Extracting prog: 5m38.144913136s Minimizing prog: 34m11.578520791s Simplifying prog options: 13m51.718999138s Extracting C: 5m11.265450898s Simplifying C: 0s 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}}): syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000001340)={@broadcast, @link_local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "122d92", 0x28, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @remote, @private1}}}}}}, 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}}): syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000001340)={@broadcast, @link_local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "122d92", 0x28, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @remote, @private1}}}}}}, 0x0) program did not crash single: failed to extract reproducer 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}}): syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000001340)={@broadcast, @link_local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "122d92", 0x28, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @remote, @private1}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0x0, 0x0, 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xa8, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x72, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {}]}}}}}}, 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xa2, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x6c, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x28, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 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}}): syz_emit_ethernet program crashed: no output from test machine a never seen crash title: no output from test machine, 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free extracting 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}}): syz_emit_ethernet program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program did not crash validation run: crashed=false 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}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0xae, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x78, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af1803"}, {0x0, 0x1, "00e9ff06ffffaf64000000a2"}, {0x0, 0x1, "fe906d26efe3"}]}}}}}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true reproducing took 1h45m3.852384333s repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 352 ref_tracker: netdev@000000006b83e3e3 has 339/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 rt6_add_route_info+0x18c/0x230 net/ipv6/route.c:4440 rt6_route_rcv+0x374/0x5d0 net/ipv6/route.c:1028 ndisc_router_discovery+0xf08/0x3500 net/ipv6/ndisc.c:1525 ndisc_rcv+0x40c/0x730 net/ipv6/ndisc.c:1843 icmpv6_rcv+0xfb4/0x18b4 net/ipv6/icmp.c:1193 ip6_protocol_deliver_rcu+0x808/0x12e0 net/ipv6/ip6_input.c:479 ip6_input_finish+0x154/0x34c net/ipv6/ip6_input.c:534 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ip6_input+0x17c/0x29c net/ipv6/ip6_input.c:545 ip6_mc_input+0x5f8/0xa9c net/ipv6/ip6_input.c:635 dst_input include/net/dst.h:480 [inline] ip6_rcv_finish+0x1e0/0x204 net/ipv6/ip6_input.c:119 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ref_tracker: netdev@000000006b83e3e3 has 2/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] dst_init+0xbc/0x42c net/core/dst.c:52 dst_alloc+0x118/0x15c net/core/dst.c:94 ip6_dst_alloc+0x38/0xc8 net/ipv6/route.c:342 ip6_rt_pcpu_alloc net/ipv6/route.c:1423 [inline] rt6_make_pcpu_route net/ipv6/route.c:1472 [inline] ip6_pol_route+0x79c/0xf50 net/ipv6/route.c:2330 ip6_pol_route_input+0x74/0x98 net/ipv6/route.c:2351 pol_lookup_func include/net/ip6_fib.h:667 [inline] fib6_rule_lookup+0x198/0x474 net/ipv6/fib6_rules.c:123 ip6_route_input_lookup+0xa8/0xdc net/ipv6/route.c:2363 ip6_route_input+0x56c/0x854 net/ipv6/route.c:2666 ip6_rcv_finish_core+0x200/0x3a4 net/ipv6/ip6_input.c:106 ip6_rcv_finish+0x120/0x204 net/ipv6/ip6_input.c:117 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:351 __netif_receive_skb_one_core+0xc8/0x110 net/core/dev.c:6206 __netif_receive_skb+0x34/0x128 net/core/dev.c:6319 netif_receive_skb_internal net/core/dev.c:6405 [inline] netif_receive_skb+0x1e0/0xad0 net/core/dev.c:6464 