[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.073161][ T23] audit: type=1800 audit(1578468204.097:25): pid=8378 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.101206][ T23] audit: type=1800 audit(1578468204.097:26): pid=8378 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.155117][ T23] audit: type=1800 audit(1578468204.097:27): pid=8378 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 '10.128.0.37' (ECDSA) to the list of known hosts. 2020/01/08 07:23:37 fuzzer started 2020/01/08 07:23:38 dialing manager at 10.128.0.26:35703 2020/01/08 07:23:38 syscalls: 2824 2020/01/08 07:23:38 code coverage: enabled 2020/01/08 07:23:38 comparison tracing: enabled 2020/01/08 07:23:38 extra coverage: enabled 2020/01/08 07:23:38 setuid sandbox: enabled 2020/01/08 07:23:38 namespace sandbox: enabled 2020/01/08 07:23:38 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:23:38 fault injection: enabled 2020/01/08 07:23:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:23:38 net packet injection: enabled 2020/01/08 07:23:38 net device setup: enabled 2020/01/08 07:23:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:23:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:23:39 executing program 0: openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r0, 0x0, 0xca, &(0x7f0000000000)=0x10001, 0x10) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r3, 0x0, 0xcb, &(0x7f0000000000)=0x10001, 0x10) 07:23:39 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000d80)={&(0x7f00000000c0)={0x2, 0x0, @local}, 0x10, 0x0, 0x0, &(0x7f0000000c80)=[@mask_fadd={0x58, 0x114, 0x8, {{}, 0x0, 0x0}}], 0x58}, 0x0) syzkaller login: [ 70.887720][ T8544] IPVS: ftp: loaded support on port[0] = 21 [ 71.047909][ T8544] chnl_net:caif_netlink_parms(): no params data found [ 71.094072][ T8544] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.102576][ T8544] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.110548][ T8544] device bridge_slave_0 entered promiscuous mode [ 71.133252][ T8544] bridge0: port 2(bridge_slave_1) entered blocking state 07:23:40 executing program 2: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000d80)={&(0x7f00000000c0)={0x2, 0x0, @local}, 0x10, &(0x7f00000007c0)=[{0x0, 0x28e}, {&(0x7f0000000340)=""/221, 0xdd}, {0x0}], 0x3, &(0x7f0000000c80)=[@mask_fadd={0x58, 0x114, 0x8, {{}, 0x0, 0x0}}, @rdma_args={0x48, 0x114, 0x1, {{}, {0x0}, &(0x7f0000000b80)=[{&(0x7f0000000940)=""/90, 0x5a}], 0x1}}], 0xa0}, 0x0) [ 71.140378][ T8544] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.148669][ T8544] device bridge_slave_1 entered promiscuous mode [ 71.164360][ T8547] IPVS: ftp: loaded support on port[0] = 21 [ 71.193112][ T8544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.205749][ T8544] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.256928][ T8544] team0: Port device team_slave_0 added [ 71.275763][ T8544] team0: Port device team_slave_1 added 07:23:40 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x5aeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x7a02, &(0x7f00000000c0)=[{&(0x7f0000000000)="2e0000002f008151e00f80ecdb4cb9040f4865160b00030014000000120000140e0009001500cd5edc2976d153b4", 0x2e}], 0x1}, 0x0) [ 71.354084][ T8544] device hsr_slave_0 entered promiscuous mode [ 71.393256][ T8544] device hsr_slave_1 entered promiscuous mode [ 71.477189][ T8549] IPVS: ftp: loaded support on port[0] = 21 [ 71.578752][ T8552] IPVS: ftp: loaded support on port[0] = 21 [ 71.614292][ T8547] chnl_net:caif_netlink_parms(): no params data found 07:23:40 executing program 4: syz_open_procfs(0x0, 0x0) ioctl$TCSETSW(0xffffffffffffffff, 0x5403, 0x0) r0 = syz_open_procfs(0x0, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000000040)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f00000004c0)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_hmac_sha1\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, 0x0, 0x0) socket$packet(0x11, 0x0, 0x300) write$FUSE_NOTIFY_POLL(0xffffffffffffffff, &(0x7f0000000300)={0x18, 0x1, 0x0, {0x57a}}, 0x18) getrlimit(0x6, &(0x7f0000000240)) write$UHID_CREATE(0xffffffffffffffff, &(0x7f00000000c0), 0x120) accept$alg(0xffffffffffffffff, 0x0, 0x0) [ 71.806423][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.814794][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.832591][ T8547] device bridge_slave_0 entered promiscuous mode [ 71.865528][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 71.878691][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 71.896294][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state 07:23:41 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) r1 = getpgrp(0xffffffffffffffff) sendmsg$unix(r0, &(0x7f00000008c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000800)=[@cred={{0x1c, 0x1, 0x2, {r1, 0xee00}}}], 0x20}, 0x0) ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x0) [ 71.913836][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.924644][ T8547] device bridge_slave_1 entered promiscuous mode [ 71.934855][ T8544] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.032551][ T8544] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.084522][ T8544] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.144901][ T8544] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.226227][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.239666][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.249268][ T8557] IPVS: ftp: loaded support on port[0] = 21 [ 72.310341][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.317538][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.325565][ T8549] device bridge_slave_0 entered promiscuous mode [ 72.337184][ T8552] chnl_net:caif_netlink_parms(): no params data found [ 72.347178][ T8547] team0: Port device team_slave_0 added [ 72.354652][ T8547] team0: Port device team_slave_1 added [ 72.373115][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.380173][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.387968][ T8549] device bridge_slave_1 entered promiscuous mode [ 72.407869][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.420531][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.458508][ T8549] team0: Port device team_slave_0 added [ 72.466986][ T8549] team0: Port device team_slave_1 added [ 72.513274][ T8547] device hsr_slave_0 entered promiscuous mode [ 72.571814][ T8547] device hsr_slave_1 entered promiscuous mode [ 72.621398][ T8547] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.629085][ T8547] Cannot create hsr debugfs directory [ 72.743374][ T8549] device hsr_slave_0 entered promiscuous mode [ 72.771591][ T8549] device hsr_slave_1 entered promiscuous mode [ 72.841264][ T8549] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.848831][ T8549] Cannot create hsr debugfs directory [ 72.890525][ T8552] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.898636][ T8552] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.906463][ T8552] device bridge_slave_0 entered promiscuous mode [ 72.917601][ T8552] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.925387][ T8552] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.933129][ T8552] device bridge_slave_1 entered promiscuous mode [ 73.025397][ T8557] chnl_net:caif_netlink_parms(): no params data found [ 73.058801][ T8552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.073960][ T8552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.087559][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 