Extracting prog: 2m42.911664755s Minimizing prog: 11m36.131703956s Simplifying prog options: 0s Extracting C: 37.707205445s Simplifying C: 18m57.76084234s 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: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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program crashed: possible deadlock in uinput_request_submit single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(0xffffffffffffffff, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(0xffffffffffffffff, 0x5501) r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, 0x0) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(0x0, 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program did not crash testing program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit simplifying C reproducer testing compiled C program (duration=46.71092703s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program did not crash testing compiled C program (duration=46.71092703s, {Threaded:true 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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program did not crash testing compiled C program (duration=46.71092703s, {Threaded:true 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program did not crash testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in evdev_cleanup a never seen crash title: possible deadlock in evdev_cleanup, ignore testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program did not crash testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing compiled C program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF program crashed: possible deadlock in uinput_request_submit testing program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program crashed: possible deadlock in uinput_request_submit validation run: crashed=true testing program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program crashed: BUG: unable to handle kernel paging request in uinput_destroy_device validation run: crashed=true testing program (duration=46.71092703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_FFBIT-ioctl$UI_DEV_CREATE-syz_open_dev$evdev-ioctl$EVIOCSFF detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x45}) ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51) ioctl$UI_DEV_CREATE(r0, 0x5501) r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000180)={0x50, 0xffff, 0x2, {0x0, 0x40}, {0x1, 0x7}, @ramp}) program crashed: possible deadlock in uinput_request_submit validation run: crashed=true reproducing took 37m28.998699065s repro crashed as (corrupted=false): input: syz0 as /devices/virtual/input/input6 ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.22/4515 is trying to acquire lock: ffff0000d8643870 (&newdev->mutex){+.+.}-{3:3}, at: uinput_request_send drivers/input/misc/uinput.c:150 [inline] ffff0000d8643870 (&newdev->mutex){+.+.}-{3:3}, at: uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 but task is already holding lock: ffff0000d52d10b0 (&ff->mutex){+.+.}-{3:3}, at: input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ff->mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #2 (&evdev->mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 evdev_mark_dead drivers/input/evdev.c:1314 [inline] evdev_cleanup+0x30/0x15c drivers/input/evdev.c:1323 evdev_disconnect+0x50/0xb4 drivers/input/evdev.c:1407 __input_unregister_device+0x2f0/0x558 drivers/input/input.c:2296 input_unregister_device+0xa8/0xf4 drivers/input/input.c:2514 uinput_destroy_device+0x598/0x774 drivers/input/misc/uinput.c:298 uinput_release+0x44/0x60 drivers/input/misc/uinput.c:724 __fput+0x1bc/0x7b8 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x278 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1fa0/0x2aa4 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #1 (input_mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 input_register_device+0x8fc/0xf84 drivers/input/input.c:2463 uinput_create_device+0x350/0x518 drivers/input/misc/uinput.c:364 uinput_ioctl_handler+0x87c/0x12ec drivers/input/misc/uinput.c:885 uinput_ioctl+0x38/0x4c drivers/input/misc/uinput.c:1056 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 (&newdev->mutex){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x2880/0x6800 kernel/locking/lockdep.c:5049 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 uinput_request_send drivers/input/misc/uinput.c:150 [inline] uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 uinput_dev_upload_effect+0x14c/0x1f8 drivers/input/misc/uinput.c:256 input_ff_upload+0x46c/0x794 drivers/input/ff-core.c:152 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: &newdev->mutex --> &evdev->mutex --> &ff->mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ff->mutex); lock(&evdev->mutex); lock(&ff->mutex); lock(&newdev->mutex); *** DEADLOCK *** 2 locks held by syz.1.22/4515: #0: ffff0000d6baa110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_ioctl_handler+0x144/0x2958 drivers/input/evdev.c:1263 #1: ffff0000d52d10b0 (&ff->mutex){+.