[ 43.286453][ T25] audit: type=1800 audit(1575369274.851:29): pid=8035 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 '10.128.0.103' (ECDSA) to the list of known hosts. 2019/12/03 10:34:44 fuzzer started 2019/12/03 10:34:46 dialing manager at 10.128.0.26:38907 2019/12/03 10:34:46 syscalls: 2697 2019/12/03 10:34:46 code coverage: enabled 2019/12/03 10:34:46 comparison tracing: enabled 2019/12/03 10:34:46 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:34:46 setuid sandbox: enabled 2019/12/03 10:34:46 namespace sandbox: enabled 2019/12/03 10:34:46 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:34:46 fault injection: enabled 2019/12/03 10:34:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:34:46 net packet injection: enabled 2019/12/03 10:34:46 net device setup: enabled 2019/12/03 10:34:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:34:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:34:47 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='net/tcp6\x00') r1 = socket$inet6(0xa, 0x400000000001, 0x0) bind$inet6(r1, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) getpid() getpid() ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, 0x0) syz_open_procfs(0x0, 0x0) sendto$inet6(r1, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r2 = open(&(0x7f0000000100)='./bus\x00', 0x141042, 0x1) accept4$inet(0xffffffffffffffff, 0x0, 0x0, 0x0) getrlimit(0x0, 0x0) ftruncate(r2, 0x80003) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) fcntl$dupfd(r3, 0x0, r4) setsockopt$inet6_tcp_TCP_MD5SIG(r3, 0x6, 0xe, &(0x7f0000000300)={@in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x27}}}, 0x0, 0x5, 0x0, "0b4c7696c8b5a747068a9538088f3ac9f0896784c276fdbed0d1351f9c059a29989e6f1e812385ce862d307e6b569a1d1d58942620e765b017ea2352927d5232bd7a9ea57191d5eb01b0f420c5e643f2"}, 0xd8) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$dupfd(r6, 0x0, r6) r7 = fcntl$dupfd(r5, 0x203, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$void(0xffffffffffffffff, 0x0) ioctl$EVIOCGUNIQ(0xffffffffffffffff, 0x80404508, 0x0) write$P9_RRENAME(0xffffffffffffffff, 0x0, 0x0) sendfile(r1, r2, 0x0, 0x8000fffffffe) preadv(r0, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/169, 0xa9}], 0x1, 0x40000000000) 10:34:47 executing program 1: r0 = epoll_create1(0x0) r1 = socket(0x11, 0x2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)) recvmmsg(0xffffffffffffffff, &(0x7f0000001d00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)=""/208, 0x28}}], 0x0, 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000140)='fdinfo/3\x00') preadv(r2, &(0x7f00000017c0), 0x3cc, 0x0) syzkaller login: [ 55.962137][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 55.998487][ T8203] IPVS: ftp: loaded support on port[0] = 21 10:34:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = open(&(0x7f0000000100)='./file0\x00', 0x40c2, 0x0) r2 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x0) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) r5 = fanotify_init(0x0, 0x0) fanotify_mark(r5, 0x65, 0x10, r4, 0x0) fanotify_mark(r5, 0x2000000000000011, 0x2, r3, 0x0) write(r1, &(0x7f0000000600)="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", 0x200) sendfile(r1, r2, 0x0, 0x7fffffa7) r6 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) [ 56.131934][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 56.251894][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 56.263955][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.271891][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.288833][ T8201] device bridge_slave_0 entered promiscuous mode [ 56.310029][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.319163][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.327105][ T8201] device bridge_slave_1 entered promiscuous mode [ 56.339886][ T8207] IPVS: ftp: loaded support on port[0] = 21 10:34:47 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$key(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000000ff0)={&(0x7f0000000080)={0x2, 0x18, 0x0, 0x0, 0x1b, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}}}, @sadb_x_kmaddress={0x7, 0x19, 0x0, @in={0xa, 0x0, @empty}, @in6={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}}}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @ipv4={[], [], @loopback}}}, @sadb_x_policy={0x8, 0x12, 0x0, 0x0, 0x0, 0x0, 0x0, {0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @in6=@loopback, @in6=@local={0xfe, 0x80, [], 0xffffffffffffffff}}}]}, 0xd8}}, 0x0) [ 56.378712][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.385966][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.395761][ T8203] device bridge_slave_0 entered promiscuous mode [ 56.405240][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.414184][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.423457][ T8203] device bridge_slave_1 entered promiscuous mode [ 56.434287][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.460698][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.476828][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.506026][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.527654][ T8201] team0: Port device team_slave_0 added [ 56.538489][ T8201] team0: Port device team_slave_1 added [ 56.554654][ T8203] team0: Port device team_slave_0 added [ 56.577430][ T8203] team0: Port device team_slave_1 added [ 56.639581][ T8201] device hsr_slave_0 entered promiscuous mode 10:34:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=@newlink={0x60, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, ':atadv0\x00'}, @IFLA_LINKINFO={0x2c, 0x12, @ip6gretap={{0x10, 0x1, 'ip6gretap\x00'}, {0x18, 0x2, [@IFLA_GRE_REMOTE={0x14, 0x7, @remote}]}}}]}, 0x60}, 0x1, 0x0, 0x0, 0x10}, 0x0) [ 56.738128][ T8201] device hsr_slave_1 entered promiscuous mode [ 56.820672][ T8203] device hsr_slave_0 entered promiscuous mode 10:34:48 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r1, &(0x7f0000000000), 0x10) sendmsg$can_bcm(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x5, 0x7ab0715dca68fab7, 0x0, {}, {0x0, 0x7530}, {}, 0x1, @canfd={{}, 0x0, 0x0, 0x0, 0x0, "51d5205e4ca4b888d40047c37321760319cfff34bdfeff767c815dad738690b20cf465f6ef18683b77224a9922dd0c52d6f5d97258d9a57813477b6fc92af87b"}}, 0x80}}, 0x0) [ 56.917142][ T8203] device hsr_slave_1 entered promiscuous mode [ 56.986601][ T8203] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.030472][ T8211] IPVS: ftp: loaded support on port[0] = 21 [ 57.041051][ T8209] IPVS: ftp: loaded support on port[0] = 21 [ 57.079726][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 