[ 43.042734][ T25] audit: type=1800 audit(1575400703.815:26): pid=8005 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.080770][ T25] audit: type=1800 audit(1575400703.815:27): pid=8005 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.123910][ T25] audit: type=1800 audit(1575400703.815:28): pid=8005 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. [ 43.812556][ T25] audit: type=1800 audit(1575400704.615:29): pid=8005 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 '10.128.1.0' (ECDSA) to the list of known hosts. 2019/12/03 19:18:34 fuzzer started 2019/12/03 19:18:35 dialing manager at 10.128.0.26:42111 2019/12/03 19:18:35 syscalls: 2689 2019/12/03 19:18:35 code coverage: enabled 2019/12/03 19:18:35 comparison tracing: enabled 2019/12/03 19:18:35 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:18:35 setuid sandbox: enabled 2019/12/03 19:18:35 namespace sandbox: enabled 2019/12/03 19:18:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:18:35 fault injection: enabled 2019/12/03 19:18:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:18:35 net packet injection: enabled 2019/12/03 19:18:35 net device setup: enabled 2019/12/03 19:18:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:18:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:18:36 executing program 0: r0 = socket(0x42000000015, 0x805, 0x0) getsockopt(r0, 0x114, 0x8, &(0x7f0000af0fe7)=""/13, &(0x7f0000000000)=0xd) 19:18:37 executing program 1: perf_event_open(&(0x7f0000000200)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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, 0x550}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) add_key(&(0x7f0000000000)='asymmetric\x00', 0x0, &(0x7f0000000440)='0', 0x1, 0xfffffffffffffffd) syzkaller login: [ 56.321414][ T8168] IPVS: ftp: loaded support on port[0] = 21 19:18:37 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) 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_config_ext, 0x2a939, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x13, r1, 0x0) mount(0x0, &(0x7f0000001600)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0) syz_open_dev$mice(0x0, 0x0, 0x0) r2 = socket$caif_stream(0x25, 0x1, 0x3) r3 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r3, 0x11b, 0x4, 0x0, 0x0) setsockopt$XDP_UMEM_FILL_RING(r3, 0x11b, 0x5, &(0x7f00000004c0)=0x80, 0x4) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100), &(0x7f00000002c0)=0x14) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f00000001c0)=0x400, 0x4) bind$xdp(r3, &(0x7f0000000900)={0x2c, 0x2}, 0x10) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'ip6tnl0\x00'}) ioctl$TIOCGISO7816(0xffffffffffffffff, 0x80285442, 0x0) open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000300), 0x12) r4 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000280)='/dev/nullb0\x00', 0x4400, 0x0) r5 = socket(0x10, 0x1, 0x6) accept$unix(r5, &(0x7f00000016c0), 0x0) preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000400)=""/4096, 0x3ffc00}], 0x1, 0x0) syz_open_dev$usbmon(0x0, 0x0, 0x0) lstat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) socket$packet(0x11, 0x2, 0x300) [ 56.502816][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 56.525325][ T8168] chnl_net:caif_netlink_parms(): no params data found [ 56.645812][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.654868][ T8168] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.675108][ T8168] device bridge_slave_0 entered promiscuous mode [ 56.706920][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.722877][ T8168] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.730437][ T8168] device bridge_slave_1 entered promiscuous mode [ 56.774783][ T8173] IPVS: ftp: loaded support on port[0] = 21 [ 56.802459][ T8168] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 19:18:37 executing program 3: pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_ROPEN(r0, &(0x7f0000000280)={0x18, 0x71, 0x2, {{0x2, 0x4, 0x3}, 0x5}}, 0x18) syz_open_dev$sndtimer(&(0x7f0000000840)='/dev/snd/timer\x00', 0x0, 0x10000) r1 = memfd_create(&(0x7f0000000540)='\x00\xac=\x9d\xd2\xdb\xe6\xbf\xb4\b\xedcJ\x8e\x84\xd4N\x12\x9b\x1f\t\xbd\x11+\x86T\x16C\xb3\xae0\x9f9?\xefo\xa4k\x012>\xa1\x9c\x86x\x1c\x9f\x84\x195\xde\x97_\t~\xf3Y\x12\"p^\xc1\x0f', 0xf26f9cb959fab63d) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000480)='Cpuacct.stE\xae\x00', 0x275a, 0x0) r3 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) fallocate(r3, 0x0, 0x0, 0x2000002) read$eventfd(r3, &(0x7f00000003c0), 0x8) fallocate(r1, 0x0, 0x6, 0xffffffffffff5a11) r4 = creat(&(0x7f0000000080)='./bus\x00', 0x20) r5 = socket$inet6(0xa, 0x400000000001, 0x0) r6 = dup(r5) ioctl$FICLONE(0xffffffffffffffff, 0x40049409, r5) setsockopt$inet6_tcp_int(r6, 0x6, 0x12, &(0x7f0000000000)=0x7f, 0x4) bind$inet6(r5, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r5, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) setsockopt$SO_BINDTODEVICE(r5, 0x1, 0x19, &(0x7f0000000180)='syz_tun\x00', 0x10) sendmsg$IPVS_CMD_SET_INFO(r2, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x24000}, 0xc, &(0x7f00000004c0)={&(0x7f00000002c0)={0xc0, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_TUN_TYPE={0x8, 0xd, 0x1}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x4}, @IPVS_DEST_ATTR_TUN_PORT={0x8, 0xe, 