Extracting prog: 4m37.478272137s
Minimizing prog: 14m40.712652074s
Simplifying prog options: 0s
Extracting C: 25.306628536s
Simplifying C: 29m33.342384717s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
bind$bt_sco(0xffffffffffffffff, &(0x7f0000000080), 0x8)
listen(0xffffffffffffffff, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, 0x0, 0x0)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(0x0, 0x0)
syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
bind$bt_sco(r0, &(0x7f0000000080), 0x8)
listen(r0, 0x0)
syz_emit_vhci(&(0x7f0000000180)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@any, "546792"}}}, 0xd)
syz_emit_vhci(0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false 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$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program crashed: BUG: sleeping function called from invalid context in lock_sock_nested
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_sco-bind$bt_sco-listen-syz_emit_vhci-syz_emit_vhci
program did not crash
reproducing took 49m16.839961745s
repro crashed as (corrupted=false):
BUG: sleeping function called from invalid context at net/core/sock.c:3647
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6012, name: kworker/u9:1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
5 locks held by kworker/u9:1/6012:
 #0: ffff0000c65ec948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3210
 #1: ffff8000a4237ba0 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3210
 #2: ffff0000c69ac078 (&hdev->lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0xe4/0x90c net/bluetooth/hci_event.c:4931
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: sco_conn_ready net/bluetooth/sco.c:1328 [inline]
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: sco_connect_cfm+0x24c/0x8f4 net/bluetooth/sco.c:1415
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
Preemption disabled at:
[<ffff80008a9dc420>] spin_lock include/linux/spinlock.h:351 [inline]
[<ffff80008a9dc420>] sco_conn_ready net/bluetooth/sco.c:1328 [inline]
[<ffff80008a9dc420>] sco_connect_cfm+0x24c/0x8f4 net/bluetooth/sco.c:1415
CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 __might_resched+0x374/0x4d0 kernel/sched/core.c:8767
 __might_sleep+0x90/0xe4 kernel/sched/core.c:8696
 lock_sock_nested+0x6c/0x11c net/core/sock.c:3647
 lock_sock include/net/sock.h:1624 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
==================================================================
BUG: KASAN: slab-use-after-free in __lock_acquire+0x10c/0x7904 kernel/locking/lockdep.c:5091
Read of size 8 at addr ffff0000c6a191d8 by task kworker/u9:1/6012

CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Tainted: G        W          6.14.0-rc4-syzkaller-ge056da87c780 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x198/0x550 mm/kasan/report.c:521
 kasan_report+0xd8/0x138 mm/kasan/report.c:634
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __lock_acquire+0x10c/0x7904 kernel/locking/lockdep.c:5091
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x74/0x11c net/core/sock.c:3648
 lock_sock include/net/sock.h:1624 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862

Allocated by task 6449:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4294 [inline]
 __kmalloc_noprof+0x32c/0x54c mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2181
 sk_alloc+0x44/0x3f0 net/core/sock.c:2234
 bt_sock_alloc+0x4c/0x304 net/bluetooth/af_bluetooth.c:148
 sco_sock_alloc net/bluetooth/sco.c:552 [inline]
 sco_sock_create+0xbc/0x31c net/bluetooth/sco.c:583
 bt_sock_create+0x14c/0x248 net/bluetooth/af_bluetooth.c:132
 __sock_create+0x448/0x908 net/socket.c:1548
 sock_create net/socket.c:1606 [inline]
 __sys_socket_create net/socket.c:1643 [inline]
 __sys_socket+0x134/0x340 net/socket.c:1690
 __do_sys_socket net/socket.c:1704 [inline]
 __se_sys_socket net/socket.c:1702 [inline]
 __arm64_sys_socket+0x7c/0x94 net/socket.c:1702
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Freed by task 6448:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4609 [inline]
 kfree+0x180/0x478 mm/slub.c:4757
 sk_prot_free net/core/sock.c:2217 [inline]
 __sk_destruct+0x4b8/0x74c net/core/sock.c:2309
 sk_destruct net/core/sock.c:2324 [inline]
 __sk_free+0x388/0x4f4 net/core/sock.c:2335
 sk_free+0x60/0xc8 net/core/sock.c:2346
 sock_put include/net/sock.h:1913 [inline]
 sco_sock_kill+0xfc/0x1b4 net/bluetooth/sco.c:494
 sco_sock_release+0x1fc/0x2c0 net/bluetooth/sco.c:1310
 __sock_release net/socket.c:647 [inline]
 sock_close+0xa4/0x1e8 net/socket.c:1398
 __fput+0x340/0x760 fs/file_table.c:464
 __fput_sync+0xc8/0x118 fs/file_table.c:550
 __do_sys_close fs/open.c:1580 [inline]
 __se_sys_close fs/open.c:1565 [inline]
 __arm64_sys_close+0x80/0xd8 fs/open.c:1565
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

