[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.270768][ T26] audit: type=1800 audit(1578468963.091:25): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.289736][ T26] audit: type=1800 audit(1578468963.101:26): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.332066][ T26] audit: type=1800 audit(1578468963.101:27): pid=8360 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 '10.128.0.130' (ECDSA) to the list of known hosts. 2020/01/08 07:36:11 fuzzer started 2020/01/08 07:36:12 dialing manager at 10.128.0.26:35703 2020/01/08 07:36:12 syscalls: 2824 2020/01/08 07:36:12 code coverage: enabled 2020/01/08 07:36:12 comparison tracing: enabled 2020/01/08 07:36:12 extra coverage: enabled 2020/01/08 07:36:12 setuid sandbox: enabled 2020/01/08 07:36:12 namespace sandbox: enabled 2020/01/08 07:36:12 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:36:12 fault injection: enabled 2020/01/08 07:36:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:36:12 net packet injection: enabled 2020/01/08 07:36:12 net device setup: enabled 2020/01/08 07:36:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:36:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:36:13 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f000025c000)={0x0, 0x70, 0x3e5, 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 = syz_open_dev$usbfs(&(0x7f0000001280)='/dev/bus/usb/00#/00#\x00', 0x1aa1, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(fcrypt)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, 0x0, 0x0) r2 = accept(r1, 0x0, 0x0) sendmsg$SEG6_CMD_SET_TUNSRC(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4a020000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000300000014004c2c80a7ec467d96060cd9a61bd464d59430"], 0xfffffd33}}, 0x8000051) recvmsg(r2, &(0x7f000000b680)={0x0, 0x231, &(0x7f000000b600)=[{&(0x7f000000b4c0)=""/5, 0x5}, {&(0x7f000000b500)=""/153, 0x7fffeffb}], 0x2}, 0x0) wait4(0x0, 0x0, 0x0, 0x0) r3 = memfd_create(&(0x7f0000000040)='4\xacXrcO\b\xc4ut/eve\x94\xa1m\x1e\x12\x8ai,\xbeTnt#\x00', 0x0) write$P9_RGETATTR(r3, &(0x7f0000000080)={0xa0, 0x19, 0x0, {0x401, {}, 0x88, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000, 0x1}}, 0xa0) execveat(r3, &(0x7f0000000000)='\x00', 0x0, 0x0, 0x1100) r4 = semget$private(0x0, 0x20000000102, 0x0) semop(r4, &(0x7f0000000080)=[{}], 0x1) 07:36:14 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = io_uring_setup(0x13a, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2}) io_uring_enter(r0, 0xf67, 0x0, 0x0, 0x0, 0x0) syzkaller login: [ 59.334350][ T8528] IPVS: ftp: loaded support on port[0] = 21 [ 59.393027][ T8530] IPVS: ftp: loaded support on port[0] = 21 07:36:14 executing program 2: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00'}, 0x48) [ 59.488498][ T8528] chnl_net:caif_netlink_parms(): no params data found [ 59.592118][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 59.615646][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.622744][ T8528] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.643508][ T8528] device bridge_slave_0 entered promiscuous mode [ 59.676485][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.694176][ T8528] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.704422][ T8528] device bridge_slave_1 entered promiscuous mode [ 59.734166][ T8528] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.746027][ T8528] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.767948][ T8534] IPVS: ftp: loaded support on port[0] = 21 [ 59.775233][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.782387][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.790510][ T8530] device bridge_slave_0 entered promiscuous mode 07:36:14 executing program 3: timer_create(0x3, &(0x7f0000000080)={0x0, 0x11}, &(0x7f0000000200)) timer_settime(0x0, 0x1, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x9}}, &(0x7f0000d43000)) [ 59.821135][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.830248][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.838158][ T8530] device bridge_slave_1 entered promiscuous mode [ 59.849808][ T8528] team0: Port device team_slave_0 added [ 59.873341][ T8528] team0: Port device team_slave_1 added [ 59.899352][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.975821][ T8528] device hsr_slave_0 entered promiscuous mode [ 59.993458][ T8528] device hsr_slave_1 entered promiscuous mode 07:36:14 executing program 4: syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) bind$bt_l2cap(r0, &(0x7f0000000200)={0x1f, 0x21, {}, 0x0, 0x2}, 0xe) [ 60.037376][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.057993][ T8536] IPVS: ftp: loaded support on port[0] = 21 [ 60.108288][ T8530] team0: Port device team_slave_0 added [ 60.130272][ T8530] team0: Port device team_slave_1 added [ 60.285720][ T8530] device hsr_slave_0 entered promiscuous mode [ 60.323481][ T8530] device hsr_slave_1 entered promiscuous mode 07:36:15 executing program 5: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) r1 = dup2(r0, r0) getsockopt$ax25_int(r1, 0x101, 0x0, &(0x7f0000000000), &(0x7f0000000080)=0x4) [ 60.377564][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.385597][ T8530] Cannot create hsr debugfs directory [ 60.407719][ T8534] chnl_net:caif_netlink_parms(): no params data found [ 60.457831][ T8539] IPVS: ftp: loaded support on port[0] = 21 [ 60.488980][ T8528] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.559676][ T8528] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.629564][ T8541] IPVS: ftp: loaded support on port[0] = 21 [ 60.649536][ T8528] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.724859][ T8528] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.781777][ T8534] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.789633][ T8534] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.797477][ T8534] device bridge_slave_0 entered promiscuous mode [ 60.820634][ T8534] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.828921][ T8534] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.837052][ T8534] device bridge_slave_1 entered promiscuous mode [ 60.844591][ T8536] chnl_net:caif_netlink_parms(): no params data found [ 60.884536][ T8534] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.912318][ T8534] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.932802][ T8530] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.997754][ T8534] team0: Port device team_slave_0 added [ 61.006577][ T8530] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.056639][ T8530] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.117661][ T8530] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.188913][ T8534] team0: Port device team_slave_1 added [ 61.212346][ T8536] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.220376][ T8536] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.228538][ T8536] device bridge_slave_0 entered promiscuous mode [ 61.238655][ T8536] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.245814][ T8536] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.253869][ T8536] device bridge_slave_1 entered promiscuous mode [ 61.285673][ T8536] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.336103][ T8534] device hsr_slave_0 entered promiscuous mode [ 61.393590][ T8534] device hsr_slave_1 entered promiscuous mode [ 61.435225][ T8534] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.442842][ T8534] Cannot create hsr debugfs directory [ 61.468283][ T8536] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.501714][ T8539] chnl_net:caif_netlink_parms(): no params data found [ 61.548864][ T8536] team0: Port device team_slave_0 added [ 61.557001][ T8536] team0: Port device team_slave_1 added [ 61.623458][ T8539] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.630540][ T8539] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.639136][ T8539] device bridge_slave_0 entered promiscuous mode [ 61.648994][ T8541] chnl_net:caif_netlink_parms(): no params data found [ 61.676195][ T8539] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.683514][ T8539] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.691216][ T8539] device bridge_slave_1 entered promiscuous mode [ 61.710129][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.766808][ T8536] device hsr_slave_0 entered promiscuous mode [ 61.813552][ T8536] device hsr_slave_1 entered promiscuous mode [ 61.873473][ T8536] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.881047][ T8536] Cannot create hsr debugfs directory [ 61.917398][ T8534] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.983316][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.991923][ T8539] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.002496][ T8534] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.048576][ T8534] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.096445][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.104933][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.125836][ T8528] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.144981][ T8539] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.165279][ T8534] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.206380][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.215615][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.224271][ T2888] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.231433][ T2888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.240000][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.249486][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.257854][ T2888] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.264912][ T2888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.272473][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.292321][ T8541] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.299962][ T8541] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.308217][ T8541] device bridge_slave_0 entered promiscuous mode [ 62.327277][ T8539] team0: Port device team_slave_0 added [ 62.338050][ T8539] team0: Port device team_slave_1 added [ 62.345316][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.354887][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.363813][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.371447][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.380290][ T8541] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.387625][ T8541] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.396444][ T8541] device bridge_slave_1 entered promiscuous mode [ 62.419990][ T8528] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.433764][ T8541] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.475844][ T8541] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.496310][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.505840][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.514678][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.522995][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.532001][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.540940][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.549299][ T2877] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.556385][ T2877] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.563976][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.573747][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.582117][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.590849][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.599648][ T2877] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.607961][ T2877] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.615594][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.623985][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.632440][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.641419][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.649302][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.694968][ T8539] device hsr_slave_0 entered promiscuous mode [ 62.726340][ T8539] device hsr_slave_1 entered promiscuous mode [ 62.783391][ T8539] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.790966][ T8539] Cannot create hsr debugfs directory [ 62.824451][ T8541] team0: Port device team_slave_0 added [ 62.832404][ T8541] team0: Port device team_slave_1 added [ 62.838866][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.849098][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.858736][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.868189][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.893336][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.902790][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.912201][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.920784][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.929503][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.936965][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.005903][ T8541] device hsr_slave_0 entered promiscuous mode [ 63.046450][ T8541] device hsr_slave_1 entered promiscuous mode [ 63.084039][ T8541] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.092140][ T8541] Cannot create hsr debugfs directory [ 63.108526][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.119822][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.129710][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.149329][ T8536] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.197089][ T8536] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.246507][ T8530] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.276963][ T8536] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.318829][ T8536] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.395281][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.402730][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.430141][ T8528] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.452805][ T8539] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.484674][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.496451][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.527281][ T8539] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.587550][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.595866][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.606015][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.616769][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.627074][ T8530] device veth0_vlan entered promiscuous mode [ 63.644266][ T8539] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.715679][ T8539] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.762624][ T8530] device veth1_vlan entered promiscuous mode [ 63.771849][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.780155][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.790084][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.809468][ T8541] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.868165][ T8541] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.920317][ T8541] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.965883][ T8541] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.009044][ T8528] device veth0_vlan entered promiscuous mode [ 64.041012][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.049636][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.086904][ T8528] device veth1_vlan entered promiscuous mode [ 64.096604][ T8534] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.110472][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.118489][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.126525][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.175811][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.192381][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.211677][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.266221][ T8536] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.289340][ T8536] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.344342][ T8536] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.361103][ T8536] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.403902][ T8536] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.451121][ T8536] device veth0_vlan entered promiscuous mode [ 64.469593][ T8536] device veth1_vlan entered promiscuous mode [ 169.203127][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.209916][ C1] rcu: 1-....: (10499 ticks this GP) idle=452/1/0x4000000000000002 softirq=11906/11906 fqs=2768 [ 169.220901][ C1] (t=10501 jiffies g=6521 q=760) [ 169.225941][ C1] rcu: rcu_preempt kthread starved for 4965 jiffies! g6521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.236941][ C1] rcu: RCU grace-period kthread stack dump: [ 169.242835][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.250726][ C1] Call Trace: [ 169.254016][ C1] __schedule+0x9a0/0xcc0 [ 169.258347][ C1] schedule+0x181/0x210 [ 169.262496][ C1] schedule_timeout+0x14f/0x240 [ 169.267337][ C1] ? run_local_timers+0x120/0x120 [ 169.272355][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.277133][ C1] kthread+0x332/0x350 [ 169.281188][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.286323][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.290904][ C1] ret_from_fork+0x24/0x30 [ 169.295322][ C1] NMI backtrace for cpu 1 [ 169.299641][ C1] CPU: 1 PID: 8546 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.308208][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.318247][ C1] Call Trace: [ 169.321531][ C1] [ 169.324373][ C1] dump_stack+0x1fb/0x318 [ 169.328692][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.333553][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.339695][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.345751][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.351741][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.357623][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.362727][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.367919][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.372949][ C1] update_process_times+0x12d/0x180 [ 169.378135][ C1] tick_sched_timer+0x263/0x420 [ 169.382981][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.388515][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.393734][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.398704][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.403994][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.409531][ C1] apic_timer_interrupt+0xf/0x20 [ 169.414451][ C1] [ 169.417380][ C1] RIP: 0010:free_thread_stack+0x14c/0x590 [ 169.423110][ C1] Code: 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 55 94 6a 00 48 8b 3b be fc ff ff [ 169.442713][ C1] RSP: 0018:ffffc90002177a90 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 169.451115][ C1] RAX: 1ffff11013e207b1 RBX: ffff88809f103d88 RCX: 0000000000000000 [ 169.459074][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029d5c00 [ 169.467049][ C1] RBP: ffffc90002177ac8 R08: 000000000003a728 R09: fffffbfff124248a [ 169.475030][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809f103e20 [ 169.482997][ C1] R13: dffffc0000000000 R14: 1ffff11013e207c4 R15: ffff8880a1d97738 [ 169.490988][ C1] put_task_stack+0xa3/0x130 [ 169.495571][ C1] finish_task_switch+0x3f1/0x550 [ 169.500593][ C1] __schedule+0x9a8/0xcc0 [ 169.504920][ C1] ? ___preempt_schedule+0x16/0x18 [ 169.510023][ C1] preempt_schedule+0xdb/0x120 [ 169.514777][ C1] ___preempt_schedule+0x16/0x18 [ 169.519705][ C1] _raw_spin_unlock+0x3a/0x40 [ 169.524369][ C1] do_read_fault+0x4d6/0x9e0 [ 169.528954][ C1] handle_mm_fault+0x1bb8/0x2890 [ 169.533908][ C1] do_user_addr_fault+0x589/0xaf0 [ 169.538930][ C1] __do_page_fault+0xd3/0x1f0 [ 169.543608][ C1] do_page_fault+0x99/0xb0 [ 169.548032][ C1] page_fault+0x39/0x40 [ 169.552182][ C1] RIP: 0033:0x443583 [ 169.556090][ C1] Code: 00 00 00 00 00 66 90 66 0f 6e ce 89 f8 25 ff 0f 00 00 66 0f 60 c9 3d c0 0f 00 00 66 0f 61 c9 66 0f 70 c9 00 0f 8f 4d 01 00 00 0f 6f 07 66 0f ef db 66 0f 6f e0 66 0f 74 c1 66 0f 74 e3 66 0f [ 169.575683][ C1] RSP: 002b:00007ffd53854db8 EFLAGS: 00010283 [ 169.581735][ C1] RAX: 00000000000008fd RBX: 00007ffd53855320 RCX: 00000000fbad8001 [ 169.589696][ C1] RDX: 00007ffd53855498 RSI: 0000000000000025 RDI: 00000000004c08fd [ 169.597666][ C1] RBP: 00007ffd53855310 R08: 0000000000000000 R09: 00007ffd53855498 [ 169.605633][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004c08fd [ 169.613598][ C1] R13: 00007ffd53855498 R14: 00007ffd53855498 R15: 0000000000000000