[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.449868][ T27] audit: type=1800 audit(1578487219.828:25): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.484806][ T27] audit: type=1800 audit(1578487219.828:26): pid=8666 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.507773][ T27] audit: type=1800 audit(1578487219.828:27): pid=8666 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 '10.128.10.16' (ECDSA) to the list of known hosts. 2020/01/08 12:40:30 fuzzer started 2020/01/08 12:40:31 dialing manager at 10.128.0.26:35703 2020/01/08 12:40:31 syscalls: 2824 2020/01/08 12:40:31 code coverage: enabled 2020/01/08 12:40:31 comparison tracing: enabled 2020/01/08 12:40:31 extra coverage: enabled 2020/01/08 12:40:31 setuid sandbox: enabled 2020/01/08 12:40:31 namespace sandbox: enabled 2020/01/08 12:40:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:40:31 fault injection: enabled 2020/01/08 12:40:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:40:31 net packet injection: enabled 2020/01/08 12:40:31 net device setup: enabled 2020/01/08 12:40:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:40:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:40:32 executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x1, @loopback}, 0x10) syzkaller login: [ 69.465514][ T8835] IPVS: ftp: loaded support on port[0] = 21 12:40:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000000)="390000001300250069000007a2e407edab1d05580d00000046038107a277001419000a000d000000000003f5000000000000ef38bf461e59d7", 0x330}], 0x1) [ 69.643914][ T8835] chnl_net:caif_netlink_parms(): no params data found [ 69.668520][ T8838] IPVS: ftp: loaded support on port[0] = 21 [ 69.749413][ T8835] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.765431][ T8835] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.773173][ T8835] device bridge_slave_0 entered promiscuous mode 12:40:33 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000000)='tasks\x00', 0x2, 0x0) r2 = openat$cgroup_int(r0, &(0x7f0000000180)='cpuset.cpu_exclusive\x00', 0x2, 0x0) sendfile(r2, r1, &(0x7f0000000040)=0xc000ffb, 0x100004) [ 69.809514][ T8835] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.817693][ T8835] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.827127][ T8835] device bridge_slave_1 entered promiscuous mode [ 69.870950][ T8835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.896693][ T8835] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.955293][ T8835] team0: Port device team_slave_0 added [ 70.009557][ T8835] team0: Port device team_slave_1 added [ 70.041271][ T8838] chnl_net:caif_netlink_parms(): no params data found [ 70.066917][ T8841] IPVS: ftp: loaded support on port[0] = 21 12:40:33 executing program 3: socket$inet6_sctp(0xa, 0x10000000005, 0x84) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40086602, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = creat(&(0x7f0000000140)='./bus\x00', 0x0) ftruncate(r2, 0x8200) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, r3, 0x0, 0x8000fffffffe) socket(0x10, 0x2, 0x0) sendmsg$unix(r1, &(0x7f0000000b00)={&(0x7f00000000c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f00000008c0)=[{0x0}, {&(0x7f0000000240)="f38e38794884f166d7b2", 0xa}, {0x0}, {&(0x7f0000000580)="8281f0535c57546db03c7509e4cf2716fcf4127f3644ef713966139cbe0d76edfe64aec763c4fd8a95ea804bd3ae0cba5af1f4ce8d4a61ce6ea490ca0b5bc838b79f5ad0c864689d86a4502e812f", 0x4e}, {&(0x7f0000000640)="917ce5add0be1219367124af05468bc0cc509ab276a1927ff9968a71427553b972fb49e3db53dacfd8d976c07fab41214ad323c6bdfcf538bceba77e9b3e53c631a5142a7d916e3962784b8c459531d0a37c9d728d875791a3f8f62a432bb0b0ba455eaf51d1723d6a0abe02d258c88727e3a363f42b2fc5b1d2b72d92d56175043d99d00f5bfe0d6972425a990cb8bae293b813636cf5ce4e9e1d6b82066b84f3e183f68dbf668c01129b2757b3678c0f8b0a2a696d21240d1d3075de9f0277b7103d8831662feca33eb1e63080524e29e6ee399e94f7504d3ffc3bc7906bb0b5ee6b63405b3441f232ba6d86f2", 0xee}, {&(0x7f00000003c0)}, {0x0}], 0x7, 0x0, 0x0, 0x811}, 0x80) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ftruncate(0xffffffffffffffff, 0x0) creat(0x0, 0x0) open(0x0, 0x0, 0x0) gettid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb), 0x0) sendmsg$unix(0xffffffffffffffff, 0x0, 0x80) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000200)) getgid() creat(&(0x7f0000000100)='./bus\x00', 0x0) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, r4, 0x0, 0x0) r5 = open(&(0x7f0000862000)='./file0\x00', 0x0, 0x0) r6 = open(&(0x7f0000862000)='./file0\x00', 0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) dup2(r5, r6) lchown(0x0, 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000000)='system.posix_acl_access\x00', 0x0, 0x0, 0x3) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, @in={{0x2, 0x0, @dev}}}}, &(0x7f0000000080)=0xb0) [ 70.137044][ T8835] device hsr_slave_0 entered promiscuous mode [ 70.175044][ T8835] device hsr_slave_1 entered promiscuous mode [ 70.322307][ T8838] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.338990][ T8838] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.347375][ T8838] device bridge_slave_0 entered promiscuous mode [ 70.356875][ T8838] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.364028][ T8838] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.372253][ T8838] device bridge_slave_1 entered promiscuous mode [ 70.402607][ T8843] IPVS: ftp: loaded support on port[0] = 21 [ 70.437174][ T8838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 12:40:33 executing program 4: socket$inet_udplite(0x2, 0x2, 0x88) openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x14000, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)='\np\x00\x00\x00\x00\x00\x00\x00\x00\x00') r1 = creat(&(0x7f00000000c0)='./file0\x00', 0x0) getsockopt$inet_udp_int(r1, 0x11, 0xb, &(0x7f0000000040), &(0x7f0000000140)=0x4) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000000c0)=0x1914, 0x4) bind$inet6(r2, &(0x7f0000000080)={0xa, 0x4e22, 0x8}, 0x1c) open(&(0x7f0000000300)='./file0/file0\x00', 0x100, 0x10) setsockopt$sock_int(r2, 0x1, 0x2e, &(0x7f0000000040)=0x4000000000000005, 0x4) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000340)='/dev/null\x00', 0x0, 0x0) bind$netlink(r3, &(0x7f00000013c0)={0x10, 0x0, 0x25dfdbfe, 0x10}, 0xc) ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, 