tun_rx_batched+0x180/0x620 drivers/net/tun.c:1518 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] dst_init+0xbc/0x42c net/core/dst.c:52 dst_alloc+0x118/0x15c net/core/dst.c:94 rt_dst_alloc+0x4c/0x240 net/ipv4/route.c:1649 __mkroute_output net/ipv4/route.c:2652 [inline] ip_route_output_key_hash_rcu+0x108c/0x1c20 net/ipv4/route.c:2872 ip_route_output_key_hash+0x180/0x2a0 net/ipv4/route.c:2702 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x3c/0x158 net/ipv4/route.c:2929 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config+0x16c/0x544 drivers/net/geneve.c:2262 geneve_newlink+0x1b8/0x218 drivers/net/geneve.c:2321 rtnl_newlink_create+0x290/0x764 net/core/rtnetlink.c:3913 __rtnl_newlink net/core/rtnetlink.c:4044 [inline] rtnl_newlink+0xdc4/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_prefix_route+0x1f4/0x2b8 net/ipv6/addrconf.c:2504 addrconf_add_linklocal+0x238/0x378 net/ipv6/addrconf.c:3336 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4706 ipv6_add_addr+0x484/0xdb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x1e0/0x378 net/ipv6/addrconf.c:3334 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_add_mroute+0x14c/0x1d0 net/ipv6/addrconf.c:2568 addrconf_add_dev+0xe4/0x188 net/ipv6/addrconf.c:2586 addrconf_dev_config net/ipv6/addrconf.c:3507 [inline] addrconf_init_auto_addrs+0x304/0x764 net/ipv6/addrconf.c:3595 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_prefix_route+0x1f4/0x2b8 net/ipv6/addrconf.c:2504 fixup_permanent_addr net/ipv6/addrconf.c:3626 [inline] addrconf_permanent_addr+0x590/0x80c net/ipv6/addrconf.c:3662 addrconf_notify+0x690/0xbe8 net/ipv6/addrconf.c:3729 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4706 fixup_permanent_addr net/ipv6/addrconf.c:3611 [inline] addrconf_permanent_addr+0x3b8/0x80c net/ipv6/addrconf.c:3662 addrconf_notify+0x690/0xbe8 net/ipv6/addrconf.c:3729 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1259 [inline] fib_check_nh+0x9a0/0x15a8 net/ipv4/fib_semantics.c:1279 fib_create_info+0x1428/0x2184 net/ipv4/fib_semantics.c:1499 fib_table_insert+0xa4/0x12c0 net/ipv4/fib_trie.c:1212 fib_magic+0x26c/0x344 net/ipv4/fib_frontend.c:1128 fib_add_ifaddr+0x330/0x500 net/ipv4/fib_frontend.c:1172 fib_netdev_event+0x35c/0x49c net/ipv4/fib_frontend.c:1510 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1259 [inline] fib_check_nh+0x9a0/0x15a8 net/ipv4/fib_semantics.c:1279 fib_create_info+0x1428/0x2184 net/ipv4/fib_semantics.c:1499 fib_table_insert+0xa4/0x12c0 net/ipv4/fib_trie.c:1212 fib_magic+0x26c/0x344 net/ipv4/fib_frontend.c:1128 fib_add_ifaddr+0x2e0/0x500 net/ipv4/fib_frontend.c:1165 fib_netdev_event+0x35c/0x49c net/ipv4/fib_frontend.c:1510 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 skipped reports about 2/351 users. final repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 352 ref_tracker: netdev@000000006b83e3e3 has 339/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 rt6_add_route_info+0x18c/0x230 net/ipv6/route.c:4440 rt6_route_rcv+0x374/0x5d0 net/ipv6/route.c:1028 ndisc_router_discovery+0xf08/0x3500 net/ipv6/ndisc.c:1525 ndisc_rcv+0x40c/0x730 net/ipv6/ndisc.c:1843 icmpv6_rcv+0xfb4/0x18b4 net/ipv6/icmp.c:1193 ip6_protocol_deliver_rcu+0x808/0x12e0 net/ipv6/ip6_input.c:479 ip6_input_finish+0x154/0x34c net/ipv6/ip6_input.c:534 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ip6_input+0x17c/0x29c net/ipv6/ip6_input.c:545 ip6_mc_input+0x5f8/0xa9c net/ipv6/ip6_input.c:635 dst_input include/net/dst.h:480 [inline] ip6_rcv_finish+0x1e0/0x204 net/ipv6/ip6_input.c:119 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ref_tracker: netdev@000000006b83e3e3 has 2/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] dst_init+0xbc/0x42c net/core/dst.c:52 dst_alloc+0x118/0x15c net/core/dst.c:94 ip6_dst_alloc+0x38/0xc8 net/ipv6/route.c:342 ip6_rt_pcpu_alloc net/ipv6/route.c:1423 [inline] rt6_make_pcpu_route net/ipv6/route.c:1472 [inline] ip6_pol_route+0x79c/0xf50 net/ipv6/route.c:2330 ip6_pol_route_input+0x74/0x98 net/ipv6/route.c:2351 pol_lookup_func include/net/ip6_fib.h:667 [inline] fib6_rule_lookup+0x198/0x474 net/ipv6/fib6_rules.c:123 ip6_route_input_lookup+0xa8/0xdc net/ipv6/route.c:2363 ip6_route_input+0x56c/0x854 net/ipv6/route.c:2666 