Extracting prog: 4m43.991294904s
Minimizing prog: 1h25m38.479406761s
Simplifying prog options: 12m15.485407752s
Extracting C: 5m13.305943143s
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$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in l2cap_unregister_user
single: successfully extracted reproducer
found reproducer with 10 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$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)

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$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-socket$inet6-mount
detailed listing:
executing program 0:
syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(0xffffffffffffffff, 0x400448c8, &(0x7f0000000340)={r0, r0, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(0x0, 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, 0x0, 0x0)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, 0x0)
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in l2cap_unregister_user
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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in l2cap_unregister_user
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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 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}}): syz_init_net_socket$bt_hidp-prlimit64-socketpair$unix-fsopen-socketpair$tipc-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNADD-socket$inet6-mount
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6)
prlimit64(0x0, 0xe, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
fsopen(&(0x7f00000014c0)='proc\x00', 0x0)
socketpair$tipc(0x1e, 0x2, 0x0, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe)
ioctl$sock_bt_hidp_HIDPCONNADD(r0, 0x400448c8, &(0x7f0000000340)={r1, r1, 0xc, 0x0, 0x0, 0x9, 0x1, 0x10cf, 0x5502, 0x8b, 0x1, 0x80000000, 'syz0\x00'})
socket$inet6(0xa, 0x3, 0x6)
mount(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
reproducing took 2h45m30.311282405s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:199 [inline]
BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:694 [inline]
BUG: KASAN: use-after-free in __mutex_lock+0x801/0x1350 kernel/locking/mutex.c:776
Read of size 8 at addr ffff8880584c00a8 by task khidpd_10cf5502/24219

CPU: 1 UID: 0 PID: 24219 Comm: khidpd_10cf5502 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __mutex_waiter_is_first kernel/locking/mutex.c:199 [inline]
 __mutex_lock_common kernel/locking/mutex.c:694 [inline]
 __mutex_lock+0x801/0x1350 kernel/locking/mutex.c:776
 l2cap_unregister_user+0x6a/0x1b0 net/bluetooth/l2cap_core.c:1729
 hidp_session_thread+0x3a1/0x420 net/bluetooth/hidp/core.c:1304
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880584c1d40 pfn:0x584c0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0000c1c508 ffff8880b8740f00 0000000000000000
raw: ffff8880584c1d40 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x40dc0(GFP_KERNEL|__GFP_ZERO|__GFP_COMP), pid 23432, tgid 23432 (syz-executor), ts 420105853267, free_ts 473115957722
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x234/0x290 mm/page_alloc.c:1857
 prep_new_page mm/page_alloc.c:1865 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
 ___kmalloc_large_node+0x4e/0x150 mm/slub.c:5602
 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5633
 __do_kmalloc_node mm/slub.c:5649 [inline]
 __kmalloc_noprof+0x4c9/0x800 mm/slub.c:5673
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 hci_alloc_dev_priv+0x28/0x2060 net/bluetooth/hci_core.c:2448
 hci_alloc_dev include/net/bluetooth/hci_core.h:1763 [inline]
 __vhci_create_device drivers/bluetooth/hci_vhci.c:421 [inline]
 vhci_create_device+0x120/0x650 drivers/bluetooth/hci_vhci.c:479
 vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline]
 vhci_write+0x3ce/0x4a0 drivers/bluetooth/hci_vhci.c:616
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23432 tgid 23432 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
 bt_host_release+0x82/0x90 net/bluetooth/hci_sysfs.c:87
 device_release+0x9e/0x1d0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x228/0x570 lib/kobject.c:737
 vhci_release+0x15a/0x1a0 drivers/bluetooth/hci_vhci.c:691
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x8bd/0x25b0 kernel/exit.c:971
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 get_signal+0x1285/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2d0/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff8880584bff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880584c0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8880584c0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                  ^
 ffff8880584c0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880584c0180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:199 [inline]
BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:694 [inline]
BUG: KASAN: use-after-free in __mutex_lock+0x801/0x1350 kernel/locking/mutex.c:776
Read of size 8 at addr ffff8880584c00a8 by task khidpd_10cf5502/24219

CPU: 1 UID: 0 PID: 24219 Comm: khidpd_10cf5502 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __mutex_waiter_is_first kernel/locking/mutex.c:199 [inline]
 __mutex_lock_common kernel/locking/mutex.c:694 [inline]
 __mutex_lock+0x801/0x1350 kernel/locking/mutex.c:776
 l2cap_unregister_user+0x6a/0x1b0 net/bluetooth/l2cap_core.c:1729
 hidp_session_thread+0x3a1/0x420 net/bluetooth/hidp/core.c:1304
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880584c1d40 pfn:0x584c0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0000c1c508 ffff8880b8740f00 0000000000000000
raw: ffff8880584c1d40 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x40dc0(GFP_KERNEL|__GFP_ZERO|__GFP_COMP), pid 23432, tgid 23432 (syz-executor), ts 420105853267, free_ts 473115957722
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x234/0x290 mm/page_alloc.c:1857
 prep_new_page mm/page_alloc.c:1865 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
 ___kmalloc_large_node+0x4e/0x150 mm/slub.c:5602
 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5633
 __do_kmalloc_node mm/slub.c:5649 [inline]
 __kmalloc_noprof+0x4c9/0x800 mm/slub.c:5673
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 hci_alloc_dev_priv+0x28/0x2060 net/bluetooth/hci_core.c:2448
 hci_alloc_dev include/net/bluetooth/hci_core.h:1763 [inline]
 __vhci_create_device drivers/bluetooth/hci_vhci.c:421 [inline]
 vhci_create_device+0x120/0x650 drivers/bluetooth/hci_vhci.c:479
 vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline]
 vhci_write+0x3ce/0x4a0 drivers/bluetooth/hci_vhci.c:616
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23432 tgid 23432 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
 bt_host_release+0x82/0x90 net/bluetooth/hci_sysfs.c:87
 device_release+0x9e/0x1d0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x228/0x570 lib/kobject.c:737
 vhci_release+0x15a/0x1a0 drivers/bluetooth/hci_vhci.c:691
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x8bd/0x25b0 kernel/exit.c:971
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 get_signal+0x1285/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2d0/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff8880584bff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880584c0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8880584c0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                  ^
 ffff8880584c0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880584c0180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================