Extracting prog: 4m56.709096128s Minimizing prog: 36m40.603101572s Simplifying prog options: 0s Extracting C: 3m11.73633568s Simplifying C: 1h9m4.039766231s 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program crashed: INFO: task hung in corrupted single: successfully extracted reproducer found reproducer with 4 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) socket$nl_generic(0x10, 0x3, 0x10) 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$packet-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a2, &(0x7f0000000200)='bridge0\x00') 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$packet-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: socket$packet(0x11, 0x2, 0x300) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r0, 0x89a2, &(0x7f0000000200)='bridge0\x00') 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$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r0, 0x89a2, &(0x7f0000000200)='bridge0\x00') 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, 0x0) 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted simplifying C reproducer testing compiled C 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program crashed: INFO: task hung in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program crashed: INFO: task hung in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR detailed listing: executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00'}) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCBRDELBR(r1, 0x89a2, &(0x7f0000000200)='bridge0\x00') program crashed: INFO: task hung in corrupted validation run: crashed=true reproducing took 2h19m25.212948784s repro crashed as (corrupted=true): INFO: task kworker/u8:7:1087 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:7 state:D stack:22952 pid:1087 tgid:1087 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6908 __schedule_loop kernel/sched/core.c:6990 [inline] schedule+0x164/0x360 kernel/sched/core.c:7005 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7062 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: INFO: task hung in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-ioctl$sock_SIOCBRDELBR program crashed: no output from test machine final repro crashed as (corrupted=false):