Extracting prog: 2m2.66253382s Minimizing prog: 13m21.324292223s Simplifying prog options: 4m59.262896012s Extracting C: 49.341220311s Simplifying C: 12m54.527589634s extracting reproducer from 65 programs testing a last program of every proc single: executing 15 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$tun-ioctl$TUNSETIFF-socket$kcm-ioctl$SIOCSIFHWADDR-socket$nl_netfilter-bind$xdp-sendmsg$NFT_BATCH-write$tun detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r1 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) bind$xdp(0xffffffffffffffff, &(0x7f0000000100)={0x2c, 0x2}, 0x10) sendmsg$NFT_BATCH(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="140000001000040000000000000000000000000a20000000000a01020000000000000000010000000900010073797a300000000058000000160a01000000000000000000010000000900010073797a30000000000900020073797a30000000002c0003800800014000000000080002400000000010000380140001007465616d3000000000000000000000005c000000160a0101000b000000000000010000000900020073797a30000000000900010073797a3000000000300003802c00038014"], 0xfc}}, 0x0) write$tun(r0, &(0x7f0000000240)=ANY=[@ANYBLOB="000086dd0003110004000000a60c6e4c00be00442c2f7a6bd96aacc1e1b01f338ec76a95670d886ba7e0ef8b0934f2026e1abb2b6371cc"], 0xfdef) program did not crash 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=45.486754821s, {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$UI_SET_EVBIT-ioctl$UI_SET_SWBIT detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) program did not crash testing program (duration=45.486754821s, {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$UI_SET_EVBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_DEV_CREATE(r0, 0x5501) program did not crash testing program (duration=45.486754821s, {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_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program did not crash testing program (duration=45.486754821s, {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_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program did not crash testing program (duration=45.486754821s, {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}}): write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(0xffffffffffffffff, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(0xffffffffffffffff, 0x5501) program did not crash testing program (duration=45.486754821s, {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$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program did not crash testing program (duration=45.486754821s, {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$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, 0x0, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program did not crash extracting C reproducer testing compiled C program (duration=45.486754821s, {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$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in hci_dev_do_close a never seen crash title: possible deadlock in hci_dev_do_close, ignore simplifying guilty program options testing program (duration=45.486754821s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo extracting C reproducer testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE 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=45.486754821s, {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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo extracting C reproducer testing compiled C program (duration=45.486754821s, {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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo simplifying C reproducer testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program did not crash testing compiled C program (duration=45.486754821s, {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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE 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=45.486754821s, {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: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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {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:false 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program did not crash testing compiled C program (duration=45.486754821s, {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:false 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {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:false 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {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:false 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing compiled C program (duration=45.486754821s, {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:false 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$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE program crashed: possible deadlock in rfkill_epo testing program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo validation run: crashed=true testing program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo validation run: crashed=true testing program (duration=45.486754821s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uinput-write$uinput_user_dev-ioctl$UI_SET_EVBIT-ioctl$UI_SET_SWBIT-ioctl$UI_DEV_CREATE detailed listing: executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000540)={'syz1\x00', {0x0, 0x9}, 0x0, [0x80000000, 0x3, 0x3ff, 0x8, 0xfffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3, 0xffffffff, 0x4, 0x0, 0x100000, 0x0, 0x0, 0xf5b1, 0xffffffff, 0x10000000, 0x99, 0x20000000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffe, 0x0, 0x0, 0x1], [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f, 0xedc0, 0x0, 0x5ee, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff8, 0x0, 0xa0000800, 0x0, 0x2000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x8, 0x9, 0x200000, 0x0, 0x7fc, 0x2, 0x0, 0x2000079, 0x800400, 0x0, 0x0, 0x7, 0x40000, 0x0, 