Extracting prog: 7m45.631094065s
Minimizing prog: 1h18m51.167259083s
Simplifying prog options: 15m41.085318221s
Extracting C: 5m10.89395515s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-syz_genetlink_get_family_id$nfc-syz_init_net_socket$nfc_llcp-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
syz_genetlink_get_family_id$nfc(0x0, r3)
syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-syz_genetlink_get_family_id$nfc-syz_init_net_socket$nfc_llcp-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
syz_genetlink_get_family_id$nfc(0x0, r3)
syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-syz_genetlink_get_family_id$nfc-syz_init_net_socket$nfc_llcp-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
syz_genetlink_get_family_id$nfc(0x0, r3)
syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 17 syscalls
minimizing guilty program
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-syz_genetlink_get_family_id$nfc-syz_init_net_socket$nfc_llcp
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
syz_genetlink_get_family_id$nfc(0x0, r3)
syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1)

program did not crash
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-syz_genetlink_get_family_id$nfc-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
syz_genetlink_get_family_id$nfc(0x0, r3)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$ieee802154(0x0, r3)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-syz_init_net_socket$nl_generic-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-sendmsg$inet-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x12cd)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-setsockopt$sock_attach_bpf-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, 0x0, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-write$cgroup_devices-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r2 = openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
write$cgroup_devices(r2, 0x0, 0xa)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_devices-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
openat$cgroup_devices(r1, 0x0, 0x2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$cgroup_root-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-mkdirat$cgroup_root-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-mkdirat$cgroup_root-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$cgroup_ro-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-sendmsg$inet-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
r0 = socket$kcm(0x2, 0x200000000000001, 0x0)
sendmsg$inet(r0, 0x0, 0x3000c085)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socket$kcm-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
socket$kcm(0x2, 0x200000000000001, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-openat$nci
detailed listing:
executing program 0:
socket$kcm(0x2, 0x200000000000001, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m35.753536965s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
extracting C reproducer
testing compiled C program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program did not crash
testing program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m35.753536965s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 1h58m3.452807874s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 23341 Comm: syz.2.12309 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1332
 __lock_acquire+0xc0/0x2f44 kernel/locking/lockdep.c:5112
 lock_acquire+0x140/0x368 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4017
 __flush_workqueue+0x110/0xd9c kernel/workqueue.c:4059
 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4223
 destroy_workqueue+0xb0/0x6c4 kernel/workqueue.c:6028
 nci_unregister_device+0xb0/0x238 net/nfc/nci/core.c:1333
 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:168
 __fput+0x340/0x744 fs/file_table.c:510
 ____fput+0x20/0x30 fs/file_table.c:538
 task_work_run+0x1c4/0x254 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x10c/0x17c kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:224 [inline]
 arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:86 [inline]
 el0_svc+0x180/0x25c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 23341 Comm: syz.2.12309 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1332
 __lock_acquire+0xc0/0x2f44 kernel/locking/lockdep.c:5112
 lock_acquire+0x140/0x368 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4017
 __flush_workqueue+0x110/0xd9c kernel/workqueue.c:4059
 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4223
 destroy_workqueue+0xb0/0x6c4 kernel/workqueue.c:6028
 nci_unregister_device+0xb0/0x238 net/nfc/nci/core.c:1333
 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:168
 __fput+0x340/0x744 fs/file_table.c:510
 ____fput+0x20/0x30 fs/file_table.c:538
 task_work_run+0x1c4/0x254 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x10c/0x17c kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:224 [inline]
 arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:86 [inline]
 el0_svc+0x180/0x25c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594