Extracting prog: 9m28.269595122s
Minimizing prog: 2h44m59.361839223s
Simplifying prog options: 18m25.982536619s
Extracting C: 5m8.905285642s
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:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-close_range
detailed listing:
executing program 0:
r0 = io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r1, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
connect$bt_l2cap(r3, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)
close_range(r0, 0xffffffffffffffff, 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:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-close_range
detailed listing:
executing program 0:
r0 = io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r1, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
connect$bt_l2cap(r3, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)
close_range(r0, 0xffffffffffffffff, 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:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-close_range
detailed listing:
executing program 0:
r0 = io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r1, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
connect$bt_l2cap(r3, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)
close_range(r0, 0xffffffffffffffff, 0x0)

program crashed: WARNING in hci_recv_frame
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-syz_init_net_socket$bt_l2cap-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
connect$bt_l2cap(r2, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-syz_init_net_socket$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-socket$inet_dccp-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
socket$inet_dccp(0x2, 0x6, 0x0)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-timer_settime-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async)
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-gettid-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
gettid()
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-syz_init_net_socket$bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): io_uring_setup-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
io_uring_setup(0x2a2c, &(0x7f0000000000)={0x0, 0x0, 0x2, 0xfffffffc}) (async)
ioctl$sock_bt_hci(0xffffffffffffffff, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (async, rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0) (rerun: 64)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(0x0, 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB], 0x7) (async, rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (rerun: 64)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program crashed: WARNING in hci_recv_frame
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, 0x0, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, 0x0)
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) (async)

program did not crash
testing program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5)

program crashed: WARNING in hci_recv_frame
extracting C reproducer
testing compiled C program (duration=9m5.373308773s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=9m5.373308773s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5)

program did not crash
testing program (duration=9m5.373308773s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci-timer_create-close-connect$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000006c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7) (async)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc))
close(0xffffffffffffffff)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100)={0x1f, 0x8ef}, 0x5)

program did not crash
reproducing took 3h18m2.519284323s
repro crashed as (corrupted=false):
------------[ cut here ]------------
workqueue: cannot queue hci_rx_work on wq hci0
WARNING: CPU: 0 PID: 9571 at kernel/workqueue.c:2258 __queue_work+0xdf6/0x1090 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 9571 Comm: syz.0.996 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xdf6/0x1090 kernel/workqueue.c:2256
Code: e8 03 80 3c 28 00 74 08 4c 89 ff e8 c4 f3 9f 00 49 8b 37 49 81 c5 78 01 00 00 48 c7 c7 60 e7 29 8c 4c 89 ea e8 5b 6f f8 ff 90 <0f> 0b 90 90 e9 66 f4 ff ff e8 0c b4 38 00 90 0f 0b 90 e9 ad fc ff
RSP: 0018:ffffc9000d267a88 EFLAGS: 00010046
RAX: 8e4dedd529a14400 RBX: ffff88803950a440 RCX: ffff88803950a440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81819e52 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff1100b312338
R13: ffff888059891978 R14: 0000000000000008 R15: ffff88804ea08a98
FS:  00007fd5979766c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd597975fe0 CR3: 0000000012708000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:662 [inline]
 hci_recv_frame+0x598/0x6f0 net/bluetooth/hci_core.c:2926
 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline]
 vhci_write+0x35a/0x490 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd596b8bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fd597976000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd596da6080 RCX: 00007fd596b8bc1f
RDX: 0000000000000007 RSI: 00002000000006c0 RDI: 00000000000000ca
RBP: 00007fd596c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000006c0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd596da6080 R15: 00007ffceae0fdd8
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
workqueue: cannot queue hci_rx_work on wq hci0
WARNING: CPU: 0 PID: 9571 at kernel/workqueue.c:2258 __queue_work+0xdf6/0x1090 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 9571 Comm: syz.0.996 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xdf6/0x1090 kernel/workqueue.c:2256
Code: e8 03 80 3c 28 00 74 08 4c 89 ff e8 c4 f3 9f 00 49 8b 37 49 81 c5 78 01 00 00 48 c7 c7 60 e7 29 8c 4c 89 ea e8 5b 6f f8 ff 90 <0f> 0b 90 90 e9 66 f4 ff ff e8 0c b4 38 00 90 0f 0b 90 e9 ad fc ff
RSP: 0018:ffffc9000d267a88 EFLAGS: 00010046
RAX: 8e4dedd529a14400 RBX: ffff88803950a440 RCX: ffff88803950a440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81819e52 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff1100b312338
R13: ffff888059891978 R14: 0000000000000008 R15: ffff88804ea08a98
FS:  00007fd5979766c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd597975fe0 CR3: 0000000012708000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:662 [inline]
 hci_recv_frame+0x598/0x6f0 net/bluetooth/hci_core.c:2926
 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline]
 vhci_write+0x35a/0x490 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd596b8bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007fd597976000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd596da6080 RCX: 00007fd596b8bc1f
RDX: 0000000000000007 RSI: 00002000000006c0 RDI: 00000000000000ca
RBP: 00007fd596c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000006c0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd596da6080 R15: 00007ffceae0fdd8
 </TASK>