Extracting prog: 5m8.261474326s Minimizing prog: 1h0m30.744152834s Simplifying prog options: 12m13.979002471s Extracting C: 5m14.213446835s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind-socket$kcm-set_mempolicy-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) socket$kcm(0x11, 0x2, 0x0) set_mempolicy(0x4005, 0x0, 0x4) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind-socket$kcm-set_mempolicy-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) socket$kcm(0x11, 0x2, 0x0) set_mempolicy(0x4005, 0x0, 0x4) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind-socket$kcm-set_mempolicy-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) socket$kcm(0x11, 0x2, 0x0) set_mempolicy(0x4005, 0x0, 0x4) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind-socket$kcm-set_mempolicy detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) socket$kcm(0x11, 0x2, 0x0) set_mempolicy(0x4005, 0x0, 0x4) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind-socket$kcm detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) socket$kcm(0x11, 0x2, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x80000, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x89101a, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-listen-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-mount$bind-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(0xffffffffffffffff, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-mkdirat-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mbind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x8005, 0x0, 0x9, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) mount$bind(0x0, &(0x7f0000000480)='./file0/../file0\x00', 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000001180)={0x1f, 0x0, @any, 0x3}, 0xe) listen(r0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true reproducing took 1h45m23.044308516s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f] CPU: 0 UID: 0 PID: 5808 Comm: kworker/0:3 Not tainted 6.16.0-rc3-syzkaller-00233-g35e261cd95dd #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 90 31 41 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc90003aa77a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffff893ed828 RCX: 997754a149abf400 RDX: 0000000000000000 RSI: ffffffff893ed828 RDI: 000000000000004b RBP: ffffffff8a6b2145 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a6b2100 R12: 0000000000000000 R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f801bee56c0 CR3: 000000007b522000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:556 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5845 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1667 [inline] l2cap_sock_ready_cb+0x45/0x140 net/bluetooth/l2cap_sock.c:1674 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline] l2cap_conn_start+0x76d/0xe50 net/bluetooth/l2cap_core.c:1512 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1669 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 90 31 41 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc90003aa77a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffff893ed828 RCX: 997754a149abf400 RDX: 0000000000000000 RSI: ffffffff893ed828 RDI: 000000000000004b RBP: ffffffff8a6b2145 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a6b2100 R12: 0000000000000000 R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff0f7983d58 CR3: 0000000027886000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 7: 00 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 66 0f 1f 00 nopw (%rax) 1c: 48 c1 ef 03 shr $0x3,%rdi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2e: 3c 08 cmp $0x8,%al 30: 0f 92 c0 setb %al 33: e9 90 31 41 09 jmp 0x94131c8 38: cc int3 39: 66 data16 3a: 66 data16 3b: 66 data16 3c: 66 data16 3d: 66 data16 3e: 66 data16 3f: 2e cs final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f] CPU: 0 UID: 0 PID: 5808 Comm: kworker/0:3 Not tainted 6.16.0-rc3-syzkaller-00233-g35e261cd95dd #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 90 31 41 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc90003aa77a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffff893ed828 RCX: 997754a149abf400 RDX: 0000000000000000 RSI: ffffffff893ed828 RDI: 000000000000004b RBP: ffffffff8a6b2145 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a6b2100 R12: 0000000000000000 R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f801bee56c0 CR3: 000000007b522000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:556 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5845 lock_sock_nested+0x48/0x100 net/core/sock.c:3752 lock_sock include/net/sock.h:1667 [inline] l2cap_sock_ready_cb+0x45/0x140 net/bluetooth/l2cap_sock.c:1674 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline] l2cap_conn_start+0x76d/0xe50 net/bluetooth/l2cap_core.c:1512 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1669 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 90 31 41 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc90003aa77a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffff893ed828 RCX: 997754a149abf400 RDX: 0000000000000000 RSI: ffffffff893ed828 RDI: 000000000000004b RBP: ffffffff8a6b2145 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a6b2100 R12: 0000000000000000 R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff0f7983d58 CR3: 0000000027886000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 7: 00 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 66 0f 1f 00 nopw (%rax) 1c: 48 c1 ef 03 shr $0x3,%rdi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2e: 3c 08 cmp $0x8,%al 30: 0f 92 c0 setb %al 33: e9 90 31 41 09 jmp 0x94131c8 38: cc int3 39: 66 data16 3a: 66 data16 3b: 66 data16 3c: 66 data16 3d: 66 data16 3e: 66 data16 3f: 2e cs