Extracting prog: 4m56.458646887s
Minimizing prog: 46m59.124596297s
Simplifying prog options: 0s
Extracting C: 2m13.764760875s
Simplifying C: 16m18.777914059s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR-openat$cgroup_int-openat$sequencer2-syz_open_dev$usbmon-close_range
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
r1 = io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000080)='hugetlb.1GB.rsvd.limit_in_bytes\x00', 0x2, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x42400, 0x0)
syz_open_dev$usbmon(&(0x7f0000000000), 0xf4, 0x8800)
close_range(r1, 0xffffffffffffffff, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR-openat$cgroup_int-openat$sequencer2-syz_open_dev$usbmon-close_range
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
r1 = io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000080)='hugetlb.1GB.rsvd.limit_in_bytes\x00', 0x2, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x42400, 0x0)
syz_open_dev$usbmon(&(0x7f0000000000), 0xf4, 0x8800)
close_range(r1, 0xffffffffffffffff, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR-openat$cgroup_int-openat$sequencer2-syz_open_dev$usbmon
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000080)='hugetlb.1GB.rsvd.limit_in_bytes\x00', 0x2, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x42400, 0x0)
syz_open_dev$usbmon(&(0x7f0000000000), 0xf4, 0x8800)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR-openat$cgroup_int-openat$sequencer2
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000080)='hugetlb.1GB.rsvd.limit_in_bytes\x00', 0x2, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x42400, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR-openat$cgroup_int
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000080)='hugetlb.1GB.rsvd.limit_in_bytes\x00', 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit-syz_open_dev$MSR
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup-socket$nl_audit
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)
socket$nl_audit(0x10, 0x3, 0x9)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci-io_uring_setup
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)
io_uring_setup(0x2d58, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU-openat$nci
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-sendmsg$nl_route-openat$nci
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x20000000)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-socket$nl_route-openat$nci
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_open_dev$sndpcmp-openat$nci
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
syz_open_dev$sndpcmp(0x0, 0x0, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-openat$nci
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x1)
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {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$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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, &(0x7f00000011c0), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 1h18m14.60360336s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 15243 Comm: syz.3.2402 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2a9/0x2e0 kernel/locking/lockdep.c:1332
 __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112
 lock_acquire+0x106/0x330 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:3940
 __flush_workqueue+0x14b/0x14f0 kernel/workqueue.c:3982
 drain_workqueue+0xd3/0x390 kernel/workqueue.c:4146
 destroy_workqueue+0xbb/0xc60 kernel/workqueue.c:5903
 nci_unregister_device+0xd4/0x260 net/nfc/nci/core.c:1318
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:168
 __fput+0x44f/0xa70 fs/file_table.c:468
 task_work_run+0x1d9/0x270 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:44 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f710e79aeb9
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:00007fff6d9d25c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff6d9d26b0 RCX: 00007f710e79aeb9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000043b42 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b30f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f710ea15fac R14: 00007f710ea15fa8 R15: 00007f710ea15fa0
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 15243 Comm: syz.3.2402 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2a9/0x2e0 kernel/locking/lockdep.c:1332
 __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112
 lock_acquire+0x106/0x330 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:3940
 __flush_workqueue+0x14b/0x14f0 kernel/workqueue.c:3982
 drain_workqueue+0xd3/0x390 kernel/workqueue.c:4146
 destroy_workqueue+0xbb/0xc60 kernel/workqueue.c:5903
 nci_unregister_device+0xd4/0x260 net/nfc/nci/core.c:1318
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:168
 __fput+0x44f/0xa70 fs/file_table.c:468
 task_work_run+0x1d9/0x270 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:44 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f710e79aeb9
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:00007fff6d9d25c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff6d9d26b0 RCX: 00007f710e79aeb9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000043b42 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b30f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f710ea15fac R14: 00007f710ea15fa8 R15: 00007f710ea15fa0
 </TASK>