[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.179042][ T23] audit: type=1800 audit(1575404486.254:25): pid=8208 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.198196][ T23] audit: type=1800 audit(1575404486.264:26): pid=8208 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.243899][ T23] audit: type=1800 audit(1575404486.264:27): pid=8208 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 '10.128.0.93' (ECDSA) to the list of known hosts. 2019/12/03 20:21:35 fuzzer started 2019/12/03 20:21:37 dialing manager at 10.128.0.26:42111 2019/12/03 20:21:37 syscalls: 2689 2019/12/03 20:21:37 code coverage: enabled 2019/12/03 20:21:37 comparison tracing: enabled 2019/12/03 20:21:37 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:21:37 setuid sandbox: enabled 2019/12/03 20:21:37 namespace sandbox: enabled 2019/12/03 20:21:37 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:21:37 fault injection: enabled 2019/12/03 20:21:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:21:37 net packet injection: enabled 2019/12/03 20:21:37 net device setup: enabled 2019/12/03 20:21:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:21:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:21:38 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) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_UPDATE_ELEM(0x15, 0x0, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f00000006c0)) ioctl$VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x0, @pix_mp={0x0, 0x7ff, 0x0, 0x0, 0x0, [{0x9}, {}, {0x0, 0x73}, {0x0, 0x5c}, {}, {}, {0x2, 0x1000}], 0x49}}) bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e23, @broadcast}, 0x10) r0 = syz_open_dev$usbfs(&(0x7f0000000840)='/dev/bus/usb/00#/00#\x00', 0x1ff, 0x1) ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f0000000040)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000000)={0xa0, 0x6}, 0x194, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000640)=[{0x0}, {&(0x7f0000000400)="450d6099de3ff1cb7bbc1f9f0b5c75f1193692bef6a62d1c46208099ab4a3c62694dcee4db30c0", 0x27}], 0x2, 0x1) getsockopt$IP6T_SO_GET_ENTRIES(0xffffffffffffffff, 0x29, 0x41, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) write$FUSE_WRITE(0xffffffffffffffff, &(0x7f0000000240)={0x18, 0xffffffffffffffda, 0x7, {0x1f}}, 0x18) r2 = dup(0xffffffffffffffff) getsockopt$inet6_tcp_int(r2, 0x6, 0x25, 0x0, &(0x7f0000012ffc)=0xfffffffffffffebb) splice(r2, &(0x7f0000000080)=0x32b3, 0xffffffffffffffff, &(0x7f0000000100), 0x9, 0x4) 20:21:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000140)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_slave\x00'}, {0xc, 0x5, [@IFLA_BRPORT_LEARNING={0x8}]}}}]}, 0x44}}, 0x0) syzkaller login: [ 59.586901][ T8374] IPVS: ftp: loaded support on port[0] = 21 [ 59.663314][ T8376] IPVS: ftp: loaded support on port[0] = 21 20:21:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001540)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) writev(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)="390000001100090468fe0700001a00020700ff3f03000000450001070000001406001a0004020010070000f48aa159", 0x2f}], 0x1) r2 = socket(0x10, 0x800000000080802, 0x0) sendmmsg$alg(r2, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0xa, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 59.804789][ T8376] chnl_net:caif_netlink_parms(): no params data found [ 59.876451][ T8374] chnl_net:caif_netlink_parms(): no params data found [ 59.925464][ T8376] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.941077][ T8376] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.961065][ T8376] device bridge_slave_0 entered promiscuous mode [ 59.985363][ T8376] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.001103][ T8376] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.022542][ T8376] device bridge_slave_1 entered promiscuous mode [ 60.056547][ T8380] IPVS: ftp: loaded support on port[0] = 21 [ 60.107091][ T8374] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.131139][ T8374] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.139086][ T8374] device bridge_slave_0 entered promiscuous mode 20:21:39 executing program 3: r0 = socket$inet(0x10, 0x80002, 0x0) sendmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000200)="4c0000001200ff09fffefd9567a283b724a600800000000000000068354046002c000a0004000000b598bc593ab6821148a730de33a49868c62b2ca63d89613b6aabf35d4c1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 60.155493][ T8376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.173050][ T8374] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.180180][ T8374] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.189322][ T8374] device bridge_slave_1 entered promiscuous mode [ 60.198056][ T8376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.252762][ T8374] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.275601][ T8376] team0: Port device team_slave_0 added [ 60.285717][ T8374] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.302709][ T8376] team0: Port device team_slave_1 added [ 60.383909][ T8376] device hsr_slave_0 entered promiscuous mode [ 60.421803][ T8376] device hsr_slave_1 entered promiscuous mode 20:21:39 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fc9000)='/dev/sequencer2\x00', 0x6, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x0, 0x0) ioctl$KDGKBLED(r0, 0x4004510d, &(0x7f0000000000)) [ 60.519528][ T8374] team0: Port device team_slave_0 added [ 60.553564][ T8383] IPVS: ftp: loaded support on port[0] = 21 [ 60.571770][ T8374] team0: Port device team_slave_1 added [ 60.609159][ T8380] chnl_net:caif_netlink_parms(): no params data found [ 60.704913][ T8374] device hsr_slave_0 entered promiscuous mode 20:21:39 executing program 5: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x4, 0x0, 0x0, 0x0) [ 60.781640][ T8374] device hsr_slave_1 entered promiscuous mode [ 60.821208][ T8374] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.841546][ T8376] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.883555][ T8376] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.976997][ T8387] IPVS: ftp: loaded support on port[0] = 21 [ 60.999398][ T8376] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.053073][ T8376] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.108859][ T8380] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.116367][ T8380] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.124602][ T8380] device bridge_slave_0 entered promiscuous mode [ 61.133886][ T8380] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.141155][ T8380] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.142132][ T8380] device bridge_slave_1 entered promiscuous mode [ 61.158945][ T8385] IPVS: ftp: loaded support on port[0] = 21 [ 61.211510][ T8380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.241610][ T8380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.271778][ T8374] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.305293][ T8374] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.358167][ T8380] team0: Port device team_slave_0 added [ 61.366922][ T8380] team0: Port device team_slave_1 added [ 61.413938][ T8380] device hsr_slave_0 entered promiscuous mode [ 61.451690][ T8380] device hsr_slave_1 entered promiscuous mode [ 61.511172][ T8380] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.518854][ T8374] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.573210][ T8374] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.706501][ T8380] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.763999][ T8383] chnl_net:caif_netlink_parms(): no params data found [ 61.773174][ T8380] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.826807][ T8380] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.913707][ T8387] chnl_net:caif_netlink_parms(): no params data found [ 61.926085][ T8380] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.008214][ T8387] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.016188][ T8387] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.024076][ T8387] device bridge_slave_0 entered promiscuous mode [ 62.035113][ T8387] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.043723][ T8387] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.053284][ T8387] device bridge_slave_1 entered promiscuous mode [ 62.105090][ T8387] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.147916][ T8387] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.169346][ T8387] team0: Port device team_slave_0 added [ 62.179293][ T8387] team0: Port device team_slave_1 added [ 62.185436][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.195573][ T8383] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.203587][ T8383] device bridge_slave_0 entered promiscuous mode [ 62.214997][ T8385] chnl_net:caif_netlink_parms(): no params data found [ 62.231796][ T8376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.243010][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.250132][ T8383] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.259219][ T8383] device bridge_slave_1 entered promiscuous mode [ 62.284474][ T8383] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.296073][ T8383] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.364264][ T8387] device hsr_slave_0 entered promiscuous mode [ 62.411463][ T8387] device hsr_slave_1 entered promiscuous mode [ 62.461103][ T8387] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.486528][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.495836][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.506959][ T8376] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.524097][ T8383] team0: Port device team_slave_0 added [ 62.540752][ T8385] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.549090][ T8385] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.557728][ T8385] device bridge_slave_0 entered promiscuous mode [ 62.565827][ T8385] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.573151][ T8385] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.581774][ T8385] device bridge_slave_1 entered promiscuous mode [ 62.594984][ T8383] team0: Port device team_slave_1 added [ 62.609470][ T8385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.635060][ T8385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.653475][ T8387] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.676573][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.686121][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.694744][ T2724] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.702074][ T2724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.710540][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.720516][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.729053][ T2724] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.736308][ T2724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.745107][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.754357][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.774964][ T8387] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.822899][ T8387] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.863693][ T8387] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.995377][ T8383] device hsr_slave_0 entered promiscuous mode [ 63.051601][ T8383] device hsr_slave_1 entered promiscuous mode [ 63.111246][ T8383] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.121770][ T8385] team0: Port device team_slave_0 added [ 63.129404][ T8385] team0: Port device team_slave_1 added [ 63.148247][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.157175][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.166236][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.175192][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.229184][ T8383] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.266980][ T8383] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.323467][ T8383] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.414205][ T8385] device hsr_slave_0 entered promiscuous mode [ 63.452484][ T8385] device hsr_slave_1 entered promiscuous mode [ 63.491274][ T8385] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.499164][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.508600][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.517122][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.525475][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.534670][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.543137][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.560713][ T8380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.574565][ T8374] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.582178][ T8383] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.605214][ T8376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.634956][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.644118][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.662427][ T8374] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.678152][ T8380] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.697627][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.706420][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.714713][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.723783][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.732678][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.739778][ T8388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.747712][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.756407][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.765526][ T8388] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.772627][ T8388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.818212][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.826537][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.835280][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.843815][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.851023][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.858933][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.868128][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.876673][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.883818][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.891986][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.900530][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.909346][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.918019][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.926613][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.935349][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.944096][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.952839][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.961597][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.969698][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.984788][ T8385] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.033944][ T8385] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.085490][ T8385] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.139830][ T8376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.163828][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.175495][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.184197][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.193794][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.202463][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.211705][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.220554][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.229477][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.238390][ T8385] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.287494][ T8374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.313282][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.322956][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.332420][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.342480][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.351706][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.360346][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.369158][ T8391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.394313][ T8380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.410032][ T8383] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.432699][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.440349][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.472062][ T8374] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.488351][ T8387] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.513385][ T8383] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.548449][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.566741][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.576584][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.589918][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 169.550887][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.557732][ C0] rcu: 0-...!: (1 GPs behind) idle=9f2/1/0x4000000000000002 softirq=11417/11418 fqs=39 [ 169.567853][ C0] (t=10501 jiffies g=7261 q=236) [ 169.572906][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g7261 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 169.583995][ C0] rcu: RCU grace-period kthread stack dump: [ 169.589878][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.597942][ C0] Call Trace: [ 169.601238][ C0] __schedule+0x9a0/0xcc0 [ 169.605568][ C0] schedule+0x181/0x210 [ 169.609712][ C0] schedule_timeout+0x14f/0x240 [ 169.614549][ C0] ? run_local_timers+0x120/0x120 [ 169.619563][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.626494][ C0] kthread+0x332/0x350 [ 169.630550][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.635823][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.640439][ C0] ret_from_fork+0x24/0x30 [ 169.644948][ C0] NMI backtrace for cpu 0 [ 169.649270][ C0] CPU: 0 PID: 103 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 169.657769][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.667833][ C0] Workqueue: events_unbound fsnotify_mark_destroy_workfn [ 169.675014][ C0] Call Trace: [ 169.678283][ C0] [ 169.681428][ C0] dump_stack+0x1fb/0x318 [ 169.685761][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.690597][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.696739][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.702797][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.708771][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.714675][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.719788][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.724988][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.730008][ C0] update_process_times+0x12d/0x180 [ 169.735326][ C0] tick_sched_timer+0x263/0x420 [ 169.740178][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.745727][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.750935][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.755939][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.761227][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.766761][ C0] apic_timer_interrupt+0xf/0x20 [ 169.771682][ C0] [ 169.774614][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 169.780771][ C0] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 169.801147][ C0] RSP: 0018:ffffc90001267aa8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 169.809685][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a953c640 [ 169.817740][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023fee40 [ 169.825713][ C0] RBP: ffffc90001267ad0 R08: 000000000003a768 R09: ffffed1014634747 [ 169.833765][ C0] R10: ffffed1014634747 R11: 0000000000000000 R12: dffffc0000000000 [ 169.841922][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a31a3a28 [ 169.850000][ C0] ? mod_memcg_page_state+0x123/0x190 [ 169.855453][ C0] ? free_thread_stack+0x124/0x590 [ 169.860548][ C0] ? mod_memcg_page_state+0x123/0x190 [ 169.865910][ C0] free_thread_stack+0x168/0x590 [ 169.871029][ C0] put_task_stack+0xa3/0x130 [ 169.875646][ C0] finish_task_switch+0x3f1/0x550 [ 169.880686][ C0] __schedule+0x9a8/0xcc0 [ 169.885035][ C0] ? ___preempt_schedule+0x16/0x18 [ 169.890327][ C0] preempt_schedule+0xdb/0x120 [ 169.895082][ C0] ___preempt_schedule+0x16/0x18 [ 169.900660][ C0] ? process_one_work+0x75d/0x10d0 [ 169.905778][ C0] _raw_spin_unlock_irq+0x77/0x80 [ 169.910793][ C0] process_one_work+0x75d/0x10d0 [ 169.915737][ C0] worker_thread+0xc01/0x1630 [ 169.920425][ C0] kthread+0x332/0x350 [ 169.924478][ C0] ? rcu_lock_release+0x30/0x30 [ 169.929318][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.933897][ C0] ret_from_fork+0x24/0x30