[ 42.687947][ T25] audit: type=1800 audit(1575395622.684:26): pid=7852 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.707691][ T25] audit: type=1800 audit(1575395622.684:27): pid=7852 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.760264][ T25] audit: type=1800 audit(1575395622.774:28): pid=7852 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 43.500450][ T25] audit: type=1800 audit(1575395623.514:29): pid=7852 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. 2019/12/03 17:53:53 fuzzer started 2019/12/03 17:53:54 dialing manager at 10.128.0.26:42111 2019/12/03 17:53:54 syscalls: 2689 2019/12/03 17:53:54 code coverage: enabled 2019/12/03 17:53:54 comparison tracing: enabled 2019/12/03 17:53:54 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:53:54 setuid sandbox: enabled 2019/12/03 17:53:54 namespace sandbox: enabled 2019/12/03 17:53:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:53:54 fault injection: enabled 2019/12/03 17:53:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:53:54 net packet injection: enabled 2019/12/03 17:53:54 net device setup: enabled 2019/12/03 17:53:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:53:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:53:55 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000003740)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bond={{0xc, 0x1, 'bond\x00'}, {0xc, 0x2, [@IFLA_BOND_ARP_IP_TARGET={0x8, 0x13, [@rand_addr=0xffffffff]}]}}}]}, 0x3c}}, 0x0) 17:53:55 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x1, &(0x7f000039a000)=[{0x6}]}, 0x10) getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f0000000200)=""/110, &(0x7f0000000040)=0x6e) syzkaller login: [ 55.833945][ T8016] IPVS: ftp: loaded support on port[0] = 21 17:53:56 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x0, 0x0) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) socket$inet6(0xa, 0x6, 0xc9) ioctl$EVIOCSABS3F(0xffffffffffffffff, 0x401845ff, &(0x7f0000000080)={0x8, 0x0, 0x0, 0x80, 0x0, 0xffff}) ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x20002100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0xe, 0x16, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040), 0x1f1}, 0x48) exit(0x0) syz_open_procfs(0xffffffffffffffff, 0x0) [ 56.003600][ T8016] chnl_net:caif_netlink_parms(): no params data found [ 56.041211][ T8019] IPVS: ftp: loaded support on port[0] = 21 [ 56.090612][ T8016] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.106871][ T8016] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.127641][ T8016] device bridge_slave_0 entered promiscuous mode [ 56.161465][ T8016] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.176886][ T8016] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.184493][ T8016] device bridge_slave_1 entered promiscuous mode [ 56.215082][ T8021] IPVS: ftp: loaded support on port[0] = 21 [ 56.236342][ T8016] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.269574][ T8016] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 17:53:56 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet6_sctp(0xa, 0x5, 0x84) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r2, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r3 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x6d, &(0x7f0000000280)={r4}, &(0x7f00000002c0)=0x18) [ 56.311523][ T8016] team0: Port device team_slave_0 added [ 56.333124][ T8016] team0: Port device team_slave_1 added [ 56.400848][ T8016] device hsr_slave_0 entered promiscuous mode [ 56.477118][ T8016] device hsr_slave_1 entered promiscuous mode 17:53:56 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x9, 0x3, &(0x7f00000000c0)=@framed, &(0x7f0000000140)='syzkaller\x00', 0x1, 0x1ee, &(0x7f00000003c0)=""/251, 0x0, 0x0, [], 0x0, 0xd}, 0x48) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000040)={r2, r1, 0xd, 0x2}, 0x10) [ 56.590560][ T8023] IPVS: ftp: loaded support on port[0] = 21 [ 56.693691][ T8016] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.750368][ T8016] netdevsim netdevsim0 netdevsim1: renamed from eth1 17:53:56 executing program 5: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) accept4$inet(0xffffffffffffffff, 0x0, 0x0, 0x80000) write(r1, &(0x7f00000001c0), 0xfffffef3) read(r0, &(0x7f0000000200)=""/250, 0x50c7e3e3) syz_open_procfs(0x0, &(0x7f0000000100)='coredump_filter\x00') r2 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r2, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10) socket$packet(0x11, 0x2, 0x300) getsockopt$packet_buf(0xffffffffffffffff, 0x107, 0x0, &(0x7f0000000040)=""/8, &(0x7f0000000080)=0x8) perf_event_open(&(0x7f0000000400)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000340)}, 0x0, 0x7e0}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) r3 = socket$packet(0x11, 0x4, 0x300) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000140)=0x1ff, 0x4) fsetxattr$security_smack_transmute(r1, &(0x7f00000003c0)='security.SMACK64TRANSMUTE\x00', &(0x7f0000000380)='TRUE', 0x4, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, &(0x7f0000000100), 0xffffffffffffffff) bind$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4}, 0x1c) r5 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000f68000)={@loopback, 0x0, 0x0, 0xff, 0x1}, 0x20) r6 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000f68000)={@loopback, 0x0, 0x0, 0xff, 0x1}, 0x20) r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000580)='/proc/self/net/pfkey\x00', 0x101000, 0x0) setsockopt$sock_int(r7, 0x1, 0x2a, &(0x7f0000f59ffc)=0x194, 0x6b) socket$inet6(0xa, 0x100000005, 0xffff7ffffffffffe) setsockopt$sock_int(r3, 0x1, 0xf, &(0x7f00000000c0)=0x6, 0x4) r8 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet_msfilter(r8, 0x0, 0x18, &(0x7f00000004c0)=ANY=[@ANYBLOB="e00000000000000000000020000000003e3b8caee2c704c3f5e9b296b76127e95c0be4b1f38bb5b9a65d4f085c5022f24fc5f2d0a7bb937b8495c7a0fa20ac92c170a4bcc8980bea0c988b330e14d72e62c310ebdc3c27529785ed2557566b5166733152b68a980f4cde20a620489caaa75d74bd59a05e6051d976bfa70535bd0f0d01"], 0x3) bind$inet6(r8, &(0x7f0000000040)={0xa, 0x4e1e, 0x8006, @mcast2, 0x2}, 0x65) getpid() mknod$loop(&(0x7f0000000040)='./file0\x00', 0x800, 0x0) r9 = creat(&(0x7f00000007c0)='./file0\x00', 0x0) unlink(&(0x7f0000000480)='./file0\x00') getsockopt$inet_mreq(r4, 0x0, 0x0, &(0x7f0000000300)={@remote, @remote}, &(0x7f0000000180)=0xffffffffffffffb8) ioctl$TUNGETSNDBUF(r9, 0x800454d3, &(0x7f00000001c0)) sendto$inet(r2, 0x0, 0x0, 