Extracting prog: 3m7.271816846s Minimizing prog: 43m14.412611842s Simplifying prog options: 0s Extracting C: 45.797597398s Simplifying C: 23m29.843040049s 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) 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: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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program crashed: possible deadlock in __kernfs_remove single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(0xffffffffffffffff, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(0xffffffffffffffff, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(0xffffffffffffffff, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(0xffffffffffffffff, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r0, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, 0x0, 0x0) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', 0x0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, 0x0, 0x0) program did not crash testing program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove simplifying C reproducer testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program did not crash testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program did not crash testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program did not crash testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing compiled C program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write program crashed: possible deadlock in __kernfs_remove testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash validation run: crashed=false testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash validation run: crashed=false testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program crashed: possible deadlock in __kernfs_remove validation run: crashed=true testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program did not crash validation run: crashed=false testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program crashed: possible deadlock in __kernfs_remove validation run: crashed=true testing program (duration=1m35.834060086s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$userio-write$USERIO_CMD_SET_PORT_TYPE-write$USERIO_CMD_REGISTER-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-write$USERIO_CMD_SEND_INTERRUPT-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(r0, &(0x7f0000000040)={0x1, 0x1}, 0x2) write$USERIO_CMD_REGISTER(r0, &(0x7f0000000080), 0x2) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) write$USERIO_CMD_SEND_INTERRUPT(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/serio/devices/serio2/drvctl\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='psmouse\x00', 0x8) program crashed: possible deadlock in __kernfs_remove validation run: crashed=true reproducing took 1h21m52.789285476s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/6030 is trying to acquire lock: ffff88807cc0d3c8 (kn->active#59){++++}-{0:0}, at: __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 but task is already holding lock: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x2f/0x150 drivers/input/serio/serio.c:677 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (serio_mutex){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x197/0x15a0 kernel/locking/mutex.c:821 class_mutex_intr_constructor include/linux/mutex.h:255 [inline] drvctl_store+0x35/0x11e0 drivers/input/serio/serio.c:360 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:1036 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (kn->active#59){++++}-{0:0}: check_prev_add kernel/locking/lockdep.c:3209 [inline] check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x164c/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 kernfs_drain+0x293/0x640 fs/kernfs/dir.c:534 __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 kernfs_remove_by_name_ns+0xc0/0x140 fs/kernfs/dir.c:1796 kernfs_remove_by_name include/linux/kernfs.h:644 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x101/0x2e0 fs/sysfs/group.c:328 sysfs_remove_groups+0x54/0xb0 fs/sysfs/group.c:352 device_remove_groups drivers/base/core.c:2920 [inline] device_remove_attrs+0x1cb/0x280 drivers/base/core.c:3050 device_del+0x51c/0x8f0 drivers/base/core.c:3966 serio_destroy_port+0x57a/0x840 drivers/input/serio/serio.c:543 serio_unregister_port+0x130/0x150 drivers/input/serio/serio.c:680 userio_char_release+0x80/0xc0 drivers/input/serio/userio.c:105 __fput+0x408/0xa40 fs/file_table.c:513 fput_close_sync+0x11f/0x240 fs/file_table.c:619 filp_close_sync+0x6e/0xa0 fs/open.c:1897 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(serio_mutex); lock(kn->active#59); lock(serio_mutex); lock(kn->active#59); *** DEADLOCK *** locks held by syz.0.17/6030: 1, last CPU#0: #0: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] #0: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x2f/0x150 drivers/input/serio/serio.c:677 stack backtrace: CPU: 0 UID: 0 PID: 6030 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2087 check_noncircular+0x12f/0x150 kernel/locking/lockdep.c:2219 check_prev_add kernel/locking/lockdep.c:3209 [inline] check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x164c/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 kernfs_drain+0x293/0x640 fs/kernfs/dir.c:534 __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 kernfs_remove_by_name_ns+0xc0/0x140 fs/kernfs/dir.c:1796 kernfs_remove_by_name include/linux/kernfs.h:644 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x101/0x2e0 fs/sysfs/group.c:328 sysfs_remove_groups+0x54/0xb0 fs/sysfs/group.c:352 device_remove_groups drivers/base/core.c:2920 [inline] device_remove_attrs+0x1cb/0x280 drivers/base/core.c:3050 device_del+0x51c/0x8f0 drivers/base/core.c:3966 serio_destroy_port+0x57a/0x840 drivers/input/serio/serio.c:543 serio_unregister_port+0x130/0x150 drivers/input/serio/serio.c:680 userio_char_release+0x80/0xc0 drivers/input/serio/userio.c:105 __fput+0x408/0xa40 fs/file_table.c:513 fput_close_sync+0x11f/0x240 fs/file_table.c:619 filp_close_sync+0x6e/0xa0 fs/open.c:1897 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd928f9f559 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:00007ffc9ca01018 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007ffc9ca01100 RCX: 00007fd928f9f559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000020415 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b2ef20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd929225fac R14: 00007fd929225fa8 R15: 00007fd929225fa0 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/6030 is trying to acquire lock: ffff88807cc0d3c8 (kn->active#59){++++}-{0:0}, at: __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 but task is already holding lock: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x2f/0x150 drivers/input/serio/serio.c:677 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (serio_mutex){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x197/0x15a0 kernel/locking/mutex.c:821 class_mutex_intr_constructor include/linux/mutex.h:255 [inline] drvctl_store+0x35/0x11e0 drivers/input/serio/serio.c:360 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:1036 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (kn->active#59){++++}-{0:0}: check_prev_add kernel/locking/lockdep.c:3209 [inline] check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x164c/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 kernfs_drain+0x293/0x640 fs/kernfs/dir.c:534 __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 kernfs_remove_by_name_ns+0xc0/0x140 fs/kernfs/dir.c:1796 kernfs_remove_by_name include/linux/kernfs.h:644 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x101/0x2e0 fs/sysfs/group.c:328 sysfs_remove_groups+0x54/0xb0 fs/sysfs/group.c:352 device_remove_groups drivers/base/core.c:2920 [inline] device_remove_attrs+0x1cb/0x280 drivers/base/core.c:3050 device_del+0x51c/0x8f0 drivers/base/core.c:3966 serio_destroy_port+0x57a/0x840 drivers/input/serio/serio.c:543 serio_unregister_port+0x130/0x150 drivers/input/serio/serio.c:680 userio_char_release+0x80/0xc0 drivers/input/serio/userio.c:105 __fput+0x408/0xa40 fs/file_table.c:513 fput_close_sync+0x11f/0x240 fs/file_table.c:619 filp_close_sync+0x6e/0xa0 fs/open.c:1897 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(serio_mutex); lock(kn->active#59); lock(serio_mutex); lock(kn->active#59); *** DEADLOCK *** locks held by syz.0.17/6030: 1, last CPU#0: #0: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] #0: ffffffff910fade0 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x2f/0x150 drivers/input/serio/serio.c:677 stack backtrace: CPU: 0 UID: 0 PID: 6030 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2087 check_noncircular+0x12f/0x150 kernel/locking/lockdep.c:2219 check_prev_add kernel/locking/lockdep.c:3209 [inline] check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x164c/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 kernfs_drain+0x293/0x640 fs/kernfs/dir.c:534 __kernfs_remove+0x493/0x910 fs/kernfs/dir.c:1578 kernfs_remove_by_name_ns+0xc0/0x140 fs/kernfs/dir.c:1796 kernfs_remove_by_name include/linux/kernfs.h:644 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x101/0x2e0 fs/sysfs/group.c:328 sysfs_remove_groups+0x54/0xb0 fs/sysfs/group.c:352 device_remove_groups drivers/base/core.c:2920 [inline] device_remove_attrs+0x1cb/0x280 drivers/base/core.c:3050 device_del+0x51c/0x8f0 drivers/base/core.c:3966 serio_destroy_port+0x57a/0x840 drivers/input/serio/serio.c:543 serio_unregister_port+0x130/0x150 drivers/input/serio/serio.c:680 userio_char_release+0x80/0xc0 drivers/input/serio/userio.c:105 __fput+0x408/0xa40 fs/file_table.c:513 fput_close_sync+0x11f/0x240 fs/file_table.c:619 filp_close_sync+0x6e/0xa0 fs/open.c:1897 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd928f9f559 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:00007ffc9ca01018 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007ffc9ca01100 RCX: 00007fd928f9f559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000020415 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b2ef20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd929225fac R14: 00007fd929225fa8 R15: 00007fd929225fa0