[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.572295][ T23] audit: type=1800 audit(1578465009.143:25): pid=8308 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.592329][ T23] audit: type=1800 audit(1578465009.143:26): pid=8308 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.622852][ T23] audit: type=1800 audit(1578465009.143:27): pid=8308 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 '10.128.1.1' (ECDSA) to the list of known hosts. 2020/01/08 06:30:20 fuzzer started 2020/01/08 06:30:22 dialing manager at 10.128.0.26:35703 2020/01/08 06:30:23 syscalls: 2824 2020/01/08 06:30:23 code coverage: enabled 2020/01/08 06:30:23 comparison tracing: enabled 2020/01/08 06:30:23 extra coverage: enabled 2020/01/08 06:30:23 setuid sandbox: enabled 2020/01/08 06:30:23 namespace sandbox: enabled 2020/01/08 06:30:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:30:23 fault injection: enabled 2020/01/08 06:30:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:30:23 net packet injection: enabled 2020/01/08 06:30:23 net device setup: enabled 2020/01/08 06:30:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:30:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:30:24 executing program 0: mbind(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x1, 0x0, 0x0, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, 0x0, &(0x7f0000007640)) mbind(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, 0x0) 06:30:24 executing program 1: syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x2, 0x109302) write$cgroup_type(0xffffffffffffffff, 0x0, 0x0) r0 = open(0x0, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x0) 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) shmget(0x0, 0x4000, 0xa04, &(0x7f0000ffc000/0x4000)=nil) socketpair(0x0, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) r2 = socket$inet(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb), &(0x7f0000cab000)=0xc) r3 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) fchdir(r3) accept$inet(r3, &(0x7f00000008c0)={0x2, 0x0, @empty}, &(0x7f0000000900)=0x10) sendfile(r2, 0xffffffffffffffff, 0x0, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x0) socketpair(0x1e, 0x80005, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x10f, 0x87, 0x0, 0x0) r4 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$BLKTRACETEARDOWN(r4, 0x1276, 0xff00) ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000080)={[], 0x0, 0x400, 0x3ff, 0x0, 0x26}) io_submit(0x0, 0x0, &(0x7f0000000100)) perf_event_open(&(0x7f0000000080)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000000), 0x2}, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8880}, 0x0, 0x6, 0xffffffffffffffff, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x3) getpriority(0x0, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=ANY=[@ANYBLOB, @ANYRES32, @ANYBLOB="0100000000000000280012000c0001007665746800000000ececfac5e025573fb5926c7ae92af81800020814a79f7488f611d01cb85041b7f809000000004600006df0840107d3c3bc1747ef4939dd822dafd6037136a70f304dbcdee66ed673df5c98c00033e06a14e3b513ef72364106b249dd59b35aafee80aa0a9b2e3bbfb4941d2ed7d7fc3c3dae0a3a354339e3572311b364ba77c4e343d199812b3862a78324fd19d159913729e3afec87ff2f99746c2aed6d90fff50cc840f622b17a4a827b1a75", @ANYRES16, @ANYBLOB="56a1320e"], 0x5}}, 0x0) r5 = socket$inet6(0xa, 0x80000, 0x0) dup(r5) r6 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) accept$inet(r6, &(0x7f00000000c0)={0x2, 0x0, @empty}, &(0x7f0000000900)=0x10) setsockopt$packet_fanout_data(r0, 0x107, 0x16, &(0x7f0000000080)={0x0, 0x0}, 0x10) syzkaller login: [ 66.651356][ T8474] IPVS: ftp: loaded support on port[0] = 21 06:30:24 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f3, &(0x7f0000000300)={'\x00', &(0x7f0000000200)=ANY=[@ANYBLOB="0000000042f7c20fb03026608036b60700000001b3002d08152db425a19df02d4554de82fff80000402f"]}) [ 66.816173][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 66.828477][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 66.949721][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.972007][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.980636][ T8474] device bridge_slave_0 entered promiscuous mode [ 66.997762][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.005047][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.013794][ T8474] device bridge_slave_1 entered promiscuous mode [ 67.037024][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.039617][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 67.054062][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.078760][ T8474] team0: Port device team_slave_0 added [ 67.088763][ T8474] team0: Port device team_slave_1 added 06:30:24 executing program 3: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000180)='ns/ipc\x00') socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r2, 0x0) setns(r0, 0x0) [ 67.204712][ T8474] device hsr_slave_0 entered promiscuous mode [ 67.252436][ T8474] device hsr_slave_1 entered promiscuous mode 06:30:24 executing program 4: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_G_FMT(r0, 0xc0d05604, &(0x7f0000000040)={0xa, @raw_data="e48356779ef3d795fa325a92a9f0a26dd2b0675e2e5c4389b5d369490adc8f8c4bcd7c184575cafeeb44820680c483092e36f7a435c05814f77b2536a4e64def7e17cbf77f5306aa65dca64c99ff04d60e10b536f5671a30bb84137d5fa9672f3f87a3c8a0f27a6b7f2390ec2d700bbbd4a6f31bfa46971c33834d18fd6966624e4008d3893cfcab41dfda70da9407088f31d3b114deddc97785d522ebf06842bab316291eb36466e28c1f8b57e04e9499171eab404c84f023f47fa28ccb485fadba598d7c08ebe8"}) [ 67.345095][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 67.356329][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 67.504707][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.512862][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.520960][ T8476] device bridge_slave_0 entered promiscuous mode [ 67.552931][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.560031][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.573809][ T8476] device bridge_slave_1 entered promiscuous mode [ 67.592883][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 67.654228][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 06:30:25 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x0, @dev}]}, &(0x7f0000000600)=0x10) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000000), 0x4) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x6c, &(0x7f0000000480)={r1, @in6={{0xa, 0x0, 0x0, @mcast1}}}, &(0x7f0000000140)=0x2d3) [ 67.744334][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.837762][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.847065][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.904915][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.980717][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 67.986831][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.989100][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 67.994192][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.014194][ T8479] device bridge_slave_0 entered promiscuous mode [ 68.022811][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.037728][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 68.056570][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.063827][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.071482][ T8479] device bridge_slave_1 entered promiscuous mode [ 68.094643][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.106661][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.139217][ T8476] team0: Port device team_slave_0 added [ 68.175232][ T8476] team0: Port device team_slave_1 added [ 68.197131][ T8479] team0: Port device team_slave_0 added [ 68.203128][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.210218][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.220010][ T8482] device bridge_slave_0 entered promiscuous mode [ 68.229151][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.236714][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.244527][ T8482] device bridge_slave_1 entered promiscuous mode [ 68.256008][ T8479] team0: Port device team_slave_1 added [ 68.293492][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.364997][ T8476] device hsr_slave_0 entered promiscuous mode [ 68.402266][ T8476] device hsr_slave_1 entered promiscuous mode [ 68.472250][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.479981][ T8476] Cannot create hsr debugfs directory [ 68.504254][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.584385][ T8479] device hsr_slave_0 entered promiscuous mode [ 68.622202][ T8479] device hsr_slave_1 entered promiscuous mode [ 68.672015][ T8479] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.679631][ T8479] Cannot create hsr debugfs directory [ 68.705964][ T8482] team0: Port device team_slave_0 added [ 68.744927][ T8482] team0: Port device team_slave_1 added [ 68.750712][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 68.824463][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 68.903718][ T8482] device hsr_slave_0 entered promiscuous mode [ 68.952151][ T8482] device hsr_slave_1 entered promiscuous mode [ 68.991940][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.999524][ T8482] Cannot create hsr debugfs directory [ 69.048165][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.058217][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.065466][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.073517][ T8488] device bridge_slave_0 entered promiscuous mode [ 69.082902][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.089958][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.097588][ T8488] device bridge_slave_1 entered promiscuous mode [ 69.161541][ T8476] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.204411][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.217529][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.229522][ T8479] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.303279][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.310369][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.318161][ T8486] device bridge_slave_0 entered promiscuous mode [ 69.326613][ T8476] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.363491][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.372520][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.382033][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.404474][ T8479] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.453848][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.460971][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.468933][ T8486] device bridge_slave_1 entered promiscuous mode [ 69.476847][ T8476] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.540202][ T8488] team0: Port device team_slave_0 added [ 69.547397][ T8479] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.604286][ T8479] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.648976][ T8476] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.704529][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.713612][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.722491][ T3058] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.729638][ T3058] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.738081][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.748007][ T8488] team0: Port device team_slave_1 added [ 69.769310][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.795073][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.805088][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.814247][ T2762] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.821299][ T2762] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.884196][ T8488] device hsr_slave_0 entered promiscuous mode [ 69.912248][ T8488] device hsr_slave_1 entered promiscuous mode [ 69.941960][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.949553][ T8488] Cannot create hsr debugfs directory [ 69.956887][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.983003][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.991888][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.054932][ T8474] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.068364][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.081391][ T8486] team0: Port device team_slave_0 added [ 70.089871][ T8486] team0: Port device team_slave_1 added [ 70.095958][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.104796][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.113261][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.121606][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.130069][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.138401][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.147167][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.155569][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.164096][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.171880][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.182284][ T8482] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.234360][ T8482] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.325528][ T8486] device hsr_slave_0 entered promiscuous mode [ 70.372198][ T8486] device hsr_slave_1 entered promiscuous mode [ 70.412014][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.419688][ T8486] Cannot create hsr debugfs directory [ 70.443653][ T8482] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.484307][ T8482] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.552725][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.606848][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.615161][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.623083][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.630683][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.663881][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.672376][ T8486] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.708074][ T8486] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.759484][ T8486] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.813948][ T8486] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.854442][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.882512][ T8488] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.917822][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.936441][ T8488] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.985433][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.994973][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.004493][ T3058] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.011534][ T3058] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.019160][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.028097][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.036739][ T3058] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.044078][ T3058] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.073248][ T8488] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.103873][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.111781][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.132556][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.145885][ T3058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.159126][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.172517][ T8488] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.213051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.220758][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.229171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.247432][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.271081][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.280015][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.289805][ T3056] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.297015][ T3056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.305656][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.314415][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.323091][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.331477][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.339932][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.348344][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.357037][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.365485][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.374923][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.382960][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.401599][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.418364][ T8474] device veth0_vlan entered promiscuous mode [ 71.431488][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.440128][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.448366][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.456684][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.465285][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.473845][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.483162][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.490229][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.498980][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.526756][ T8474] device veth1_vlan entered promiscuous mode [ 71.545792][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.553979][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.561757][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.570056][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.579598][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.588340][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.596230][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.604043][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.612944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.621270][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.628367][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.635977][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.644549][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.654145][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.676630][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.687973][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.700109][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.708953][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.717620][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.726462][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.735675][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.744577][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.784369][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.793843][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.803000][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.811312][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.821779][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.829686][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.838248][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.846816][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.855600][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.864869][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.878748][ T8476] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.905225][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.916005][ T8482] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.929998][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.945402][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.953958][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.962729][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.970949][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.979545][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.989054][ T3056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.006796][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.033407][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.031803][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.038657][ C0] rcu: 0-...!: (10499 ticks this GP) idle=52a/1/0x4000000000000002 softirq=13879/13879 fqs=1 [ 177.049841][ C0] (t=10501 jiffies g=6441 q=150) [ 177.054868][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.065979][ C0] rcu: RCU grace-period kthread stack dump: [ 177.071873][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.079788][ C0] Call Trace: [ 177.083088][ C0] __schedule+0x9a0/0xcc0 [ 177.087454][ C0] schedule+0x181/0x210 [ 177.091631][ C0] schedule_timeout+0x14f/0x240 [ 177.096507][ C0] ? run_local_timers+0x120/0x120 [ 177.101548][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.106333][ C0] kthread+0x332/0x350 [ 177.110397][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.115519][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.120118][ C0] ret_from_fork+0x24/0x30 [ 177.124654][ C0] NMI backtrace for cpu 0 [ 177.128997][ C0] CPU: 0 PID: 8474 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.137571][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.147728][ C0] Call Trace: [ 177.151131][ C0] [ 177.153986][ C0] dump_stack+0x1fb/0x318 [ 177.158325][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.163185][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.169335][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.175443][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.181423][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.187312][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.192549][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.197746][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.202765][ C0] update_process_times+0x12d/0x180 [ 177.208063][ C0] tick_sched_timer+0x263/0x420 [ 177.212951][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.218511][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.223741][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.228703][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.234128][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.239691][ C0] apic_timer_interrupt+0xf/0x20 [ 177.244634][ C0] [ 177.247573][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 177.253420][ C0] Code: 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 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 177.273040][ C0] RSP: 0018:ffffc90001f17bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.281452][ C0] RAX: 0000000000000001 RBX: ffffea00028a2cc0 RCX: 0000000000000000 [ 177.289436][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028a2cc0 [ 177.297426][ C0] RBP: ffffc90001f17c08 R08: dffffc0000000000 R09: fffffbfff12c962d [ 177.305515][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff88808bda6020 [ 177.313487][ C0] R13: dffffc0000000000 R14: 1ffff110117b4c04 R15: ffff888092b09538 [ 177.321480][ C0] put_task_stack+0xa3/0x130 [ 177.326062][ C0] finish_task_switch+0x3f1/0x550 [ 177.331081][ C0] __schedule+0x9a8/0xcc0 [ 177.335441][ C0] schedule+0x181/0x210 [ 177.339595][ C0] do_nanosleep+0x1d0/0x6c0 [ 177.344102][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 177.349056][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.354872][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 177.359999][ C0] do_syscall_64+0xf7/0x1c0 [ 177.364497][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.370509][ C0] RIP: 0033:0x4593f0 [ 177.374417][ C0] 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 [ 177.394016][ C0] RSP: 002b:00007ffecc7f8518 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 177.402417][ C0] RAX: ffffffffffffffda RBX: 000000000001194d RCX: 00000000004593f0 [ 177.410394][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffecc7f8520 [ 177.418365][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 000000000153a940 [ 177.426327][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 177.434285][ C0] R13: 00007ffecc7f8570 R14: 0000000000011948 R15: 00007ffecc7f8580