57.103843][ T8207] chnl_net:caif_netlink_parms(): no params data found [ 57.119917][ T8203] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.191263][ T8203] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.280050][ T8203] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.329999][ T8203] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.414506][ T8201] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.478567][ T8201] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.539846][ T8201] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.599292][ T8201] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.649805][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.658267][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.666107][ T8207] device bridge_slave_0 entered promiscuous mode [ 57.675718][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.683283][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.691201][ T8207] device bridge_slave_1 entered promiscuous mode [ 57.709834][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.721703][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.743309][ T8207] team0: Port device team_slave_0 added [ 57.751801][ T8207] team0: Port device team_slave_1 added [ 57.858127][ T8207] device hsr_slave_0 entered promiscuous mode [ 57.897499][ T8207] device hsr_slave_1 entered promiscuous mode [ 57.936349][ T8207] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.012617][ T8207] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.085720][ T8207] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.129561][ T8207] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.179072][ T8207] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.304362][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 58.325840][ T8209] chnl_net:caif_netlink_parms(): no params data found [ 58.335781][ T8211] chnl_net:caif_netlink_parms(): no params data found [ 58.385246][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.393543][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.402088][ T8213] device bridge_slave_0 entered promiscuous mode [ 58.412699][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.420709][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.429544][ T8213] device bridge_slave_1 entered promiscuous mode [ 58.444227][ T8201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.493725][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.514651][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.522449][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.530451][ T8211] device bridge_slave_0 entered promiscuous mode [ 58.541600][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.549348][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.557704][ T8211] device bridge_slave_1 entered promiscuous mode [ 58.572283][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.592275][ T8203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.600760][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.609715][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.620418][ T8201] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.642228][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.650652][ T8209] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.658438][ T8209] device bridge_slave_0 entered promiscuous mode [ 58.666619][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.673682][ T8209] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.682241][ T8209] device bridge_slave_1 entered promiscuous mode [ 58.702288][ T8209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.713336][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.728708][ T8213] team0: Port device team_slave_0 added [ 58.736816][ T8209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.748179][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.757459][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.765786][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.772968][ T8216] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.781818][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.791501][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.800087][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.807174][ T8216] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.815777][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.824446][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.838380][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.849603][ T8213] team0: Port device team_slave_1 added [ 58.873509][ T8203] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.901340][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.910605][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.918939][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.927931][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.937110][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.949722][ T8216] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.965314][ T8201] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.978150][ T8201] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.992094][ T8211] team0: Port device team_slave_0 added [ 59.039328][ T8213] device hsr_slave_0 entered promiscuous mode [ 59.096655][ T8213] device hsr_slave_1 entered promiscuous mode [ 59.136622][ T8213] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.145953][ T8209] team0: Port device team_slave_0 added [ 59.153223][ T8209] team0: Port device team_slave_1 added [ 59.162017][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.170878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.180167][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.189103][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.198198][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.207665][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.218263][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.226003][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.235219][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.243899][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.251030][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.269285][ T8211] team0: Port device team_slave_1 added [ 59.290151][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.359034][ T8209] device hsr_slave_0 entered promiscuous mode [ 59.406697][ T8209] device hsr_slave_1 entered promiscuous mode [ 59.446385][ T8209] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.466571][ T8213] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.510266][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.518293][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.535695][ T8201] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.546822][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.554844][ T8213] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.608771][ T8213] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.648339][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.659215][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.668520][ T3019] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.675586][ T3019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.748892][ T8211] device hsr_slave_0 entered promiscuous mode [ 59.786692][ T8211] device hsr_slave_1 entered promiscuous mode [ 59.836918][ T8211] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.864506][ T8213] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.943251][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.951895][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.961089][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.970356][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.978920][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.988113][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.997048][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.013633][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.022148][ T8209] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.092535][ T8203] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.105811][ T8203] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.123439][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.132306][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.142007][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.157995][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.171570][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.181000][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.194821][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.213802][ T8224] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 165.156180][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.163055][ C0] rcu: 0-...!: (10500 ticks this GP) idle=042/1/0x4000000000000002 softirq=10659/10659 fqs=6 [ 165.173540][ C0] (t=10501 jiffies g=6173 q=131) [ 165.178561][ C0] rcu: rcu_preempt kthread starved for 10489 jiffies! g6173 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.189644][ C0] rcu: RCU grace-period kthread stack dump: [ 165.195524][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.203421][ C0] Call Trace: [ 165.206708][ C0] __schedule+0x9a0/0xcc0 [ 165.211036][ C0] schedule+0x181/0x210 [ 165.215181][ C0] schedule_timeout+0x14f/0x240 [ 165.220022][ C0] ? run_local_timers+0x120/0x120 [ 165.225043][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.229805][ C0] kthread+0x332/0x350 [ 165.233862][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.238965][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.243548][ C0] ret_from_fork+0x24/0x30 [ 165.247967][ C0] NMI backtrace for cpu 0 [ 165.252289][ C0] CPU: 0 PID: 8073 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 165.260252][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.270386][ C0] Call Trace: [ 165.273663][ C0] [ 165.276506][ C0] dump_stack+0x1fb/0x318 [ 165.280831][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.285676][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.291842][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.297902][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.303876][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.309759][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.314865][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.320070][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.325103][ C0] update_process_times+0x12d/0x180 [ 165.330310][ C0] tick_sched_timer+0x263/0x420 [ 165.335158][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.340879][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.346079][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.351020][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.356296][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.361827][ C0] apic_timer_interrupt+0xf/0x20 [ 165.366749][ C0] [ 165.369677][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 165.375824][ C0] Code: 65 db a4 ff 48 c7 c7 98 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 [ 165.395415][ C0] RSP: 0018:ffffc90001a87a30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 165.404862][ C0] RAX: 0000000000000001 RBX: ffffea0001b083c0 RCX: 0000000000000000 [ 165.412867][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b083c0 [ 165.420827][ C0] RBP: ffffc90001a87a50 R08: 000000000003a768 R09: ffffed10140d22ef [ 165.428808][ C0] R10: ffffed10140d22ef R11: 0000000000000000 R12: ffffea0001b083c0 [ 165.436778][ C0] R13: 1ffffd400036107f R14: ffffea0001b083f8 R15: 0000000000000000 [ 165.444772][ C0] free_thread_stack+0x12e/0x590 [ 165.449700][ C0] put_task_stack+0xa3/0x130 [ 165.454304][ C0] finish_task_switch+0x3f1/0x550 [ 165.459320][ C0] __schedule+0x9a8/0xcc0 [ 165.463656][ C0] schedule+0x181/0x210 [ 165.467804][ C0] do_syslog+0xdc7/0x1740 [ 165.472125][ C0] ? init_wait_entry+0xe0/0xe0 [ 165.476882][ C0] kmsg_read+0x94/0xd0 [ 165.480941][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 165.485976][ C0] proc_reg_read+0x1e2/0x2d0 [ 165.490559][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 165.495661][ C0] __vfs_read+0xb8/0x730 [ 165.499901][ C0] ? security_file_permission+0x23c/0x350 [ 165.505629][ C0] ? rw_verify_area+0x1c2/0x360 [ 165.510485][ C0] vfs_read+0x1dd/0x420 [ 165.514633][ C0] ksys_read+0x117/0x220 [ 165.518870][ C0] __x64_sys_read+0x7b/0x90 [ 165.523366][ C0] do_syscall_64+0xf7/0x1c0 [ 165.527865][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.533751][ C0] RIP: 0033:0x7f36a1b4f1fd [ 165.538170][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 165.558013][ C0] RSP: 002b:00007f369f0eee30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 165.566537][ C0] RAX: ffffffffffffffda RBX: 000000000143e650 RCX: 00007f36a1b4f1fd [ 165.574513][ C0] RDX: 0000000000000fff RSI: 00007f36a09235a0 RDI: 0000000000000004 [ 165.582501][ C0] RBP: 0000000000000000 R08: 0000000001429260 R09: 0000000004000001 [ 165.590476][ C0] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 165.598440][ C0] R13: 00007f369f0ef9c0 R14: 00007f36a2194040 R15: 0000000000000003