Extracting prog: 6m5.685459582s
Minimizing prog: 30m38.486169639s
Simplifying prog options: 12m14.541533962s
Extracting C: 3m21.672286927s
Simplifying C: 0s


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$inet6-ioctl$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: INFO: task hung in addrconf_dad_work
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6
detailed listing:
executing program 0:
socket$inet6(0xa, 0x1, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f00000002c0)={'bridge0\x00', &(0x7f0000000340)=@ethtool_regs={0x4, 0x0, 0x1b, "aede62497cf56c9ab5bfd7b842f6b7ea6b8579d27d9c47d7da09f5"}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=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$inet6-ioctl$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=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$inet6-ioctl$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=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$inet6-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in nl80211_pre_doit
a never seen crash title: INFO: task hung in nl80211_pre_doit, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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
testing program (duration=6m0s, {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
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
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$inet6-ioctl$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: INFO: task hung in addrconf_dad_work
validation run: crashed=true
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$inet6-ioctl$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: INFO: task hung in genl_rcv_msg
validation run: crashed=true
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$inet6-ioctl$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"}})

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program crashed: no output from test machine
validation run: crashed=true
reproducing took 1h11m37.487549562s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):