0x0) sendto$inet6(r2, 0x0, 0x1cd, 0x200408d4, &(0x7f0000000380)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) sendto$inet6(r2, &(0x7f0000000000)="cc", 0x1, 0x0, 0x0, 0x0) recvmsg(r2, &(0x7f00000002c0)={&(0x7f0000000100)=@pppoe={0x18, 0x0, {0x0, @link_local}}, 0x80, &(0x7f0000000280)=[{&(0x7f00000003c0)=""/4096, 0x1000}, {&(0x7f0000000180)=""/247, 0xf7}], 0x2, &(0x7f00000023c0)=""/4096, 0x1000}, 0x1ffe) [ 70.481925][ T8838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.569144][ T8838] team0: Port device team_slave_0 added [ 70.616691][ T8835] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.669617][ T8838] team0: Port device team_slave_1 added [ 70.707297][ T8835] netdevsim netdevsim0 netdevsim1: renamed from eth1 12:40:34 executing program 5: unshare(0x400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r2, 0x84, 0xf, 0x0, &(0x7f00000002c0)) [ 70.737628][ T8835] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.844195][ T8835] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.860971][ T8846] IPVS: ftp: loaded support on port[0] = 21 [ 70.919147][ T8841] chnl_net:caif_netlink_parms(): no params data found [ 70.977345][ T8838] device hsr_slave_0 entered promiscuous mode [ 71.035168][ T8838] device hsr_slave_1 entered promiscuous mode [ 71.094850][ T8838] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.102724][ T8838] Cannot create hsr debugfs directory [ 71.124255][ T8848] IPVS: ftp: loaded support on port[0] = 21 [ 71.200031][ T8841] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.208333][ T8841] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.216187][ T8841] device bridge_slave_0 entered promiscuous mode [ 71.260201][ T8843] chnl_net:caif_netlink_parms(): no params data found [ 71.274163][ T8841] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.282402][ T8841] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.295119][ T8841] device bridge_slave_1 entered promiscuous mode [ 71.319848][ T8841] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.340865][ T8841] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.401260][ T8841] team0: Port device team_slave_0 added [ 71.431761][ T8841] team0: Port device team_slave_1 added [ 71.442102][ T8843] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.450082][ T8843] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.458535][ T8843] device bridge_slave_0 entered promiscuous mode [ 71.489833][ T8843] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.497265][ T8843] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.505935][ T8843] device bridge_slave_1 entered promiscuous mode [ 71.526983][ T8843] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.540878][ T8843] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.579256][ T8838] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.706457][ T8841] device hsr_slave_0 entered promiscuous mode [ 71.765172][ T8841] device hsr_slave_1 entered promiscuous mode [ 71.814816][ T8841] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.822652][ T8841] Cannot create hsr debugfs directory [ 71.835807][ T8838] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.899057][ T8843] team0: Port device team_slave_0 added [ 71.908223][ T8843] team0: Port device team_slave_1 added [ 71.940870][ T8838] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.000268][ T8838] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.069693][ T8846] chnl_net:caif_netlink_parms(): no params data found [ 72.118834][ T8843] device hsr_slave_0 entered promiscuous mode [ 72.175092][ T8843] device hsr_slave_1 entered promiscuous mode [ 72.224906][ T8843] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.232593][ T8843] Cannot create hsr debugfs directory [ 72.261559][ T8835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.314825][ T8848] chnl_net:caif_netlink_parms(): no params data found [ 72.350457][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.358678][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.386887][ T8846] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.394043][ T8846] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.401843][ T8846] device bridge_slave_0 entered promiscuous mode [ 72.413810][ T8835] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.436141][ T8846] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.443225][ T8846] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.452600][ T8846] device bridge_slave_1 entered promiscuous mode [ 72.491992][ T8846] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.517563][ T8841] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.557382][ T8846] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.568148][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.576859][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.587323][ T2810] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.594610][ T2810] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.602949][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.611812][ T8848] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.619023][ T8848] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.628007][ T8848] device bridge_slave_0 entered promiscuous mode [ 72.639156][ T8848] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.646488][ T8848] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.654249][ T8848] device bridge_slave_1 entered promiscuous mode [ 72.663615][ T8841] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.721716][ T8841] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.811177][ T8841] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.847506][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.857713][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.866257][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.873637][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.899900][ T8848] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.912016][ T8846] team0: Port device team_slave_0 added [ 72.923414][ T8846] team0: Port device team_slave_1 added [ 72.938448][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.948752][ T8843] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.008101][ T8848] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.046583][ T8843] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.087206][ T8843] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.150750][ T8843] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.202778][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.212358][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.221774][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.230540][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.239978][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.248501][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.256772][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.265181][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.273501][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.285683][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.338085][ T8846] device hsr_slave_0 entered promiscuous mode [ 73.375155][ T8846] device hsr_slave_1 entered promiscuous mode [ 73.414834][ T8846] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.422406][ T8846] Cannot create hsr debugfs directory [ 73.437625][ T8848] team0: Port device team_slave_0 added [ 73.446994][ T8835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.480320][ T8848] team0: Port device team_slave_1 added [ 73.533355][ T8838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.607952][ T8848] device hsr_slave_0 entered promiscuous mode [ 73.655183][ T8848] device hsr_slave_1 entered promiscuous mode [ 73.704809][ T8848] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.712751][ T8848] Cannot create hsr debugfs directory [ 73.738803][ T8838] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.753203][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.761167][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.769348][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.777472][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.841765][ T8835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.849929][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.859075][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.867759][ T2693] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.874956][ T2693] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.886410][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.895100][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.903969][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.911102][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.919018][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.953650][ T8841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.975947][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.990142][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.998891][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.008428][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.017616][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.027210][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.035527][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.043762][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.085061][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.092934][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.104281][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.113015][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.121236][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.129482][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.138174][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.148743][ T8841] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.164456][ T8848] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.225641][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.234187][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.243022][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.250143][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.262764][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.273316][ T8838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.292128][ T8848] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.327209][ T8848] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.396215][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.405869][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.415923][ T2810] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.422992][ T2810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.440430][ T8846] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.485738][ T8843] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.492988][ T8848] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.530586][ T8835] device veth0_vlan entered promiscuous mode [ 74.537804][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.546478][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.554886][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.563362][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.571349][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.580120][ T8846] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.631874][ T8846] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.694107][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.704340][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.712615][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.722114][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.730603][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.739384][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.748119][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.756654][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.768113][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.776626][ T8846] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.851851][ T8843] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.865447][ T8838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.875073][ T8835] device veth1_vlan entered promiscuous mode [ 74.884006][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.898280][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.906848][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.915822][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.948258][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.956605][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.966237][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.975365][ T2812] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.985321][ T2812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.993359][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.001877][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.010939][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.057389][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.070696][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.081294][ T2812] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.090638][ T2812] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.099383][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.108114][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.116867][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.126111][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.134771][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.143266][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.151907][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.167174][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.174641][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.203393][ T8838] device veth0_vlan entered promiscuous mode [ 75.217637][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.236329][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.250271][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.263146][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.272525][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.281428][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.317297][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.331613][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 180.254680][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.262343][ C1] rcu: 1-...!: (10499 ticks this GP) idle=586/1/0x4000000000000002 softirq=13397/13397 fqs=39 [ 180.273476][ C1] (t=10501 jiffies g=7569 q=247) [ 180.278587][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g7569 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 180.289674][ C1] rcu: RCU grace-period kthread stack dump: [ 180.295584][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 180.303490][ C1] Call Trace: [ 180.306784][ C1] __schedule+0x9a0/0xcc0 [ 180.311115][ C1] schedule+0x181/0x210 [ 180.315968][ C1] schedule_timeout+0x14f/0x240 [ 180.320964][ C1] ? run_local_timers+0x120/0x120 [ 180.326100][ C1] rcu_gp_kthread+0xed8/0x1770 [ 180.331020][ C1] kthread+0x332/0x350 [ 180.335099][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 180.340214][ C1] ? kthread_blkcg+0xe0/0xe0 [ 180.345066][ C1] ret_from_fork+0x24/0x30 [ 180.349494][ C1] NMI backtrace for cpu 1 [ 180.353821][ C1] CPU: 1 PID: 8854 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.363030][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.373199][ C1] Call Trace: [ 180.377447][ C1] [ 180.380392][ C1] dump_stack+0x1fb/0x318 [ 180.384926][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.389905][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.396084][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.402179][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.408172][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.414091][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.419221][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.424418][ C1] ? trace_hardirqs_off+0x74/0x80 [ 180.429442][ C1] update_process_times+0x12d/0x180 [ 180.434657][ C1] tick_sched_timer+0x263/0x420 [ 180.439504][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.445064][ C1] __hrtimer_run_queues+0x403/0x840 [ 180.450278][ C1] hrtimer_interrupt+0x38c/0xda0 [ 180.455676][ C1] ? debug_smp_processor_id+0x9/0x20 [ 180.460965][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 180.466506][ C1] apic_timer_interrupt+0xf/0x20 [ 180.471627][ C1] [ 180.474565][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 180.480731][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 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 [ 180.501284][ C1] RSP: 0018:ffffc90002b97a78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.510297][ C1] RAX: ffffffff814896c6 RBX: ffffea00028dbc00 RCX: ffff8880a6e44280 [ 180.519245][ C1] RDX: ffffc90001e89000 RSI: 000000000003ffff RDI: ffffea00028dbc00 [ 180.527229][ C1] RBP: ffffc90002b97aa0 R08: dffffc0000000000 R09: fffffbfff124248a [ 180.535218][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880924671a0 [ 180.543207][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888094a69578 [ 180.551213][ C1] ? mod_memcg_page_state+0x16/0x190 [ 180.556501][ C1] ? free_thread_stack+0x124/0x590 [ 180.561620][ C1] ? mod_memcg_page_state+0x16/0x190 [ 180.566909][ C1] free_thread_stack+0x168/0x590 [ 180.571858][ C1] put_task_stack+0xa3/0x130 [ 180.576451][ C1] finish_task_switch+0x3f1/0x550 [ 180.581572][ C1] __schedule+0x9a8/0xcc0 [ 180.585910][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 180.591725][ C1] preempt_schedule_notrace+0xdb/0x120 [ 180.597798][ C1] ___preempt_schedule_notrace+0x16/0x27 [ 180.603515][ C1] ? rcu_is_watching+0x57/0xa0 [ 180.608282][ C1] rcu_is_watching+0x82/0xa0 [ 180.612870][ C1] memcg_kmem_get_cache+0x2e8/0x570 [ 180.618065][ C1] ? __should_failslab+0x11a/0x160 [ 180.623436][ C1] ? sk_prot_alloc+0x60/0x290 [ 180.628111][ C1] kmem_cache_alloc+0x86/0x2e0 [ 180.632885][ C1] sk_prot_alloc+0x60/0x290 [ 180.637391][ C1] sk_alloc+0x38/0x9c0 [ 180.642441][ C1] ? rcu_lock_release+0x9/0x30 [ 180.647209][ C1] rds_create+0x8a/0x4a0 [ 180.651470][ C1] __sock_create+0x5cc/0x910 [ 180.656061][ C1] __sys_socket+0xe7/0x2e0 [ 180.660478][ C1] __x64_sys_socket+0x7a/0x90 [ 180.665242][ C1] do_syscall_64+0xf7/0x1c0 [ 180.669760][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.675764][ C1] RIP: 0033:0x45af49 [ 180.679681][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 180.699454][ C1] RSP: 002b:00007fcb59626c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 180.707865][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 180.715833][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000015 [ 180.724849][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 180.732843][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb596276d4 [ 180.740832][ C1] R13: 00000000004cba7b R14: 00000000004e6378 R15: 00000000ffffffff