ip6_rcv_finish_core+0x200/0x3a4 net/ipv6/ip6_input.c:106 ip6_rcv_finish+0x120/0x204 net/ipv6/ip6_input.c:117 NF_HOOK+0x308/0x398 include/linux/netfilter.h:318 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:351 __netif_receive_skb_one_core+0xc8/0x110 net/core/dev.c:6206 __netif_receive_skb+0x34/0x128 net/core/dev.c:6319 netif_receive_skb_internal net/core/dev.c:6405 [inline] netif_receive_skb+0x1e0/0xad0 net/core/dev.c:6464 tun_rx_batched+0x180/0x620 drivers/net/tun.c:1518 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] dst_init+0xbc/0x42c net/core/dst.c:52 dst_alloc+0x118/0x15c net/core/dst.c:94 rt_dst_alloc+0x4c/0x240 net/ipv4/route.c:1649 __mkroute_output net/ipv4/route.c:2652 [inline] ip_route_output_key_hash_rcu+0x108c/0x1c20 net/ipv4/route.c:2872 ip_route_output_key_hash+0x180/0x2a0 net/ipv4/route.c:2702 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x3c/0x158 net/ipv4/route.c:2929 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config+0x16c/0x544 drivers/net/geneve.c:2262 geneve_newlink+0x1b8/0x218 drivers/net/geneve.c:2321 rtnl_newlink_create+0x290/0x764 net/core/rtnetlink.c:3913 __rtnl_newlink net/core/rtnetlink.c:4044 [inline] rtnl_newlink+0xdc4/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:790 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_prefix_route+0x1f4/0x2b8 net/ipv6/addrconf.c:2504 addrconf_add_linklocal+0x238/0x378 net/ipv6/addrconf.c:3336 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4706 ipv6_add_addr+0x484/0xdb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x1e0/0x378 net/ipv6/addrconf.c:3334 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_add_mroute+0x14c/0x1d0 net/ipv6/addrconf.c:2568 addrconf_add_dev+0xe4/0x188 net/ipv6/addrconf.c:2586 addrconf_dev_config net/ipv6/addrconf.c:3507 [inline] addrconf_init_auto_addrs+0x304/0x764 net/ipv6/addrconf.c:3595 addrconf_notify+0x7a0/0xbe8 net/ipv6/addrconf.c:3775 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 ip6_route_add+0x8c/0x1b4 net/ipv6/route.c:3966 addrconf_prefix_route+0x1f4/0x2b8 net/ipv6/addrconf.c:2504 fixup_permanent_addr net/ipv6/addrconf.c:3626 [inline] addrconf_permanent_addr+0x590/0x80c net/ipv6/addrconf.c:3662 addrconf_notify+0x690/0xbe8 net/ipv6/addrconf.c:3729 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_tracker_alloc include/linux/netdevice.h:4511 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1027 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4706 fixup_permanent_addr net/ipv6/addrconf.c:3611 [inline] addrconf_permanent_addr+0x3b8/0x80c net/ipv6/addrconf.c:3662 addrconf_notify+0x690/0xbe8 net/ipv6/addrconf.c:3729 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1259 [inline] fib_check_nh+0x9a0/0x15a8 net/ipv4/fib_semantics.c:1279 fib_create_info+0x1428/0x2184 net/ipv4/fib_semantics.c:1499 fib_table_insert+0xa4/0x12c0 net/ipv4/fib_trie.c:1212 fib_magic+0x26c/0x344 net/ipv4/fib_frontend.c:1128 fib_add_ifaddr+0x330/0x500 net/ipv4/fib_frontend.c:1172 fib_netdev_event+0x35c/0x49c net/ipv4/fib_frontend.c:1510 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 has 1/351 users at __netdev_tracker_alloc include/linux/netdevice.h:4499 [inline] netdev_hold include/linux/netdevice.h:4528 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1259 [inline] fib_check_nh+0x9a0/0x15a8 net/ipv4/fib_semantics.c:1279 fib_create_info+0x1428/0x2184 net/ipv4/fib_semantics.c:1499 fib_table_insert+0xa4/0x12c0 net/ipv4/fib_trie.c:1212 fib_magic+0x26c/0x344 net/ipv4/fib_frontend.c:1128 fib_add_ifaddr+0x2e0/0x500 net/ipv4/fib_frontend.c:1165 fib_netdev_event+0x35c/0x49c net/ipv4/fib_frontend.c:1510 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline] call_netdevice_notifiers net/core/dev.c:2302 [inline] __dev_notify_flags+0x160/0x27c net/core/dev.c:9793 netif_change_flags+0xd0/0x15c net/core/dev.c:9822 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3215 rtnl_changelink net/core/rtnetlink.c:3849 [inline] __rtnl_newlink net/core/rtnetlink.c:4022 [inline] rtnl_newlink+0xd24/0x1144 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x66c/0x9bc net/core/rtnetlink.c:7076 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7103 ref_tracker: netdev@000000006b83e3e3 skipped reports about 2/351 users.