Extracting prog: 19m41.142865201s
Minimizing prog: 39m14.116260898s
Simplifying prog options: 0s
Extracting C: 5m58.800982767s
Simplifying C: 29m6.140205809s


extracting reproducer from 66 programs
testing a last program of every proc
single: executing 16 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$igmp-setsockopt$MRT_ADD_MFC_PROXY-bpf$PROG_LOAD-socket$igmp-setsockopt$MRT_FLUSH
detailed listing:
executing program 0:
r0 = socket$igmp(0x2, 0x3, 0x2)
setsockopt$MRT_ADD_MFC_PROXY(r0, 0x0, 0xd2, &(0x7f0000000000)={@broadcast, @remote, 0x0, "d009000000000000006404000000dc3f0900000000000000d800000000000400", 0x0, 0x0, 0xfffffd, 0xfffffffd}, 0x3c)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0xa, 0x16, &(0x7f0000000540)=ANY=[@ANYBLOB="61123000000000006113680000000000bf2000000000000015000600071b48013d030100000000009500000000000000bc26000000000000bf67000000000000070300000fff07006702000003000000360600000ee600f0bf050000000000000f650000000000006507f4ff02000000070700004c0040001f75000000000000bf54000000000000070500000300f9ffad430100000000009500000000000000050000000000000095000000000000004d9bd591d568253e9988431ec068e3a83683d58719d72183f2cb7f43dd55788be820b236dcb695dbfd737cbf5fe7030586162c17600674290ca9d8d6413b8199e34f67ceaaa78710f9f8aba4765c91382f497585ca39c595b21afa6bce62b5ab0d44e9c32ad6f0349d92962a58d39494a19a9183362382792ac85578d3de07b7e155cf4ee5e3dd51212d2831bd8e2655b2fbd88791e4c66c832a774919b28b8a62711f0f156e636804e1d3f44a5ff3d63a3a51f0c7ec0c8c25e072194ddd83aa155a537e15c0d91f502deef03f83e826718705c9aef9613ac4a325a428d147c1749196e94226671fd9573ab0d079d44b13b56f793e98ab571c58e98e022f18a3be3f318e0690fff93f44f22473dc8004fc758218349bd3f0516a72a7ea913bfa7603063ed3118b2d680cbc"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, 0x0, 0xfffffffffffffd70}, 0x2d)
r1 = socket$igmp(0x2, 0x3, 0x2)
setsockopt$MRT_FLUSH(r1, 0x0, 0xd4, &(0x7f0000000040)=0xc, 0x4)

program did not crash
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}}): bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$nl_route-mmap-openat$cgroup_ro-openat$cgroup_ro-mmap-openat$cgroup_ro-mmap-mmap-mmap-socket$nl_route-ioctl$sock_SIOCETHTOOL-bpf$MAP_CREATE-bpf$MAP_LOOKUP_BATCH-bpf$MAP_UPDATE_BATCH-socket$inet6_tcp-openat$cgroup_ro-write$cgroup_subtree-mmap-socket$inet-socket$inet-socket$inet-connect$inet-listen-accept4-getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS-setsockopt$inet_int-sendto$inet
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="01000000120000007f00000001"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000580)={{r1}, &(0x7f0000000600), &(0x7f0000000640)=r0, 0xc00}, 0x20) (async)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8000}, 0x4008040)
mmap(&(0x7f0000196000/0x1000)=nil, 0x1000, 0x0, 0x840000000000a132, 0xffffffffffffffff, 0x0) (async)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='freezer.parent_freezing\x00', 0x275a, 0x0) (async, rerun: 32)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000005c0)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0) (rerun: 32)
mmap(&(0x7f0000215000/0x1000)=nil, 0x1000, 0x2000003, 0x6011, r3, 0x0) (async)
r4 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='rdma.current\x00', 0x275a, 0x0)
mmap(&(0x7f0000691000/0x4000)=nil, 0x4000, 0x3, 0x28011, r4, 0x0)
mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x50, r4, 0x1000) (async, rerun: 64)
mmap(&(0x7f00008b7000/0x4000)=nil, 0x4000, 0x0, 0x13, r2, 0x0) (rerun: 64)
socket$nl_route(0x10, 0x3, 0x0) (async)
ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000000)={'veth0_to_bond\x00', &(0x7f0000000040)=@ethtool_sset_info={0x37, 0x4, 0x10}})
r5 = bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@base={0xa, 0x1, 0x3f, 0x40, 0x42}, 0x48)
bpf$MAP_LOOKUP_BATCH(0x18, &(0x7f00000002c0)={0x0, 0x0, 0x0, &(0x7f0000000680)="1a425f3770b268af205c2096cf3a0b353c28019586fa75f943c682a9b3c128851c1c2fe1350a5b994766bce1e24b59d3262ec578e70cb8295b3cee57fb4c161429a2bff8fbf5647da75032c187832a049fea981c7b864465de6bce7661e604adc7fca93f6062578fb4719a710f8870b4586c893ae3d978e64922e14638584262c24a8af7b6ee9678504342", 0x3, r5, 0x4}, 0x38) (async, rerun: 64)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000780)="5d46542b3090ce5ceca970bf8abf170549531f3309044e8b5176033b03b6ffb6877fc1bf93944e8918f7671993d5b56494717c96f1a910bc20b312c4ac1319c04da6b26ab882b4086cb2ac1545cef2003c2f29885496d182cc00eb08067822dfbfa896a37248b990eeeec77445d6f8da", &(0x7f0000000800), 0x1003, r5}, 0x38) (async, rerun: 64)
socket$inet6_tcp(0xa, 0x1, 0x0) (async, rerun: 32)
r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='memory.events\x00', 0x275a, 0x0) (rerun: 32)
write$cgroup_subtree(r6, &(0x7f00000000c0)=ANY=[], 0x3261e) (async)
mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2000001, 0x12, r6, 0x0) (async, rerun: 64)
socket$inet(0x2, 0x800, 0x101) (async, rerun: 64)
r7 = socket$inet(0x2, 0x2, 0x0) (async)
r8 = socket$inet(0xa, 0x801, 0x84)
connect$inet(r6, &(0x7f00000003c0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) (async)
listen(r8, 0x8) (async)
r9 = accept4(r8, 0x0, 0x0, 0x0)
getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000400), &(0x7f0000000440)=0x8) (async, rerun: 32)
setsockopt$inet_int(r7, 0x0, 0x33, &(0x7f0000000300)=0x80000001, 0x4) (async, rerun: 32)
sendto$inet(r7, 0x0, 0x0, 0x200007fd, 0x0, 0x0)