0x20000802, &(0x7f0000000100)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) shutdown(r2, 0x1) [ 56.818569][ T8019] chnl_net:caif_netlink_parms(): no params data found [ 56.841641][ T8026] IPVS: ftp: loaded support on port[0] = 21 [ 56.890440][ T8016] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.950836][ T8016] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.018908][ T8019] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.026164][ T8019] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.034037][ T8019] device bridge_slave_0 entered promiscuous mode [ 57.043314][ T8019] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.050419][ T8019] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.058470][ T8019] device bridge_slave_1 entered promiscuous mode [ 57.072747][ T8021] chnl_net:caif_netlink_parms(): no params data found [ 57.094693][ T8029] IPVS: ftp: loaded support on port[0] = 21 [ 57.123686][ T8019] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.142840][ T8021] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.150314][ T8021] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.158222][ T8021] device bridge_slave_0 entered promiscuous mode [ 57.185467][ T8019] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.194821][ T8021] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.202292][ T8021] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.210539][ T8021] device bridge_slave_1 entered promiscuous mode [ 57.249276][ T8021] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.301092][ T8023] chnl_net:caif_netlink_parms(): no params data found [ 57.319936][ T8021] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.333005][ T8019] team0: Port device team_slave_0 added [ 57.356637][ T8019] team0: Port device team_slave_1 added [ 57.374358][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.381650][ T8023] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.391255][ T8023] device bridge_slave_0 entered promiscuous mode [ 57.400541][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.407944][ T8023] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.415544][ T8023] device bridge_slave_1 entered promiscuous mode [ 57.424157][ T8021] team0: Port device team_slave_0 added [ 57.436411][ T8021] team0: Port device team_slave_1 added [ 57.498522][ T8019] device hsr_slave_0 entered promiscuous mode [ 57.537121][ T8019] device hsr_slave_1 entered promiscuous mode [ 57.587371][ T8019] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.649532][ T8021] device hsr_slave_0 entered promiscuous mode [ 57.707062][ T8021] device hsr_slave_1 entered promiscuous mode [ 57.746875][ T8021] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.787576][ T8023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.798564][ T8023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.825305][ T8016] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.846478][ T8023] team0: Port device team_slave_0 added [ 57.860745][ T8019] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.926464][ T8026] chnl_net:caif_netlink_parms(): no params data found [ 57.939479][ T8023] team0: Port device team_slave_1 added [ 57.948675][ T8019] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.030610][ T8019] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.080780][ T8019] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.143823][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.152401][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.162466][ T8016] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.174767][ T8021] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.230437][ T8021] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.296598][ T8026] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.304151][ T8026] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.311998][ T8026] device bridge_slave_0 entered promiscuous mode [ 58.319817][ T8029] chnl_net:caif_netlink_parms(): no params data found [ 58.336141][ T8021] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.389627][ T8021] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.468529][ T8026] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.475613][ T8026] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.486041][ T8026] device bridge_slave_1 entered promiscuous mode [ 58.549445][ T8023] device hsr_slave_0 entered promiscuous mode [ 58.587549][ T8023] device hsr_slave_1 entered promiscuous mode [ 58.626955][ T8023] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.641674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.650146][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.658857][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.665994][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.673960][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.683304][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.691693][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.698745][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.721277][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.729512][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.744854][ T8026] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.776999][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.785755][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.794705][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.803509][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.812497][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.821811][ T8026] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.856697][ T8023] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.908950][ T8035] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.916720][ T8023] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.970018][ T8026] team0: Port device team_slave_0 added [ 58.975831][ T8023] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.028394][ T8029] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.035468][ T8029] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.043411][ T8029] device bridge_slave_0 entered promiscuous mode [ 59.053003][ T8029] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.060319][ T8029] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.068410][ T8029] device bridge_slave_1 entered promiscuous mode [ 59.084213][ T8026] team0: Port device team_slave_1 added [ 59.098342][ T8023] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.168180][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.176435][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.195254][ T8016] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.208292][ T8016] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.226984][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.235231][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.299454][ T8026] device hsr_slave_0 entered promiscuous mode [ 59.337707][ T8026] device hsr_slave_1 entered promiscuous mode [ 59.377099][ T8026] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.385874][ T8029] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.397928][ T8019] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.412330][ T8029] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.451917][ T8019] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.472747][ T8029] team0: Port device team_slave_0 added [ 59.480511][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.491125][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.498993][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.506439][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.521943][ T8016] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.541840][ T8029] team0: Port device team_slave_1 added [ 59.549981][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.559480][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.568862][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.575928][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.585744][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.623027][ T8026] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.660951][ T8026] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.700900][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.709698][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.718311][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.725349][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.732911][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.741889][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.750461][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.759088][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.767574][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.775864][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.784678][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.809404][ T8026] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.848758][ T8026] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 164.856780][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.863576][ C0] rcu: 0-...!: (10500 ticks this GP) idle=4ce/1/0x4000000000000002 softirq=11094/11094 fqs=42 [ 164.874141][ C0] (t=10500 jiffies g=6137 q=172) [ 164.879166][ C0] rcu: rcu_preempt kthread starved for 10414 jiffies! g6137 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.890425][ C0] rcu: RCU grace-period kthread stack dump: [ 164.896303][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 164.904194][ C0] Call Trace: [ 164.907482][ C0] __schedule+0x9a0/0xcc0 [ 164.911812][ C0] schedule+0x181/0x210 [ 164.915957][ C0] schedule_timeout+0x14f/0x240 [ 164.920795][ C0] ? run_local_timers+0x120/0x120 [ 164.925814][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.930586][ C0] kthread+0x332/0x350 [ 164.934676][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.939772][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.944360][ C0] ret_from_fork+0x24/0x30 [ 164.948780][ C0] NMI backtrace for cpu 0 [ 164.953097][ C0] CPU: 0 PID: 671 Comm: kworker/u4:7 Not tainted 5.4.0-syzkaller #0 [ 164.961054][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.971108][ C0] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 164.978546][ C0] Call Trace: [ 164.981825][ C0] [ 164.984666][ C0] dump_stack+0x1fb/0x318 [ 164.988986][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.993824][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.999964][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.006018][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.011988][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.017867][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.022971][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.028161][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.033173][ C0] update_process_times+0x12d/0x180 [ 165.038358][ C0] tick_sched_timer+0x263/0x420 [ 165.043194][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.048727][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.053941][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.058884][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.064157][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.069713][ C0] apic_timer_interrupt+0xf/0x20 [ 165.074631][ C0] [ 165.077561][ C0] RIP: 0010:__memcg_kmem_uncharge+0x219/0x2e0 [ 165.083616][ C0] Code: 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 8b 45 [ 165.103204][ C0] RSP: 0018:ffffc900034678b8 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 165.111605][ C0] RAX: 0000000000000001 RBX: ffffea0002469ac0 RCX: 0000000000000000 [ 165.119560][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002469ac0 [ 165.127525][ C0] RBP: ffffc900034678b8 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.135482][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888090e95a20 [ 165.143440][ C0] R13: dffffc0000000000 R14: 1ffff110121d2b44 R15: ffff8880a845fa68 [ 165.151419][ C0] free_thread_stack+0x12e/0x590 [ 165.156364][ C0] put_task_stack+0xa3/0x130 [ 165.160956][ C0] finish_task_switch+0x3f1/0x550 [ 165.165982][ C0] __schedule+0x9a8/0xcc0 [ 165.170313][ C0] schedule+0x181/0x210 [ 165.174477][ C0] schedule_timeout+0x46/0x240 [ 165.179236][ C0] do_wait_for_common+0x2e7/0x4d0 [ 165.184255][ C0] ? console_conditional_schedule+0x40/0x40 [ 165.190138][ C0] ? do_task_dead+0xc0/0xc0 [ 165.194632][ C0] wait_for_completion+0x47/0x60 [ 165.199558][ C0] __synchronize_srcu+0x1d7/0x260 [ 165.204566][ C0] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 165.210106][ C0] synchronize_srcu+0x2cb/0x2f0 [ 165.214946][ C0] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 165.221085][ C0] process_one_work+0x7ef/0x10d0 [ 165.226025][ C0] worker_thread+0xc01/0x1630 [ 165.230706][ C0] kthread+0x332/0x350 [ 165.234755][ C0] ? rcu_lock_release+0x30/0x30 [ 165.239592][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.244173][ C0] ret_from_fork+0x24/0x30