[ 49.384802][ T27] audit: type=1800 audit(1578477183.323:25): pid=8430 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.405093][ T27] audit: type=1800 audit(1578477183.333:26): pid=8430 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.425160][ T27] audit: type=1800 audit(1578477183.333:27): pid=8430 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. [ 50.008094][ T8498] sshd (8498) used greatest stack depth: 24000 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. 2020/01/08 09:53:14 fuzzer started 2020/01/08 09:53:16 dialing manager at 10.128.0.26:35703 2020/01/08 09:53:16 syscalls: 2824 2020/01/08 09:53:16 code coverage: enabled 2020/01/08 09:53:16 comparison tracing: enabled 2020/01/08 09:53:16 extra coverage: enabled 2020/01/08 09:53:16 setuid sandbox: enabled 2020/01/08 09:53:16 namespace sandbox: enabled 2020/01/08 09:53:16 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:53:16 fault injection: enabled 2020/01/08 09:53:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:53:16 net packet injection: enabled 2020/01/08 09:53:16 net device setup: enabled 2020/01/08 09:53:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:53:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:53:17 executing program 0: clone(0x41fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = getpid() rt_tgsigqueueinfo(r0, r0, 0x16, &(0x7f00000000c0)) ptrace(0x10, r0) ptrace$getregset(0x4204, r0, 0x1, &(0x7f0000000280)={0x0, 0xc0}) 09:53:17 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz0\x00', 0x200002, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000040)={r0, 0x6, 0x0, 0x0, 0x0}, 0x20) syzkaller login: [ 63.904673][ T8598] IPVS: ftp: loaded support on port[0] = 21 09:53:18 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000a80)={0x28, 0x1e, 0x113, 0x0, 0x0, {0xffffff1f, 0x0, 0x1000000}, [@typed={0x14, 0x3d}]}, 0x28}}, 0x0) [ 64.092241][ T8598] chnl_net:caif_netlink_parms(): no params data found [ 64.136167][ T8601] IPVS: ftp: loaded support on port[0] = 21 [ 64.239272][ T8598] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.247155][ T8603] IPVS: ftp: loaded support on port[0] = 21 [ 64.247522][ T8598] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.262404][ T8598] device bridge_slave_0 entered promiscuous mode [ 64.299251][ T8598] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.308054][ T8598] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.316143][ T8598] device bridge_slave_1 entered promiscuous mode [ 64.362252][ T8598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.384061][ T8598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:53:18 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f0000000540)=0x2000000000000074, 0x56c) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='cubic\x00', 0x2) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) symlink(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00') ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) sendto$inet(r0, 0x0, 0x3d3, 0x210007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) write(r0, &(0x7f00000001c0)="ee0107200c9f8fbf5ca312794d57d7c84858f6d02ae97b4ba2e69aa7e30c756a581354e1c3bc0f39ab71266531e5c6b4446c8522bca79c952bc86146e4a205b0b8db310441cf08c043a775bb5e3a82dbc589f50c52e15266c634790cab6745980751ca698dbd91bc", 0x7359) [ 64.459691][ T8598] team0: Port device team_slave_0 added [ 64.482379][ T8598] team0: Port device team_slave_1 added [ 64.490017][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 64.504813][ T8603] chnl_net:caif_netlink_parms(): no params data found [ 64.601761][ T8598] device hsr_slave_0 entered promiscuous mode 09:53:18 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x807, 0x0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f0000001780)={0x0, 0x0, 0x0, {0x3, @win={{}, 0x0, 0x0, 0x0, 0x0, 0x0}}}) [ 64.668774][ T8598] device hsr_slave_1 entered promiscuous mode [ 64.774563][ T8607] IPVS: ftp: loaded support on port[0] = 21 [ 64.835957][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.846711][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.854662][ T8601] device bridge_slave_0 entered promiscuous mode [ 64.907274][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.914392][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.926181][ T8601] device bridge_slave_1 entered promiscuous mode [ 64.945898][ T8603] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.954534][ T8603] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.965657][ T8603] device bridge_slave_0 entered promiscuous mode 09:53:18 executing program 5: socketpair(0x1, 0x1, 0x0, &(0x7f0000000740)={0xffffffffffffffff}) sendmmsg(r0, &(0x7f00000078c0)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=[{0x10}, {0x408, 0x1, 0x1, "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"}], 0x418}}], 0x1, 0x0) [ 65.009561][ T8603] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.020069][ T8603] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.029327][ T8603] device bridge_slave_1 entered promiscuous mode [ 65.094412][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.112462][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 65.147107][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.161285][ T8603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.191821][ T8603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.211604][ T8598] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.313288][ T8601] team0: Port device team_slave_0 added [ 65.319698][ T8598] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.360753][ T8598] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.436390][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 65.447425][ T8603] team0: Port device team_slave_0 added [ 65.454936][ T8601] team0: Port device team_slave_1 added [ 65.467617][ T8598] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.534582][ T8603] team0: Port device team_slave_1 added [ 65.628654][ T8603] device hsr_slave_0 entered promiscuous mode [ 65.666978][ T8603] device hsr_slave_1 entered promiscuous mode [ 65.726766][ T8603] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.734631][ T8603] Cannot create hsr debugfs directory [ 65.819970][ T8601] device hsr_slave_0 entered promiscuous mode [ 65.857531][ T8601] device hsr_slave_1 entered promiscuous mode [ 65.896751][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.904373][ T8601] Cannot create hsr debugfs directory [ 65.927035][ T8607] chnl_net:caif_netlink_parms(): no params data found [ 66.131059][ T8603] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.179688][ T8609] chnl_net:caif_netlink_parms(): no params data found [ 66.207854][ T8611] chnl_net:caif_netlink_parms(): no params data found [ 66.216753][ T8603] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.251185][ T8607] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.258957][ T8607] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.267053][ T8607] device bridge_slave_0 entered promiscuous mode [ 66.296940][ T8603] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.339938][ T8607] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.347232][ T8607] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.354872][ T8607] device bridge_slave_1 entered promiscuous mode [ 66.382273][ T8607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.401170][ T8607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.420736][ T8603] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.491000][ T8607] team0: Port device team_slave_0 added [ 66.503638][ T8607] team0: Port device team_slave_1 added [ 66.515822][ T8601] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.574277][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.581642][ T8609] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.589634][ T8609] device bridge_slave_0 entered promiscuous mode [ 66.612521][ T8601] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.668748][ T8611] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.675850][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.683764][ T8611] device bridge_slave_0 entered promiscuous mode [ 66.691591][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.698893][ T8609] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.706514][ T8609] device bridge_slave_1 entered promiscuous mode [ 66.768582][ T8607] device hsr_slave_0 entered promiscuous mode [ 66.817095][ T8607] device hsr_slave_1 entered promiscuous mode [ 66.856705][ T8607] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.864299][ T8607] Cannot create hsr debugfs directory [ 66.886171][ T8601] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.938640][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.945742][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.954200][ T8611] device bridge_slave_1 entered promiscuous mode [ 66.985572][ T8611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.001236][ T8601] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.073820][ T8609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.085807][ T8611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.114386][ T8609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.125303][ T8611] team0: Port device team_slave_0 added [ 67.133652][ T8611] team0: Port device team_slave_1 added [ 67.163461][ T8598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.200172][ T8609] team0: Port device team_slave_0 added [ 67.214019][ T8609] team0: Port device team_slave_1 added [ 67.238928][ T8611] device hsr_slave_0 entered promiscuous mode [ 67.297173][ T8611] device hsr_slave_1 entered promiscuous mode [ 67.356967][ T8611] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.364693][ T8611] Cannot create hsr debugfs directory [ 67.373937][ T8598] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.394557][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.403257][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.411605][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.420454][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.429127][ T2887] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.436401][ T2887] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.445653][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.506921][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.515659][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.524728][ T2987] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.531889][ T2987] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.540082][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.563107][ T8603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.619833][ T8609] device hsr_slave_0 entered promiscuous mode [ 67.667024][ T8609] device hsr_slave_1 entered promiscuous mode [ 67.707538][ T8609] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.716428][ T8609] Cannot create hsr debugfs directory [ 67.728319][ T8607] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.770530][ T8607] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.839836][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.848904][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.857717][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.869519][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.879682][ T8607] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.970563][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.983087][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.992614][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.003379][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.019761][ T8603] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.031315][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.041274][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.051092][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.060166][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.068942][ T2870] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.076009][ T2870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.083657][ T8607] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.161076][ T8598] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.173362][ T8598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.185733][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.194072][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.202597][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.213238][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.222345][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.230969][ T2896] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.238081][ T2896] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.275232][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.308602][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.317644][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.360584][ T8611] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.432395][ T8611] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.479842][ T8611] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.529121][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.540939][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.549614][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.558885][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.567521][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.575750][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.584076][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.592481][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.601060][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.608985][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.619372][ T8603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.644440][ T8611] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.688975][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.696960][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.704596][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.720841][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.751217][ T8598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.762621][ T8607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.779626][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.788225][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.803412][ T8603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.822893][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.832063][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.842801][ T2980] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.849956][ T2980] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.869015][ T8609] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.911891][ T8609] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.952028][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.960295][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.969535][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.978958][ T2987] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.986148][ T2987] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.994346][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.013389][ T8609] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.086871][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.095533][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.105853][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.114882][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.124478][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.133609][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.142778][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.151346][ T8609] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.220015][ T8607] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.233981][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.244930][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.254096][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.263966][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.272815][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.299827][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.308989][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.319166][ T2876] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.326213][ T2876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.333960][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.343096][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.355250][ T8598] device veth0_vlan entered promiscuous mode [ 69.373306][ T8603] device veth0_vlan entered promiscuous mode [ 69.384747][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.393829][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.401776][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.409545][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.418393][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.426968][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.435385][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.443895][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.452905][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.461603][ T2876] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.468818][ T2876] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.476318][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.487202][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.495031][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.516306][ T8603] device veth1_vlan entered promiscuous mode [ 69.535009][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.544662][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.554552][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.563338][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.571730][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.580371][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.589783][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.598650][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.607592][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.623008][ T8607] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.634319][ T8607] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.650482][ T8601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.662500][ T8598] device veth1_vlan entered promiscuous mode [ 69.675945][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.685869][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.694467][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.705014][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.713976][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.746099][ T8611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.778614][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.786175][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.826126][ T8611] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.838504][ T8601] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.858726][ T8609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.875111][ T8607] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.887267][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.896162][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.905148][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.913054][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 174.946570][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.953512][ C0] rcu: 0-...!: (1 GPs behind) idle=31e/1/0x4000000000000002 softirq=13542/13545 fqs=39 [ 174.963702][ C0] (t=10500 jiffies g=7061 q=92) [ 174.968678][ C0] rcu: rcu_preempt kthread starved for 10421 jiffies! g7061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.979876][ C0] rcu: RCU grace-period kthread stack dump: [ 174.985785][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.993788][ C0] Call Trace: [ 174.997084][ C0] __schedule+0x9a0/0xcc0 [ 175.001549][ C0] schedule+0x181/0x210 [ 175.005729][ C0] schedule_timeout+0x14f/0x240 [ 175.010584][ C0] ? run_local_timers+0x120/0x120 [ 175.015614][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.020383][ C0] kthread+0x332/0x350 [ 175.024444][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.029546][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.036647][ C0] ret_from_fork+0x24/0x30 [ 175.041073][ C0] NMI backtrace for cpu 0 [ 175.045410][ C0] CPU: 0 PID: 2876 Comm: kworker/0:10 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.053889][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.063941][ C0] Workqueue: events linkwatch_event [ 175.069140][ C0] Call Trace: [ 175.072440][ C0] [ 175.075301][ C0] dump_stack+0x1fb/0x318 [ 175.079633][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.084484][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.090655][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.097147][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.103120][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.109004][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.114112][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.119334][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.124371][ C0] update_process_times+0x12d/0x180 [ 175.129579][ C0] tick_sched_timer+0x263/0x420 [ 175.134429][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.139969][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.145174][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.150117][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.155400][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.161117][ C0] apic_timer_interrupt+0xf/0x20 [ 175.166055][ C0] [ 175.169002][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 175.176301][ C0] Code: 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 ff e8 be 2b 2e [ 175.196086][ C0] RSP: 0018:ffffc9000848f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.204507][ C0] RAX: 1ffff110151ab4b1 RBX: ffff8880a8d5a588 RCX: ffff88809eeca440 [ 175.212494][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026985c0 [ 175.220691][ C0] RBP: ffffc9000848f738 R08: 000000000003a728 R09: fffffbfff124248a [ 175.228666][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a8d5a620 [ 175.236632][ C0] R13: dffffc0000000000 R14: 1ffff110151ab4c4 R15: ffff8880a87b98b8 [ 175.244627][ C0] put_task_stack+0xa3/0x130 [ 175.249218][ C0] finish_task_switch+0x3f1/0x550 [ 175.254265][ C0] __schedule+0x9a8/0xcc0 [ 175.258596][ C0] ? ___preempt_schedule+0x16/0x18 [ 175.263697][ C0] preempt_schedule+0xdb/0x120 [ 175.268454][ C0] ___preempt_schedule+0x16/0x18 [ 175.273390][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 175.278084][ C0] ? vprintk_emit+0x368/0x3a0 [ 175.282762][ C0] vprintk_emit+0x36d/0x3a0 [ 175.287281][ C0] vprintk_default+0x28/0x30 [ 175.291865][ C0] vprintk_func+0x158/0x170 [ 175.296363][ C0] printk+0x62/0x8d [ 175.300165][ C0] ? addrconf_notify+0xb6b/0x3c90 [ 175.305201][ C0] ? addrconf_notify+0x779/0x3c90 [ 175.310400][ C0] addrconf_notify+0x2c8d/0x3c90 [ 175.315354][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 175.320637][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 175.326024][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.331605][ C0] ? trace_hardirqs_on+0x74/0x80 [ 175.336554][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 175.341926][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.347526][ C0] ? tls_dev_event+0x619/0xc00 [ 175.352308][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.357934][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 175.363296][ C0] raw_notifier_call_chain+0xec/0x190 [ 175.368672][ C0] netdev_state_change+0x147/0x1f0 [ 175.374220][ C0] linkwatch_do_dev+0x10e/0x160 [ 175.379070][ C0] __linkwatch_run_queue+0x446/0x730 [ 175.384358][ C0] linkwatch_event+0x4c/0x60 [ 175.388954][ C0] process_one_work+0x7ef/0x10d0 [ 175.393904][ C0] worker_thread+0xc01/0x1630 [ 175.398595][ C0] kthread+0x332/0x350 [ 175.402791][ C0] ? rcu_lock_release+0x30/0x30 [ 175.407656][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.413041][ C0] ret_from_fork+0x24/0x30