Extracting prog: 5m3.876250132s
Minimizing prog: 34m18.441847116s
Simplifying prog options: 0s
Extracting C: 3m49.10252469s
Simplifying C: 17m40.331815103s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-sendmsg$nl_route-openat$nci-socket$nl_netfilter
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, 0x0}, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)
socket$nl_netfilter(0x10, 0x3, 0xc) (async)

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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-sendmsg$nl_route-openat$nci-socket$nl_netfilter
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, 0x0}, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)
socket$nl_netfilter(0x10, 0x3, 0xc) (async)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-sendmsg$nl_route-openat$nci-socket$nl_netfilter
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, 0x0}, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)
socket$nl_netfilter(0x10, 0x3, 0xc) (async)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-sendmsg$nl_route-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, 0x0}, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-sendmsg$nl_route
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-socket$inet_udp-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_init_net_socket$nl_rdma-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, 0x0, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-sched_setscheduler-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
sched_setscheduler(0x0, 0x1, 0x0) (async)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-prlimit64-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) (async)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$binderfs-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$nci
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (rerun: 32)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=3m54.849575888s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=3m54.849575888s, {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$nci
program did not crash
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): 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=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): 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=3m54.849575888s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): 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 1h18m40.086701758s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 2 UID: 0 PID: 32199 Comm: syz.2.6410 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 register_lock_class+0x5e6/0x7b0 kernel/locking/lockdep.c:1348
 __lock_acquire+0x3e7/0x1ec0 kernel/locking/lockdep.c:5128
 lock_acquire kernel/locking/lockdep.c:5908 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4111
 __flush_workqueue+0x131/0x1200 kernel/workqueue.c:4153
 nci_close_device.isra.0+0xc9/0x4f0 net/nfc/nci/core.c:567
 nci_unregister_device+0x59/0x330 net/nfc/nci/core.c:1330
 virtual_ncidev_close+0x4b/0xa0 drivers/nfc/virtual_ncidev.c:168
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 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:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f28fec
Code: Unable to access opcode bytes at 0xf7f28fc2.
RSP: 002b:00000000ffc77c7c EFLAGS: 00000202 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 2 UID: 0 PID: 32199 Comm: syz.2.6410 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 register_lock_class+0x5e6/0x7b0 kernel/locking/lockdep.c:1348
 __lock_acquire+0x3e7/0x1ec0 kernel/locking/lockdep.c:5128
 lock_acquire kernel/locking/lockdep.c:5908 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4111
 __flush_workqueue+0x131/0x1200 kernel/workqueue.c:4153
 nci_close_device.isra.0+0xc9/0x4f0 net/nfc/nci/core.c:567
 nci_unregister_device+0x59/0x330 net/nfc/nci/core.c:1330
 virtual_ncidev_close+0x4b/0xa0 drivers/nfc/virtual_ncidev.c:168
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 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:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f28fec
Code: Unable to access opcode bytes at 0xf7f28fc2.
RSP: 002b:00000000ffc77c7c EFLAGS: 00000202 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>