Extracting prog: 1m10.15740834s
Minimizing prog: 16m29.108307001s
Simplifying prog options: 0s
Extracting C: 1m7.126533357s
Simplifying C: 7m39.778021169s


extracting reproducer from 30 programs
first checking the prog from the crash report
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$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000340)=@ipv4_newaddr={0x20, 0x14, 0x1, 0x70bd28, 0x25dfdbfc, {0x2, 0x20, 0x1, 0x0, r2}, [@IFA_LOCAL={0x8, 0x2, @local}]}, 0x20}}, 0x40000c0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000380)=@newlink={0x40, 0x10, 0x503, 0x70bd2a, 0x700, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3806}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @gre={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x40}}, 0x0)

program crashed: kernel BUG in pskb_expand_head
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=45.200823876s, {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$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)
sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000340)=@ipv4_newaddr={0x20, 0x14, 0x1, 0x70bd28, 0x25dfdbfc, {0x2, 0x20, 0x1, 0x0, r2}, [@IFA_LOCAL={0x8, 0x2, @local}]}, 0x20}}, 0x40000c0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=45.200823876s, {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$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=45.200823876s, {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$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-getsockname$packet
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
getsockname$packet(r0, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-sendmsg$NL80211_CMD_CRIT_PROTOCOL_START-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NL80211_CMD_CRIT_PROTOCOL_START(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0, 0x1c}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=45.200823876s, {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$netlink-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
getsockname$packet(0xffffffffffffffff, &(0x7f0000000600)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r1, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
getsockname$packet(r0, &(0x7f0000000600)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r1, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, 0x0, &(0x7f0000000080))
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, 0x0, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB], 0x3c}}, 0x40000)

program did not crash
testing program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB, @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.200823876s, {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$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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$netlink-socket-getsockname$packet-sendmsg$nl_route
program did not crash
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=45.200823876s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
getsockname$packet(r1, &(0x7f0000000600)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="3c0000001000850600000000ff6122314a000800", @ANYRES32=r2, @ANYBLOB="f5ff0f00252155b21c0012000c000100626f6e64000000000c0002000800010001"], 0x3c}}, 0x40000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 29m37.809042955s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: events_unbound linkwatch_event
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 register_lock_class+0x504/0x694 kernel/locking/lockdep.c:1319
 __lock_acquire+0x164/0x6800 kernel/locking/lockdep.c:4928
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 dev_reset_queue+0x104/0x1f0 include/net/sch_generic.h:681
 netdev_for_each_tx_queue include/linux/netdevice.h:2465 [inline]
 dev_deactivate_many+0x530/0xa84 net/sched/sch_generic.c:1349
 dev_deactivate+0x114/0x1b0 net/sched/sch_generic.c:1372
 linkwatch_do_dev+0x100/0x1a0 net/core/link_watch.c:166
 __linkwatch_run_queue+0x35c/0x638 net/core/link_watch.c:221
 linkwatch_event+0x58/0x68 net/core/link_watch.c:264
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: events_unbound linkwatch_event
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 register_lock_class+0x504/0x694 kernel/locking/lockdep.c:1319
 __lock_acquire+0x164/0x6800 kernel/locking/lockdep.c:4928
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 dev_reset_queue+0x104/0x1f0 include/net/sch_generic.h:681
 netdev_for_each_tx_queue include/linux/netdevice.h:2465 [inline]
 dev_deactivate_many+0x530/0xa84 net/sched/sch_generic.c:1349
 dev_deactivate+0x114/0x1b0 net/sched/sch_generic.c:1372
 linkwatch_do_dev+0x100/0x1a0 net/core/link_watch.c:166
 __linkwatch_run_queue+0x35c/0x638 net/core/link_watch.c:221
 linkwatch_event+0x58/0x68 net/core/link_watch.c:264
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850