[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.159310][ T26] audit: type=1800 audit(1578447090.341:25): pid=8354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.186813][ T26] audit: type=1800 audit(1578447090.341:26): pid=8354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.237451][ T26] audit: type=1800 audit(1578447090.341:27): pid=8354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. 2020/01/08 01:31:38 fuzzer started 2020/01/08 01:31:40 dialing manager at 10.128.0.26:35703 2020/01/08 01:31:40 syscalls: 2824 2020/01/08 01:31:40 code coverage: enabled 2020/01/08 01:31:40 comparison tracing: enabled 2020/01/08 01:31:40 extra coverage: enabled 2020/01/08 01:31:40 setuid sandbox: enabled 2020/01/08 01:31:40 namespace sandbox: enabled 2020/01/08 01:31:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:31:40 fault injection: enabled 2020/01/08 01:31:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:31:40 net packet injection: enabled 2020/01/08 01:31:40 net device setup: enabled 2020/01/08 01:31:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:31:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:31:41 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000180)={0x26, 'hash\x00', 0x0, 0x0, 'rmd128-generic\x00'}, 0x58) accept(r0, &(0x7f0000000040)=@can, 0x0) 01:31:41 executing program 1: r0 = socket$inet(0x2b, 0x1, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast2}, 0x10) connect$inet(r0, &(0x7f00000000c0)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000001c0)='tls\x00', 0x4) setsockopt$inet_mreqsrc(r0, 0x11a, 0x2, &(0x7f0000000140)={@rand_addr=0x3033300, @multicast2, @loopback}, 0x28) sendto$inet(r0, &(0x7f0000000080)='\x00', 0xffffffffffffff18, 0x80811, 0x0, 0x0) syzkaller login: [ 66.105608][ T8521] IPVS: ftp: loaded support on port[0] = 21 01:31:41 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) clock_gettime(0x5, &(0x7f0000000000)) [ 66.294948][ T8524] IPVS: ftp: loaded support on port[0] = 21 [ 66.304271][ T8521] chnl_net:caif_netlink_parms(): no params data found [ 66.421719][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.437576][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.457997][ T8521] device bridge_slave_0 entered promiscuous mode [ 66.468263][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.475313][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.493282][ T8521] device bridge_slave_1 entered promiscuous mode [ 66.520902][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 66.550298][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 01:31:41 executing program 3: setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, 0x0) futex(&(0x7f000000cffc)=0x1, 0x800000000006, 0x0, 0x0, 0x0, 0x0) futex(&(0x7f000000cffc), 0x0, 0x0, 0x0, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000000040)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) tkill(r0, 0x3000000000016) sendmmsg$alg(0xffffffffffffffff, &(0x7f0000002c40), 0x299, 0x0) open(0x0, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) [ 66.592207][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.613327][ T8524] chnl_net:caif_netlink_parms(): no params data found [ 66.666318][ T8521] team0: Port device team_slave_0 added [ 66.679169][ T8521] team0: Port device team_slave_1 added [ 66.769526][ T8521] device hsr_slave_0 entered promiscuous mode [ 66.806981][ T8521] device hsr_slave_1 entered promiscuous mode [ 66.852233][ T8524] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.860782][ T8524] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.868997][ T8524] device bridge_slave_0 entered promiscuous mode [ 66.885791][ T8529] IPVS: ftp: loaded support on port[0] = 21 01:31:42 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$can_raw(0x1d, 0x3, 0x1) setsockopt(r2, 0x65, 0x1, &(0x7f0000000080), 0x1d0) setsockopt$CAN_RAW_FILTER(r2, 0x65, 0x1, 0x0, 0x0) [ 66.899377][ T8524] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.906482][ T8524] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.914863][ T8524] device bridge_slave_1 entered promiscuous mode [ 67.033080][ T8524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.064442][ T8524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.133914][ T8524] team0: Port device team_slave_0 added [ 67.159072][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 67.159085][ T8532] IPVS: ftp: loaded support on port[0] = 21 [ 67.189177][ T8524] team0: Port device team_slave_1 added 01:31:42 executing program 5: r0 = socket(0x10, 0x10000000000003, 0x0) write(r0, &(0x7f0000000040)="26000000130046f10701c1b00ed95d182800fe8f635778a20100008007000000090000000000", 0x26) setsockopt$netlink_NETLINK_PKTINFO(r0, 0x10e, 0x3, &(0x7f0000000080)=0x384d, 0x4) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000000)=0x6, 0x4) recvmsg(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=""/20, 0xffffffffffffffe7}, 0x0) [ 67.361108][ T8524] device hsr_slave_0 entered promiscuous mode [ 67.407541][ T8524] device hsr_slave_1 entered promiscuous mode [ 67.446895][ T8524] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.454705][ T8524] Cannot create hsr debugfs directory [ 67.484014][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.491606][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.499379][ T8526] device bridge_slave_0 entered promiscuous mode [ 67.514886][ T8529] chnl_net:caif_netlink_parms(): no params data found [ 67.533963][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 67.549737][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.557454][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.564977][ T8526] device bridge_slave_1 entered promiscuous mode [ 67.579456][ T8521] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.632304][ T8521] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.691551][ T8521] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.781712][ T8521] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.860689][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.890344][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.942924][ T8526] team0: Port device team_slave_0 added [ 67.949344][ T8532] chnl_net:caif_netlink_parms(): no params data found [ 67.988195][ T8526] team0: Port device team_slave_1 added [ 68.004434][ T8529] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.011938][ T8529] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.019793][ T8529] device bridge_slave_0 entered promiscuous mode [ 68.052221][ T8524] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.109615][ T8529] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.116821][ T8529] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.124393][ T8529] device bridge_slave_1 entered promiscuous mode [ 68.148889][ T8524] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.250001][ T8526] device hsr_slave_0 entered promiscuous mode [ 68.287589][ T8526] device hsr_slave_1 entered promiscuous mode [ 68.326736][ T8526] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.334301][ T8526] Cannot create hsr debugfs directory [ 68.345769][ T8529] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.358912][ T8529] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.368414][ T8524] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.421449][ T8524] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.515545][ T8529] team0: Port device team_slave_0 added [ 68.527801][ T8529] team0: Port device team_slave_1 added [ 68.539113][ T8532] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.546163][ T8532] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.554086][ T8532] device bridge_slave_0 entered promiscuous mode [ 68.572774][ T8532] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.580645][ T8532] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.588432][ T8532] device bridge_slave_1 entered promiscuous mode [ 68.669546][ T8529] device hsr_slave_0 entered promiscuous mode [ 68.697090][ T8529] device hsr_slave_1 entered promiscuous mode [ 68.746800][ T8529] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.754367][ T8529] Cannot create hsr debugfs directory [ 68.788282][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 68.799427][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.809345][ T8532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.845634][ T8532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.893979][ T8532] team0: Port device team_slave_0 added [ 68.920280][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.931090][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.942167][ T8532] team0: Port device team_slave_1 added [ 68.971318][ T8521] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.999383][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.006450][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.015121][ T8535] device bridge_slave_0 entered promiscuous mode [ 69.026145][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.034870][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.043464][ T2869] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.050647][ T2869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.061990][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.100365][ T8532] device hsr_slave_0 entered promiscuous mode [ 69.167118][ T8532] device hsr_slave_1 entered promiscuous mode [ 69.206878][ T8532] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.214458][ T8532] Cannot create hsr debugfs directory [ 69.229759][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.238110][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.246442][ T8535] device bridge_slave_1 entered promiscuous mode [ 69.273063][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.282310][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.291043][ T3194] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.298136][ T3194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.333025][ T8524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.340668][ T8526] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.382518][ T8526] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.438682][ T8529] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.481511][ T8529] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.550273][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.563935][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.574883][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.586343][ T8526] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.619463][ T8529] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.672735][ T8529] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.732975][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.741472][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.750209][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.758625][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.767776][ T8526] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.862414][ T8524] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.873904][ T8535] team0: Port device team_slave_0 added [ 69.882821][ T8535] team0: Port device team_slave_1 added [ 69.891749][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.900762][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.909321][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.917699][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.926089][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.933908][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.941539][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.950051][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.958706][ T3194] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.965740][ T3194] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.974761][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.018965][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.030918][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.039570][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.048558][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.057636][ T2674] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.064685][ T2674] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.072325][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.081590][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.090132][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.098819][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.109665][ T8521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.169603][ T8535] device hsr_slave_0 entered promiscuous mode [ 70.208649][ T8535] device hsr_slave_1 entered promiscuous mode [ 70.246738][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.254321][ T8535] Cannot create hsr debugfs directory [ 70.296200][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.305112][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.313923][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.360440][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.372317][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.393747][ T8532] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.432820][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.440963][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.448802][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.457191][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.473426][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.485672][ T8524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.497380][ T8532] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.550461][ T8532] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.637890][ T8529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.658229][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.665909][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.678807][ T8532] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.723596][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.735216][ T8521] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.750513][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.763600][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.787383][ T8529] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.799658][ T8524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.808456][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.820468][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.828836][ T3194] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.835896][ T3194] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.844142][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.851748][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.859485][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.868147][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.876354][ T3194] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.883421][ T3194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.891288][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.932493][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.941909][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.950714][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.959323][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.967619][ T3194] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.974680][ T3194] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.982741][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.991483][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.000079][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.008619][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.016955][ T3194] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.024051][ T3194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.031639][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.040886][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.049593][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.087721][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.095544][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.105917][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.114818][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.123681][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.132111][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.140266][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.148950][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.157164][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.185179][ T8526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.193457][ T8535] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.232668][ T8535] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.312653][ T8532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.319769][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.328648][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.337612][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.345622][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.353838][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.361863][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.369562][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.390102][ T8521] device veth0_vlan entered promiscuous mode [ 71.399817][ T8535] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.479276][ T8535] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.529159][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.539533][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.548140][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.556340][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.564680][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.573488][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.581658][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.590137][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.598719][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.606105][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.616592][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.643717][ T8521] device veth1_vlan entered promiscuous mode [ 71.663974][ T8524] device veth0_vlan entered promiscuous mode [ 71.673688][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.682607][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.690879][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.699778][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.707962][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.715832][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.724074][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.734606][ T8532] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.745084][ T8526] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.762917][ T8524] device veth1_vlan entered promiscuous mode [ 71.794657][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.817411][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.825335][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.834932][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.843884][ T2869] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.851016][ T2869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.870015][ T8529] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.901071][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.910448][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.919549][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.928261][ T2719] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.935325][ T2719] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.943339][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.952034][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.960805][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.969574][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.977879][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.987584][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.995176][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.003266][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.020740][ T8526] device veth0_vlan entered promiscuous mode [ 177.096632][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.103554][ C0] rcu: 0-....: (10500 ticks this GP) idle=26e/1/0x4000000000000002 softirq=14006/14006 fqs=2701 [ 177.114335][ C0] (t=10501 jiffies g=7249 q=328) [ 177.119358][ C0] rcu: rcu_preempt kthread starved for 5100 jiffies! g7249 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.130365][ C0] rcu: RCU grace-period kthread stack dump: [ 177.136244][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.144149][ C0] Call Trace: [ 177.147470][ C0] __schedule+0x9a0/0xcc0 [ 177.151894][ C0] schedule+0x181/0x210 [ 177.156065][ C0] schedule_timeout+0x14f/0x240 [ 177.160941][ C0] ? run_local_timers+0x120/0x120 [ 177.165968][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.170734][ C0] kthread+0x332/0x350 [ 177.174795][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.179904][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.185444][ C0] ret_from_fork+0x24/0x30 [ 177.189875][ C0] NMI backtrace for cpu 0 [ 177.194212][ C0] CPU: 0 PID: 8521 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.202779][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.212835][ C0] Call Trace: [ 177.216111][ C0] [ 177.218957][ C0] dump_stack+0x1fb/0x318 [ 177.223291][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.228158][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.234314][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.240378][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.246358][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.252251][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.257361][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.262550][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.267565][ C0] update_process_times+0x12d/0x180 [ 177.272755][ C0] tick_sched_timer+0x263/0x420 [ 177.277593][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.283129][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.288352][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.293294][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.298571][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.304105][ C0] apic_timer_interrupt+0xf/0x20 [ 177.309025][ C0] [ 177.311956][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 177.317664][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff [ 177.337258][ C0] RSP: 0018:ffffc90001ea78a0 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 177.345658][ C0] RAX: 1ffff110136b6ac1 RBX: ffff88809b5b5608 RCX: ffff88807d700040 [ 177.353619][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023ade80 [ 177.361582][ C0] RBP: ffffc90001ea78d8 R08: 000000000003a728 R09: ffffed10121cf6b1 [ 177.369547][ C0] R10: ffffed10121cf6b1 R11: 0000000000000000 R12: ffff88809b5b56a0 [ 177.377510][ C0] R13: dffffc0000000000 R14: 1ffff110136b6ad4 R15: ffff888090e7b578 [ 177.385504][ C0] put_task_stack+0xa3/0x130 [ 177.390083][ C0] finish_task_switch+0x3f1/0x550 [ 177.395103][ C0] __schedule+0x9a8/0xcc0 [ 177.399436][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 177.405234][ C0] preempt_schedule_notrace+0xdb/0x120 [ 177.410687][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 177.416319][ C0] ? rcu_is_watching+0x57/0xa0 [ 177.421072][ C0] rcu_is_watching+0x82/0xa0 [ 177.425654][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 177.430856][ C0] ? __should_failslab+0x11a/0x160 [ 177.435971][ C0] ? kzalloc+0x26/0x40 [ 177.440032][ C0] __kmalloc+0xad/0x340 [ 177.444181][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 177.449897][ C0] kzalloc+0x26/0x40 [ 177.453784][ C0] security_prepare_creds+0x40/0x260 [ 177.459060][ C0] prepare_creds+0x3f7/0x5b0 [ 177.463641][ C0] copy_creds+0x147/0x6d0 [ 177.467962][ C0] copy_process+0x882/0x5510 [ 177.472568][ C0] _do_fork+0x13e/0x660 [ 177.476715][ C0] ? check_preemption_disabled+0xb4/0x260 [ 177.482419][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.487694][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 177.493116][ C0] __x64_sys_clone+0x20b/0x250 [ 177.498020][ C0] do_syscall_64+0xf7/0x1c0 [ 177.502550][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.508448][ C0] RIP: 0033:0x45951a [ 177.512368][ C0] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 177.532072][ C0] RSP: 002b:00007ffc487b3360 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 177.540492][ C0] RAX: ffffffffffffffda RBX: 00007ffc487b3360 RCX: 000000000045951a [ 177.548488][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 177.556494][ C0] RBP: 00007ffc487b33a0 R08: 0000000000000001 R09: 0000000000e6b940 [ 177.564475][ C0] R10: 0000000000e6bc10 R11: 0000000000000246 R12: 0000000000000001 [ 177.572443][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc487b33f0