Extracting prog: 7m19.546516189s Minimizing prog: 1h46m34.344394781s Simplifying prog options: 16m41.262868874s Extracting C: 5m10.067394233s 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}}): socket$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_GET_SURVEY-sendmsg$DEVLINK_CMD_RATE_SET-sendmsg$RDMA_NLDEV_CMD_DELLINK-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r3, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r4, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$NL80211_CMD_GET_SURVEY(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="08002bbd7000fedbdf253200000008000300", @ANYRES32, @ANYBLOB="0c0099000300002015000010"], 0x28}, 0x1, 0x0, 0x0, 0x18}, 0x22040010) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000200)={0x34, 0x0, 0x1, 0x0, 0x0, {0x30}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x48000}, 0x880) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 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}}): socket$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_GET_SURVEY-sendmsg$DEVLINK_CMD_RATE_SET-sendmsg$RDMA_NLDEV_CMD_DELLINK-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r3, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r4, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$NL80211_CMD_GET_SURVEY(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="08002bbd7000fedbdf253200000008000300", @ANYRES32, @ANYBLOB="0c0099000300002015000010"], 0x28}, 0x1, 0x0, 0x0, 0x18}, 0x22040010) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000200)={0x34, 0x0, 0x1, 0x0, 0x0, {0x30}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x48000}, 0x880) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnetlink_rcv_msg single: successfully extracted reproducer found reproducer with 16 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_GET_SURVEY-sendmsg$DEVLINK_CMD_RATE_SET-sendmsg$RDMA_NLDEV_CMD_DELLINK detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$NL80211_CMD_GET_SURVEY(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002bbd7000fedbdf253200000008000300", @ANYRES32, @ANYBLOB="0c0099000300002015000010"], 0x28}, 0x1, 0x0, 0x0, 0x18}, 0x22040010) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000200)={0x34, 0x0, 0x1, 0x0, 0x0, {0x30}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}}, 0x0) sendmsg$RDMA_NLDEV_CMD_DELLINK(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x48000}, 0x880) 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_GET_SURVEY-sendmsg$DEVLINK_CMD_RATE_SET-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$NL80211_CMD_GET_SURVEY(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002bbd7000fedbdf253200000008000300", @ANYRES32, @ANYBLOB="0c0099000300002015000010"], 0x28}, 0x1, 0x0, 0x0, 0x18}, 0x22040010) sendmsg$DEVLINK_CMD_RATE_SET(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000200)={0x34, 0x0, 0x1, 0x0, 0x0, {0x30}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_GET_SURVEY-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$NL80211_CMD_GET_SURVEY(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="08002bbd7000fedbdf253200000008000300", @ANYRES32, @ANYBLOB="0c0099000300002015000010"], 0x28}, 0x1, 0x0, 0x0, 0x18}, 0x22040010) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in __netlink_dump_start 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-syz_genetlink_get_family_id$nl80211-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) syz_genetlink_get_family_id$nl80211(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-setsockopt$IP_VS_SO_SET_ADDDEST-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f0000000000)={{0x84, @initdev={0xac, 0x1e, 0x4, 0x0}, 0x4e21, 0x3, 'lc\x00', 0x2, 0x81, 0x37}, {@rand_addr=0x64010102, 0x4e23, 0x4, 0xc1, 0x12d5c, 0x12d59}}, 0x44) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnetlink_rcv_msg 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_tcp-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnetlink_rcv_msg 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r2, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xb}, 0x15, 0x3, 'none\x00', 0x1, 0x4, 0x72}, 0x2c) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in netlink_dump 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-socket$inet_sctp-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) socket$inet_sctp(0x2, 0x1, 0x84) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-bpf$MAP_CREATE-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) bpf$MAP_CREATE(0x0, 0x0, 0x48) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-socket$nl_rdma-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-bind$rds-syz_emit_ethernet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) syz_emit_ethernet(0x46, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "120008", 0x10, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x3}}}}}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 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$rds-bind$rds-socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @broadcast}, 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$rds-socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: socket$rds(0x15, 0x5, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 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$nl_route-sendmsg$nl_route 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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}}): socket$nl_route-sendmsg$nl_route 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock 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}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x48, 0x10, 0xc09, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x50081}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x18, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc}, @IFLA_BR_MCAST_STATS_ENABLED={0x5, 0x2a, 0x1}]}}}]}, 0x48}}, 0x0) program crashed: INFO: task hung in rtnl_lock validation run: crashed=true reproducing took 2h31m51.353614524s repro crashed as (corrupted=false): INFO: task kworker/1:0:22 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:22 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xc0/0x10a0 net/ipv6/addrconf.c:4138 