Extracting prog: 37.827043149s Minimizing prog: 14m37.59316011s Simplifying prog options: 0s Extracting C: 34.164661268s Simplifying C: 7m6.551299639s extracting reproducer from 28 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r1, &(0x7f0000002c00)={0x2020}, 0x2020) syz_usb_control_io(r0, 0x0, 0x0) program crashed: WARNING in vb2_start_streaming single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program crashed: WARNING in vb2_start_streaming testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-read$FUSE detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program did not crash testing program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.849718218s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming simplifying C reproducer testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {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-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing compiled C program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE program crashed: WARNING in vb2_start_streaming testing program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program crashed: WARNING in vb2_start_streaming validation run: crashed=true testing program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program crashed: WARNING in vb2_start_streaming validation run: crashed=true testing program (duration=45.849718218s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-read$FUSE detailed listing: executing program 0: syz_usb_connect(0x3, 0x34, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f71d00250001000000010902220001010080000904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./mydev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./mydev/swradio24\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000002c00)={0x2020}, 0x2020) program crashed: WARNING in vb2_start_streaming validation run: crashed=true reproducing took 25m43.953666891s repro crashed as (corrupted=false): msi2500 1-1:1.0: failed -32, cmd 41, data 608008 usb 1-1: selecting invalid altsetting 1 msi2500 1-1:1.0: failed -32, cmd 43, data 0000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4336 at drivers/media/common/videobuf2/videobuf2-core.c:1607 vb2_start_streaming+0x36c/0x4a0 drivers/media/common/videobuf2/videobuf2-core.c:1607 Modules linked in: CPU: 1 PID: 4336 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:vb2_start_streaming+0x36c/0x4a0 drivers/media/common/videobuf2/videobuf2-core.c:1607 Code: 6a ff ff ff 89 d1 80 e1 07 80 c1 03 38 c1 7c a5 48 8d bb 40 02 00 00 e8 82 97 32 fb 48 8d 93 40 02 00 00 eb 90 e8 c4 74 ed fa <0f> 0b e9 72 fe ff ff e8 b8 74 ed fa 4c 8d a3 5c 02 00 00 eb 05 e8 RSP: 0018:ffffc90002fafa30 EFLAGS: 00010293 RAX: ffffffff868b87ec RBX: ffff88807bafeb20 RCX: ffff888027d70000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000ffffffe0 R08: ffff88807bafeb1f R09: 1ffff1100f75fd63 R10: dffffc0000000000 R11: ffffed100f75fd64 R12: 00000000ffffffe0 R13: dffffc0000000000 R14: 1ffff1100f75fd63 R15: 0000000000000000 FS: 0000555584a8b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555584a8b4e8 CR3: 000000007826d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vb2_core_streamon+0x253/0x380 drivers/media/common/videobuf2/videobuf2-core.c:2108 __vb2_init_fileio+0x97e/0xc50 drivers/media/common/videobuf2/videobuf2-core.c:2678 __vb2_perform_fileio+0x346/0x1580 drivers/media/common/videobuf2/videobuf2-core.c:2754 vb2_fop_read+0x231/0x340 drivers/media/common/videobuf2/videobuf2-v4l2.c:1180 v4l2_read+0x193/0x2b0 drivers/media/v4l2-core/v4l2-dev.c:314 vfs_read+0x2ff/0xd50 fs/read_write.c:483 ksys_read+0x153/0x260 fs/read_write.c:623 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f338f161019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff749df388 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f338f3e8fa0 RCX: 00007f338f161019 RDX: 0000000000002020 RSI: 0000200000002c00 RDI: 0000000000000004 RBP: 00007f338f1f800c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f338f3e8fac R14: 00007f338f3e8fa0 R15: 00007f338f3e8fa0 final repro crashed as (corrupted=false): msi2500 1-1:1.0: failed -32, cmd 41, data 608008 usb 1-1: selecting invalid altsetting 1 msi2500 1-1:1.0: failed -32, cmd 43, data 0000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4336 at drivers/media/common/videobuf2/videobuf2-core.c:1607 vb2_start_streaming+0x36c/0x4a0 drivers/media/common/videobuf2/videobuf2-core.c:1607 Modules linked in: CPU: 1 PID: 4336 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:vb2_start_streaming+0x36c/0x4a0 drivers/media/common/videobuf2/videobuf2-core.c:1607 Code: 6a ff ff ff 89 d1 80 e1 07 80 c1 03 38 c1 7c a5 48 8d bb 40 02 00 00 e8 82 97 32 fb 48 8d 93 40 02 00 00 eb 90 e8 c4 74 ed fa <0f> 0b e9 72 fe ff ff e8 b8 74 ed fa 4c 8d a3 5c 02 00 00 eb 05 e8 RSP: 0018:ffffc90002fafa30 EFLAGS: 00010293 RAX: ffffffff868b87ec RBX: ffff88807bafeb20 RCX: ffff888027d70000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000ffffffe0 R08: ffff88807bafeb1f R09: 1ffff1100f75fd63 R10: dffffc0000000000 R11: ffffed100f75fd64 R12: 00000000ffffffe0 R13: dffffc0000000000 R14: 1ffff1100f75fd63 R15: 0000000000000000 FS: 0000555584a8b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555584a8b4e8 CR3: 000000007826d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vb2_core_streamon+0x253/0x380 drivers/media/common/videobuf2/videobuf2-core.c:2108 __vb2_init_fileio+0x97e/0xc50 drivers/media/common/videobuf2/videobuf2-core.c:2678 __vb2_perform_fileio+0x346/0x1580 drivers/media/common/videobuf2/videobuf2-core.c:2754 vb2_fop_read+0x231/0x340 drivers/media/common/videobuf2/videobuf2-v4l2.c:1180 v4l2_read+0x193/0x2b0 drivers/media/v4l2-core/v4l2-dev.c:314 vfs_read+0x2ff/0xd50 fs/read_write.c:483 ksys_read+0x153/0x260 fs/read_write.c:623 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f338f161019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff749df388 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f338f3e8fa0 RCX: 00007f338f161019 RDX: 0000000000002020 RSI: 0000200000002c00 RDI: 0000000000000004 RBP: 00007f338f1f800c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f338f3e8fac R14: 00007f338f3e8fa0 R15: 00007f338f3e8fa0