Extracting prog: 5m4.889966467s
Minimizing prog: 1h1m18.042313723s
Simplifying prog options: 2m53.537786424s
Extracting C: 34.806478208s
Simplifying C: 10m12.658239446s


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 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: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 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program crashed: possible deadlock in uinput_request_submit
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {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 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, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
ioctl$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=6m0s, {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 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, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51)
ioctl$UI_DEV_CREATE(r0, 0x5501)
ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x51)
r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0)
ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
ioctl$UI_DEV_CREATE(r0, 0x5501)
r1 = syz_open_dev$evdev(&(0x7f00000000c0), 0x40, 0x0)
ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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, &(0x7f0000000000), 0x2, 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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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$uinput(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program did not crash
testing program (duration=6m0s, {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 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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=6m0s, {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 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 input_ff_flush
a never seen crash title: possible deadlock in input_ff_flush, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000280)={{}, 'syz0\x00', 0x52})
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, &(0x7f0000000300)={0x50, 0xffff, 0x0, {0x0, 0x68bd}, {}, @cond=[{0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]})

program crashed: possible deadlock in uinput_request_submit
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0s, {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 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=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false 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=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false 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=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false 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=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false 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=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false 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
reproducing took 1h20m4.323742366s
repro crashed as (corrupted=false):
input: syz0 as /devices/virtual/input/input5
======================================================
WARNING: possible circular locking dependency detected
6.15.0-next-20250605-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor102/5831 is trying to acquire lock:
ffff88807c8ae870 (&newdev->mutex){+.+.}-{4:4}, at: uinput_request_send drivers/input/misc/uinput.c:151 [inline]
ffff88807c8ae870 (&newdev->mutex){+.+.}-{4:4}, at: uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182

but task is already holding lock:
ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:225 [inline]
ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: input_ff_upload+0x398/0xae0 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){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_constructor include/linux/mutex.h:225 [inline]
       input_ff_flush+0x5e/0x140 drivers/input/ff-core.c:231
       input_flush_device+0xa6/0xd0 drivers/input/input.c:627
       evdev_release+0xe1/0x800 drivers/input/evdev.c:435
       __fput+0x449/0xa70 fs/file_table.c:467
       fput_close_sync+0x119/0x200 fs/file_table.c:572
       __do_sys_close fs/open.c:1589 [inline]
       __se_sys_close fs/open.c:1574 [inline]
       __x64_sys_close+0x7f/0x110 fs/open.c:1574
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&dev->mutex#2){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
       input_register_handle+0x18f/0x4c0 drivers/input/input.c:2653
       kbd_connect+0xc3/0x140 drivers/tty/vt/keyboard.c:1580
       input_attach_handler drivers/input/input.c:993 [inline]
       input_register_device+0xceb/0x10b0 drivers/input/input.c:2412
       acpi_button_add+0x6b1/0xb50 drivers/acpi/button.c:621
       acpi_device_probe+0xa5/0x2d0 drivers/acpi/bus.c:1076
       call_driver_probe drivers/base/dd.c:-1 [inline]
       really_probe+0x26a/0x9a0 drivers/base/dd.c:657
       __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
       driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
       __driver_attach+0x452/0x700 drivers/base/dd.c:1215
       bus_for_each_dev+0x230/0x2b0 drivers/base/bus.c:370
       bus_add_driver+0x345/0x640 drivers/base/bus.c:678
       driver_register+0x23a/0x320 drivers/base/driver.c:249
       do_one_initcall+0x233/0x820 init/main.c:1273
       do_initcall_level+0x137/0x1f0 init/main.c:1335
       do_initcalls+0x69/0xd0 init/main.c:1351
       kernel_init_freeable+0x3d9/0x570 init/main.c:1583
       kernel_init+0x1d/0x1d0 init/main.c:1473
       ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