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:2:114 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:114 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xc0/0x10a0 net/ipv6/addrconf.c:4138 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task dhcpcd:3995 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:0 pid:3995 ppid:3994 flags:0x00000004 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task kworker/u4:7:4558 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:7 state:D stack:0 pid:4558 ppid:2 flags:0x00000008 Workqueue: events_unbound linkwatch_event Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 linkwatch_event+0x14/0x68 net/core/link_watch.c:263 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:7:7578 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:7 state:D stack:0 pid:7578 ppid:2 flags:0x00000008 Workqueue: events switchdev_deferred_process_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task syz-executor:7700 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:7700 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 cgrp_css_online+0x8c/0x2cc net/core/netprio_cgroup.c:157 online_css+0xc8/0x2b0 kernel/cgroup/cgroup.c:5520 css_create kernel/cgroup/cgroup.c:5591 [inline] cgroup_apply_control_enable+0x704/0x9e0 kernel/cgroup/cgroup.c:3283 cgroup_mkdir+0x964/0xcf8 kernel/cgroup/cgroup.c:5789 kernfs_iop_mkdir+0x118/0x164 fs/kernfs/dir.c:1221 vfs_mkdir+0x314/0x4d8 fs/namei.c:4157 do_mkdirat+0x1b8/0x3ec fs/namei.c:4182 __do_sys_mkdirat fs/namei.c:4197 [inline] __se_sys_mkdirat fs/namei.c:4195 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4195 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.7.3080:8061 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.7.3080 state:D stack:0 pid:8061 ppid:7704 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.8.3082:8062 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.8.3082 state:D stack:0 pid:8062 ppid:7706 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.1.3081:8063 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.3081 state:D stack:0 pid:8063 ppid:7693 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.6.3083:8064 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.3083 state:D stack:0 pid:8064 ppid:7699 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 5 locks held by kworker/u4:1/11: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb77c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a19610 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 net/core/net_namespace.c:594 #3: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6479 1 lock held by rcu_tasks_kthre/12: #0: ffff800015577db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000155785d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 3 locks held by kworker/1:0/22: #0: ffff0000d6170d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cc37c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by khungtaskd/28: #0: ffff800015577440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 4 locks held by kworker/u4:2/39: #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6479 #1: ffff00019f36fbc8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x35c/0x5b8 kernel/sched/psi.c:999 #2: ffff00019f370798 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x11c/0x224 kernel/time/timer.c:999 #3: ffff80001c84fcc8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x78/0x4c0 lib/debugobjects.c:747 3 locks held by kworker/u4:3/92: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020017c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:2/114: #0: ffff0000d6170d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020777c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by dhcpcd/3995: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 2 locks held by getty/4083: #0: ffff0000d6dd6098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001fa462f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/u4:7/4558: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff8000211e7c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:7/7578: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021057c40 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 4 locks held by syz-executor/7700: #0: ffff0000d9f20460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402 #1: ffff0000e5018150 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:799 [inline] #1: ffff0000e5018150 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: filename_create+0x1b0/0x3a8 fs/namei.c:3927 #2: ffff80001559f5c8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:442 [inline] #2: ffff80001559f5c8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xf8/0x258 kernel/cgroup/cgroup.c:1700 #3: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.7.3080/8061: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.8.3082/8062: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.1.3081/8063: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.6.3083/8064: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8068: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8072: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8076: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8078: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8083: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8091: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8092: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8097: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8098: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8106: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8115: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8119: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8121: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8125: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 ============================================= final repro crashed as (corrupted=false): INFO: task kworker/1:0:22 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:22 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xc0/0x10a0 net/ipv6/addrconf.c:4138 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:2:114 