Extracting prog: 6m59.34123847s Minimizing prog: 2h2m59.192428848s Simplifying prog options: 18m51.096091604s Extracting C: 5m9.936164623s 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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$MAP_UPDATE_BATCH-sendmsg$ETHTOOL_MSG_LINKMODES_GET-sendmsg$netlink-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) sendmsg$ETHTOOL_MSG_LINKMODES_GET(r2, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x38, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008851}, 0x200000d1) sendmsg$netlink(r1, &(0x7f0000001080)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000580)=ANY=[@ANYBLOB="48000000120001000000000000000000100000000c000000000000"], 0x48}], 0x1}, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$MAP_UPDATE_BATCH-sendmsg$ETHTOOL_MSG_LINKMODES_GET-sendmsg$netlink-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) sendmsg$ETHTOOL_MSG_LINKMODES_GET(r2, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x38, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008851}, 0x200000d1) sendmsg$netlink(r1, &(0x7f0000001080)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000580)=ANY=[@ANYBLOB="48000000120001000000000000000000100000000c000000000000"], 0x48}], 0x1}, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock single: successfully extracted reproducer found reproducer with 17 syscalls minimizing guilty program testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$MAP_UPDATE_BATCH-sendmsg$ETHTOOL_MSG_LINKMODES_GET-sendmsg$netlink detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) sendmsg$ETHTOOL_MSG_LINKMODES_GET(r2, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x38, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008851}, 0x200000d1) sendmsg$netlink(r1, &(0x7f0000001080)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000580)=ANY=[@ANYBLOB="48000000120001000000000000000000100000000c000000000000"], 0x48}], 0x1}, 0x0) program did not crash testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$MAP_UPDATE_BATCH-sendmsg$ETHTOOL_MSG_LINKMODES_GET-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r5, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) sendmsg$ETHTOOL_MSG_LINKMODES_GET(r2, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x38, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x20008851}, 0x200000d1) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$MAP_UPDATE_BATCH-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0xfa, 0x1, 0x4, 0x40, @local, @remote, 0x74f, 0x8, 0x100, 0x6}}) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$ETHTOOL_MSG_CHANNELS_GET-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$ETHTOOL_MSG_CHANNELS_GET(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={0x0}}, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnetlink_rcv_msg testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-syz_genetlink_get_family_id$ethtool-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000380), 0xffffffffffffffff) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-socket$nl_generic-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r2, 0x89f2, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-socket$inet6_udplite-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-socket$nl_generic-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-dup3-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) dup3(r1, r0, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-socket$netlink-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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$nl_route-bpf$PROG_LOAD-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock testing program (duration=8m9.294358362s, {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}}): sendmsg$nl_route detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program did not crash testing program (duration=8m9.294358362s, {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=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=8m9.294358362s, {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=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock extracting C reproducer testing compiled C program (duration=8m9.294358362s, {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=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program did not crash testing program (duration=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnetlink_rcv_msg validation run: crashed=true testing program (duration=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock validation run: crashed=true testing program (duration=8m9.294358362s, {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, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000580)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x137b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x88}]}}}]}, 0x3c}}, 0x0) program crashed: INFO: task hung in rtnl_lock validation run: crashed=true reproducing took 2h50m13.199288732s repro crashed as (corrupted=false): INFO: task kworker/u4:1:11 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:1 state:D stack:0 pid:11 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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/1:3:3899 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:3899 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:4131 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:3992 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:3992 ppid:3991 flags:0x00000004 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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 devinet_ioctl+0x2b4/0x18e8 net/ipv4/devinet.c:1080 inet_ioctl+0x328/0x518 net/ipv4/af_inet.c:1008 sock_do_ioctl+0x100/0x258 net/socket.c:1202 sock_ioctl+0x234/0x828 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __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/0:8:4473 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:0 pid:4473 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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 kworker/0:13:4480 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:13 state:D stack:0 pid:4480 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:4131 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.6.3155:8158 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.3155 state:D stack:0 pid:8158 ppid:7735 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.5.3157:8159 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.3157 state:D stack:0 pid:8159 ppid:7730 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.2.3156:8160 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.3156 state:D stack:0 pid:8160 ppid:7724 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.7.3158:8161 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.7.3158 state:D stack:0 pid:8161 ppid:7738 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.8.3159:8162 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.8.3159 state:D stack:0 pid:8162 ppid:7744 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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: 3 locks held by kworker/u4:1/11: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb57c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by rcu_tasks_kthre/12: #0: ffff800015557db0 (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: ffff8000155585d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015557440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 3 locks held by kworker/1:3/3899: #0: ffff0000d626f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800023b37c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by klogd/3926: #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6478 1 lock held by dhcpcd/3992: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by