Extracting prog: 2m10.638509494s
Minimizing prog: 15m43.416666202s
Simplifying prog options: 0s
Extracting C: 53.395261893s
Simplifying C: 10m40.588577382s


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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)

program did not crash
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-connect$inet-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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}}): connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(0xffffffffffffffff, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(0xffffffffffffffff, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, 0x0, 0x0)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, 0x0, 0x0)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, 0x0, 0x0)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=1m40s, {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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=1m40s, {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-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program did not crash
testing compiled C program (duration=1m40s, {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}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=1m40s, {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}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=1m40s, {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}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program did not crash
testing compiled C program (duration=1m40s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=1m40s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=1m40s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=1m40s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=1m40s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet-sendmsg$xdp
detailed listing:
executing program 0:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 32m24.13245125s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 7255 Comm: syz.3.2185 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1348
 __lock_acquire+0xc0/0x2a6c kernel/locking/lockdep.c:5128
 lock_acquire+0x150/0x370 kernel/locking/lockdep.c:5908
 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4102
 __flush_workqueue+0x114/0xd74 kernel/workqueue.c:4144
 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4308
 destroy_workqueue+0xb4/0x708 kernel/workqueue.c:6146
 __rds_conn_create+0x131c/0x18ec net/rds/connection.c:354
 rds_conn_create_outgoing+0x60/0x7c net/rds/connection.c:377
 rds_sendmsg+0xd0c/0x1c64 net/rds/send.c:1340
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:815
 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713
 ___sys_sendmsg+0x198/0x224 net/socket.c:2767
 __sys_sendmsg+0x158/0x204 net/socket.c:2799
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 7255 Comm: syz.3.2185 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1348
 __lock_acquire+0xc0/0x2a6c kernel/locking/lockdep.c:5128
 lock_acquire+0x150/0x370 kernel/locking/lockdep.c:5908
 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4102
 __flush_workqueue+0x114/0xd74 kernel/workqueue.c:4144
 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4308
 destroy_workqueue+0xb4/0x708 kernel/workqueue.c:6146
 __rds_conn_create+0x131c/0x18ec net/rds/connection.c:354
 rds_conn_create_outgoing+0x60/0x7c net/rds/connection.c:377
 rds_sendmsg+0xd0c/0x1c64 net/rds/send.c:1340
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:815
 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713
 ___sys_sendmsg+0x198/0x224 net/socket.c:2767
 __sys_sendmsg+0x158/0x204 net/socket.c:2799
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590