0x4e24}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@empty}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x6b626fbd}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x2f}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@rand_addr=0x6}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x400}]}, 0xc0}, 0x1, 0x0, 0x0, 0x40}, 0x800) vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) r7 = open(&(0x7f0000000440)='./bus\x00', 0x0, 0x0) ftruncate(r4, 0x800fe) sendfile(r6, r7, 0x0, 0x8000fffffffe) [ 56.826595][ T8168] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.845792][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 56.911276][ T8168] team0: Port device team_slave_0 added [ 56.938317][ T8168] team0: Port device team_slave_1 added [ 56.989204][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.998377][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.007481][ T8171] device bridge_slave_0 entered promiscuous mode [ 57.039016][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.049348][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.058228][ T8171] device bridge_slave_1 entered promiscuous mode [ 57.080731][ T8173] chnl_net:caif_netlink_parms(): no params data found 19:18:37 executing program 4: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0x4}, 0x10) write(r0, &(0x7f0000000080)="240000001a005f0214f9f407000904000a00000000000000000000000800040000000000", 0x24) [ 57.106186][ T8177] IPVS: ftp: loaded support on port[0] = 21 [ 57.165682][ T8168] device hsr_slave_0 entered promiscuous mode [ 57.233969][ T8168] device hsr_slave_1 entered promiscuous mode [ 57.302918][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.319782][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.333319][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.341333][ T8173] device bridge_slave_0 entered promiscuous mode [ 57.348620][ T8180] IPVS: ftp: loaded support on port[0] = 21 19:18:38 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$kcm(0x2, 0x3, 0x2) r4 = socket$kcm(0x10, 0x3, 0x4) sendmsg$kcm(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000100)="4c000000150081f87059ae08060c040002ff0f02000000000000018701546fabca1b4e7d06a6bd7c493872f750375ed08a562ad6e74703c48f93b82a03000000461eb886a5e54e8ff5314461", 0x4c}], 0x1}, 0x0) close(r3) [ 57.378643][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.400970][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.410266][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.418528][ T8173] device bridge_slave_1 entered promiscuous mode [ 57.491237][ T8171] team0: Port device team_slave_0 added [ 57.504202][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.514129][ T8168] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.567794][ T8168] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.613197][ T8171] team0: Port device team_slave_1 added [ 57.622419][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.638321][ T8168] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.712532][ T8182] IPVS: ftp: loaded support on port[0] = 21 [ 57.713373][ T8173] team0: Port device team_slave_0 added [ 57.731741][ T8173] team0: Port device team_slave_1 added [ 57.737911][ T8168] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.806087][ T8171] device hsr_slave_0 entered promiscuous mode [ 57.893036][ T8171] device hsr_slave_1 entered promiscuous mode [ 57.942851][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.985451][ T8173] device hsr_slave_0 entered promiscuous mode [ 58.043191][ T8173] device hsr_slave_1 entered promiscuous mode [ 58.082857][ T8173] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.189969][ T8173] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.261295][ T8173] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.330806][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 58.341878][ T8173] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.374949][ T8173] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.432038][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 58.447531][ T8171] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.527566][ T8171] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.588587][ T8171] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.645176][ T8171] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.748691][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.756810][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.765066][ T8180] device bridge_slave_0 entered promiscuous mode [ 58.774444][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.781573][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.789735][ T8180] device bridge_slave_1 entered promiscuous mode [ 58.824155][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.831388][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.841056][ T8177] device bridge_slave_0 entered promiscuous mode [ 58.849468][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.856664][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.864531][ T8177] device bridge_slave_1 entered promiscuous mode [ 58.887074][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.897950][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.910036][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.929539][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.983519][ T8180] team0: Port device team_slave_0 added [ 58.991636][ T8180] team0: Port device team_slave_1 added [ 59.000697][ T8177] team0: Port device team_slave_0 