Extracting prog: 2m8.958043354s Minimizing prog: 7m21.970782775s Simplifying prog options: 0s Extracting C: 2m4.31127213s Simplifying C: 20m43.915850374s extracting reproducer from 45 programs first checking the prog from the crash report 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) 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}}): bpf$PROG_LOAD_XDP-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) 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}}): syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, 0x0) program did not crash extracting C reproducer testing compiled C 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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program did not crash testing compiled C program (duration=30s, {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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space! a never seen crash title: WARNING: lock held when returning to user space!, ignore testing compiled C program (duration=30s, {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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space! a never seen crash title: WARNING: lock held when returning to user space!, ignore testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space! a never seen crash title: WARNING: lock held when returning to user space!, ignore testing compiled C program (duration=30s, {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: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}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space! a never seen crash title: WARNING: lock held when returning to user space!, ignore testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program did not crash testing compiled C program (duration=30s, {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:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {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:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space! a never seen crash title: WARNING: lock held when returning to user space!, ignore testing compiled C program (duration=30s, {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:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie testing program (duration=30s, {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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) program did not crash validation run: crashed=false testing program (duration=30s, {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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie validation run: crashed=true testing program (duration=30s, {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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie validation run: crashed=true testing program (duration=30s, {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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD_XDP-syz_init_net_socket$bt_l2cap-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x4, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x5, 0x0, 0x0, 0x7000000}, 0x94) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8b30, &(0x7f0000000040)={'wlan0\x00'}) program crashed: WARNING: lock held when returning to user space in cfg80211_wext_siwgenie validation run: crashed=true reproducing took 37m55.713335925s repro crashed as (corrupted=false): ================================================ WARNING: lock held when returning to user space! syzkaller #0 Not tainted ------------------------------------------------ syz.0.17/4435 is leaving the kernel with locks still held! 1 lock held by syz.0.17/4435: #0: ffff888027d68d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline] #0: ffff888027d68d40 (&wdev->mtx){+.+.}-{3:3}, at: cfg80211_wext_siwgenie+0xd4/0x3f0 net/wireless/wext-sme.c:340 final repro crashed as (corrupted=false): ================================================ WARNING: lock held when returning to user space! syzkaller #0 Not tainted ------------------------------------------------ syz.0.17/4435 is leaving the kernel with locks still held! 1 lock held by syz.0.17/4435: #0: ffff888027d68d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline] #0: ffff888027d68d40 (&wdev->mtx){+.+.}-{3:3}, at: cfg80211_wext_siwgenie+0xd4/0x3f0 net/wireless/wext-sme.c:340