program did not crash
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}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-openat$nci-ioctl$IOCTL_GET_NCIDEV_IDX-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_DISCONNECT
detailed listing:
executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$IOCTL_GET_NCIDEV_IDX(r1, 0x0, &(0x7f0000000080))
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000500)={0x1c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000810)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
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}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-openat$nci-ioctl$IOCTL_GET_NCIDEV_IDX-syz_genetlink_get_family_id$nbd
detailed listing:
executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$IOCTL_GET_NCIDEV_IDX(r0, 0x0, &(0x7f0000000080))
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
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}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-openat$nci-ioctl$IOCTL_GET_NCIDEV_IDX
detailed listing:
executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$IOCTL_GET_NCIDEV_IDX(r0, 0x0, &(0x7f0000000080))

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
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}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic-openat$nci
detailed listing:
executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
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}}): syz_init_net_socket$nl_generic-syz_init_net_socket$nl_generic
detailed listing:
executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

program did not crash
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}}): syz_init_net_socket$nl_generic-openat$nci
detailed listing:
executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
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}}): 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: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$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: 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$nci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {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}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {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}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nci
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 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: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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 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: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}}): openat$nci
detailed listing:
executing program 0:
openat$nci(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 1h48m46.91067134s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 24977 Comm: syz.3.4596 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1376
 __lock_acquire+0x10c/0x2de0 kernel/locking/lockdep.c:5162
 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:4111
 __flush_workqueue+0x148/0x1470 kernel/workqueue.c:4153
 drain_workqueue+0xce/0x380 kernel/workqueue.c:4317
 destroy_workqueue+0xbb/0xc60 kernel/workqueue.c:6155
 nci_unregister_device+0xac/0x250 net/nfc/nci/core.c:1333
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:168
 __fput+0x40d/0xa50 fs/file_table.c:512
 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:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 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:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f087779f559
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:00007fff122ec2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff122ec3e0 RCX: 00007f087779f559
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000000407ab R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2cb20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0877a25fac R14: 00007f0877a25fa8 R15: 00007f0877a25fa0
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 24977 Comm: syz.3.4596 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1376
 __lock_acquire+0x10c/0x2de0 kernel/locking/lockdep.c:5162
 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942
 touch_wq_lockdep_map+0xcb/0x180 kernel/workqueue.c:4111
 __flush_workqueue+0x148/0x1470 kernel/workqueue.c:4153
 drain_workqueue+0xce/0x380 kernel/workqueue.c:4317
 destroy_workqueue+0xbb/0xc60 kernel/workqueue.c:6155
 nci_unregister_device+0xac/0x250 net/nfc/nci/core.c:1333
 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:168
 __fput+0x40d/0xa50 fs/file_table.c:512
 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:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 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:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f087779f559
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:00007fff122ec2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff122ec3e0 RCX: 00007f087779f559
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000000407ab R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2cb20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0877a25fac R14: 00007f0877a25fa8 R15: 00007f0877a25fa0
 </TASK>