[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.602963][ T23] audit: type=1800 audit(1578464089.271:25): pid=8434 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.641588][ T23] audit: type=1800 audit(1578464089.271:26): pid=8434 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.695852][ T23] audit: type=1800 audit(1578464089.271:27): pid=8434 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 '10.128.0.94' (ECDSA) to the list of known hosts. 2020/01/08 06:15:00 fuzzer started 2020/01/08 06:15:01 dialing manager at 10.128.0.26:35703 2020/01/08 06:15:01 syscalls: 2824 2020/01/08 06:15:01 code coverage: enabled 2020/01/08 06:15:01 comparison tracing: enabled 2020/01/08 06:15:01 extra coverage: enabled 2020/01/08 06:15:01 setuid sandbox: enabled 2020/01/08 06:15:01 namespace sandbox: enabled 2020/01/08 06:15:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:15:01 fault injection: enabled 2020/01/08 06:15:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:15:01 net packet injection: enabled 2020/01/08 06:15:01 net device setup: enabled 2020/01/08 06:15:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:15:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:15:02 executing program 0: r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ttynull\x00', 0x0, 0x0) ioctl$TIOCSSOFTCAR(r0, 0x541a, 0x0) 06:15:02 executing program 1: r0 = shmget$private(0x0, 0x13000, 0x0, &(0x7f0000feb000/0x13000)=nil) r1 = shmat(r0, &(0x7f0000fed000/0x1000)=nil, 0x6ffd) mremap(&(0x7f0000fed000/0x4000)=nil, 0x4000, 0x3000, 0x3, &(0x7f0000ff9000/0x3000)=nil) shmdt(r1) syzkaller login: [ 68.070140][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 68.228279][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 68.273674][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.281246][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.289381][ T8599] device bridge_slave_0 entered promiscuous mode [ 68.300186][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.307803][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.316747][ T8599] device bridge_slave_1 entered promiscuous mode 06:15:03 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.bfq.weight\x00', 0x2, 0x0) write$cgroup_int(r1, 0x0, 0x0) [ 68.334939][ T8602] IPVS: ftp: loaded support on port[0] = 21 [ 68.345684][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.358076][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.397343][ T8599] team0: Port device team_slave_0 added [ 68.416897][ T8599] team0: Port device team_slave_1 added [ 68.476161][ T8599] device hsr_slave_0 entered promiscuous mode [ 68.542166][ T8599] device hsr_slave_1 entered promiscuous mode 06:15:03 executing program 3: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl(r0, 0xfffffbfffff3ffa7, &(0x7f0000000140)) [ 68.612340][ T8604] IPVS: ftp: loaded support on port[0] = 21 [ 68.820301][ T8602] chnl_net:caif_netlink_parms(): no params data found [ 68.849392][ T8607] IPVS: ftp: loaded support on port[0] = 21 06:15:03 executing program 4: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) 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$inet6_sctp(0xa, 0x80000000000001, 0x84) getsockopt$inet6_int(r0, 0x29, 0x50, 0x0, &(0x7f0000013000)) close(0xffffffffffffffff) [ 68.880267][ T8599] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.957434][ T8599] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.005364][ T8599] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.083300][ T8599] netdevsim netdevsim0 netdevsim3: renamed from eth3 06:15:03 executing program 5: r0 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$inet6_int(r0, 0x28, 0x0, 0x0, &(0x7f00000000c0)) [ 69.143148][ T8604] chnl_net:caif_netlink_parms(): no params data found [ 69.157106][ T8602] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.165192][ T8602] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.173699][ T8602] device bridge_slave_0 entered promiscuous mode [ 69.183247][ T8602] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.190333][ T8602] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.198495][ T8602] device bridge_slave_1 entered promiscuous mode [ 69.210270][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.217471][ T8599] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.217999][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.231810][ T8599] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.242166][ T8610] IPVS: ftp: loaded support on port[0] = 21 [ 69.296644][ T8602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.307322][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.318160][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.343579][ T8602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.366499][ T8602] team0: Port device team_slave_0 added [ 69.396753][ T8602] team0: Port device team_slave_1 added [ 69.410026][ T8612] IPVS: ftp: loaded support on port[0] = 21 [ 69.483200][ T8602] device hsr_slave_0 entered promiscuous mode [ 69.541900][ T8602] device hsr_slave_1 entered promiscuous mode [ 69.581710][ T8602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.589473][ T8602] Cannot create hsr debugfs directory [ 69.624007][ T8604] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.631125][ T8604] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.638922][ T8604] device bridge_slave_0 entered promiscuous mode [ 69.648075][ T8604] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.655323][ T8604] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.663216][ T8604] device bridge_slave_1 entered promiscuous mode [ 69.748566][ T8604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.762973][ T8604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.788274][ T8604] team0: Port device team_slave_0 added [ 69.810806][ T8610] chnl_net:caif_netlink_parms(): no params data found [ 69.826228][ T8604] team0: Port device team_slave_1 added [ 69.832399][ T8607] chnl_net:caif_netlink_parms(): no params data found [ 69.914720][ T8604] device hsr_slave_0 entered promiscuous mode [ 69.951921][ T8604] device hsr_slave_1 entered promiscuous mode [ 69.991649][ T8604] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.999229][ T8604] Cannot create hsr debugfs directory [ 70.089781][ T8602] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.143634][ T8610] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.150708][ T8610] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.160116][ T8610] device bridge_slave_0 entered promiscuous mode [ 70.189163][ T8599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.199435][ T8602] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.242783][ T8610] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.249852][ T8610] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.258274][ T8610] device bridge_slave_1 entered promiscuous mode [ 70.274866][ T8612] chnl_net:caif_netlink_parms(): no params data found [ 70.284198][ T8607] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.291240][ T8607] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.299399][ T8607] device bridge_slave_0 entered promiscuous mode [ 70.306659][ T8602] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.367546][ T8610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.377699][ T8607] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.385774][ T8607] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.393494][ T8607] device bridge_slave_1 entered promiscuous mode [ 70.407601][ T8602] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.478263][ T8610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.524144][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.533340][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.547772][ T8599] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.559753][ T8612] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.567325][ T8612] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.575224][ T8612] device bridge_slave_0 entered promiscuous mode [ 70.585273][ T8612] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.592433][ T8612] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.600282][ T8612] device bridge_slave_1 entered promiscuous mode [ 70.609601][ T8607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.624840][ T8607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.642350][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.651296][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.660788][ T3221] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.667861][ T3221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.675556][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.684464][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.693439][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.700637][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.709755][ T8610] team0: Port device team_slave_0 added [ 70.717425][ T8610] team0: Port device team_slave_1 added [ 70.755739][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.766337][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.798485][ T8612] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.854405][ T8610] device hsr_slave_0 entered promiscuous mode [ 70.891946][ T8610] device hsr_slave_1 entered promiscuous mode [ 70.951720][ T8610] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.959304][ T8610] Cannot create hsr debugfs directory [ 70.984350][ T8607] team0: Port device team_slave_0 added [ 70.992260][ T8612] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.002546][ T8607] team0: Port device team_slave_1 added [ 71.015435][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.024379][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.033886][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.044908][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.053583][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.061233][ T8604] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.111287][ T8599] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.122204][ T8599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.152596][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.160808][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.169466][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.178676][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.186917][ T8604] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.254714][ T8604] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.315829][ T8604] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.381684][ T8612] team0: Port device team_slave_0 added [ 71.387774][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.399558][ T8612] team0: Port device team_slave_1 added [ 71.454392][ T8607] device hsr_slave_0 entered promiscuous mode [ 71.492833][ T8607] device hsr_slave_1 entered promiscuous mode [ 71.531686][ T8607] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.539272][ T8607] Cannot create hsr debugfs directory [ 71.551472][ T8602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.614270][ T8612] device hsr_slave_0 entered promiscuous mode [ 71.652031][ T8612] device hsr_slave_1 entered promiscuous mode [ 71.701785][ T8612] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.709379][ T8612] Cannot create hsr debugfs directory [ 71.726460][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.733919][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.758807][ T8599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.770693][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.779184][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.790695][ T8602] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.846896][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.855579][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.866443][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.873547][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.881070][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.889790][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.898045][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.905114][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.913567][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.945205][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.955307][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.964310][ T3222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.020462][ T8610] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.056851][ T8610] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.113584][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.122042][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.130104][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.138866][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.148562][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.157364][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.165282][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.173178][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.206551][ T8612] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.243488][ T8610] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.293674][ T8599] device veth0_vlan entered promiscuous mode [ 72.317497][ T8612] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.352773][ T8610] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.406879][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.418064][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.426456][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.435089][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.443511][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.451829][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.459907][ T8607] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.526416][ T8602] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.539694][ T8612] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.574693][ T8599] device veth1_vlan entered promiscuous mode [ 72.582710][ T8607] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.635745][ T8604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.650577][ T8612] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.688919][ T8607] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.747374][ T8607] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.810199][ T8604] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.831026][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.840039][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.848007][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.855940][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.885653][ T8602] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.911735][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.920903][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.930088][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.937209][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.945027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.953712][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.962244][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.969282][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.976929][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.985501][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.033842][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.043965][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.053219][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.062594][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.071192][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.080120][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.094482][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.169459][ T8612] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.195939][ T8612] 8021q: adding VLAN 0 to HW filter on device team0 [ 178.081504][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 178.088491][ C1] (detected by 1, t=10502 jiffies, g=6857, q=321) [ 178.094999][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10490 (4294954962-4294944472), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 178.108341][ C1] syz-executor.0 R running task 24296 8599 8598 0x0000400a [ 178.116240][ C1] Call Trace: [ 178.119514][ C1] [ 178.122361][ C1] sched_show_task+0x40f/0x560 [ 178.127121][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 178.132404][ C1] update_process_times+0x12d/0x180 [ 178.137593][ C1] tick_sched_timer+0x263/0x420 [ 178.142435][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.147968][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.153167][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.158109][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.163386][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.168921][ C1] apic_timer_interrupt+0xf/0x20 [ 178.173842][ C1] [ 178.176769][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 178.182908][ C1] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 178.202499][ C1] RSP: 0018:ffffc90001f17b98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.211016][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88808a8981c0 [ 178.218979][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00021d3340 [ 178.226937][ C1] RBP: ffffc90001f17bc0 R08: 000000000003a728 R09: ffffed10151efb01 [ 178.234893][ C1] R10: ffffed10151efb01 R11: 0000000000000000 R12: dffffc0000000000 [ 178.242852][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8f7d7f8 [ 178.250834][ C1] ? mod_memcg_page_state+0x123/0x190 [ 178.256200][ C1] ? free_thread_stack+0x124/0x590 [ 178.261297][ C1] ? mod_memcg_page_state+0x123/0x190 [ 178.266656][ C1] free_thread_stack+0x168/0x590 [ 178.271587][ C1] put_task_stack+0xa3/0x130 [ 178.276165][ C1] finish_task_switch+0x3f1/0x550 [ 178.281182][ C1] __schedule+0x9a8/0xcc0 [ 178.285507][ C1] schedule+0x181/0x210 [ 178.289650][ C1] do_nanosleep+0x1d0/0x6c0 [ 178.294151][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 178.299080][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 178.304877][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 178.310002][ C1] do_syscall_64+0xf7/0x1c0 [ 178.314495][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.320370][ C1] RIP: 0033:0x4593f0 [ 178.324261][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 178.343871][ C1] RSP: 002b:00007ffe151906e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 178.352273][ C1] RAX: ffffffffffffffda RBX: 0000000000011d61 RCX: 00000000004593f0 [ 178.360236][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe151906f0 [ 178.368209][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000026f4940 [ 178.376182][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 178.384146][ C1] R13: 00007ffe15190740 R14: 0000000000011d3f R15: 00007ffe15190750 [ 178.392134][ C1] rcu: rcu_preempt kthread starved for 10520 jiffies! g6857 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.403219][ C1] rcu: RCU grace-period kthread stack dump: [ 178.410228][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.418120][ C1] Call Trace: [ 178.421403][ C1] __schedule+0x9a0/0xcc0 [ 178.425737][ C1] schedule+0x181/0x210 [ 178.429886][ C1] schedule_timeout+0x14f/0x240 [ 178.434835][ C1] ? run_local_timers+0x120/0x120 [ 178.439850][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.444610][ C1] kthread+0x332/0x350 [ 178.448667][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.453779][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.458356][ C1] ret_from_fork+0x24/0x30