0xc0800000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x81, 0x0, 0x10000000, 0x0, 0xfffffffc, 0x2, 0x0, 0x4771], [0xc35, 0x7f, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100000, 0x0, 0x2, 0xfffffffc, 0x1, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x7, 0x0, 0x8, 0x0, 0x0, 0x200000, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0xfffffffc, 0x4, 0x0, 0x0, 0x0, 0x0, 0x7fff], [0x10000002, 0xfffffffc, 0x6, 0xffffffff, 0x0, 0x3, 0xfffffffe, 0x4, 0x0, 0x0, 0x0, 0x3, 0xfffffffc, 0x4, 0x80000800, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, 0x0, 0xaa, 0x0, 0x0, 0x10, 0x5, 0xfffffffd, 0x0, 0x0, 0x100000, 0x8001, 0x80, 0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x4, 0x0, 0x0, 0x0, 0xffffe]}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x5) ioctl$UI_SET_SWBIT(r0, 0x4004556d, 0x3) ioctl$UI_DEV_CREATE(r0, 0x5501) program crashed: possible deadlock in rfkill_epo validation run: crashed=true reproducing took 37m28.287775054s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ kworker/0:3/1109 is trying to acquire lock: ffff888027e70c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 kernel/workqueue.c:3090 but task is already holding lock: ffffffff8d6c4b48 (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+0x1e3/0x2400 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:3964 __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:2173 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x745/0xd60 fs/read_write.c:594 ksys_write+0x152/0x260 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+0x1e3/0x2400 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:4260 hci_sched_acl_pkt net/bluetooth/hci_core.c:4785 [inline] hci_sched_acl net/bluetooth/hci_core.c:4870 [inline] hci_tx_work+0x9f9/0x1710 net/bluetooth/hci_core.c:4936 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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+0x116/0x210 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:4044 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+0x626/0x20c0 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+0xe7/0x12c0 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+0xee/0x180 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+0x1e3/0x2400 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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+0x2c42/0x7d10 kernel/locking/lockdep.c:5012 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __flush_work+0x116/0x210 kernel/workqueue.c:3090 __cancel_work_timer+0x3f4/0x560 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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/0:3/1109: #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 kernel/workqueue.c:-1 #1: ffffc900048b7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 kernel/workqueue.c:2285 #2: ffffffff8d6c4b48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 stack backtrace: CPU: 0 PID: 1109 Comm: kworker/0:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events rfkill_op_handler Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 check_noncircular+0x296/0x330 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+0x2c42/0x7d10 kernel/locking/lockdep.c:5012 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __flush_work+0x116/0x210 kernel/workqueue.c:3090 __cancel_work_timer+0x3f4/0x560 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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 syzkaller #0 Not tainted ------------------------------------------------------ kworker/0:3/1109 is trying to acquire lock: ffff888027e70c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 kernel/workqueue.c:3090 but task is already holding lock: ffffffff8d6c4b48 (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+0x1e3/0x2400 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:3964 __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:2173 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x745/0xd60 fs/read_write.c:594 ksys_write+0x152/0x260 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+0x1e3/0x2400 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:4260 hci_sched_acl_pkt net/bluetooth/hci_core.c:4785 [inline] hci_sched_acl net/bluetooth/hci_core.c:4870 [inline] hci_tx_work+0x9f9/0x1710 net/bluetooth/hci_core.c:4936 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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+0x116/0x210 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:4044 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+0x626/0x20c0 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+0xe7/0x12c0 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+0xee/0x180 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+0x1e3/0x2400 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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+0x2c42/0x7d10 kernel/locking/lockdep.c:5012 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __flush_work+0x116/0x210 kernel/workqueue.c:3090 __cancel_work_timer+0x3f4/0x560 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 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/0:3/1109: #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 kernel/workqueue.c:-1 #1: ffffc900048b7d00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 kernel/workqueue.c:2285 #2: ffffffff8d6c4b48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 net/rfkill/core.c:450 stack backtrace: CPU: 0 PID: 1109 Comm: kworker/0:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events rfkill_op_handler Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 check_noncircular+0x296/0x330 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+0x2c42/0x7d10 kernel/locking/lockdep.c:5012 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __flush_work+0x116/0x210 kernel/workqueue.c:3090 __cancel_work_timer+0x3f4/0x560 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+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287