getty/4082: #0: ffff0000d113f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001f9f32f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/0:8/4473: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020ef7c40 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:13/4480: #0: ffff0000d626f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020f47c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 5 locks held by kworker/u4:5/4512: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021097c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff8000179f65d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 net/core/net_namespace.c:594 #3: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff80001555cfc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x58/0x5b8 kernel/rcu/tree.c:4023 3 locks held by kworker/u4:8/4732: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800022b57c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.6.3155/8158: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.5.3157/8159: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.2.3156/8160: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.7.3158/8161: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.8.3159/8162: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8178: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8182: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8188: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8190: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8193: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8202: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8204: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8208: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8209: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8217: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8225: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8230: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8231: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8235: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8236: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 ============================================= final repro crashed as (corrupted=false): INFO: task kworker/u4:1:11 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:1 state:D stack:0 pid:11 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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/1:3:3899 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:3899 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:4131 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:3992 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:3992 ppid:3991 flags:0x00000004 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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 devinet_ioctl+0x2b4/0x18e8 net/ipv4/devinet.c:1080 inet_ioctl+0x328/0x518 net/ipv4/af_inet.c:1008 sock_do_ioctl+0x100/0x258 net/socket.c:1202 sock_ioctl+0x234/0x828 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __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/0:8:4473 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:0 pid:4473 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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 kworker/0:13:4480 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:13 state:D stack:0 pid:4480 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:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:4131 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.6.3155:8158 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.3155 state:D stack:0 pid:8158 ppid:7735 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.5.3157:8159 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.3157 state:D stack:0 pid:8159 ppid:7730 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.2.3156:8160 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.3156 state:D stack:0 pid:8160 ppid:7724 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.7.3158:8161 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.7.3158 state:D stack:0 pid:8161 ppid:7738 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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.8.3159:8162 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.8.3159 state:D stack:0 pid:8162 ppid:7744 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdb4/0x1a6c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 __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:6155 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 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: 3 locks held by kworker/u4:1/11: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff80001cb57c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by rcu_tasks_kthre/12: #0: ffff800015557db0 (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: ffff8000155585d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015557440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 3 locks held by kworker/1:3/3899: #0: ffff0000d626f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800023b37c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by klogd/3926: #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f3c8398 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6478 1 lock held by dhcpcd/3992: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by getty/4082: #0: ffff0000d113f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001f9f32f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198 3 locks held by kworker/0:8/4473: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020ef7c40 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/0:13/4480: #0: ffff0000d626f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800020f47c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 5 locks held by kworker/u4:5/4512: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800021097c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff8000179f65d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 net/core/net_namespace.c:594 #3: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff80001555cfc0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x58/0x5b8 kernel/rcu/tree.c:4023 3 locks held by kworker/u4:8/4732: #0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1 #1: ffff800022b57c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267 #2: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.6.3155/8158: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.5.3157/8159: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.2.3156/8160: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.7.3158/8161: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz.8.3159/8162: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8178: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8182: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8188: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8190: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8193: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8202: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8204: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8208: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8209: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8217: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8225: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8230: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8231: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8235: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 1 lock held by syz-executor/8236: #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017a02e48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6155 =============================================