Extracting prog: 5m32.727657566s Minimizing prog: 40m7.037081261s Simplifying prog options: 12m9.286452575s Extracting C: 5m6.037819843s 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 0x0) program crashed: general protection fault in lock_sock_nested 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-syz_init_net_socket$bt_l2cap-bind$bt_l2cap detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-syz_init_net_socket$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) listen(r1, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-write$uinput_user_dev-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x7, 0x4, 0x4, 0xfffa}, 0x1d, [0x8000, 0xc95a, 0xfffffff3, 0x9, 0x80, 0x2, 0x3, 0x7f, 0x6, 0x4d, 0x39cc191a, 0x5f, 0x9, 0x5, 0xffff2d37, 0xffffff01, 0x6, 0x3, 0x0, 0x5, 0x4, 0x7, 0x4, 0x3c5b, 0x1, 0x24, 0x9, 0x1, 0x1f461e2c, 0x2, 0xe661, 0x4, 0x7, 0x3, 0x7fff, 0x4c70, 0x80000000, 0x242, 0x3, 0xe, 0x0, 0x71, 0x7, 0x7, 0x3, 0x0, 0x5, 0x3e, 0x8f, 0x6, 0x6, 0x0, 0x5, 0x4, 0x8, 0x0, 0x80, 0x0, 0x5, 0x6, 0x8, 0x4, 0xcc3, 0x40], [0x10000007, 0xffff, 0x12f, 0x8000, 0x10, 0xfffffff3, 0x129432e6, 0xcb, 0xf9, 0xd, 0x2bf, 0x6c9, 0x8da6, 0xfffffffc, 0x3, 0x0, 0x7, 0x5, 0x2f, 0x3, 0x312, 0x78, 0xea4, 0x0, 0x4, 0x4, 0x8000, 0x9, 0x400, 0x401, 0x6, 0x1, 0xff, 0x5, 0x5, 0x5f31, 0x4, 0x0, 0x2, 0x2, 0x9, 0x4, 0x9, 0x8, 0x9, 0x6, 0x7, 0x8000, 0x1, 0xfe000000, 0xffff, 0x2, 0x7f, 0x9, 0x3, 0x3, 0x9, 0x1, 0x7, 0x3, 0x9, 0x48c93690, 0x42, 0x2], [0x7, 0x4, 0x0, 0x5, 0xfffffffe, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x5, 0x5, 0x0, 0x1ef, 0x5, 0x8, 0x86, 0x3, 0x9, 0x3e7, 0x9, 0x5, 0x2, 0x2, 0x3, 0x8, 0x4, 0x6d01, 0x5, 0x38, 0x800003, 0x200, 0x80, 0x3, 0x4, 0x2950bfaf, 0x1000, 0xa2, 0x7, 0x53cf697b, 0x5, 0x6, 0xac8, 0xbf, 0x2, 0x3, 0x7ff, 0xfffffff9, 0x0, 0x1, 0xffff, 0x0, 0x6, 0x1c, 0x120000, 0x3, 0x6, 0xaaed, 0x4, 0x25], [0x9, 0xbb31, 0x3, 0xb, 0x5, 0x938, 0x6, 0x6, 0x0, 0x5, 0xce7, 0x1ff, 0x2, 0x7, 0x5, 0x3, 0x101, 0x10000, 0x6, 0x7fff, 0xffff, 0xa620, 0x2, 0x5, 0x1, 0x2, 0x14c, 0x60a7, 0x6, 0x6, 0xffffffff, 0x80000000, 0x5, 0x8, 0xc8, 0xee0, 0xfffff000, 0xffff, 0x3, 0x7f, 0x100, 0x9602, 0x7, 0x2, 0x4, 0x6, 0x1, 0x10080, 0x5, 0x8, 0x30b1d693, 0xa1f, 0xc, 0x3, 0x1, 0x6c1b, 0x0, 0x4, 0x5, 0xb1c, 0x1, 0x200, 0xffff3441, 0xfff]}, 0x45c) bind$bt_l2cap(0xffffffffffffffff, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(0xffffffffffffffff, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 0x0) program crashed: KASAN: use-after-free Read in l2cap_sock_ready_cb 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) listen(r0, 0x0) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r1, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r1, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program crashed: general protection fault in lock_sock_nested 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, 0x0, 0x0) listen(r0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program crashed: KASAN: slab-use-after-free Read in l2cap_sock_ready_cb validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program crashed: general protection fault in lock_sock_nested validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_l2cap-listen-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen detailed listing: executing program 0: bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) listen(r0, 0x0) program did not crash validation run: crashed=false reproducing took 1h59m31.433646199s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267] CPU: 3 UID: 0 PID: 2838 Comm: kworker/3:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:210 Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 be a6 3d 09 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000ca879f0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 0000000000000260 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff89294071 RDI: dffffc000000004c RBP: 0000000000000260 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff89294071 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880d6d0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558216c808 CR3: 