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:114 ppid:2 flags:0x00000008 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 addrconf_dad_work+0xc0/0x10a0 net/ipv6/addrconf.c:4138 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task dhcpcd:3995 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:0 pid:3995 ppid:3994 flags:0x00000004 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task kworker/u4:7:4558 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:7 state:D stack:0 pid:4558 ppid:2 flags:0x00000008 Workqueue: events_unbound linkwatch_event Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 linkwatch_event+0x14/0x68 net/core/link_watch.c:263 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:7:7578 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:7 state:D stack:0 pid:7578 ppid:2 flags:0x00000008 Workqueue: events switchdev_deferred_process_work Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task syz-executor:7700 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:7700 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 cgrp_css_online+0x8c/0x2cc net/core/netprio_cgroup.c:157 online_css+0xc8/0x2b0 kernel/cgroup/cgroup.c:5520 css_create kernel/cgroup/cgroup.c:5591 [inline] cgroup_apply_control_enable+0x704/0x9e0 kernel/cgroup/cgroup.c:3283 cgroup_mkdir+0x964/0xcf8 kernel/cgroup/cgroup.c:5789 kernfs_iop_mkdir+0x118/0x164 fs/kernfs/dir.c:1221 vfs_mkdir+0x314/0x4d8 fs/namei.c:4157 do_mkdirat+0x1b8/0x3ec fs/namei.c:4182 __do_sys_mkdirat fs/namei.c:4197 [inline] __se_sys_mkdirat fs/namei.c:4195 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4195 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.7.3080:8061 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.7.3080 state:D stack:0 pid:8061 ppid:7704 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.8.3082:8062 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.8.3082 state:D stack:0 pid:8062 ppid:7706 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.1.3081:8063 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.3081 state:D stack:0 pid:8063 ppid:7693 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.6.3083:8064 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.3083 state:D stack:0 pid:8064 ppid:7699 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6698 __mutex_lock_common+0xb20/0x1f3c kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rtnl_lock net/core/rtnetlink.c:74 [inline] rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 5 locks held by kworker/u4:1/11: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb77c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a19610 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 net/core/net_namespace.c:594 #3: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #4: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6479 1 lock held by rcu_tasks_kthre/12: #0: ffff800015577db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000155785d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 3 locks held by kworker/1:0/22: #0: ffff0000d6170d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cc37c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by khungtaskd/28: #0: ffff800015577440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 4 locks held by kworker/u4:2/39: #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6479 #1: ffff00019f36fbc8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x35c/0x5b8 kernel/sched/psi.c:999 #2: ffff00019f370798 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x11c/0x224 kernel/time/timer.c:999 #3: ffff80001c84fcc8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x78/0x4c0 lib/debugobjects.c:747 3 locks held by kworker/u4:3/92: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020017c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:2/114: #0: ffff0000d6170d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020777c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by dhcpcd/3995: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 2 locks held by getty/4083: #0: ffff0000d6dd6098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001fa462f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/u4:7/4558: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff8000211e7c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:7/7578: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021057c40 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 4 locks held by syz-executor/7700: #0: ffff0000d9f20460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402 #1: ffff0000e5018150 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:799 [inline] #1: ffff0000e5018150 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: filename_create+0x1b0/0x3a8 fs/namei.c:3927 #2: ffff80001559f5c8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:442 [inline] #2: ffff80001559f5c8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xf8/0x258 kernel/cgroup/cgroup.c:1700 #3: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.7.3080/8061: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.8.3082/8062: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.1.3081/8063: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz.6.3083/8064: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8068: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8072: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8076: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8078: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8083: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8091: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8092: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8097: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8098: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8106: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8115: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8119: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8121: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 1 lock held by syz-executor/8125: #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163 =============================================