Extracting prog: 1m55.210800177s Minimizing prog: 1h25m51.155364803s Simplifying prog options: 11m5.080077242s Extracting C: 19.881467516s 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:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 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:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program crashed: general protection fault in bnep_session single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) ioctl$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, 0x0, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, 0x0, 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(0x0, &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', 0x0, 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(0x0, &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', 0x0, 0x0, 0x2187017, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$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:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program crashed: general protection fault in bnep_session extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000280)='./file0\x00', &(0x7f0000002100)='./file0/file0\x00', 0x0, 0x2187017, 0x0) program crashed: general protection fault in bnep_session extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$bind-mount$bind program did not crash reproducing took 1h43m57.673140085s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] CPU: 0 UID: 0 PID: 6160 Comm: kbnepd bnep0 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:klist_put+0x4d/0x1b0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 5f 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c ce 0c RSP: 0018:ffffc900047e79c0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888033468860 RCX: ffffffff8239c3fd RDX: 000000000000000b RSI: ffffffff8b1f72c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000b92 R12: 0000000000000000 R13: 0000000000000001 R14: ffff88802426bb80 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffabd6b5108 CR3: 000000003551a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x1d9/0x9f0 drivers/base/core.c:3831 unregister_netdevice_many_notify+0x105d/0x1e60 net/core/dev.c:11562 unregister_netdevice_many net/core/dev.c:11590 [inline] unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11462 unregister_netdevice include/linux/netdevice.h:3192 [inline] unregister_netdev+0x1c/0x30 net/core/dev.c:11608 bnep_session+0x21b6/0x2ca0 net/bluetooth/bnep/core.c:525 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:klist_put+0x4d/0x1b0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 5f 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c ce 0c RSP: 0018:ffffc900047e79c0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888033468860 RCX: ffffffff8239c3fd RDX: 000000000000000b RSI: ffffffff8b1f72c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000b92 R12: 0000000000000000 R13: 0000000000000001 R14: ffff88802426bb80 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5193ea718 CR3: 0000000024a3c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 5f 01 00 00 jne 0x16c d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 14: fc ff df 17: 4c 8b 23 mov (%rbx),%r12 1a: 49 83 e4 fe and $0xfffffffffffffffe,%r12 1e: 49 8d 7c 24 58 lea 0x58(%r12),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 2e 01 00 00 jne 0x162 34: 4c 89 e7 mov %r12,%rdi 37: 4d 8b 74 24 58 mov 0x58(%r12),%r14 3c: e8 .byte 0xe8 3d: 7c ce jl 0xd 3f: 0c .byte 0xc final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] CPU: 0 UID: 0 PID: 6160 Comm: kbnepd bnep0 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:klist_put+0x4d/0x1b0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 5f 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c ce 0c RSP: 0018:ffffc900047e79c0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888033468860 RCX: ffffffff8239c3fd RDX: 000000000000000b RSI: ffffffff8b1f72c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000b92 R12: 0000000000000000 R13: 0000000000000001 R14: ffff88802426bb80 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffabd6b5108 CR3: 000000003551a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x1d9/0x9f0 drivers/base/core.c:3831 unregister_netdevice_many_notify+0x105d/0x1e60 net/core/dev.c:11562 unregister_netdevice_many net/core/dev.c:11590 [inline] unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11462 unregister_netdevice include/linux/netdevice.h:3192 [inline] unregister_netdev+0x1c/0x30 net/core/dev.c:11608 bnep_session+0x21b6/0x2ca0 net/bluetooth/bnep/core.c:525 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:klist_put+0x4d/0x1b0 lib/klist.c:212 Code: c1 ea 03 80 3c 02 00 0f 85 5f 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c ce 0c RSP: 0018:ffffc900047e79c0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888033468860 RCX: ffffffff8239c3fd RDX: 000000000000000b RSI: ffffffff8b1f72c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000b92 R12: 0000000000000000 R13: 0000000000000001 R14: ffff88802426bb80 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5193ea718 CR3: 0000000024a3c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 5f 01 00 00 jne 0x16c d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 14: fc ff df 17: 4c 8b 23 mov (%rbx),%r12 1a: 49 83 e4 fe and $0xfffffffffffffffe,%r12 1e: 49 8d 7c 24 58 lea 0x58(%r12),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 2e 01 00 00 jne 0x162 34: 4c 89 e7 mov %r12,%rdi 37: 4d 8b 74 24 58 mov 0x58(%r12),%r14 3c: e8 .byte 0xe8 3d: 7c ce jl 0xd 3f: 0c .byte 0xc