog: 1m8.974351873s Minimizing prog: 10m49.620315733s Simplifying prog options: 0s Extracting C: 25.741263118s Simplifying C: 9m34.307903848s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program crashed: general protection fault in usb_driver_release_interface single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) write$tcp_mem(0xffffffffffffffff, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r0, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, 0x0, 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program crashed: general protection fault in usb_driver_release_interface testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true 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}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem program did not crash testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program crashed: general protection fault in usb_driver_release_interface validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash validation run: crashed=false testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program did not crash validation run: crashed=false testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program crashed: general protection fault in usb_driver_release_interface validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io$cdc_ncm-syz_usb_control_io-mkdirat-mount-openat-write$tcp_mem detailed listing: executing program 0: r0 = syz_usb_connect$cdc_ncm(0x0, 0x7a, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a44000010203010902680002010040000904000001020e0000052406000105240000000d370f0100000000000000000006241a0000000c241b4800f3ff00050080050905810300020000000904010000020d00000904010102020d0000090582020004000000090503020002"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000000)={0x44, 0x0, 0x0, 0x0, &(0x7f00000009c0)={0x20, 0x80, 0x1c, {0x1, 0x24, 0xe4d, 0x80, 0x3fc, 0xfffd, 0x5, 0xfffffffe, 0x800, 0x7542, 0x0, 0x6}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers_autoprobe\x00', 0x481, 0x0) write$tcp_mem(r1, &(0x7f0000000780)={0x3000000000, 0x20, 0x8001, 0x20, 0x1}, 0x48) program crashed: general protection fault in usb_driver_release_interface validation run: crashed=true reproducing took 25m1.178024055s repro crashed as (corrupted=false): wwan wwan1: port wwan1mbim0 disconnected Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 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 Workqueue: usb_hub_wq hub_event RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 cc ef 0c RSP: 0018:ffffc900000c7450 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888035673c80 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8bc8e645 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff224ec84 R10: ffffffff91276423 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff912763e0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880d5b4e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcc2839000 CR3: 000000003938c000 CR4: 0000000000352ef0 Call Trace: klist_del lib/klist.c:230 [inline] klist_remove+0x14c/0x2e0 lib/klist.c:249 __device_release_driver drivers/base/dd.c:1357 [inline] device_release_driver_internal+0x4fb/0x620 drivers/base/dd.c:1372 usb_driver_release_interface+0x10e/0x190 drivers/usb/core/driver.c:643 cdc_ncm_unbind+0x2ac/0x350 drivers/net/usb/cdc_ncm.c:1019 usbnet_disconnect+0x1e2/0x300 drivers/net/usb/usbnet.c:1692 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] device_remove+0x12a/0x180 drivers/base/dd.c:610 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664 device_del+0x376/0x9b0 drivers/base/core.c:3965 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1484 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2355 hub_port_connect drivers/usb/core/hub.c:5425 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1bb1/0x4420 drivers/usb/core/hub.c:5971 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 cc ef 0c RSP: 0018:ffffc900000c7450 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888035673c80 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8bc8e645 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff224ec84 R10: ffffffff91276423 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff912763e0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880d5b4e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557a2d0a28 CR3: 000000002c457000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 74 01 00 00 jne 0x181 d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 14: fc ff df 17: 4c 8b 23 mov (%rbx),%r12 1a: 49 83 e4 fe and $0xfffffffffffffffe,%r12 1e: 49 8d 7c 24 58 lea 0x58(%r12),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 43 01 00 00 jne 0x177 34: 4c 89 e7 mov %r12,%rdi 37: 4d 8b 74 24 58 mov 0x58(%r12),%r14 3c: e8 .byte 0xe8 3d: cc int3 3e: ef out %eax,(%dx) 3f: 0c .byte 0xc final repro crashed as (corrupted=false): wwan wwan1: port wwan1mbim0 disconnected Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 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 Workqueue: usb_hub_wq hub_event RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 cc ef 0c RSP: 0018:ffffc900000c7450 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888035673c80 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8bc8e645 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff224ec84 R10: ffffffff91276423 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff912763e0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880d5b4e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcc2839000 CR3: 000000003938c000 CR4: 0000000000352ef0 Call Trace: klist_del lib/klist.c:230 [inline] klist_remove+0x14c/0x2e0 lib/klist.c:249 __device_release_driver drivers/base/dd.c:1357 [inline] device_release_driver_internal+0x4fb/0x620 drivers/base/dd.c:1372 usb_driver_release_interface+0x10e/0x190 drivers/usb/core/driver.c:643 cdc_ncm_unbind+0x2ac/0x350 drivers/net/usb/cdc_ncm.c:1019 usbnet_disconnect+0x1e2/0x300 drivers/net/usb/usbnet.c:1692 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] device_remove+0x12a/0x180 drivers/base/dd.c:610 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664 device_del+0x376/0x9b0 drivers/base/core.c:3965 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1484 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2355 hub_port_connect drivers/usb/core/hub.c:5425 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1bb1/0x4420 drivers/usb/core/hub.c:5971 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 cc ef 0c RSP: 0018:ffffc900000c7450 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888035673c80 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8bc8e645 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff224ec84 R10: ffffffff91276423 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff912763e0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880d5b4e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557a2d0a28 CR3: 000000002c457000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 74 01 00 00 jne 0x181 d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 14: fc ff df 17: 4c 8b 23 mov (%rbx),%r12 1a: 49 83 e4 fe and $0xfffffffffffffffe,%r12 1e: 49 8d 7c 24 58 lea 0x58(%r12),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 43 01 00 00 jne 0x177 34: 4c 89 e7 mov %r12,%rdi 37: 4d 8b 74 24 58 mov 0x58(%r12),%r14 3c: e8 .byte 0xe8 3d: cc int3 3e: ef out %eax,(%dx) 3f: 0c .byte 0xc