[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.427481][ T26] audit: type=1800 audit(1578453839.635:25): pid=8481 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.456462][ T26] audit: type=1800 audit(1578453839.635:26): pid=8481 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.497282][ T26] audit: type=1800 audit(1578453839.635:27): pid=8481 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 '10.128.0.230' (ECDSA) to the list of known hosts. 2020/01/08 03:24:08 fuzzer started 2020/01/08 03:24:10 dialing manager at 10.128.0.26:35703 2020/01/08 03:24:10 syscalls: 2824 2020/01/08 03:24:10 code coverage: enabled 2020/01/08 03:24:10 comparison tracing: enabled 2020/01/08 03:24:10 extra coverage: enabled 2020/01/08 03:24:10 setuid sandbox: enabled 2020/01/08 03:24:10 namespace sandbox: enabled 2020/01/08 03:24:10 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:24:10 fault injection: enabled 2020/01/08 03:24:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:24:10 net packet injection: enabled 2020/01/08 03:24:10 net device setup: enabled 2020/01/08 03:24:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:24:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:24:11 executing program 0: mlockall(0x3) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0xffffffffffffffff, r1) io_setup(0xb, &(0x7f0000000040)) 03:24:11 executing program 1: sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3, 0x0, 0xffff, 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, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x1) r0 = socket(0x1e, 0x2, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind(r0, &(0x7f0000670000)=@generic={0x1e, "01fd000000000000000000000000fc00000005a121b80c00000000800000002e0a53b232394a0000000100000000ffff0f82e52b0a669ae43a620170a00021f069ca021f6f65dc1161e7068f358c00f9ecff1458d1ea03000030ffff000000090003b9c8ead200c577aeb81c90541d6d7c770ee590c8bcf70dc151eb1849"}, 0x80) syzkaller login: [ 64.284473][ T8653] IPVS: ftp: loaded support on port[0] = 21 [ 64.455234][ T8656] IPVS: ftp: loaded support on port[0] = 21 [ 64.490515][ T8653] chnl_net:caif_netlink_parms(): no params data found 03:24:11 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x15, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x87}}, &(0x7f0000000080)='GPL\x00'}, 0x48) [ 64.542098][ T8653] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.566511][ T8653] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.574883][ T8653] device bridge_slave_0 entered promiscuous mode [ 64.595935][ T8653] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.604371][ T8653] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.613455][ T8653] device bridge_slave_1 entered promiscuous mode [ 64.692520][ T8653] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.718825][ T8653] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.737488][ T8656] chnl_net:caif_netlink_parms(): no params data found [ 64.762509][ T8660] IPVS: ftp: loaded support on port[0] = 21 03:24:12 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000013c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x3) ioctl$TCGETX(r1, 0x5405, 0x0) [ 64.803027][ T8653] team0: Port device team_slave_0 added [ 64.834711][ T8653] team0: Port device team_slave_1 added [ 64.897700][ T8656] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.904872][ T8656] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.914849][ T8656] device bridge_slave_0 entered promiscuous mode [ 64.941397][ T8656] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.956275][ T8656] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.965318][ T8656] device bridge_slave_1 entered promiscuous mode 03:24:12 executing program 4: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_G_FMT(r0, 0xc0585605, &(0x7f00000000c0)={0x0, 0x0, {0x0, 0x0, 0x0, 0x7}}) [ 65.059040][ T8653] device hsr_slave_0 entered promiscuous mode [ 65.116534][ T8653] device hsr_slave_1 entered promiscuous mode [ 65.213593][ T8656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.223360][ T8662] IPVS: ftp: loaded support on port[0] = 21 03:24:12 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000240)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000100)=0x8) write$binfmt_elf64(r2, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) fallocate(r2, 0x100000003, 0x0, 0x28120001) write(r2, &(0x7f0000000080)="d5", 0x1) [ 65.270856][ T8656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.374640][ T8664] IPVS: ftp: loaded support on port[0] = 21 [ 65.392489][ T8656] team0: Port device team_slave_0 added [ 65.425669][ T8660] chnl_net:caif_netlink_parms(): no params data found [ 65.448712][ T8656] team0: Port device team_slave_1 added [ 65.485808][ T8660] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.493001][ T8660] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.500968][ T8660] device bridge_slave_0 entered promiscuous mode [ 65.512799][ T8653] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.558260][ T8660] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.565347][ T8660] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.573127][ T8660] device bridge_slave_1 entered promiscuous mode [ 65.648988][ T8656] device hsr_slave_0 entered promiscuous mode [ 65.696502][ T8656] device hsr_slave_1 entered promiscuous mode [ 65.746770][ T8656] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.754562][ T8656] Cannot create hsr debugfs directory [ 65.773638][ T8653] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.782812][ T8667] IPVS: ftp: loaded support on port[0] = 21 [ 65.800153][ T8653] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.872922][ T8653] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.947281][ T8660] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.988531][ T8660] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.042754][ T8660] team0: Port device team_slave_0 added [ 66.055797][ T8662] chnl_net:caif_netlink_parms(): no params data found [ 66.077578][ T8660] team0: Port device team_slave_1 added [ 66.169066][ T8660] device hsr_slave_0 entered promiscuous mode [ 66.206591][ T8660] device hsr_slave_1 entered promiscuous mode [ 66.246674][ T8660] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.254401][ T8660] Cannot create hsr debugfs directory [ 66.263405][ T8662] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.270717][ T8662] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.278776][ T8662] device bridge_slave_0 entered promiscuous mode [ 66.322141][ T8662] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.329368][ T8662] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.337616][ T8662] device bridge_slave_1 entered promiscuous mode [ 66.375610][ T8662] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.388274][ T8662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.401291][ T8664] chnl_net:caif_netlink_parms(): no params data found [ 66.462944][ T8662] team0: Port device team_slave_0 added [ 66.471929][ T8662] team0: Port device team_slave_1 added [ 66.534174][ T8656] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.593504][ T8656] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.640790][ T8656] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.677711][ T8664] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.684859][ T8664] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.695596][ T8664] device bridge_slave_0 entered promiscuous mode [ 66.769006][ T8662] device hsr_slave_0 entered promiscuous mode [ 66.806864][ T8662] device hsr_slave_1 entered promiscuous mode [ 66.847146][ T8662] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.854745][ T8662] Cannot create hsr debugfs directory [ 66.860629][ T8667] chnl_net:caif_netlink_parms(): no params data found [ 66.871178][ T8656] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.928819][ T8664] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.935931][ T8664] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.943782][ T8664] device bridge_slave_1 entered promiscuous mode [ 66.985369][ T8664] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.003401][ T8653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.011760][ T8660] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.070897][ T8660] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.128729][ T8660] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.186573][ T8664] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.211239][ T8660] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.310519][ T8653] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.317913][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.330081][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.340223][ T8664] team0: Port device team_slave_0 added [ 67.355154][ T8667] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.363210][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.374482][ T8667] device bridge_slave_0 entered promiscuous mode [ 67.383754][ T8667] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.391118][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.399156][ T8667] device bridge_slave_1 entered promiscuous mode [ 67.414996][ T8664] team0: Port device team_slave_1 added [ 67.452941][ T8667] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.464966][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.474986][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.485206][ T2888] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.492507][ T2888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.502656][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.534351][ T8667] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.547537][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.556111][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.564622][ T2888] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.572032][ T2888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.579581][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.588363][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.632534][ T8660] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.644239][ T8662] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.688146][ T8662] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.738134][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.749528][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.758040][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.766831][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.775282][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.784213][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.793017][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.838974][ T8664] device hsr_slave_0 entered promiscuous mode [ 67.876697][ T8664] device hsr_slave_1 entered promiscuous mode [ 67.936379][ T8664] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.943960][ T8664] Cannot create hsr debugfs directory [ 67.954736][ T8653] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.966224][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.988421][ T8662] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.034267][ T8656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.042361][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.051465][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.059835][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.069825][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.080363][ T8667] team0: Port device team_slave_0 added [ 68.088945][ T8667] team0: Port device team_slave_1 added [ 68.095903][ T8660] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.103447][ T8662] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.198561][ T8667] device hsr_slave_0 entered promiscuous mode [ 68.247052][ T8667] device hsr_slave_1 entered promiscuous mode [ 68.296349][ T8667] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.304052][ T8667] Cannot create hsr debugfs directory [ 68.331235][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.340278][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.348874][ T2886] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.355922][ T2886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.363983][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.381700][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.389432][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.414162][ T8656] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.433040][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.444345][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.453119][ T2886] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.460367][ T2886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.468421][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.477074][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.484879][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.502183][ T8653] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.523545][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.532661][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.541640][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.551453][ T2893] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.558670][ T2893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.566415][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.574986][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.584771][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.592800][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.622761][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.632246][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.642167][ T2888] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.649371][ T2888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.657845][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.666588][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.679603][ T8660] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.691131][ T8660] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.720025][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.729219][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.738144][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.747878][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.756043][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.765263][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.801109][ T8653] device veth0_vlan entered promiscuous mode [ 68.818651][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.828624][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.837980][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.846354][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.854437][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.862294][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.873678][ T8660] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.898557][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.909009][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.918413][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.927622][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.937402][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.960813][ T8653] device veth1_vlan entered promiscuous mode [ 68.972159][ T8664] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.028789][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.037194][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.045362][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.053424][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.062024][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.094266][ T8664] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.135989][ T8664] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.181728][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.191230][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.200718][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.209761][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.219199][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.228092][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.236517][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.244608][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.254851][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.274153][ T8664] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.318268][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.326028][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.335171][ T8660] device veth0_vlan entered promiscuous mode [ 69.381658][ T8660] device veth1_vlan entered promiscuous mode [ 69.405657][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.421287][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 174.426131][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.433035][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a2e/1/0x4000000000000002 softirq=13755/13755 fqs=4 [ 174.443522][ C1] (t=10501 jiffies g=6665 q=42) [ 174.448458][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g6665 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.459650][ C1] rcu: RCU grace-period kthread stack dump: [ 174.465623][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.474128][ C1] Call Trace: [ 174.477418][ C1] __schedule+0x9a0/0xcc0 [ 174.481781][ C1] schedule+0x181/0x210 [ 174.485961][ C1] schedule_timeout+0x14f/0x240 [ 174.490816][ C1] ? run_local_timers+0x120/0x120 [ 174.495842][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.500637][ C1] kthread+0x332/0x350 [ 174.504744][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.509878][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.514582][ C1] ret_from_fork+0x24/0x30 [ 174.519012][ C1] NMI backtrace for cpu 1 [ 174.523334][ C1] CPU: 1 PID: 2893 Comm: kworker/1:22 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.531737][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.541989][ C1] Workqueue: events linkwatch_event [ 174.547316][ C1] Call Trace: [ 174.550595][ C1] [ 174.553618][ C1] dump_stack+0x1fb/0x318 [ 174.557960][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.562825][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.569933][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.575998][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.581973][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.587857][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.592970][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.598166][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.603198][ C1] update_process_times+0x12d/0x180 [ 174.608416][ C1] tick_sched_timer+0x263/0x420 [ 174.613791][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.619453][ C1] __hrtimer_run_queues+0x403/0x840 [ 174.624660][ C1] hrtimer_interrupt+0x38c/0xda0 [ 174.629610][ C1] ? debug_smp_processor_id+0x9/0x20 [ 174.634893][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 174.640435][ C1] apic_timer_interrupt+0xf/0x20 [ 174.645377][ C1] [ 174.648402][ C1] RIP: 0010:__memcg_kmem_uncharge+0x134/0x1a0 [ 174.654494][ C1] Code: 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 [ 174.674124][ C1] RSP: 0018:ffffc900080df6e0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 174.682550][ C1] RAX: 0000000000000001 RBX: ffffea0002582e40 RCX: 0000000000000000 [ 174.690544][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002582e40 [ 174.698669][ C1] RBP: ffffc900080df6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.707239][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a7ac2020 [ 174.715229][ C1] R13: dffffc0000000000 R14: ffffea0002582e78 R15: 0000000000000000 [ 174.723517][ C1] free_thread_stack+0x12e/0x590 [ 174.728463][ C1] put_task_stack+0xa3/0x130 [ 174.733046][ C1] finish_task_switch+0x3f1/0x550 [ 174.738072][ C1] __schedule+0x9a8/0xcc0 [ 174.742409][ C1] ? ___preempt_schedule+0x16/0x18 [ 174.747522][ C1] preempt_schedule+0xdb/0x120 [ 174.752365][ C1] ___preempt_schedule+0x16/0x18 [ 174.757301][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 174.761966][ C1] ? vprintk_emit+0x368/0x3a0 [ 174.766641][ C1] vprintk_emit+0x36d/0x3a0 [ 174.771147][ C1] vprintk_default+0x28/0x30 [ 174.775729][ C1] vprintk_func+0x158/0x170 [ 174.780226][ C1] printk+0x62/0x8d [ 174.784033][ C1] ? addrconf_notify+0xb6b/0x3c90 [ 174.789075][ C1] ? addrconf_notify+0x779/0x3c90 [ 174.794629][ C1] addrconf_notify+0x2c8d/0x3c90 [ 174.799572][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 174.804860][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 174.810225][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.815867][ C1] ? trace_hardirqs_on+0x74/0x80 [ 174.820808][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 174.826263][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.831890][ C1] ? tls_dev_event+0x619/0xc00 [ 174.836645][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.842272][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 174.847469][ C1] raw_notifier_call_chain+0xec/0x190 [ 174.852842][ C1] netdev_state_change+0x147/0x1f0 [ 174.857956][ C1] linkwatch_do_dev+0x10e/0x160 [ 174.862803][ C1] __linkwatch_run_queue+0x446/0x730 [ 174.868088][ C1] linkwatch_event+0x4c/0x60 [ 174.873123][ C1] process_one_work+0x7ef/0x10d0 [ 174.878070][ C1] worker_thread+0xc01/0x1630 [ 174.882769][ C1] kthread+0x332/0x350 [ 174.886825][ C1] ? rcu_lock_release+0x30/0x30 [ 174.892103][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.896703][ C1] ret_from_fork+0x24/0x30