[ 42.400519][ T25] audit: type=1800 audit(1575377250.436:26): pid=7926 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.442686][ T25] audit: type=1800 audit(1575377250.446:27): pid=7926 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.462939][ T25] audit: type=1800 audit(1575377250.446:28): pid=7926 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 43.214274][ T25] audit: type=1800 audit(1575377251.276:29): pid=7926 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. 2019/12/03 12:47:42 fuzzer started 2019/12/03 12:47:44 dialing manager at 10.128.0.26:45711 2019/12/03 12:47:44 syscalls: 2689 2019/12/03 12:47:44 code coverage: enabled 2019/12/03 12:47:44 comparison tracing: enabled 2019/12/03 12:47:44 extra coverage: extra coverage is not supported by the kernel 2019/12/03 12:47:44 setuid sandbox: enabled 2019/12/03 12:47:44 namespace sandbox: enabled 2019/12/03 12:47:44 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 12:47:44 fault injection: enabled 2019/12/03 12:47:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 12:47:44 net packet injection: enabled 2019/12/03 12:47:44 net device setup: enabled 2019/12/03 12:47:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 12:47:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:47:45 executing program 0: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) r0 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000240)={r0, 0x13, 0x0, 0x0, 0x0}, 0x20) 12:47:45 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000180)={'vxcan1\x00', 0x0}) ioctl$sock_inet6_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000280)={@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x0, r2}) syzkaller login: [ 57.257826][ T8091] IPVS: ftp: loaded support on port[0] = 21 [ 57.398696][ T8091] chnl_net:caif_netlink_parms(): no params data found [ 57.416226][ T8094] IPVS: ftp: loaded support on port[0] = 21 [ 57.479845][ T8091] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.487837][ T8091] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.495802][ T8091] device bridge_slave_0 entered promiscuous mode [ 57.514722][ T8091] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.522170][ T8091] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.529921][ T8091] device bridge_slave_1 entered promiscuous mode 12:47:45 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = eventfd(0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x28, 0x12, @veth={{0xc, 0x1, 'veth\x00'}, {0x18, 0x2, @VETH_INFO_PEER={0x14, 0x1, {0x0, 0x0, 0x0, r5}}}}}]}, 0x48}}, 0x0) [ 57.576700][ T8094] chnl_net:caif_netlink_parms(): no params data found [ 57.612905][ T8091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.654412][ T8091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.704868][ T8094] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.712081][ T8094] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.719903][ T8094] device bridge_slave_0 entered promiscuous mode [ 57.733453][ T8091] team0: Port device team_slave_0 added [ 57.734844][ T8097] IPVS: ftp: loaded support on port[0] = 21 [ 57.745396][ T8091] team0: Port device team_slave_1 added [ 57.754895][ T8094] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.762448][ T8094] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.770217][ T8094] device bridge_slave_1 entered promiscuous mode 12:47:45 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0x2, 0x4, 0x4, 0x100000009}, 0x2c) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x7, 0x2, &(0x7f0000000040)=@raw=[@map_val={0x18, 0x0, 0x2, 0x0, r0}], &(0x7f00000000c0)='GPL\x00', 0x4, 0x1127, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 57.862989][ T8091] device hsr_slave_0 entered promiscuous mode [ 57.932750][ T8091] device hsr_slave_1 entered promiscuous mode [ 57.982429][ T8094] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.030845][ T8094] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 12:47:46 executing program 4: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000340)={0x0, 0x0}) close(r0) setsockopt$sock_attach_bpf(r1, 0x10f, 0x87, &(0x7f0000000180), 0x127) sendmsg$tipc(r1, &(0x7f0000000500)={&(0x7f0000000280)=@nameseq={0x1e, 0x0}, 0x10, 0x0}, 0x0) [ 58.078746][ T8094] team0: Port device team_slave_0 added [ 58.092003][ T8094] team0: Port device team_slave_1 added [ 58.097905][ T8091] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.163034][ T8091] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.248731][ T8099] IPVS: ftp: loaded support on port[0] = 21 [ 58.254742][ T8091] netdevsim netdevsim0 netdevsim2: renamed from eth2 12:47:46 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r2, 0x6, 0x13, &(0x7f0000000000)=0x1, 0x1f) bind$inet(r2, &(0x7f0000000100)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000000c0)=0x2, 0x4) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000080)='bond0\x00', 0x10) connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @loopback}, 0x10) [ 58.313069][ T8091] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.360066][ T8097] chnl_net:caif_netlink_parms(): no params data found [ 58.391245][ T8102] IPVS: ftp: loaded support on port[0] = 21 [ 58.431887][ T8094] device hsr_slave_0 entered promiscuous mode [ 58.480642][ T8094] device hsr_slave_1 entered promiscuous mode [ 58.540469][ T8094] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.597732][ T8104] IPVS: ftp: loaded support on port[0] = 21 [ 58.638198][ T8097] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.645460][ T8097] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.653084][ T8097] device bridge_slave_0 entered promiscuous mode [ 58.678476][ T8097] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.685990][ T8097] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.695091][ T8097] device bridge_slave_1 entered promiscuous mode [ 58.710075][ T8094] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.742218][ T8094] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.819953][ T8094] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.882706][ T8097] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.897223][ T8097] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.908414][ T8094] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.991637][ T8097] team0: Port device team_slave_0 added [ 59.026959][ T8099] chnl_net:caif_netlink_parms(): no params data found [ 59.045236][ T8097] team0: Port device team_slave_1 added [ 59.112539][ T8097] device hsr_slave_0 entered promiscuous mode [ 59.151157][ T8097] device hsr_slave_1 entered promiscuous mode [ 59.200423][ T8097] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.219844][ T8102] chnl_net:caif_netlink_parms(): no params data found [ 59.263245][ T8099] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.270792][ T8099] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.278347][ T8099] device bridge_slave_0 entered promiscuous mode [ 59.286581][ T8099] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.293916][ T8099] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.301612][ T8099] device bridge_slave_1 entered promiscuous mode [ 59.325605][ T8102] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.332841][ T8102] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.340486][ T8102] device bridge_slave_0 entered promiscuous mode [ 59.348105][ T8102] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.355414][ T8102] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.363181][ T8102] device bridge_slave_1 entered promiscuous mode [ 59.379562][ T8099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.419985][ T8102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.430681][ T8099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.452556][ T8099] team0: Port device team_slave_0 added [ 59.460200][ T8099] team0: Port device team_slave_1 added [ 59.472207][ T8097] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.534156][ T8102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.569310][ T8097] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.604202][ T8091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.612875][ T8102] team0: Port device team_slave_0 added [ 59.623737][ T8102] team0: Port device team_slave_1 added [ 59.649719][ T8094] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.666780][ T8097] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.752040][ T8097] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.843017][ T8099] device hsr_slave_0 entered promiscuous mode [ 59.881048][ T8099] device hsr_slave_1 entered promiscuous mode [ 59.920423][ T8099] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.940044][ T8094] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.972825][ T8102] device hsr_slave_0 entered promiscuous mode [ 60.010776][ T8102] device hsr_slave_1 entered promiscuous mode [ 60.050534][ T8102] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.058799][ T8104] chnl_net:caif_netlink_parms(): no params data found [ 60.067733][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.076440][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.097179][ T8091] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.117317][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.126397][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.135078][ T3885] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.142258][ T3885] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.150073][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.158606][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.166682][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.190846][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.199825][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.208742][ T2723] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.215847][ T2723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.223733][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.232456][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.240814][ T2723] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.247853][ T2723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.279464][ T8099] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.311697][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.319498][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.328443][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.337019][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.346033][ T2723] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.353135][ T2723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.397559][ T8099] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.461709][ T8102] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.528667][ T8102] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.572569][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.584134][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.592742][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.601362][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.609598][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.618476][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.627015][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.635469][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.644020][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.652738][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.660522][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.674073][ T8099] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.723300][ T8104] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.730914][ T8104] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.738521][ T8104] device bridge_slave_0 entered promiscuous mode [ 60.746561][ T8102] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.803299][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.812156][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.820818][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.829148][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.846569][ T8097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.856067][ T8099] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.892770][ T8104] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.899850][ T8104] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.908247][ T8104] device bridge_slave_1 entered promiscuous mode [ 60.915724][ T8102] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.966367][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.974722][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.983089][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.992920][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.003872][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.028021][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.037846][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.047033][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.055673][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.065986][ T8094] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.089017][ T8091] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.097376][ T8104] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.116849][ T8097] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.125723][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.133359][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.152419][ T8104] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.186128][ T8104] team0: Port device team_slave_0 added [ 61.203817][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.212478][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.221609][ T2723] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.228648][ T2723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.236293][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.245594][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.254125][ T2723] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.261246][ T2723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.269467][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.285518][ T8094] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.298548][ T8104] team0: Port device team_slave_1 added [ 61.322230][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.346310][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.360548][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.374594][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.387574][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.396566][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.410387][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.419127][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.439675][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 166.380284][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.387382][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8113 [ 166.394830][ C0] (detected by 0, t=10503 jiffies, g=5953, q=75) [ 166.401224][ C0] syz-executor.0 R running task 28864 8113 8091 0x0000400e [ 166.409109][ C0] Call Trace: [ 166.412393][ C0] [ 166.415235][ C0] sched_show_task+0x40f/0x560 [ 166.419992][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 166.425272][ C0] update_process_times+0x12d/0x180 [ 166.430456][ C0] tick_sched_timer+0x263/0x420 [ 166.435291][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.440821][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.446017][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.450958][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.456232][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.461762][ C0] apic_timer_interrupt+0xf/0x20 [ 166.466679][ C0] [ 166.469604][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 166.475743][ C0] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 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 [ 166.495332][ C0] RSP: 0018:ffffc90002677538 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.503728][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff888093516340 [ 166.511683][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b0eb40 [ 166.519639][ C0] RBP: ffffc90002677560 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.527596][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 166.535551][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a873fa28 [ 166.543517][ C0] ? mod_memcg_page_state+0x123/0x190 [ 166.548877][ C0] ? free_thread_stack+0x124/0x590 [ 166.553971][ C0] ? mod_memcg_page_state+0x123/0x190 [ 166.559328][ C0] free_thread_stack+0x168/0x590 [ 166.564256][ C0] put_task_stack+0xa3/0x130 [ 166.568829][ C0] finish_task_switch+0x3f1/0x550 [ 166.575669][ C0] __schedule+0x9a8/0xcc0 [ 166.579994][ C0] ? stack_trace_save+0x150/0x150 [ 166.585010][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 166.590800][ C0] preempt_schedule_notrace+0xdb/0x120 [ 166.596242][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 166.601859][ C0] ? rcu_is_watching+0x57/0xa0 [ 166.606605][ C0] rcu_is_watching+0x82/0xa0 [ 166.611182][ C0] is_bpf_text_address+0x318/0x370 [ 166.616290][ C0] ? stack_trace_save+0x150/0x150 [ 166.621300][ C0] __kernel_text_address+0x9a/0x110 [ 166.626481][ C0] unwind_get_return_address+0x4c/0x90 [ 166.631925][ C0] arch_stack_walk+0x98/0xe0 [ 166.636510][ C0] stack_trace_save+0xb6/0x150 [ 166.641261][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 166.646013][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 166.650930][ C0] ? kasan_kmalloc+0x9/0x10 [ 166.655416][ C0] ? __kmalloc+0x254/0x340 [ 166.659812][ C0] ? tomoyo_encode2+0x273/0x5a0 [ 166.664655][ C0] ? tomoyo_realpath_from_path+0x769/0x7c0 [ 166.670440][ C0] ? tomoyo_path_number_perm+0x166/0x640 [ 166.676054][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 166.680973][ C0] ? security_file_ioctl+0x6d/0xd0 [ 166.686067][ C0] ? __x64_sys_ioctl+0xa3/0x120 [ 166.690906][ C0] ? do_syscall_64+0xf7/0x1c0 [ 166.695563][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.701616][ C0] ? __dentry_path+0x1c1/0x620 [ 166.706363][ C0] ? rcu_lock_release+0x9/0x30 [ 166.711118][ C0] ? rcu_lock_release+0x9/0x30 [ 166.715875][ C0] ? tomoyo_encode2+0x273/0x5a0 [ 166.720713][ C0] ? __kmalloc+0x1c0/0x340 [ 166.725122][ C0] ? tomoyo_encode2+0x273/0x5a0 [ 166.729953][ C0] kasan_kmalloc+0x9/0x10 [ 166.734268][ C0] __kmalloc+0x254/0x340 [ 166.738493][ C0] ? tomoyo_encode2+0x273/0x5a0 [ 166.743328][ C0] tomoyo_encode2+0x273/0x5a0 [ 166.747993][ C0] tomoyo_realpath_from_path+0x769/0x7c0 [ 166.753615][ C0] tomoyo_path_number_perm+0x166/0x640 [ 166.759081][ C0] ? smack_file_ioctl+0x226/0x2e0 [ 166.764098][ C0] ? __fget+0x441/0x510 [ 166.768242][ C0] tomoyo_file_ioctl+0x23/0x30 [ 166.772988][ C0] security_file_ioctl+0x6d/0xd0 [ 166.777911][ C0] __x64_sys_ioctl+0xa3/0x120 [ 166.782576][ C0] do_syscall_64+0xf7/0x1c0 [ 166.787075][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.792953][ C0] RIP: 0033:0x45a4e7 [ 166.796834][ C0] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.816419][ C0] RSP: 002b:00007fe950760ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 166.824812][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a4e7 [ 166.832787][ C0] RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000e8 [ 166.840745][ C0] RBP: 000000000075bfa8 R08: 00007fe950761700 R09: 00007fe950761700 [ 166.848702][ C0] R10: 00007fe9507619d0 R11: 0000000000000246 R12: 0000000000000000 [ 166.856658][ C0] R13: 00007ffee834a04f R14: 00007fe9507619c0 R15: 000000000075bf2c [ 166.864635][ C0] rcu: rcu_preempt kthread starved for 10550 jiffies! g5953 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 166.875886][ C0] rcu: RCU grace-period kthread stack dump: [ 166.881757][ C0] rcu_preempt I29032 10 2 0x80004000 [ 166.888075][ C0] Call Trace: [ 166.891354][ C0] __schedule+0x9a0/0xcc0 [ 166.895678][ C0] schedule+0x181/0x210 [ 166.899821][ C0] schedule_timeout+0x14f/0x240 [ 166.904657][ C0] ? run_local_timers+0x120/0x120 [ 166.909671][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.914430][ C0] kthread+0x332/0x350 [ 166.918482][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.923576][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.928150][ C0] ret_from_fork+0x24/0x30