Extracting prog: 1m8.717028242s
Minimizing prog: 9m16.327241499s
Simplifying prog options: 0s
Extracting C: 46.67955207s
Simplifying C: 2m50.567439462s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
setsockopt$bt_hci_HCI_TIME_STAMP(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
fsmount(r0, 0x0, 0x80)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r1, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, 0xffffffffffffffff, 0x16, 0x0, @void}, 0x10)
r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(0xffffffffffffffff, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r1, 0x16, 0x0, @void}, 0x10)
r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={0xffffffffffffffff, r1, 0x16, 0x0, @void}, 0x10)
r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(0x0, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
fsmount(r0, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, 0x0, 0x0)
r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r1, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-bpf$BPF_LINK_CREATE-syz_init_net_socket$bt_hci-setsockopt$bt_hci_HCI_TIME_STAMP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x19, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="1800000001000000000000000000000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @cgroup_sockopt=0x16, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x80)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r0, r2, 0x16, 0x0, @void}, 0x10)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_hci_HCI_TIME_STAMP(r3, 0x0, 0x3, &(0x7f0000000040)=0x7, 0x3)

program crashed: KASAN: slab-out-of-bounds Read in hci_sock_setsockopt
validation run: crashed=true
reproducing took 15m38.217482541s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in hci_sock_setsockopt+0x7f5/0x820 net/bluetooth/hci_sock.c:1925
Read of size 4 at addr ffff88810d44a3c3 by task syz.2.17/369

CPU: 0 PID: 369 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load_n_noabort+0xf/0x20 mm/kasan/report_generic.c:319
 copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
 copy_from_sockptr include/linux/sockptr.h:55 [inline]
 hci_sock_setsockopt+0x7f5/0x820 net/bluetooth/hci_sock.c:1925
 __sys_setsockopt+0x2e9/0x470 net/socket.c:2203
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 x64_sys_call+0x982/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f606714a559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff019f5e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f60673d1fa0 RCX: 00007f606714a559
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f60671e1ab8 R08: 0000000000000003 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60673d1fac R14: 00007f60673d1fa0 R15: 00007f60673d1fa0
 </TASK>

Allocated by task 369:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 __cgroup_bpf_run_filter_setsockopt+0x8e7/0xaa0 kernel/bpf/cgroup.c:1511
 __sys_setsockopt+0x40e/0x470 net/socket.c:2186
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 x64_sys_call+0x982/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810d44a3c0
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 3 bytes inside of
 8-byte region [ffff88810d44a3c0, ffff88810d44a3c8)
The buggy address belongs to the page:
page:ffffea0004351280 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88810d44a1e0 pfn:0x10d44a
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea0004329c40 0000001a0000001a ffff888100042300
raw: ffff88810d44a1e0 0000000080660033 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 71, ts 5048222080, free_ts 5047893649
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 memdup_user mm/util.c:177 [inline]
 strndup_user+0x74/0x150 mm/util.c:236
 copy_mount_string fs/namespace.c:3275 [inline]
 __do_sys_mount fs/namespace.c:3578 [inline]
 __se_sys_mount+0xdf/0x390 fs/namespace.c:3565
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3565
 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1382
 inode_doinit_with_dentry+0x884/0xd90 security/selinux/hooks.c:1577
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6496
 security_d_instantiate+0x9e/0xf0 security/security.c:2075
 d_splice_alias+0x6d/0x390 fs/dcache.c:3073
 kernfs_iop_lookup+0x2c2/0x310 fs/kernfs/dir.c:1175
 __lookup_slow+0x2b8/0x410 fs/namei.c:1671
 lookup_slow+0x57/0x70 fs/namei.c:1688
 walk_component+0x326/0x460 fs/namei.c:1984
 lookup_last fs/namei.c:2439 [inline]
 path_lookupat+0x155/0x430 fs/namei.c:2463
 filename_lookup+0x21e/0x550 fs/namei.c:2492
 user_path_at_empty+0x46/0x1c0 fs/namei.c:2891

