Extracting prog: 2m12.139827969s
Minimizing prog: 21m51.169772494s
Simplifying prog options: 4m48.509697579s
Extracting C: 1m26.359659696s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program crashed: general protection fault in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(0xffffffffffffffff, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r0, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
mkdirat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r0, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, 0x0, 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(0x0, &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', 0x0, 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(0x0, &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, 0x0, 0x0)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=47.745747201s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
program did not crash
simplifying guilty program options
testing program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program crashed: general protection fault in lock_sock_nested
extracting C reproducer
testing compiled C program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
program did not crash
testing program (duration=47.745747201s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=47.745747201s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-mkdirat-mount$bind-mount$bind-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_usb_connect$cdc_ecm
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0, 0x0)
mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000200)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x65000, 0x0)
mount$bind(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='./file0/file0\x00', 0x0, 0x1805002, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r1, &(0x7f0000000040)={0x1f, 0x0, @any, 0x401}, 0xe)
listen(r1, 0x0)
syz_usb_connect$cdc_ecm(0x3, 0x63, &(0x7f0000000440)={{0x12, 0x1, 0x250, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x51, 0x1, 0x1, 0x20, 0x0, 0x3, [{{0x9, 0x4, 0x0, 0xe, 0x2, 0x2, 0x6, 0x0, 0x24, {{0x5}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x3ff, 0x8001}, [@dmm={0x7, 0x24, 0x14, 0x8001, 0x5}, @ncm={0x6, 0x24, 0x1a, 0x1ff, 0x11}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x20, 0xda, 0x9, 0xcd}}], {{0x9, 0x5, 0x82, 0x2, 0x0, 0x9, 0x5, 0x2}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x1f, 0x5e, 0x3}}}}}]}}]}}, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
reproducing took 34m17.615935341s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 UID: 0 PID: 6059 Comm: kworker/0:5 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:199
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 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 fe cb 60 09 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc9000393fa00 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000258 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8950f321 RDI: dffffc000000004b
RBP: 0000000000000258 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff8950f321
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005612165abda8 CR3: 000000002a9bf000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:556
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire kernel/locking/lockdep.c:5845 [inline]
 lock_acquire+0xfc/0x350 kernel/locking/lockdep.c:5828
 lock_sock_nested+0x41/0xf0 net/core/sock.c:3752
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x41/0x170 net/bluetooth/l2cap_sock.c:1674
 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:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:199
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 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 fe cb 60 09 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc9000393fa00 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000258 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8950f321 RDI: dffffc000000004b
RBP: 0000000000000258 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff8950f321
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005612165abda8 CR3: 0000000075d95000 CR4: 00000000003526f0
----------------
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:	66 0f 1f 00          	nopw   (%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 fe cb 60 09       	jmp    0x960cc35
  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 0xdffffc000000004b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 UID: 0 PID: 6059 Comm: kworker/0:5 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:199
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 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 fe cb 60 09 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc9000393fa00 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000258 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8950f321 RDI: dffffc000000004b
RBP: 0000000000000258 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff8950f321
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005612165abda8 CR3: 000000002a9bf000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:556
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire kernel/locking/lockdep.c:5845 [inline]
 lock_acquire+0xfc/0x350 kernel/locking/lockdep.c:5828
 lock_sock_nested+0x41/0xf0 net/core/sock.c:3752
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x41/0x170 net/bluetooth/l2cap_sock.c:1674
 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:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x15/0x30 mm/kasan/generic.c:199
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 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 fe cb 60 09 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc9000393fa00 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000258 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8950f321 RDI: dffffc000000004b
RBP: 0000000000000258 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffff83 R11: 0000000000000001 R12: ffffffff8950f321
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005612165abda8 CR3: 0000000075d95000 CR4: 00000000003526f0
----------------
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:	66 0f 1f 00          	nopw   (%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 fe cb 60 09       	jmp    0x960cc35
  37:	66                   	data16
  38:	66                   	data16
  39:	2e                   	cs
  3a:	0f                   	.byte 0xf
  3b:	1f                   	(bad)
  3c:	84 00                	test   %al,(%rax)