Extracting prog: 3m29.879880552s Minimizing prog: 1h49m24.074608095s Simplifying prog options: 10m34.295748264s Extracting C: 5m5.181406857s 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 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: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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in device_move single: successfully extracted reproducer found reproducer with 9 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$fuse-mount-chdir detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') 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$fuse-mount-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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-chdir-syz_clone 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, &(0x7f0000000100)='./file1\x00', 0x0) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$bt_l2cap-mkdirat-mount$fuse-mount-chdir-syz_clone 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$bt_l2cap(0x1f, 0x3, 0x4) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone 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$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone 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$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone 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$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r0, 0x0, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, 0x0, 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, 0x0, &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', 0x0, 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, 0x0) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone detailed listing: executing program 0: r0 = syz_init_net_socket$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$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x400442c8, &(0x7f0000000000)={0x4, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 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$fuse-mount-chdir-syz_clone program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone 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, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in bnep_session a never seen crash title: general protection fault in bnep_session, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone 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, &(0x7f0000000100)='./file1\x00', 0x0) mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000100)='autofs\x00', 0x0, &(0x7f0000000400)) chdir(&(0x7f00000000c0)='./file1\x00') syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: general protection fault in device_move extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-connect$bt_l2cap-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_bnep_BNEPGETCONNLIST-mkdirat-mount$fuse-mount-chdir-syz_clone program crashed: no output from test machine a never seen crash title: no output from test machine, ignore reproducing took 2h8m34.77689712s 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: 6777 Comm: syz.7.38 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #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:ffffc9000448f6d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880302eb060 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8b1f62c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2085610 R10: ffffffff9042b083 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000001 R14: 1ffff92000891ee2 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557dd40787d8 CR3: 000000003095e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: klist_del lib/klist.c:230 [inline] klist_remove+0x140/0x2b0 lib/klist.c:249 device_move+0x12d/0x10b0 drivers/base/core.c:4636 hci_conn_del_sysfs+0x81/0x170 net/bluetooth/hci_sysfs.c:75 hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline] hci_conn_del+0x54e/0xdb0 net/bluetooth/hci_conn.c:1164 hci_conn_hash_flush+0x4bf/0x790 net/bluetooth/hci_conn.c:2699 hci_dev_close_sync+0x603/0x11a0 net/bluetooth/hci_sync.c:5212 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:482 hci_unregister_dev+0x213/0x620 net/bluetooth/hci_core.c:2697 vhci_release+0x79/0xf0 drivers/bluetooth/hci_vhci.c:664 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 get_signal+0x24ed/0x26c0 kernel/signal.c:3017 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe5b7bb85e5 Code: Unable to access opcode bytes at 0x7fe5b7bb85bb. RSP: 002b:00007fe5b8974f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007fe5b7d75fa0 RCX: 00007fe5b7bb85e5 RDX: 00007fe5b8974fc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fe5b7c01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe5b7d75fa0 R15: 00007ffda9a5cfa8 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:ffffc9000448f6d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880302eb060 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8b1f62c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2085610 R10: ffffffff9042b083 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000001 R14: 1ffff92000891ee2 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557dd40787d8 CR3: 0000000029cf2000 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: 6777 Comm: syz.7.38 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #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:ffffc9000448f6d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880302eb060 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8b1f62c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2085610 R10: ffffffff9042b083 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000001 R14: 1ffff92000891ee2 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557dd40787d8 CR3: 000000003095e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: klist_del lib/klist.c:230 [inline] klist_remove+0x140/0x2b0 lib/klist.c:249 device_move+0x12d/0x10b0 drivers/base/core.c:4636 hci_conn_del_sysfs+0x81/0x170 net/bluetooth/hci_sysfs.c:75 hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline] hci_conn_del+0x54e/0xdb0 net/bluetooth/hci_conn.c:1164 hci_conn_hash_flush+0x4bf/0x790 net/bluetooth/hci_conn.c:2699 hci_dev_close_sync+0x603/0x11a0 net/bluetooth/hci_sync.c:5212 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:482 hci_unregister_dev+0x213/0x620 net/bluetooth/hci_core.c:2697 vhci_release+0x79/0xf0 drivers/bluetooth/hci_vhci.c:664 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 get_signal+0x24ed/0x26c0 kernel/signal.c:3017 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe5b7bb85e5 Code: Unable to access opcode bytes at 0x7fe5b7bb85bb. RSP: 002b:00007fe5b8974f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007fe5b7d75fa0 RCX: 00007fe5b7bb85e5 RDX: 00007fe5b8974fc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fe5b7c01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe5b7d75fa0 R15: 00007ffda9a5cfa8 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:ffffc9000448f6d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880302eb060 RCX: 0000000000000000 RDX: 000000000000000b RSI: ffffffff8b1f62c5 RDI: 0000000000000058 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff2085610 R10: ffffffff9042b083 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000001 R14: 1ffff92000891ee2 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557dd40787d8 CR3: 0000000029cf2000 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