The buggy address belongs to the object at ffff0000c6a19000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 472 bytes inside of
 freed 2048-byte region [ffff0000c6a19000, ffff0000c6a19800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106a18
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c0002000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 05ffc00000000040 ffff0000c0002000 dead000000000122 0000000000000000
head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 05ffc00000000003 fffffdffc31a8601 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000c6a19080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000c6a19100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000c6a19180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff0000c6a19200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000c6a19280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000096000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=00000001078bb000
[0000000000000000] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Tainted: G    B   W          6.14.0-rc4-syzkaller-ge056da87c780 #0
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __pi_memcpy_generic+0x24/0x22c arch/arm64/lib/memcpy.S:71
lr : __asan_memcpy+0x68/0x84 mm/kasan/shadow.c:109
sp : ffff8000a4237600
x29: ffff8000a4237600 x28: 1ffff00014846ed4 x27: dfff800000000000
x26: 1fffe00018d432ad x25: ffff0000c64df3c4 x24: ffff0000c6a19568
x23: ffff0000c64df000 x22: ffff800082e7d3c0 x21: ffff0000ce4f1d40
x20: 0000000000000000 x19: 0000000000000020 x18: ffff800080007b48
x17: ffff800080380838 x16: ffff80008b727f5c x15: 0000000000000004
x14: 1fffe00019c9e3a8 x13: 0000000000000000 x12: 0000000000000000
x11: ffff600019c9e3ac x10: 1fffe00019c9e3ab x9 : dfff800000000000
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff80008a8a9b68
x5 : ffff0000ce4f1d60 x4 : 0000000000000020 x3 : ffff800082e7d3c0
x2 : 0000000000000020 x1 : 0000000000000000 x0 : ffff0000ce4f1d40
Call trace:
 __pi_memcpy_generic+0x24/0x22c arch/arm64/lib/memcpy.S:70 (P)
 smack_sk_clone_security+0x7c/0x90 security/smack/smack_lsm.c:2459
 security_sk_clone+0x90/0x194 security/security.c:4887
 sco_sock_init net/bluetooth/sco.c:537 [inline]
 sco_conn_ready net/bluetooth/sco.c:1351 [inline]
 sco_connect_cfm+0x56c/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: f100805f 540003c8 f100405f 540000c3 (a9401c26) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f100805f 	cmp	x2, #0x20
   4:	540003c8 	b.hi	0x7c  // b.pmore
   8:	f100405f 	cmp	x2, #0x10
   c:	540000c3 	b.cc	0x24  // b.lo, b.ul, b.last
* 10:	a9401c26 	ldp	x6, x7, [x1] <-- trapping instruction

final repro crashed as (corrupted=false):
BUG: sleeping function called from invalid context at net/core/sock.c:3647
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6012, name: kworker/u9:1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
5 locks held by kworker/u9:1/6012:
 #0: ffff0000c65ec948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3210
 #1: ffff8000a4237ba0 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3210
 #2: ffff0000c69ac078 (&hdev->lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0xe4/0x90c net/bluetooth/hci_event.c:4931
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: sco_conn_ready net/bluetooth/sco.c:1328 [inline]
 #3: ffff0000cdacda20 (&conn->lock#3){+.+.}-{3:3}, at: sco_connect_cfm+0x24c/0x8f4 net/bluetooth/sco.c:1415
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 #4: ffff0000c6a19258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
Preemption disabled at:
[<ffff80008a9dc420>] spin_lock include/linux/spinlock.h:351 [inline]
[<ffff80008a9dc420>] sco_conn_ready net/bluetooth/sco.c:1328 [inline]
[<ffff80008a9dc420>] sco_connect_cfm+0x24c/0x8f4 net/bluetooth/sco.c:1415
CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 __might_resched+0x374/0x4d0 kernel/sched/core.c:8767
 __might_sleep+0x90/0xe4 kernel/sched/core.c:8696
 lock_sock_nested+0x6c/0x11c net/core/sock.c:3647
 lock_sock include/net/sock.h:1624 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
==================================================================
BUG: KASAN: slab-use-after-free in __lock_acquire+0x10c/0x7904 kernel/locking/lockdep.c:5091
Read of size 8 at addr ffff0000c6a191d8 by task kworker/u9:1/6012

CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Tainted: G        W          6.14.0-rc4-syzkaller-ge056da87c780 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x198/0x550 mm/kasan/report.c:521
 kasan_report+0xd8/0x138 mm/kasan/report.c:634
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __lock_acquire+0x10c/0x7904 kernel/locking/lockdep.c:5091
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x74/0x11c net/core/sock.c:3648
 lock_sock include/net/sock.h:1624 [inline]
 sco_conn_ready net/bluetooth/sco.c:1341 [inline]
 sco_connect_cfm+0x3d8/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862