-> #1 (input_mutex){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
       input_register_device+0xa74/0x10b0 drivers/input/input.c:2408
       uinput_create_device+0x422/0x670 drivers/input/misc/uinput.c:365
       uinput_ioctl_handler+0x3f0/0x1570 drivers/input/misc/uinput.c:918
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:907 [inline]
       __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (&newdev->mutex){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3168 [inline]
       check_prevs_add kernel/locking/lockdep.c:3287 [inline]
       validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
       __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       uinput_request_send drivers/input/misc/uinput.c:151 [inline]
       uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182
       uinput_dev_upload_effect+0x150/0x1e0 drivers/input/misc/uinput.c:257
       input_ff_upload+0x5fc/0xae0 drivers/input/ff-core.c:148
       evdev_do_ioctl drivers/input/evdev.c:1181 [inline]
       evdev_ioctl_handler+0x1644/0x1f10 drivers/input/evdev.c:1270
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:907 [inline]
       __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  &newdev->mutex --> &dev->mutex#2 --> &ff->mutex

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ff->mutex);
                               lock(&dev->mutex#2);
                               lock(&ff->mutex);
  lock(&newdev->mutex);

 *** DEADLOCK ***

2 locks held by syz-executor102/5831:
 #0: ffff8881442ec118 (&evdev->mutex){+.+.}-{4:4}, at: evdev_ioctl_handler+0x121/0x1f10 drivers/input/evdev.c:1261
 #1: ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:225 [inline]
 #1: ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: input_ff_upload+0x398/0xae0 drivers/input/ff-core.c:122

stack backtrace:
CPU: 0 UID: 0 PID: 5831 Comm: syz-executor102 Not tainted 6.15.0-next-20250605-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
 check_prev_add kernel/locking/lockdep.c:3168 [inline]
 check_prevs_add kernel/locking/lockdep.c:3287 [inline]
 validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
 __mutex_lock_common kernel/locking/mutex.c:602 [inline]
 __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
 uinput_request_send drivers/input/misc/uinput.c:151 [inline]
 uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182
 uinput_dev_upload_effect+0x150/0x1e0 drivers/input/misc/uinput.c:257
 input_ff_upload+0x5fc/0xae0 drivers/input/ff-core.c:148
 evdev_do_ioctl drivers/input/evdev.c:1181 [inline]
 evdev_ioctl_handler+0x1644/0x1f10 drivers/input/evdev.c:1270
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6155bdc9b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd8df39ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6155bdc9b9
RDX: 0000200000000300 RSI: 0000000040304580 RDI: 0000000000000004
RBP: 00007f6155c4f5f0 R08: 0000000000000006 R09: 0000000000000006
R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

final repro crashed as (corrupted=false):
input: syz0 as /devices/virtual/input/input5
======================================================
WARNING: possible circular locking dependency detected
6.15.0-next-20250605-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor102/5831 is trying to acquire lock:
ffff88807c8ae870 (&newdev->mutex){+.+.}-{4:4}, at: uinput_request_send drivers/input/misc/uinput.c:151 [inline]
ffff88807c8ae870 (&newdev->mutex){+.+.}-{4:4}, at: uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182

but task is already holding lock:
ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:225 [inline]
ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: input_ff_upload+0x398/0xae0 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){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_constructor include/linux/mutex.h:225 [inline]
       input_ff_flush+0x5e/0x140 drivers/input/ff-core.c:231
       input_flush_device+0xa6/0xd0 drivers/input/input.c:627
       evdev_release+0xe1/0x800 drivers/input/evdev.c:435
       __fput+0x449/0xa70 fs/file_table.c:467
       fput_close_sync+0x119/0x200 fs/file_table.c:572
       __do_sys_close fs/open.c:1589 [inline]
       __se_sys_close fs/open.c:1574 [inline]
       __x64_sys_close+0x7f/0x110 fs/open.c:1574
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&dev->mutex#2){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
       input_register_handle+0x18f/0x4c0 drivers/input/input.c:2653
       kbd_connect+0xc3/0x140 drivers/tty/vt/keyboard.c:1580
       input_attach_handler drivers/input/input.c:993 [inline]
       input_register_device+0xceb/0x10b0 drivers/input/input.c:2412
       acpi_button_add+0x6b1/0xb50 drivers/acpi/button.c:621
       acpi_device_probe+0xa5/0x2d0 drivers/acpi/bus.c:1076
       call_driver_probe drivers/base/dd.c:-1 [inline]
       really_probe+0x26a/0x9a0 drivers/base/dd.c:657
       __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
       driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
       __driver_attach+0x452/0x700 drivers/base/dd.c:1215
       bus_for_each_dev+0x230/0x2b0 drivers/base/bus.c:370
       bus_add_driver+0x345/0x640 drivers/base/bus.c:678
       driver_register+0x23a/0x320 drivers/base/driver.c:249
       do_one_initcall+0x233/0x820 init/main.c:1273
       do_initcall_level+0x137/0x1f0 init/main.c:1335
       do_initcalls+0x69/0xd0 init/main.c:1351
       kernel_init_freeable+0x3d9/0x570 init/main.c:1583
       kernel_init+0x1d/0x1d0 init/main.c:1473
       ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

