Extracting prog: 5m33.877246994s Minimizing prog: 24m50.790026864s Simplifying prog options: 8m59.780014251s Extracting C: 2m53.214486956s 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$ext4-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000140)={[{@noload}, {@resuid={'resuid', 0x3d, 0xee01}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x2e}}, {@lazytime}, {@quota}, {@quota}]}, 0x3, 0x443, &(0x7f0000000940)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$ext4-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000140)={[{@noload}, {@resuid={'resuid', 0x3d, 0xee01}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x2e}}, {@lazytime}, {@quota}, {@quota}]}, 0x3, 0x443, &(0x7f0000000940)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$ext4-open detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000140)={[{@noload}, {@resuid={'resuid', 0x3d, 0xee01}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x2e}}, {@lazytime}, {@quota}, {@quota}]}, 0x3, 0x443, &(0x7f0000000940)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$ext4-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000140)={[{@noload}, {@resuid={'resuid', 0x3d, 0xee01}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x2e}}, {@lazytime}, {@quota}, {@quota}]}, 0x3, 0x443, &(0x7f0000000940)="$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") mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(0xffffffffffffffff, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(0x0, 0x14927e, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested testing program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested extracting C reproducer testing compiled C program (duration=2m31.138170207s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount program did not crash simplifying guilty program options testing program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested extracting C reproducer testing compiled C program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount program did not crash testing program (duration=2m31.138170207s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program did not crash testing program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true testing program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true testing program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program did not crash validation run: crashed=false testing program (duration=2m31.138170207s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-open-mount detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000002c0)={0x1f, 0x0, @any, 0xfffa}, 0xe) listen(r0, 0x800) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(0x0, 0x0, 0x0, 0x1000, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true reproducing took 55m51.646372213s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267] CPU: 0 UID: 0 PID: 1553 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 10 24 81 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000588f868 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff8973dc18 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8973dc18 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aade1e0 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125460000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a92fe6ad8 CR3: 000000000e54c000 CR4: 00000000003526f0 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:573 kasan_check_byte include/linux/kasan.h:402 [inline] lock_acquire+0x79/0x2e0 kernel/locking/lockdep.c:5842 lock_sock_nested+0x48/0x100 net/core/sock.c:3780 lock_sock include/net/sock.h:1709 [inline] l2cap_sock_ready_cb+0x46/0x160 net/bluetooth/l2cap_sock.c:1695 l2cap_chan_ready net/bluetooth/l2cap_core.c:1256 [inline] l2cap_conn_start+0x779/0xff0 net/bluetooth/l2cap_core.c:1505 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1662 process_one_work+0x949/0x1650 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0xb46/0x1140 kernel/workqueue.c:3443 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 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:210 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 10 24 81 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000588f868 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff8973dc18 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8973dc18 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aade1e0 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125460000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564b06f6ae00 CR3: 0000000078cee000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 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: 0f 1f 40 d6 nopl -0x2a(%rax) 18: 48 c1 ef 03 shr $0x3,%rdi 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df * 26: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2a: 3c 08 cmp $0x8,%al 2c: 0f 92 c0 setb %al 2f: e9 10 24 81 09 jmp 0x9812444 34: cc int3 35: 66 data16 36: 66 data16 37: 66 data16 38: 66 data16 39: 66 data16 3a: 66 data16 3b: 2e cs final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267] CPU: 0 UID: 0 PID: 1553 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 10 24 81 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000588f868 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff8973dc18 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8973dc18 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aade1e0 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125460000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a92fe6ad8 CR3: 000000000e54c000 CR4: 00000000003526f0 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:573 kasan_check_byte include/linux/kasan.h:402 [inline] lock_acquire+0x79/0x2e0 kernel/locking/lockdep.c:5842 lock_sock_nested+0x48/0x100 net/core/sock.c:3780 lock_sock include/net/sock.h:1709 [inline] l2cap_sock_ready_cb+0x46/0x160 net/bluetooth/l2cap_sock.c:1695 l2cap_chan_ready net/bluetooth/l2cap_core.c:1256 [inline] l2cap_conn_start+0x779/0xff0 net/bluetooth/l2cap_core.c:1505 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1662 process_one_work+0x949/0x1650 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0xb46/0x1140 kernel/workqueue.c:3443 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 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:210 Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 10 24 81 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000588f868 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff8973dc18 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8973dc18 RDI: 000000000000004c RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8aade1e0 R12: 0000000000000000 R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125460000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564b06f6ae00 CR3: 0000000078cee000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 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: 0f 1f 40 d6 nopl -0x2a(%rax) 18: 48 c1 ef 03 shr $0x3,%rdi 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df * 26: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2a: 3c 08 cmp $0x8,%al 2c: 0f 92 c0 setb %al 2f: e9 10 24 81 09 jmp 0x9812444 34: cc int3 35: 66 data16 36: 66 data16 37: 66 data16 38: 66 data16 39: 66 data16 3a: 66 data16 3b: 2e cs