added [ 59.015084][ T8168] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.023104][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 59.038164][ T8177] team0: Port device team_slave_1 added [ 59.070825][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.080007][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.091621][ T8168] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.102299][ T8173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.166714][ T8180] device hsr_slave_0 entered promiscuous mode [ 59.223184][ T8180] device hsr_slave_1 entered promiscuous mode [ 59.272866][ T8180] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.320650][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.329956][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.338910][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.346122][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.405432][ T8177] device hsr_slave_0 entered promiscuous mode [ 59.443053][ T8177] device hsr_slave_1 entered promiscuous mode [ 59.482841][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.495311][ T8173] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.504759][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.511845][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.519926][ T8182] device bridge_slave_0 entered promiscuous mode [ 59.529573][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.540240][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.548439][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.557837][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.567307][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.575957][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.583072][ T8186] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.635511][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.643134][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.650840][ T8182] device bridge_slave_1 entered promiscuous mode [ 59.668300][ T8180] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.705044][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.713749][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.722454][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.731014][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.738326][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.746296][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.755397][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.764380][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.771688][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.779681][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.790267][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.805799][ T8177] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.854548][ T8177] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.906461][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.917219][ T8180] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.985407][ T8180] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.045509][ T8180] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.094615][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.103882][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.123561][ T8177] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.155739][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.179710][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.189084][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.198033][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.207407][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.216915][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.225413][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.235126][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.244328][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.253323][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.261748][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.270451][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.279046][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.288566][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.296692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.305799][ T8177] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.373589][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.382099][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.390795][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.400319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.418744][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.441474][ T8171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.452269][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.465238][ T8182] team0: Port device team_slave_0 added [ 60.477195][ T8182] team0: Port device team_slave_1 added [ 60.504243][ T8173] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.529076][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.538130][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.546405][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.554500][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.570466][ T8171] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.590803][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.599692][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.611805][ T3034] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.619224][ T3034] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.628539][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.685509][ T8182] device hsr_slave_0 entered promiscuous mode [ 60.713200][ T8182] device hsr_slave_1 entered promiscuous mode [ 60.753000][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.789442][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.803356][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 165.822600][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.829389][ C1] rcu: 1-...!: (10499 ticks this GP) idle=612/1/0x4000000000000002 softirq=11165/11165 fqs=145 [ 165.840037][ C1] (t=10500 jiffies g=6425 q=78) [ 165.844967][ C1] rcu: rcu_preempt kthread starved for 10203 jiffies! g6425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.856046][ C1] rcu: RCU grace-period kthread stack dump: [ 165.861922][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.869811][ C1] Call Trace: [ 165.873101][ C1] __schedule+0x9a0/0xcc0 [ 165.877426][ C1] schedule+0x181/0x210 [ 165.881571][ C1] schedule_timeout+0x14f/0x240 [ 165.886410][ C1] ? run_local_timers+0x120/0x120 [ 165.891424][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.896180][ C1] kthread+0x332/0x350 [ 165.900232][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.905329][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.909907][ C1] ret_from_fork+0x24/0x30 [ 165.914320][ C1] NMI backtrace for cpu 1 [ 165.918637][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.4.0-syzkaller #0 [ 165.926419][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.936468][ C1] Workqueue: events linkwatch_event [ 165.941649][ C1] Call Trace: [ 165.944917][ C1] [ 165.947760][ C1] dump_stack+0x1fb/0x318 [ 165.952081][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.956916][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.963060][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.969110][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.975076][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.980956][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.986057][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.991243][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.996257][ C1] update_process_times+0x12d/0x180 [ 166.001444][ C1] tick_sched_timer+0x263/0x420 [ 166.006280][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.011811][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.017011][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.021954][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.027229][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.032767][ C1] apic_timer_interrupt+0xf/0x20 [ 166.037684][ C1] [ 166.040610][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 166.046752][ C1] Code: 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 166.066338][ C1] RSP: 0018:ffffc90000d8f6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.074742][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a9e42480 [ 166.082701][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea0001b042c0 [ 166.090662][ C1] RBP: ffffc90000d8f6f0 R08: 000000000003a768 R09: ffffed101496974f [ 166.098621][ C1] R10: ffffed101496974f R11: 0000000000000000 R12: dffffc0000000000 [ 166.106578][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a4b4ba68 [ 166.114544][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.119904][ C1] ? free_thread_stack+0x124/0x590 [ 166.124998][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.130357][ C1] free_thread_stack+0x168/0x590 [ 166.135286][ C1] put_task_stack+0xa3/0x130 [ 166.139862][ C1] finish_task_switch+0x3f1/0x550 [ 166.144876][ C1] __schedule+0x9a8/0xcc0 [ 166.149201][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.154297][ C1] preempt_schedule+0xdb/0x120 [ 166.159049][ C1] ___preempt_schedule+0x16/0x18 [ 166.163972][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 166.168650][ C1] ? vprintk_emit+0x368/0x3a0 [ 166.173317][ C1] vprintk_emit+0x36d/0x3a0 [ 166.177811][ C1] vprintk_default+0x28/0x30 [ 166.182472][ C1] vprintk_func+0x158/0x170 [ 166.186962][ C1] printk+0x62/0x8d [ 166.190779][ C1] ? addrconf_notify+0xd37/0x3c90 [ 166.195935][ C1] ? addrconf_notify+0x779/0x3c90 [ 166.200976][ C1] addrconf_notify+0x2c8d/0x3c90 [ 166.205934][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 166.211216][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 166.216587][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.222126][ C1] ? trace_hardirqs_on+0x74/0x80 [ 166.227050][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 166.232408][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.237935][ C1] ? tls_dev_event+0x619/0xc00 [ 166.242687][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.248215][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 166.253402][ C1] raw_notifier_call_chain+0xec/0x190 [ 166.258762][ C1] netdev_state_change+0x147/0x1f0 [ 166.263864][ C1] linkwatch_do_dev+0x10e/0x160 [ 166.268702][ C1] __linkwatch_run_queue+0x446/0x730 [ 166.273982][ C1] linkwatch_event+0x4c/0x60 [ 166.278559][ C1] process_one_work+0x7ef/0x10d0 [ 166.283499][ C1] worker_thread+0xc01/0x1630 [ 166.288181][ C1] kthread+0x332/0x350 [ 166.292233][ C1] ? rcu_lock_release+0x30/0x30 [ 166.297069][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.301649][ C1] ret_from_fork+0x24/0x30