Extracting prog: 2m10.644613692s Minimizing prog: 9m20.451185206s Simplifying prog options: 4m36.478678026s Extracting C: 22.029459216s Simplifying C: 12m16.838366827s 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo program crashed: possible deadlock in rfkill_epo single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=43.013442688s, {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_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) program did not crash testing program (duration=43.013442688s, {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_EVBIT-write$uinput_user_dev-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program did not crash testing program (duration=43.013442688s, {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_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program did not crash testing program (duration=43.013442688s, {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$uinput-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program did not crash testing program (duration=43.013442688s, {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$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0x5) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(0xffffffffffffffff, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x5501, 0x0) program did not crash testing program (duration=43.013442688s, {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_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program did not crash testing program (duration=43.013442688s, {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_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, 0x0, 0x0) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=43.013442688s, {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_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in hci_dev_do_close a never seen crash title: possible deadlock in hci_dev_do_close, ignore simplifying guilty program options testing program (duration=43.013442688s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo extracting C reproducer testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in hci_dev_do_close a never seen crash title: possible deadlock in hci_dev_do_close, ignore testing program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo extracting C reproducer testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo simplifying C reproducer testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program did not crash testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in hci_dev_do_close a never seen crash title: possible deadlock in hci_dev_do_close, ignore testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in hci_dev_do_close a never seen crash title: possible deadlock in hci_dev_do_close, ignore testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program did not crash testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true 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_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP program crashed: possible deadlock in rfkill_epo testing program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo validation run: crashed=true testing program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo validation run: crashed=true testing program (duration=43.013442688s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-ioctl$UI_SET_EVBIT-write$uinput_user_dev-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_SETUP detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) write$uinput_user_dev(r0, &(0x7f0000000d00)={'syz0\x00'}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) program crashed: possible deadlock in rfkill_epo validation run: crashed=true reproducing took 31m42.515582691s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 5.15.189-syzkaller #0 Not tainted ------------------------------------------------------ kworker/0:0/7 is trying to acquire lock: ffff8880225a0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 kernel/workqueue.c:3090 but task is already holding lock: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (rfkill_global_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 rfkill_register+0x33/0x8a0 net/rfkill/core.c:1045 hci_register_dev+0x452/0x970 net/bluetooth/hci_core.c:3960 __vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline] vhci_create_device+0x32c/0x5c0 drivers/bluetooth/hci_vhci.c:153 vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline] vhci_write+0x391/0x450 drivers/bluetooth/hci_vhci.c:290 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x712/0xd00 fs/read_write.c:594 ksys_write+0x14d/0x250 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #3 (&data->open_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 vhci_send_frame+0x88/0x100 drivers/bluetooth/hci_vhci.c:71 hci_send_frame+0x1a9/0x2e0 net/bluetooth/hci_core.c:4256 hci_sched_acl_pkt net/bluetooth/hci_core.c:4781 [inline] hci_sched_acl net/bluetooth/hci_core.c:4866 [inline] hci_tx_work+0x9f9/0x1710 net/bluetooth/hci_core.c:4932 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 hci_dev_do_close+0x1e7/0x1030 net/bluetooth/hci_core.c:1756 hci_unregister_dev+0x2d7/0x580 net/bluetooth/hci_core.c:4040 vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:345 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x61e/0x20a0 kernel/exit.c:883 do_group_exit+0x12e/0x300 kernel/exit.c:997 get_signal+0x6ca/0x12c0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&hdev->req_lock){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 hci_req_sync net/bluetooth/hci_request.c:278 [inline] bg_scan_update+0x44/0x3b0 net/bluetooth/hci_request.c:2952 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345 rfkill_epo+0x75/0x170 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x76/0x220 net/rfkill/input.c:108 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 other info that might help us debug this: Chain exists of: (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rfkill_global_mutex); lock(&data->open_mutex); lock(rfkill_global_mutex); lock((work_completion)(&hdev->bg_scan_update)); *** DEADLOCK *** 3 locks held by kworker/0:0/7: #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1 #1: ffffc90000cc7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285 #2: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 stack backtrace: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events rfkill_op_handler Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345 rfkill_epo+0x75/0x170 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x76/0x220 net/rfkill/input.c:108 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 5.15.189-syzkaller #0 Not tainted ------------------------------------------------------ kworker/0:0/7 is trying to acquire lock: ffff8880225a0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 kernel/workqueue.c:3090 but task is already holding lock: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (rfkill_global_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 rfkill_register+0x33/0x8a0 net/rfkill/core.c:1045 hci_register_dev+0x452/0x970 net/bluetooth/hci_core.c:3960 __vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline] vhci_create_device+0x32c/0x5c0 drivers/bluetooth/hci_vhci.c:153 vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline] vhci_write+0x391/0x450 drivers/bluetooth/hci_vhci.c:290 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x712/0xd00 fs/read_write.c:594 ksys_write+0x14d/0x250 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #3 (&data->open_mutex){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 vhci_send_frame+0x88/0x100 drivers/bluetooth/hci_vhci.c:71 hci_send_frame+0x1a9/0x2e0 net/bluetooth/hci_core.c:4256 hci_sched_acl_pkt net/bluetooth/hci_core.c:4781 [inline] hci_sched_acl net/bluetooth/hci_core.c:4866 [inline] hci_tx_work+0x9f9/0x1710 net/bluetooth/hci_core.c:4932 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 hci_dev_do_close+0x1e7/0x1030 net/bluetooth/hci_core.c:1756 hci_unregister_dev+0x2d7/0x580 net/bluetooth/hci_core.c:4040 vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:345 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x61e/0x20a0 kernel/exit.c:883 do_group_exit+0x12e/0x300 kernel/exit.c:997 get_signal+0x6ca/0x12c0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&hdev->req_lock){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 hci_req_sync net/bluetooth/hci_request.c:278 [inline] bg_scan_update+0x44/0x3b0 net/bluetooth/hci_request.c:2952 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345 rfkill_epo+0x75/0x170 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x76/0x220 net/rfkill/input.c:108 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 other info that might help us debug this: Chain exists of: (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rfkill_global_mutex); lock(&data->open_mutex); lock(rfkill_global_mutex); lock((work_completion)(&hdev->bg_scan_update)); *** DEADLOCK *** 3 locks held by kworker/0:0/7: #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1 #1: ffffc90000cc7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285 #2: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 stack backtrace: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events rfkill_op_handler Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345 rfkill_epo+0x75/0x170 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x76/0x220 net/rfkill/input.c:108 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287