Extracting prog: 4m30.057557862s
Minimizing prog: 27m46.094186462s
Simplifying prog options: 5m44.274947931s
Extracting C: 2m56.683516449s
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$hfsplus-mount$bind-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000200)='./file0\x00', 0x3004812, &(0x7f00000006c0)=ANY=[@ANYRES8, @ANYRESOCT, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRESOCT=0x0, @ANYRESHEX], 0x3, 0x686, &(0x7f0000000e40)="$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")
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$hfsplus-mount$bind-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000200)='./file0\x00', 0x3004812, &(0x7f00000006c0)=ANY=[@ANYRES8, @ANYRESOCT, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRESOCT=0x0, @ANYRESHEX], 0x3, 0x686, &(0x7f0000000e40)="$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")
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 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=2m45.808939414s, {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$hfsplus-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000200)='./file0\x00', 0x3004812, &(0x7f00000006c0)=ANY=[@ANYRES8, @ANYRESOCT, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRESOCT=0x0, @ANYRESHEX], 0x3, 0x686, &(0x7f0000000e40)="$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")
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_mount_image$hfsplus-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000200)='./file0\x00', 0x3004812, &(0x7f00000006c0)=ANY=[@ANYRES8, @ANYRESOCT, @ANYRESOCT, @ANYRESHEX, @ANYRES16, @ANYRESOCT=0x0, @ANYRESHEX], 0x3, 0x686, &(0x7f0000000e40)="$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")
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program crashed: general protection fault in lock_sock_nested
testing program (duration=2m45.808939414s, {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-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program crashed: general protection fault in lock_sock_nested
testing program (duration=2m45.808939414s, {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-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {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$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {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$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
bind$bt_l2cap(0xffffffffffffffff, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(0xffffffffffffffff, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {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-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {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-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(0x0, &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {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-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0, 0x1480, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=2m45.808939414s, {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-mount$bind
program did not crash
simplifying guilty program options
testing program (duration=2m45.808939414s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program did not crash
validation run: crashed=false
testing program (duration=2m45.808939414s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mount$bind
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
mount$bind(&(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x1480, 0x0)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
reproducing took 1h3m39.806703074s
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: 978 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 0f 1f 84 00 00 00 00 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 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc90003d27860 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff8932fc98 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8932fc98 RDI: 000000000000004c
RBP: ffffffff8a65d506 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a65d4c0 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a77051761 CR3: 0000000077dfe000 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+0x84/0x340 kernel/locking/lockdep.c:5842
lock_sock_nested+0x48/0x100 net/core/sock.c:3780
lock_sock include/net/sock.h:1700 [inline]
l2cap_sock_ready_cb+0x46/0x170 net/bluetooth/l2cap_sock.c:1695
l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
l2cap_conn_start+0x700/0xcd0 net/bluetooth/l2cap_core.c:1513
l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1670
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279
process_scheduled_works kernel/workqueue.c:3362 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3443
kthread+0x389/0x480 kernel/kthread.c:467
ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 0f 1f 84 00 00 00 00 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 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc90003d27860 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff8932fc98 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8932fc98 RDI: 000000000000004c
RBP: ffffffff8a65d506 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a65d4c0 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0098f2000 CR3: 000000004bd98000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
7: 00
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: 90 nop
16: 90 nop
17: 90 nop
18: 0f 1f 40 d6 nopl -0x2a(%rax)
1c: 48 c1 ef 03 shr $0x3,%rdi
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction
2e: 3c 08 cmp $0x8,%al
30: 0f 92 c0 setb %al
33: c3 ret
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: cc int3
39: 66 data16
3a: 66 data16
3b: 66 data16
3c: 66 data16
3d: 66 data16
3e: 66 data16
3f: 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: 978 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 0f 1f 84 00 00 00 00 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 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc90003d27860 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff8932fc98 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8932fc98 RDI: 000000000000004c
RBP: ffffffff8a65d506 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a65d4c0 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a77051761 CR3: 0000000077dfe000 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+0x84/0x340 kernel/locking/lockdep.c:5842
lock_sock_nested+0x48/0x100 net/core/sock.c:3780
lock_sock include/net/sock.h:1700 [inline]
l2cap_sock_ready_cb+0x46/0x170 net/bluetooth/l2cap_sock.c:1695
l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
l2cap_conn_start+0x700/0xcd0 net/bluetooth/l2cap_core.c:1513
l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1670
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279
process_scheduled_works kernel/workqueue.c:3362 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3443
kthread+0x389/0x480 kernel/kthread.c:467
ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 0f 1f 84 00 00 00 00 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 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc90003d27860 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff8932fc98 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8932fc98 RDI: 000000000000004c
RBP: ffffffff8a65d506 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a65d4c0 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0098f2000 CR3: 000000004bd98000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
7: 00
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: 90 nop
16: 90 nop
17: 90 nop
18: 0f 1f 40 d6 nopl -0x2a(%rax)
1c: 48 c1 ef 03 shr $0x3,%rdi
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction
2e: 3c 08 cmp $0x8,%al
30: 0f 92 c0 setb %al
33: c3 ret
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: cc int3
39: 66 data16
3a: 66 data16
3b: 66 data16
3c: 66 data16
3d: 66 data16
3e: 66 data16
3f: 2e cs