+.}-{3:3}, at: input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 stack backtrace: CPU: 1 PID: 4515 Comm: syz.1.22 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Call trace: dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x148/0x1b0 kernel/locking/lockdep.c:2048 check_noncircular+0x264/0x2f8 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x2880/0x6800 kernel/locking/lockdep.c:5049 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 uinput_request_send drivers/input/misc/uinput.c:150 [inline] uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 uinput_dev_upload_effect+0x14c/0x1f8 drivers/input/misc/uinput.c:256 input_ff_upload+0x46c/0x794 drivers/input/ff-core.c:152 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 final repro crashed as (corrupted=false): input: syz0 as /devices/virtual/input/input6 ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.22/4515 is trying to acquire lock: ffff0000d8643870 (&newdev->mutex){+.+.}-{3:3}, at: uinput_request_send drivers/input/misc/uinput.c:150 [inline] ffff0000d8643870 (&newdev->mutex){+.+.}-{3:3}, at: uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 but task is already holding lock: ffff0000d52d10b0 (&ff->mutex){+.+.}-{3:3}, at: input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ff->mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #2 (&evdev->mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 evdev_mark_dead drivers/input/evdev.c:1314 [inline] evdev_cleanup+0x30/0x15c drivers/input/evdev.c:1323 evdev_disconnect+0x50/0xb4 drivers/input/evdev.c:1407 __input_unregister_device+0x2f0/0x558 drivers/input/input.c:2296 input_unregister_device+0xa8/0xf4 drivers/input/input.c:2514 uinput_destroy_device+0x598/0x774 drivers/input/misc/uinput.c:298 uinput_release+0x44/0x60 drivers/input/misc/uinput.c:724 __fput+0x1bc/0x7b8 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x278 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1fa0/0x2aa4 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #1 (input_mutex){+.+.}-{3:3}: __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 input_register_device+0x8fc/0xf84 drivers/input/input.c:2463 uinput_create_device+0x350/0x518 drivers/input/misc/uinput.c:364 uinput_ioctl_handler+0x87c/0x12ec drivers/input/misc/uinput.c:885 uinput_ioctl+0x38/0x4c drivers/input/misc/uinput.c:1056 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 (&newdev->mutex){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x2880/0x6800 kernel/locking/lockdep.c:5049 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 uinput_request_send drivers/input/misc/uinput.c:150 [inline] uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 uinput_dev_upload_effect+0x14c/0x1f8 drivers/input/misc/uinput.c:256 input_ff_upload+0x46c/0x794 drivers/input/ff-core.c:152 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: &newdev->mutex --> &evdev->mutex --> &ff->mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ff->mutex); lock(&evdev->mutex); lock(&ff->mutex); lock(&newdev->mutex); *** DEADLOCK *** 2 locks held by syz.1.22/4515: #0: ffff0000d6baa110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_ioctl_handler+0x144/0x2958 drivers/input/evdev.c:1263 #1: ffff0000d52d10b0 (&ff->mutex){+.+.}-{3:3}, at: input_ff_upload+0x2ec/0x794 drivers/input/ff-core.c:122 stack backtrace: CPU: 1 PID: 4515 Comm: syz.1.22 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Call trace: dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x148/0x1b0 kernel/locking/lockdep.c:2048 check_noncircular+0x264/0x2f8 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x2880/0x6800 kernel/locking/lockdep.c:5049 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x1f60 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_interruptible_nested+0x38/0x44 kernel/locking/mutex.c:821 uinput_request_send drivers/input/misc/uinput.c:150 [inline] uinput_request_submit+0x19c/0x638 drivers/input/misc/uinput.c:181 uinput_dev_upload_effect+0x14c/0x1f8 drivers/input/misc/uinput.c:256 input_ff_upload+0x46c/0x794 drivers/input/ff-core.c:152 evdev_do_ioctl drivers/input/evdev.c:1183 [inline] evdev_ioctl_handler+0x1e30/0x2958 drivers/input/evdev.c:1272 evdev_ioctl+0x38/0x4c drivers/input/evdev.c:1281 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585