-> #1 (input_mutex){+.+.}-{4:4}:
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
       input_register_device+0xa74/0x10b0 drivers/input/input.c:2408
       uinput_create_device+0x422/0x670 drivers/input/misc/uinput.c:365
       uinput_ioctl_handler+0x3f0/0x1570 drivers/input/misc/uinput.c:918
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:907 [inline]
       __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (&newdev->mutex){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3168 [inline]
       check_prevs_add kernel/locking/lockdep.c:3287 [inline]
       validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
       __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
       lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
       __mutex_lock_common kernel/locking/mutex.c:602 [inline]
       __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
       uinput_request_send drivers/input/misc/uinput.c:151 [inline]
       uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182
       uinput_dev_upload_effect+0x150/0x1e0 drivers/input/misc/uinput.c:257
       input_ff_upload+0x5fc/0xae0 drivers/input/ff-core.c:148
       evdev_do_ioctl drivers/input/evdev.c:1181 [inline]
       evdev_ioctl_handler+0x1644/0x1f10 drivers/input/evdev.c:1270
       vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:907 [inline]
       __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  &newdev->mutex --> &dev->mutex#2 --> &ff->mutex

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ff->mutex);
                               lock(&dev->mutex#2);
                               lock(&ff->mutex);
  lock(&newdev->mutex);

 *** DEADLOCK ***

2 locks held by syz-executor102/5831:
 #0: ffff8881442ec118 (&evdev->mutex){+.+.}-{4:4}, at: evdev_ioctl_handler+0x121/0x1f10 drivers/input/evdev.c:1261
 #1: ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:225 [inline]
 #1: ffff88807c8af0b0 (&ff->mutex){+.+.}-{4:4}, at: input_ff_upload+0x398/0xae0 drivers/input/ff-core.c:122

stack backtrace:
CPU: 0 UID: 0 PID: 5831 Comm: syz-executor102 Not tainted 6.15.0-next-20250605-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
 check_prev_add kernel/locking/lockdep.c:3168 [inline]
 check_prevs_add kernel/locking/lockdep.c:3287 [inline]
 validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
 __mutex_lock_common kernel/locking/mutex.c:602 [inline]
 __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
 uinput_request_send drivers/input/misc/uinput.c:151 [inline]
 uinput_request_submit+0x188/0x6f0 drivers/input/misc/uinput.c:182
 uinput_dev_upload_effect+0x150/0x1e0 drivers/input/misc/uinput.c:257
 input_ff_upload+0x5fc/0xae0 drivers/input/ff-core.c:148
 evdev_do_ioctl drivers/input/evdev.c:1181 [inline]
 evdev_ioctl_handler+0x1644/0x1f10 drivers/input/evdev.c:1270
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6155bdc9b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd8df39ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6155bdc9b9
RDX: 0000200000000300 RSI: 0000000040304580 RDI: 0000000000000004
RBP: 00007f6155c4f5f0 R08: 0000000000000006 R09: 0000000000000006
R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>