73.158469][ T8549] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.193706][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.200819][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.208608][ T8555] device bridge_slave_0 entered promiscuous mode [ 73.220514][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.227783][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.235846][ T8555] device bridge_slave_1 entered promiscuous mode [ 73.242841][ T8547] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 73.295170][ T8552] team0: Port device team_slave_0 added [ 73.301887][ T8549] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.370858][ T8557] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.379812][ T8557] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.387922][ T8557] device bridge_slave_0 entered promiscuous mode [ 73.400115][ T8547] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 73.464363][ T8552] team0: Port device team_slave_1 added [ 73.473482][ T8549] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.517626][ T8549] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.573586][ T8557] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.580875][ T8557] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.589281][ T8557] device bridge_slave_1 entered promiscuous mode [ 73.603173][ T8547] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.657357][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.668575][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.684596][ T8547] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 73.774490][ T8552] device hsr_slave_0 entered promiscuous mode [ 73.811622][ T8552] device hsr_slave_1 entered promiscuous mode [ 73.861435][ T8552] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.869057][ T8552] Cannot create hsr debugfs directory [ 73.880571][ T8557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.894780][ T8544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.910495][ T8555] team0: Port device team_slave_0 added [ 73.922090][ T8557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.943093][ T8555] team0: Port device team_slave_1 added [ 73.956288][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.964915][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.983522][ T8544] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.054919][ T8555] device hsr_slave_0 entered promiscuous mode [ 74.111553][ T8555] device hsr_slave_1 entered promiscuous mode [ 74.171345][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.179019][ T8555] Cannot create hsr debugfs directory [ 74.204649][ T8557] team0: Port device team_slave_0 added [ 74.212537][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.224448][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.232997][ T2758] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.240228][ T2758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.267208][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.276986][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.286982][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.295966][ T2731] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.303053][ T2731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.311673][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.323455][ T8557] team0: Port device team_slave_1 added [ 74.382855][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.392682][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.401325][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.474948][ T8557] device hsr_slave_0 entered promiscuous mode [ 74.531638][ T8557] device hsr_slave_1 entered promiscuous mode [ 74.581253][ T8557] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.588819][ T8557] Cannot create hsr debugfs directory [ 74.600008][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.607739][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.616569][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.625028][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.633474][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.642066][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.650262][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.660920][ T8544] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.700694][ T8555] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.758678][ T8555] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.795260][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.811673][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.819160][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.827239][ T8555] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.875787][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.898357][ T8555] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.926178][ T8544] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.940573][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.948486][ T8552] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.975925][ T8552] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 75.034639][ T8552] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 75.075210][ T8552] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.133227][ T8547] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.140167][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.148094][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.155880][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.163733][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.212544][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.225180][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.233838][ T2695] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.240906][ T2695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.249242][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.257815][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.266491][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.275150][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.283644][ T2695] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.290688][ T2695] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.298405][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.306875][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.315396][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.323916][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.332347][ T2695] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.339378][ T2695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.347058][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.356251][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.364683][ T2695] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.371774][ T2695] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.382446][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.390236][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.429859][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.438723][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.447561][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.456233][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.464891][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.473412][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.488021][ T8544] device veth0_vlan entered promiscuous mode [ 75.508257][ T8557] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.557860][ T8557] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.613511][ T8557] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.655610][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.663296][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.670809][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.678586][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.687258][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.696486][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.704883][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.713593][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.722519][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.730755][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.739505][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.748173][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.756746][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.765084][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.773877][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.782675][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.797230][ T8544] device veth1_vlan entered promiscuous mode [ 75.813083][ T8557] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.849355][ T8547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.860262][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.868890][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.885015][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.925679][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.934000][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.949433][ T8547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.967573][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.981367][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.989758][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.013819][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.047243][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.056386][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.075049][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.091475][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.100092][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.122803][ T8552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.164065][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.175159][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.190726][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.200674][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.214665][ T2695] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.221764][ T2695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.235080][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.245543][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.261122][ T2695] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.268245][ T2695] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.281973][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.290205][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.305762][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.317029][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.328264][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 181.321147][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.327969][ C1] rcu: 1-...!: (1 GPs behind) idle=932/1/0x4000000000000002 softirq=13260/13263 fqs=33 [ 181.337996][ C1] (t=10501 jiffies g=7305 q=91) [ 181.342938][ C1] rcu: rcu_preempt kthread starved for 10436 jiffies! g7305 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.354030][ C1] rcu: RCU grace-period kthread stack dump: [ 181.359911][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 181.367822][ C1] Call Trace: [ 181.371129][ C1] __schedule+0x9a0/0xcc0 [ 181.375466][ C1] schedule+0x181/0x210 [ 181.379622][ C1] schedule_timeout+0x14f/0x240 [ 181.384487][ C1] ? run_local_timers+0x120/0x120 [ 181.389511][ C1] rcu_gp_kthread+0xed8/0x1770 [ 181.394283][ C1] kthread+0x332/0x350 [ 181.398344][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 181.403452][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.408036][ C1] ret_from_fork+0x24/0x30 [ 181.412466][ C1] NMI backtrace for cpu 1 [ 181.416801][ C1] CPU: 1 PID: 8544 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.425375][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.435426][ C1] Call Trace: [ 181.438704][ C1] [ 181.441549][ C1] dump_stack+0x1fb/0x318 [ 181.445871][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.450707][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.456849][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.462903][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.468873][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.474755][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.479872][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.485080][ C1] ? trace_hardirqs_off+0x74/0x80 [ 181.490120][ C1] update_process_times+0x12d/0x180 [ 181.495319][ C1] tick_sched_timer+0x263/0x420 [ 181.500168][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.505708][ C1] __hrtimer_run_queues+0x403/0x840 [ 181.510916][ C1] hrtimer_interrupt+0x38c/0xda0 [ 181.515859][ C1] ? debug_smp_processor_id+0x9/0x20 [ 181.521135][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 181.526676][ C1] apic_timer_interrupt+0xf/0x20 [ 181.531596][ C1] [ 181.534613][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 181.540319][ C1] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 <48> 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 [ 181.559921][ C1] RSP: 0018:ffffc90001e77bd0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 181.568322][ C1] RAX: ffffffff81489244 RBX: ffffea00025ea100 RCX: ffff88809892c000 [ 181.576284][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025ea100 [ 181.584251][ C1] RBP: ffffc90001e77c08 R08: 000000000003a728 R09: ffffed10121616c9 [ 181.592209][ C1] R10: ffffed10121616c9 R11: 0000000000000000 R12: ffff8880a0239320 [ 181.600173][ C1] R13: dffffc0000000000 R14: 1ffff11014047264 R15: ffff888090b0b638 [ 181.608146][ C1] ? free_thread_stack+0x124/0x590 [ 181.613257][ C1] put_task_stack+0xa3/0x130 [ 181.617836][ C1] finish_task_switch+0x3f1/0x550 [ 181.622853][ C1] __schedule+0x9a8/0xcc0 [ 181.627180][ C1] schedule+0x181/0x210 [ 181.631326][ C1] do_nanosleep+0x1d0/0x6c0 [ 181.635828][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 181.640756][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 181.646554][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 181.651657][ C1] do_syscall_64+0xf7/0x1c0 [ 181.656150][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.662028][ C1] RIP: 0033:0x4593f0 [ 181.665925][ 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 [ 181.685525][ C1] RSP: 002b:00007ffde1e0a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 181.693941][ C1] RAX: ffffffffffffffda RBX: 000000000001296b RCX: 00000000004593f0 [ 181.701916][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffde1e0a8f0 [ 181.709883][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001ee8940 [ 181.717852][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 181.725818][ C1] R13: 00007ffde1e0a940 R14: 000000000001296b R15: 00007ffde1e0a950