Extracting prog: 9m32.34481517s
Minimizing prog: 1h3m33.813677878s
Simplifying prog options: 0s
Extracting C: 4m0.919436446s
Simplifying C: 35m6.752946329s


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:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap-write$nci-ioctl$BLKTRACESETUP-openat$nullb-ioctl$BLKTRACESETUP
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
r0 = syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r1=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r1, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
r2 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r3 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r3, 0x0)
write$nci(r2, 0x0, 0x8)
ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f00000021c0)={'\x00', 0x0, 0xf, 0x1e23c38, 0x9, 0x20})
r4 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000100)={'\x00', 0x5a, 0x4, 0x6, 0x73ae, 0x6, 0xffffffffffffffff})

program did not crash
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:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap-write$nci-ioctl$BLKTRACESETUP-openat$nullb-ioctl$BLKTRACESETUP
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
r0 = syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r1=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r1, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
r2 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r3 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r3, 0x0)
write$nci(r2, 0x0, 0x8)
ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f00000021c0)={'\x00', 0x0, 0xf, 0x1e23c38, 0x9, 0x20})
r4 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000100)={'\x00', 0x5a, 0x4, 0x6, 0x73ae, 0x6, 0xffffffffffffffff})

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap-write$nci-ioctl$BLKTRACESETUP-openat$nullb
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
r0 = syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r1=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r1, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
r2 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r3 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r3, 0x0)
write$nci(r2, 0x0, 0x8)
ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f00000021c0)={'\x00', 0x0, 0xf, 0x1e23c38, 0x9, 0x20})
openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap-write$nci-ioctl$BLKTRACESETUP
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
r0 = syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r1=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r1, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
r2 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r3 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r3, 0x0)
write$nci(r2, 0x0, 0x8)
ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f00000021c0)={'\x00', 0x0, 0xf, 0x1e23c38, 0x9, 0x20})

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap-write$nci
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r0=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
r1 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r2 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r2, 0x0)
write$nci(r1, 0x0, 0x8)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open-mmap
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r0=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
r1 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r1, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci-open
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r0=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r0=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-ioctl$DRM_IOCTL_MODE_SETCRTC
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[<r0=>0x0], 0x0, 0x0, 0x0, 0x1})
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, r0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})

program did not crash
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_GETRESOURCES-openat$nci
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_GETRESOURCES(0xffffffffffffffff, 0xc04064a0, &(0x7f00000026c0)={0x0, &(0x7f0000002600)=[0x0], 0x0, 0x0, 0x0, 0x1})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_open_dev$loop-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
syz_open_dev$loop(&(0x7f0000000040), 0x3, 0x68541)
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
socket(0x9, 0x80000, 0x4)
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000000180)={&(0x7f00000000c0)=[0x0], 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "427f4d05618664ecb7f952ed7667675bc32afc7ebbfea1deee1e2e520cc38c6a"}})
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, 0x0)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=7m53.004639682s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=7m53.004639682s, {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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=7m53.004639682s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$DRM_IOCTL_MODE_SETCRTC-openat$nci
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, 0x0)
openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 2h4m1.078409341s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 28293 Comm: syz.1.5440 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 register_lock_class+0x2e8/0x320 kernel/locking/lockdep.c:1332
 __lock_acquire+0x99/0xd20 kernel/locking/lockdep.c:5112
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:3936
 __flush_workqueue+0x121/0x14b0 kernel/workqueue.c:3978
 drain_workqueue+0xd3/0x390 kernel/workqueue.c:4142
 destroy_workqueue+0xbb/0xc70 kernel/workqueue.c:5901
 nci_unregister_device+0x8b/0x240 net/nfc/nci/core.c:1315
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:172
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6876b8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeffe75a88 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000057700 RCX: 00007f6876b8eec9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000002ffe75d7f
R10: 0000001b31f20000 R11: 0000000000000246 R12: 00007f6876de5fac
R13: 00007f6876de5fa0 R14: ffffffffffffffff R15: 0000000000000004
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 28293 Comm: syz.1.5440 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 register_lock_class+0x2e8/0x320 kernel/locking/lockdep.c:1332
 __lock_acquire+0x99/0xd20 kernel/locking/lockdep.c:5112
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:3936
 __flush_workqueue+0x121/0x14b0 kernel/workqueue.c:3978
 drain_workqueue+0xd3/0x390 kernel/workqueue.c:4142
 destroy_workqueue+0xbb/0xc70 kernel/workqueue.c:5901
 nci_unregister_device+0x8b/0x240 net/nfc/nci/core.c:1315
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:172
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6876b8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeffe75a88 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000057700 RCX: 00007f6876b8eec9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000002ffe75d7f
R10: 0000001b31f20000 R11: 0000000000000246 R12: 00007f6876de5fac
R13: 00007f6876de5fa0 R14: ffffffffffffffff R15: 0000000000000004
 </TASK>