Extracting prog: 3m19.993377321s Minimizing prog: 57m11.910466491s Simplifying prog options: 17m39.174716303s Extracting C: 36.269158558s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO-fsmount-socket$nl_generic-listen detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(0xffffffffffffffff, 0x80dc5521, 0x0) fsmount(r0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) listen(0xffffffffffffffff, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO-fsmount-socket$nl_generic-listen detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(0xffffffffffffffff, 0x80dc5521, 0x0) fsmount(r0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) listen(0xffffffffffffffff, 0x0) program crashed: WARNING in dev_shutdown single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO-fsmount-socket$nl_generic detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(0xffffffffffffffff, 0x80dc5521, 0x0) fsmount(r0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO-fsmount detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(0xffffffffffffffff, 0x80dc5521, 0x0) fsmount(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(0xffffffffffffffff, 0x80dc5521, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io-syz_usb_control_io detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect-syz_usb_control_io detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) r1 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) syz_usb_control_io(r1, 0x0, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_connect detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = fsopen(0x0, 0x0) syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC=r0], 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-fsopen-syz_usb_control_io detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) fsopen(0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$sock_SIOCGIFINDEX-syz_usb_connect-syz_usb_control_io detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io program did not crash simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000400)=ANY=[@ANYBLOB="120100009880a420d00622065a3f010203010902240001000010000904a6000209abe0000905020200020200000905820210000000", @ANYRES32, @ANYBLOB, @ANYRESDEC], 0x0) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in dev_shutdown validation run: crashed=true reproducing took 1h34m1.845807506s repro crashed as (corrupted=false): usb 6-1: USB disconnect, device number 8 net1080 6-1:0.166 usb0: unregister 'net1080' usb-dummy_hcd.5-1, NetChip TurboCONNECT ------------[ cut here ]------------ timer_pending(&dev->watchdog_timer) WARNING: net/sched/sch_generic.c:1518 at dev_shutdown+0x3ea/0x450 net/sched/sch_generic.c:1518, CPU#1: kworker/1:7/5922 Modules linked in: CPU: 1 UID: 0 PID: 5922 Comm: kworker/1:7 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:dev_shutdown+0x3ea/0x450 net/sched/sch_generic.c:1518 Code: 4c 76 6e f8 49 83 7d 00 00 75 19 e8 80 cc 00 f8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 67 cc 00 f8 90 <0f> 0b 90 eb e1 e8 5c cc 00 f8 4c 89 e7 be 03 00 00 00 e8 8f 8a 0e RSP: 0018:ffffc9000200f1a0 EFLAGS: 00010293 RAX: ffffffff89c63679 RBX: 0000000000000001 RCX: ffff88807f051f40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88807bf50570 R08: ffffc9000200efc7 R09: 1ffff92000401df8 R10: dffffc0000000000 R11: fffff52000401df9 R12: ffffffff90076310 R13: ffff88807bf50650 R14: 1ffff1100f7ea0ae R15: ffffffff90076300 FS: 0000000000000000(0000) GS:ffff88812503f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ce7070000 CR3: 0000000070c48000 CR4: 00000000003526f0 Call Trace: unregister_netdevice_many_notify+0x11f4/0x2140 net/core/dev.c:12439 unregister_netdevice_many net/core/dev.c:12513 [inline] unregister_netdevice_queue net/core/dev.c:12324 [inline] unregister_netdevice include/linux/netdevice.h:3474 [inline] unregister_netdev+0x155/0x1f0 net/core/dev.c:12531 usbnet_disconnect+0xcd/0x390 drivers/net/usb/usbnet.c:1681 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3961 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2345 hub_port_connect drivers/usb/core/hub.c:5415 [inline] hub_port_connect_change drivers/usb/core/hub.c:5715 [inline] port_event drivers/usb/core/hub.c:5879 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5961 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): usb 6-1: USB disconnect, device number 8 net1080 6-1:0.166 usb0: unregister 'net1080' usb-dummy_hcd.5-1, NetChip TurboCONNECT ------------[ cut here ]------------ timer_pending(&dev->watchdog_timer) WARNING: net/sched/sch_generic.c:1518 at dev_shutdown+0x3ea/0x450 net/sched/sch_generic.c:1518, CPU#1: kworker/1:7/5922 Modules linked in: CPU: 1 UID: 0 PID: 5922 Comm: kworker/1:7 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:dev_shutdown+0x3ea/0x450 net/sched/sch_generic.c:1518 Code: 4c 76 6e f8 49 83 7d 00 00 75 19 e8 80 cc 00 f8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 67 cc 00 f8 90 <0f> 0b 90 eb e1 e8 5c cc 00 f8 4c 89 e7 be 03 00 00 00 e8 8f 8a 0e RSP: 0018:ffffc9000200f1a0 EFLAGS: 00010293 RAX: ffffffff89c63679 RBX: 0000000000000001 RCX: ffff88807f051f40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88807bf50570 R08: ffffc9000200efc7 R09: 1ffff92000401df8 R10: dffffc0000000000 R11: fffff52000401df9 R12: ffffffff90076310 R13: ffff88807bf50650 R14: 1ffff1100f7ea0ae R15: ffffffff90076300 FS: 0000000000000000(0000) GS:ffff88812503f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ce7070000 CR3: 0000000070c48000 CR4: 00000000003526f0 Call Trace: unregister_netdevice_many_notify+0x11f4/0x2140 net/core/dev.c:12439 unregister_netdevice_many net/core/dev.c:12513 [inline] unregister_netdevice_queue net/core/dev.c:12324 [inline] unregister_netdevice include/linux/netdevice.h:3474 [inline] unregister_netdev+0x155/0x1f0 net/core/dev.c:12531 usbnet_disconnect+0xcd/0x390 drivers/net/usb/usbnet.c:1681 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 bus_remove_device+0x444/0x560 drivers/base/bus.c:664 device_del+0x524/0x8f0 drivers/base/core.c:3961 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2345 hub_port_connect drivers/usb/core/hub.c:5415 [inline] hub_port_connect_change drivers/usb/core/hub.c:5715 [inline] port_event drivers/usb/core/hub.c:5879 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5961 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245