Allocated by task 6449:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4294 [inline]
 __kmalloc_noprof+0x32c/0x54c mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2181
 sk_alloc+0x44/0x3f0 net/core/sock.c:2234
 bt_sock_alloc+0x4c/0x304 net/bluetooth/af_bluetooth.c:148
 sco_sock_alloc net/bluetooth/sco.c:552 [inline]
 sco_sock_create+0xbc/0x31c net/bluetooth/sco.c:583
 bt_sock_create+0x14c/0x248 net/bluetooth/af_bluetooth.c:132
 __sock_create+0x448/0x908 net/socket.c:1548
 sock_create net/socket.c:1606 [inline]
 __sys_socket_create net/socket.c:1643 [inline]
 __sys_socket+0x134/0x340 net/socket.c:1690
 __do_sys_socket net/socket.c:1704 [inline]
 __se_sys_socket net/socket.c:1702 [inline]
 __arm64_sys_socket+0x7c/0x94 net/socket.c:1702
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Freed by task 6448:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4609 [inline]
 kfree+0x180/0x478 mm/slub.c:4757
 sk_prot_free net/core/sock.c:2217 [inline]
 __sk_destruct+0x4b8/0x74c net/core/sock.c:2309
 sk_destruct net/core/sock.c:2324 [inline]
 __sk_free+0x388/0x4f4 net/core/sock.c:2335
 sk_free+0x60/0xc8 net/core/sock.c:2346
 sock_put include/net/sock.h:1913 [inline]
 sco_sock_kill+0xfc/0x1b4 net/bluetooth/sco.c:494
 sco_sock_release+0x1fc/0x2c0 net/bluetooth/sco.c:1310
 __sock_release net/socket.c:647 [inline]
 sock_close+0xa4/0x1e8 net/socket.c:1398
 __fput+0x340/0x760 fs/file_table.c:464
 __fput_sync+0xc8/0x118 fs/file_table.c:550
 __do_sys_close fs/open.c:1580 [inline]
 __se_sys_close fs/open.c:1565 [inline]
 __arm64_sys_close+0x80/0xd8 fs/open.c:1565
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

The buggy address belongs to the object at ffff0000c6a19000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 472 bytes inside of
 freed 2048-byte region [ffff0000c6a19000, ffff0000c6a19800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106a18
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c0002000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 05ffc00000000040 ffff0000c0002000 dead000000000122 0000000000000000
head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 05ffc00000000003 fffffdffc31a8601 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000c6a19080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000c6a19100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000c6a19180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff0000c6a19200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000c6a19280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000096000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=00000001078bb000
[0000000000000000] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6012 Comm: kworker/u9:1 Tainted: G    B   W          6.14.0-rc4-syzkaller-ge056da87c780 #0
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci0 hci_rx_work
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __pi_memcpy_generic+0x24/0x22c arch/arm64/lib/memcpy.S:71
lr : __asan_memcpy+0x68/0x84 mm/kasan/shadow.c:109
sp : ffff8000a4237600
x29: ffff8000a4237600 x28: 1ffff00014846ed4 x27: dfff800000000000
x26: 1fffe00018d432ad x25: ffff0000c64df3c4 x24: ffff0000c6a19568
x23: ffff0000c64df000 x22: ffff800082e7d3c0 x21: ffff0000ce4f1d40
x20: 0000000000000000 x19: 0000000000000020 x18: ffff800080007b48
x17: ffff800080380838 x16: ffff80008b727f5c x15: 0000000000000004
x14: 1fffe00019c9e3a8 x13: 0000000000000000 x12: 0000000000000000
x11: ffff600019c9e3ac x10: 1fffe00019c9e3ab x9 : dfff800000000000
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff80008a8a9b68
x5 : ffff0000ce4f1d60 x4 : 0000000000000020 x3 : ffff800082e7d3c0
x2 : 0000000000000020 x1 : 0000000000000000 x0 : ffff0000ce4f1d40
Call trace:
 __pi_memcpy_generic+0x24/0x22c arch/arm64/lib/memcpy.S:70 (P)
 smack_sk_clone_security+0x7c/0x90 security/smack/smack_lsm.c:2459
 security_sk_clone+0x90/0x194 security/security.c:4887
 sco_sock_init net/bluetooth/sco.c:537 [inline]
 sco_conn_ready net/bluetooth/sco.c:1351 [inline]
 sco_connect_cfm+0x56c/0x8f4 net/bluetooth/sco.c:1415
 hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
 hci_sync_conn_complete_evt+0x4cc/0x90c net/bluetooth/hci_event.c:5014
 hci_event_func net/bluetooth/hci_event.c:7473 [inline]
 hci_event_packet+0x8d0/0x1060 net/bluetooth/hci_event.c:7525
 hci_rx_work+0x31c/0xb04 net/bluetooth/hci_core.c:4015
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: f100805f 540003c8 f100405f 540000c3 (a9401c26) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f100805f 	cmp	x2, #0x20
   4:	540003c8 	b.hi	0x7c  // b.pmore
   8:	f100405f 	cmp	x2, #0x10
   c:	540000c3 	b.cc	0x24  // b.lo, b.ul, b.last
* 10:	a9401c26 	ldp	x6, x7, [x1] <-- trapping instruction