Extracting prog: 8m28.441382693s
Minimizing prog: 1h2m30.200858158s
Simplifying prog options: 17m28.77338179s
Extracting C: 5m53.575642516s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00'})
socket$netlink(0x10, 0x3, 0x0)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8}, @IFLA_MASTER={0x8, 0x1f}]}, 0x44}}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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}}): ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r0=>0x0})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r0}, @IFLA_MASTER={0x8, 0x1f, r0}]}, 0x44}}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8}, @IFLA_MASTER={0x8, 0x1f}]}, 0x44}}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, 0x0, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x4)

program did not crash
testing program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x20, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}}, 0x20}}, 0x4)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m50.321418148s, {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$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
program did not crash
simplifying guilty program options
testing program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
extracting C reproducer
testing compiled C program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
program did not crash
testing program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
extracting C reproducer
testing compiled C program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m50.321418148s, {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}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'vlan0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@newlink={0x44, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe315}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvtap={{0xc}, {0x1020703971be172d}}}, @IFLA_LINK={0x8, 0x5, r1}, @IFLA_MASTER={0x8, 0x1f, r1}]}, 0x44}}, 0x4)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 1h38m16.485060461s
repro crashed as (corrupted=false):
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 57 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: netns cleanup_net
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+0x106/0x350 kernel/locking/lockdep.c:5868
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182
 spin_lock_bh include/linux/spinlock.h:348 [inline]
 dev_reset_queue+0x138/0x1b0 include/net/sch_generic.h:738
 netdev_for_each_tx_queue include/linux/netdevice.h:2709 [inline]
 dev_deactivate_many+0x72a/0xd40 net/sched/sch_generic.c:1372
 __dev_close_many+0x180/0x6e0 net/core/dev.c:1760
 netif_close_many+0x225/0x420 net/core/dev.c:1801
 unregister_netdevice_many_notify+0xb50/0x22c0 net/core/dev.c:12395
 unregister_netdevice_many net/core/dev.c:12488 [inline]
 default_device_exit_batch+0x981/0xa00 net/core/dev.c:13080
 ops_exit_list net/core/net_namespace.c:205 [inline]
 ops_undo_list+0x52b/0x940 net/core/net_namespace.c:252
 cleanup_net+0x56b/0x800 net/core/net_namespace.c:702
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
vlan0: left allmulticast mode
veth0_vlan: left allmulticast mode
vlan0: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode

final repro crashed as (corrupted=false):
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 57 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: netns cleanup_net
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+0x106/0x350 kernel/locking/lockdep.c:5868
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182
 spin_lock_bh include/linux/spinlock.h:348 [inline]
 dev_reset_queue+0x138/0x1b0 include/net/sch_generic.h:738
 netdev_for_each_tx_queue include/linux/netdevice.h:2709 [inline]
 dev_deactivate_many+0x72a/0xd40 net/sched/sch_generic.c:1372
 __dev_close_many+0x180/0x6e0 net/core/dev.c:1760
 netif_close_many+0x225/0x420 net/core/dev.c:1801
 unregister_netdevice_many_notify+0xb50/0x22c0 net/core/dev.c:12395
 unregister_netdevice_many net/core/dev.c:12488 [inline]
 default_device_exit_batch+0x981/0xa00 net/core/dev.c:13080
 ops_exit_list net/core/net_namespace.c:205 [inline]
 ops_undo_list+0x52b/0x940 net/core/net_namespace.c:252
 cleanup_net+0x56b/0x800 net/core/net_namespace.c:702
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
vlan0: left allmulticast mode
veth0_vlan: left allmulticast mode
vlan0: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode