Extracting prog: 2m37.347852533s
Minimizing prog: 15m7.986672003s
Simplifying prog options: 0s
Extracting C: 1m6.84219954s
Simplifying C: 42m38.426399881s


extracting reproducer from 1 programs
testing a last program of every proc
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$netlink-socket$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program crashed: BUG: workqueue lockup in nsim_fib_event_work
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=2m39.115808014s, {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$netlink-socket$inet6
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
socket$inet6(0xa, 0x1, 0x0)

program did not crash
testing program (duration=2m39.115808014s, {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$netlink-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
testing program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program crashed: BUG: workqueue lockup
testing program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, 0x0)

program did not crash
testing program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', 0x0})

program did not crash
testing program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs})

program did not crash
extracting C reproducer
testing compiled C program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
program crashed: BUG: workqueue lockup
simplifying C reproducer
testing compiled C program (duration=2m39.115808014s, {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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true 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$inet6-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
testing compiled C program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
program crashed: BUG: workqueue lockup
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:false 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$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_SIOCETHTOOL
program crashed: BUG: workqueue lockup in wg_packet_handshake_receive_worker
a never seen crash title: BUG: workqueue lockup in wg_packet_handshake_receive_worker, ignore
testing compiled C program (duration=2m39.115808014s, {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:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_SIOCETHTOOL
program did not crash
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
validation run: crashed=false
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program crashed: BUG: workqueue lockup in mld_ifc_work
validation run: crashed=true
testing program (duration=2m39.115808014s, {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:false 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$inet6-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program crashed: BUG: workqueue lockup
validation run: crashed=true
reproducing took 1h30m20.115620043s
repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 32s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=6 refcnt=7
    pending: switchdev_deferred_process_work, 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=19 refcnt=20
    in-flight: 26:nsim_fib_event_work for 83s ,1090:nsim_fib_event_work for 73s
    pending: 2*nsim_dev_hwstats_traffic_work, pcpu_balance_workfn, 2*psi_avgs_work, reg_todo, drm_fb_helper_damage_work, 2*ovs_dp_masks_rebalance, 4*nsim_fib_event_work, 4*ovs_dp_masks_rebalance
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13
    in-flight: 136:cfg80211_wiphy_work for 82s cfg80211_wiphy_work ,41:nsim_dev_trap_report_work for 31s ,5007:cfg80211_wiphy_work for 79s cfg80211_wiphy_work ,5008:cfg80211_wiphy_work for 79s cfg80211_wiphy_work
    pending: 2*macvlan_process_broadcast, nsim_dev_trap_report_work, 2*macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=17 refcnt=18
    in-flight: 921:cfg80211_wiphy_work for 80s cfg80211_wiphy_work ,13:cfg80211_wiphy_work for 74s cfg80211_wiphy_work ,2770:cfg80211_wiphy_work for 80s cfg80211_wiphy_work ,59:cfg80211_wiphy_work for 64s cfg80211_wiphy_work ,1832:cfg80211_wiphy_work for 79s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work, toggle_allocation_gate, macvlan_process_broadcast, nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    pending: neigh_managed_work, neigh_periodic_work, wg_ratelimiter_gc_entries, gc_worker, reg_check_chans_work, do_cache_clean
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: fb_flashcursor, neigh_periodic_work, neigh_managed_work
workqueue events_dfl_long: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    in-flight: 5006:defense_work_handler for 27s
    pending: 5*defense_work_handler
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 12:cleanup_net for 86s
workqueue mm_percpu_wq: flags=0x108
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 33(RESCUER):wb_workfn for 73s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=117 MAYDAY
    pending: mld_ifc_work
    inactive: 6*mld_ifc_work, mld_dad_work, mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, 3*mld_dad_work, 11*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 6*mld_ifc_work, 4*mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 7*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 35*mld_dad_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=119
    in-flight: 24:mld_dad_work for 32s
    inactive: 8*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 7*mld_ifc_work, 3*mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 64*mld_dad_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=147 MAYDAY
    in-flight: 2825(RESCUER):addrconf_dad_work for 3s
    pending: mayday_cursor_func
    inactive: 141*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=51 MAYDAY
    in-flight: 2857(RESCUER):batadv_tt_purge for 15s
    pending: mayday_cursor_func
    inactive: 3*batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_tt_purge, batadv_mcast_mla_update, batadv_tt_purge
workqueue wg-kex-wg0: flags=0x124
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 4822(RESCUER):wg_packet_decrypt_worker for 0s
    pending: mayday_cursor_func
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3
    in-flight: 1195:wg_packet_handshake_receive_worker for 63s
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=4 MAYDAY
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4

final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 32s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=6 refcnt=7
    pending: switchdev_deferred_process_work, 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=19 refcnt=20
    in-flight: 26:nsim_fib_event_work for 83s ,1090:nsim_fib_event_work for 73s
    pending: 2*nsim_dev_hwstats_traffic_work, pcpu_balance_workfn, 2*psi_avgs_work, reg_todo, drm_fb_helper_damage_work, 2*ovs_dp_masks_rebalance, 4*nsim_fib_event_work, 4*ovs_dp_masks_rebalance
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13
    in-flight: 136:cfg80211_wiphy_work for 82s cfg80211_wiphy_work ,41:nsim_dev_trap_report_work for 31s ,5007:cfg80211_wiphy_work for 79s cfg80211_wiphy_work ,5008:cfg80211_wiphy_work for 79s cfg80211_wiphy_work
    pending: 2*macvlan_process_broadcast, nsim_dev_trap_report_work, 2*macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=17 refcnt=18
    in-flight: 921:cfg80211_wiphy_work for 80s cfg80211_wiphy_work ,13:cfg80211_wiphy_work for 74s cfg80211_wiphy_work ,2770:cfg80211_wiphy_work for 80s cfg80211_wiphy_work ,59:cfg80211_wiphy_work for 64s cfg80211_wiphy_work ,1832:cfg80211_wiphy_work for 79s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work, toggle_allocation_gate, macvlan_process_broadcast, nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    pending: neigh_managed_work, neigh_periodic_work, wg_ratelimiter_gc_entries, gc_worker, reg_check_chans_work, do_cache_clean
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: fb_flashcursor, neigh_periodic_work, neigh_managed_work
workqueue events_dfl_long: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    in-flight: 5006:defense_work_handler for 27s
    pending: 5*defense_work_handler
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 12:cleanup_net for 86s
workqueue mm_percpu_wq: flags=0x108
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 33(RESCUER):wb_workfn for 73s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=117 MAYDAY
    pending: mld_ifc_work
    inactive: 6*mld_ifc_work, mld_dad_work, mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, 3*mld_dad_work, 11*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 6*mld_ifc_work, 4*mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 7*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 35*mld_dad_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=119
    in-flight: 24:mld_dad_work for 32s
    inactive: 8*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 7*mld_ifc_work, 3*mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 64*mld_dad_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=147 MAYDAY
    in-flight: 2825(RESCUER):addrconf_dad_work for 3s
    pending: mayday_cursor_func
    inactive: 141*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=51 MAYDAY
    in-flight: 2857(RESCUER):batadv_tt_purge for 15s
    pending: mayday_cursor_func
    inactive: 3*batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_tt_purge, batadv_mcast_mla_update, batadv_tt_purge
workqueue wg-kex-wg0: flags=0x124
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 4822(RESCUER):wg_packet_decrypt_worker for 0s
    pending: mayday_cursor_func
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3
    in-flight: 1195:wg_packet_handshake_receive_worker for 63s
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=4 MAYDAY
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4