0000000028902000 CR4: 0000000000352ef0 Call Trace: __kasan_check_byte+0x13/0x50 mm/kasan/common.c:579 kasan_check_byte include/linux/kasan.h:401 [inline] lock_acquire kernel/locking/lockdep.c:5842 [inline] lock_acquire+0xfc/0x350 kernel/locking/lockdep.c:5825 lock_sock_nested+0x41/0xf0 net/core/sock.c:3720 lock_sock include/net/sock.h:1679 [inline] l2cap_sock_ready_cb+0x41/0x170 net/bluetooth/l2cap_sock.c:1677 l2cap_chan_ready net/bluetooth/l2cap_core.c:1246 [inline] l2cap_conn_start+0x144/0xb30 net/bluetooth/l2cap_core.c:1512 l2cap_info_timeout+0x81/0xa0 net/bluetooth/l2cap_core.c:1669 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 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+0x15/0x30 mm/kasan/generic.c:210 Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 be a6 3d 09 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000ca879f0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 0000000000000260 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff89294071 RDI: dffffc000000004c RBP: 0000000000000260 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff89294071 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880d6d0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc0b4fe7dac CR3: 000000004f9d2000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 0f 1f 00 nopl (%rax) 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: 90 nop 15: 0f 1f 40 d6 nopl -0x2a(%rax) 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 c1 ef 03 shr $0x3,%rdi 27: 48 01 c7 add %rax,%rdi * 2a: 0f b6 07 movzbl (%rdi),%eax <-- trapping instruction 2d: 3c 07 cmp $0x7,%al 2f: 0f 96 c0 setbe %al 32: e9 be a6 3d 09 jmp 0x93da6f5 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267] CPU: 3 UID: 0 PID: 2838 Comm: kworker/3:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events l2cap_info_timeout RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:210 Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 be a6 3d 09 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000ca879f0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 0000000000000260 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff89294071 RDI: dffffc000000004c RBP: 0000000000000260 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff89294071 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880d6d0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558216c808 CR3: 0000000028902000 CR4: 0000000000352ef0 Call Trace: __kasan_check_byte+0x13/0x50 mm/kasan/common.c:579 kasan_check_byte include/linux/kasan.h:401 [inline] lock_acquire kernel/locking/lockdep.c:5842 [inline] lock_acquire+0xfc/0x350 kernel/locking/lockdep.c:5825 lock_sock_nested+0x41/0xf0 net/core/sock.c:3720 lock_sock include/net/sock.h:1679 [inline] l2cap_sock_ready_cb+0x41/0x170 net/bluetooth/l2cap_sock.c:1677 l2cap_chan_ready net/bluetooth/l2cap_core.c:1246 [inline] l2cap_conn_start+0x144/0xb30 net/bluetooth/l2cap_core.c:1512 l2cap_info_timeout+0x81/0xa0 net/bluetooth/l2cap_core.c:1669 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 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+0x15/0x30 mm/kasan/generic.c:210 Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 be a6 3d 09 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000ca879f0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 0000000000000260 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff89294071 RDI: dffffc000000004c RBP: 0000000000000260 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff89294071 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880d6d0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc0b4fe7dac CR3: 000000004f9d2000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 0f 1f 00 nopl (%rax) 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: 90 nop 15: 0f 1f 40 d6 nopl -0x2a(%rax) 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 c1 ef 03 shr $0x3,%rdi 27: 48 01 c7 add %rax,%rdi * 2a: 0f b6 07 movzbl (%rdi),%eax <-- trapping instruction 2d: 3c 07 cmp $0x7,%al 2f: 0f 96 c0 setbe %al 32: e9 be a6 3d 09 jmp 0x93da6f5 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)