Memory state around the buggy address:
 ffff88810d44a280: fb fc fc fc fc 05 fc fc fc fc 05 fc fc fc fc fb
 ffff88810d44a300: fc fc fc fc 05 fc fc fc fc 05 fc fc fc fc fb fc
>ffff88810d44a380: fc fc fc fa fc fc fc fc 03 fc fc fc fc fb fc fc
                                           ^
 ffff88810d44a400: fc fc 05 fc fc fc fc 05 fc fc fc fc fb fc fc fc
 ffff88810d44a480: fc fb fc fc fc fc fa fc fc fc fc fb fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in hci_sock_setsockopt+0x7f5/0x820 net/bluetooth/hci_sock.c:1925
Read of size 4 at addr ffff88810d44a3c3 by task syz.2.17/369

CPU: 0 PID: 369 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load_n_noabort+0xf/0x20 mm/kasan/report_generic.c:319
 copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
 copy_from_sockptr include/linux/sockptr.h:55 [inline]
 hci_sock_setsockopt+0x7f5/0x820 net/bluetooth/hci_sock.c:1925
 __sys_setsockopt+0x2e9/0x470 net/socket.c:2203
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 x64_sys_call+0x982/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f606714a559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff019f5e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f60673d1fa0 RCX: 00007f606714a559
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f60671e1ab8 R08: 0000000000000003 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60673d1fac R14: 00007f60673d1fa0 R15: 00007f60673d1fa0
 </TASK>

Allocated by task 369:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 __cgroup_bpf_run_filter_setsockopt+0x8e7/0xaa0 kernel/bpf/cgroup.c:1511
 __sys_setsockopt+0x40e/0x470 net/socket.c:2186
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 x64_sys_call+0x982/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810d44a3c0
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 3 bytes inside of
 8-byte region [ffff88810d44a3c0, ffff88810d44a3c8)
The buggy address belongs to the page:
page:ffffea0004351280 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88810d44a1e0 pfn:0x10d44a
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea0004329c40 0000001a0000001a ffff888100042300
raw: ffff88810d44a1e0 0000000080660033 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 71, ts 5048222080, free_ts 5047893649
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 memdup_user mm/util.c:177 [inline]
 strndup_user+0x74/0x150 mm/util.c:236
 copy_mount_string fs/namespace.c:3275 [inline]
 __do_sys_mount fs/namespace.c:3578 [inline]
 __se_sys_mount+0xdf/0x390 fs/namespace.c:3565
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3565
 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1382
 inode_doinit_with_dentry+0x884/0xd90 security/selinux/hooks.c:1577
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6496
 security_d_instantiate+0x9e/0xf0 security/security.c:2075
 d_splice_alias+0x6d/0x390 fs/dcache.c:3073
 kernfs_iop_lookup+0x2c2/0x310 fs/kernfs/dir.c:1175
 __lookup_slow+0x2b8/0x410 fs/namei.c:1671
 lookup_slow+0x57/0x70 fs/namei.c:1688
 walk_component+0x326/0x460 fs/namei.c:1984
 lookup_last fs/namei.c:2439 [inline]
 path_lookupat+0x155/0x430 fs/namei.c:2463
 filename_lookup+0x21e/0x550 fs/namei.c:2492
 user_path_at_empty+0x46/0x1c0 fs/namei.c:2891

Memory state around the buggy address:
 ffff88810d44a280: fb fc fc fc fc 05 fc fc fc fc 05 fc fc fc fc fb
 ffff88810d44a300: fc fc fc fc 05 fc fc fc fc 05 fc fc fc fc fb fc
>ffff88810d44a380: fc fc fc fa fc fc fc fc 03 fc fc fc fc fb fc fc
                                           ^
 ffff88810d44a400: fc fc 05 fc fc fc fc 05 fc fc fc fc fb fc fc fc
 ffff88810d44a480: fc fb fc fc fc fc fa fc fc fc fc fb fc fc fc fc
==================================================================