[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.405812][ T27] audit: type=1800 audit(1578470243.492:25): pid=8329 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.431356][ T27] audit: type=1800 audit(1578470243.492:26): pid=8329 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.464821][ T27] audit: type=1800 audit(1578470243.492:27): pid=8329 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 '10.128.0.119' (ECDSA) to the list of known hosts. 2020/01/08 07:57:34 fuzzer started 2020/01/08 07:57:36 dialing manager at 10.128.0.26:35703 2020/01/08 07:57:36 syscalls: 2824 2020/01/08 07:57:36 code coverage: enabled 2020/01/08 07:57:36 comparison tracing: enabled 2020/01/08 07:57:36 extra coverage: enabled 2020/01/08 07:57:36 setuid sandbox: enabled 2020/01/08 07:57:36 namespace sandbox: enabled 2020/01/08 07:57:36 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:57:36 fault injection: enabled 2020/01/08 07:57:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:57:36 net packet injection: enabled 2020/01/08 07:57:36 net device setup: enabled 2020/01/08 07:57:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:57:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:57:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/dev_snmp6\x00') r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f00003b9fdc)) r4 = syz_open_pts(r3, 0x0) dup3(r4, r2, 0x0) ioctl$TIOCSSERIAL(r2, 0x541e, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x3f1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 07:57:37 executing program 1: r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) r2 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f0000000380)='X', 0x1, 0xfffffffffffffffe) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r2}, &(0x7f0000000440)=""/243, 0xf3, 0x0) syzkaller login: [ 65.819400][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 65.974212][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 66.019113][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.027572][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.036471][ T8495] device bridge_slave_0 entered promiscuous mode [ 66.045541][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.053109][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.061099][ T8495] device bridge_slave_1 entered promiscuous mode [ 66.085262][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.097114][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.119703][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 66.120505][ T8495] team0: Port device team_slave_0 added 07:57:38 executing program 2: r0 = socket$inet6(0xa, 0x100000003, 0x1) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000000)=0x8, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000180)={0xa, 0x0, 0xfffffffffffffffe, @remote}, 0x1c) [ 66.134899][ T8495] team0: Port device team_slave_1 added [ 66.203639][ T8495] device hsr_slave_0 entered promiscuous mode [ 66.241229][ T8495] device hsr_slave_1 entered promiscuous mode [ 66.304437][ T8500] IPVS: ftp: loaded support on port[0] = 21 07:57:38 executing program 3: prlimit64(0x0, 0x2, &(0x7f0000000080), 0x0) mremap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x3002, 0x0, &(0x7f0000ffd000/0x3000)=nil) [ 66.486788][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 66.545330][ T8495] netdevsim netdevsim0 netdevsim0: renamed from eth0 07:57:38 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xbfffffffffffffff, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000640)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x18000000000002a0, 0x2b, 0xfffffffffffffe7f, &(0x7f0000000500)="b9ff0300600d698cb89e14f088641fffffff00000057632f77fbac14140ee934a0a662079f4b4d2f87e5feca6aab845013f2325f1a39010108038da1924425181aa5", 0x0, 0x100, 0x60000000, 0x0, 0xfffffffffffffe09}, 0x28) [ 66.645594][ T8495] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.703194][ T8495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.756222][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.771018][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.791459][ T8498] device bridge_slave_0 entered promiscuous mode [ 66.800573][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.809922][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.819944][ T8498] device bridge_slave_1 entered promiscuous mode [ 66.829279][ T8495] netdevsim netdevsim0 netdevsim3: renamed from eth3 07:57:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000040)='SEG6\x00') sendmsg$SEG6_CMD_DUMPHMAC(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f00000001c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@SEG6_ATTR_ALGID={0x8}, @SEG6_ATTR_DSTLEN={0x8}]}, 0x24}}, 0x0) [ 66.933524][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 66.943035][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.960600][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 66.968476][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 67.011391][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.030403][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.037709][ T8495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.045391][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.052529][ T8495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.085232][ T3211] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.095944][ T3211] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.117955][ T8508] IPVS: ftp: loaded support on port[0] = 21 [ 67.122482][ T8498] team0: Port device team_slave_0 added [ 67.130548][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.139645][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.147999][ T8500] device bridge_slave_0 entered promiscuous mode [ 67.157392][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.165011][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.172929][ T8500] device bridge_slave_1 entered promiscuous mode [ 67.188954][ T8498] team0: Port device team_slave_1 added [ 67.253053][ T8498] device hsr_slave_0 entered promiscuous mode [ 67.291359][ T8498] device hsr_slave_1 entered promiscuous mode [ 67.351053][ T8498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.359919][ T8498] Cannot create hsr debugfs directory [ 67.408946][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.422390][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.468057][ T8500] team0: Port device team_slave_0 added [ 67.475793][ T8500] team0: Port device team_slave_1 added [ 67.573884][ T8500] device hsr_slave_0 entered promiscuous mode [ 67.631230][ T8500] device hsr_slave_1 entered promiscuous mode [ 67.671003][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.678901][ T8500] Cannot create hsr debugfs directory [ 67.756793][ T8498] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.794222][ T8498] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.842815][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 67.866133][ T8498] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.925015][ T8498] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.000996][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.020193][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 68.087244][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 68.102876][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.112344][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.125035][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.132460][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.143519][ T8506] device bridge_slave_0 entered promiscuous mode [ 68.150563][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.158414][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.169165][ T8504] device bridge_slave_0 entered promiscuous mode [ 68.179808][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.186954][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.194830][ T8504] device bridge_slave_1 entered promiscuous mode [ 68.211779][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.219018][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.227925][ T8506] device bridge_slave_1 entered promiscuous mode [ 68.249682][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.276514][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.293401][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.332917][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.353704][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.364247][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.372605][ T3210] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.379731][ T3210] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.387578][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.397201][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.406348][ T3210] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.413400][ T3210] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.420824][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.448236][ T8500] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.497913][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.508448][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.517200][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.526205][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.534940][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.543883][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.552389][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.560992][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.569710][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.586631][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.594370][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.602691][ T8508] device bridge_slave_0 entered promiscuous mode [ 68.612263][ T8506] team0: Port device team_slave_0 added [ 68.619214][ T8500] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.686329][ T8500] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.763525][ T8506] team0: Port device team_slave_1 added [ 68.769771][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.776959][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.785287][ T8508] device bridge_slave_1 entered promiscuous mode [ 68.800321][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.808930][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.819914][ T8495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.828970][ T8500] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.907330][ T8504] team0: Port device team_slave_0 added [ 68.917389][ T8504] team0: Port device team_slave_1 added [ 68.934641][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.993982][ T8506] device hsr_slave_0 entered promiscuous mode [ 69.041360][ T8506] device hsr_slave_1 entered promiscuous mode [ 69.101019][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.110185][ T8506] Cannot create hsr debugfs directory [ 69.133800][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.214653][ T8504] device hsr_slave_0 entered promiscuous mode [ 69.251406][ T8504] device hsr_slave_1 entered promiscuous mode [ 69.331116][ T8504] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.338862][ T8504] Cannot create hsr debugfs directory [ 69.345834][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.371024][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.380030][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.408779][ T8508] team0: Port device team_slave_0 added [ 69.420768][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.443111][ T8508] team0: Port device team_slave_1 added [ 69.454196][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.462517][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.487420][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.573945][ T8508] device hsr_slave_0 entered promiscuous mode [ 69.621243][ T8508] device hsr_slave_1 entered promiscuous mode [ 69.661042][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.669053][ T8508] Cannot create hsr debugfs directory [ 69.683935][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.692574][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.701992][ T2823] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.709023][ T2823] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.716669][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.725559][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.734100][ T2823] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.741287][ T2823] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.758363][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.767246][ T8506] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.826092][ T8506] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.865357][ T8506] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.917607][ T8506] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.975391][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.984697][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.993812][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.021649][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.030288][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.039787][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.048345][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.057885][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.066245][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.074762][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.085664][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.110316][ T8498] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.122766][ T8498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.153977][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.162768][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.183978][ T8504] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.254706][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.266820][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.275912][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.285555][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.293458][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.303040][ T8504] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.356970][ T8504] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.404043][ T8504] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.470149][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.478820][ T8495] device veth0_vlan entered promiscuous mode [ 70.490601][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.499682][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.507367][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.515089][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.526371][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.562519][ T8495] device veth1_vlan entered promiscuous mode [ 70.587142][ T8508] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.633441][ T8508] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.672493][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.680397][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.689129][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.697825][ T3211] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.704881][ T3211] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.713523][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.722342][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.730573][ T3211] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.738658][ T3211] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.763807][ T8508] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.803669][ T8508] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.853267][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.861613][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.869540][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.903723][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.913148][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.921878][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.930147][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.938460][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.946691][ T2823] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.966297][ T8498] device veth0_vlan entered promiscuous mode [ 71.005267][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.018248][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.033266][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.055658][ T2695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.080608][ T8500] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.098283][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.142713][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.189397][ T8500] device veth0_vlan entered promiscuous mode [ 71.216102][ T8498] device veth1_vlan entered promiscuous mode [ 71.278166][ T8504] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.307862][ T8504] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.360536][ T8504] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.376418][ T8504] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.411583][ T8504] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.458844][ T8504] device veth0_vlan entered promiscuous mode [ 71.477104][ T8504] device veth1_vlan entered promiscuous mode [ 176.040899][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.047754][ C1] rcu: 1-....: (10499 ticks this GP) idle=c02/1/0x4000000000000002 softirq=14037/14037 fqs=2731 [ 176.058492][ C1] (t=10500 jiffies g=6669 q=1115) [ 176.063598][ C1] rcu: rcu_preempt kthread starved for 5019 jiffies! g6669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.074605][ C1] rcu: RCU grace-period kthread stack dump: [ 176.080490][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.088395][ C1] Call Trace: [ 176.091681][ C1] __schedule+0x9a0/0xcc0 [ 176.096015][ C1] schedule+0x181/0x210 [ 176.100256][ C1] schedule_timeout+0x14f/0x240 [ 176.105097][ C1] ? run_local_timers+0x120/0x120 [ 176.110116][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.114976][ C1] kthread+0x332/0x350 [ 176.119032][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.124129][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.128726][ C1] ret_from_fork+0x24/0x30 [ 176.133148][ C1] NMI backtrace for cpu 1 [ 176.137647][ C1] CPU: 1 PID: 8513 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.146214][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.156254][ C1] Call Trace: [ 176.159523][ C1] [ 176.162365][ C1] dump_stack+0x1fb/0x318 [ 176.166688][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.171524][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.177802][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.183872][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.189887][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.195776][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.200884][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.206096][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.211304][ C1] update_process_times+0x12d/0x180 [ 176.217126][ C1] tick_sched_timer+0x263/0x420 [ 176.221997][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.227539][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.232756][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.237698][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.242974][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.248511][ C1] apic_timer_interrupt+0xf/0x20 [ 176.253432][ C1] [ 176.256362][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 176.262070][ C1] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 176.281660][ C1] RSP: 0018:ffffc900026a76d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.290619][ C1] RAX: 1ffff11011f71671 RBX: ffff88808fb8b388 RCX: ffff8880a87e2100 [ 176.298669][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026f9240 [ 176.306627][ C1] RBP: ffffc900026a7710 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.314776][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808fb8b1a0 [ 176.322755][ C1] R13: dffffc0000000000 R14: 1ffff11011f71634 R15: ffff88808f2455f8 [ 176.330739][ C1] ? free_thread_stack+0x168/0x590 [ 176.335845][ C1] put_task_stack+0xa3/0x130 [ 176.340424][ C1] finish_task_switch+0x3f1/0x550 [ 176.345562][ C1] __schedule+0x9a8/0xcc0 [ 176.349893][ C1] preempt_schedule_irq+0xc1/0x140 [ 176.354994][ C1] retint_kernel+0x1b/0x2b [ 176.359403][ C1] RIP: 0010:lock_acquire+0x1b2/0x250 [ 176.364686][ C1] Code: c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 68 95 2a 89 e8 02 7a 57 00 48 83 3d 92 e8 ce 07 00 0f 84 9c 00 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 [ 176.384463][ C1] RSP: 0018:ffffc900026a7928 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 176.392871][ C1] RAX: 1ffffffff12552ad RBX: 0000000000000000 RCX: ffffffff815c83e2 [ 176.400832][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 176.408793][ C1] RBP: ffffc900026a7980 R08: dffffc0000000000 R09: fffffbfff140cf1f [ 176.416765][ C1] R10: fffffbfff140cf1f R11: 0000000000000000 R12: 0000000000000001 [ 176.424728][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880aa008ad8 [ 176.432715][ C1] ? validate_chain+0x92/0x7bc0 [ 176.437586][ C1] down_read+0x39/0x50 [ 176.441657][ C1] ? walk_component+0x2c2/0x5f0 [ 176.446498][ C1] walk_component+0x2c2/0x5f0 [ 176.451863][ C1] ? inode_permission+0xe0/0x520 [ 176.456808][ C1] link_path_walk+0x75b/0x1410 [ 176.461580][ C1] path_openat+0x139/0x4240 [ 176.466076][ C1] ? __kasan_kmalloc+0x178/0x1b0 [ 176.471015][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 176.476749][ C1] do_filp_open+0x192/0x3d0 [ 176.481265][ C1] ? noop_direct_IO+0x20/0x20 [ 176.485946][ C1] do_sys_open+0x29f/0x560 [ 176.490360][ C1] __x64_sys_open+0x87/0x90 [ 176.494853][ C1] do_syscall_64+0xf7/0x1c0 [ 176.504037][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.509914][ C1] RIP: 0033:0x414cc0 [ 176.513814][ C1] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d ad 37 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 176.533683][ C1] RSP: 002b:00007ffe4a3cff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 176.542085][ C1] RAX: ffffffffffffffda RBX: 00007ffe4a3cff74 RCX: 0000000000414cc0 [ 176.550048][ C1] RDX: 00007ffe4a3cff7a RSI: 0000000000080001 RDI: 00000000004c0a49 [ 176.558006][ C1] RBP: 00007ffe4a3cff70 R08: 0000000000000000 R09: 0000000000000004 [ 176.565965][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c0a49 [ 176.573935][ C1] R13: 00007ffe4a3d0490 R14: 0000000000000000 R15: 00007ffe4a3d04a0