[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.685057][ T26] audit: type=1800 audit(1578459563.648:25): pid=8326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.704763][ T26] audit: type=1800 audit(1578459563.648:26): pid=8326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.753801][ T26] audit: type=1800 audit(1578459563.648:27): pid=8326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. 2020/01/08 04:59:34 fuzzer started syzkaller login: [ 61.999445][ T8483] cc1 (8483) used greatest stack depth: 23896 bytes left 2020/01/08 04:59:35 dialing manager at 10.128.0.26:35703 2020/01/08 04:59:35 syscalls: 2824 2020/01/08 04:59:35 code coverage: enabled 2020/01/08 04:59:35 comparison tracing: enabled 2020/01/08 04:59:35 extra coverage: enabled 2020/01/08 04:59:35 setuid sandbox: enabled 2020/01/08 04:59:35 namespace sandbox: enabled 2020/01/08 04:59:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:59:35 fault injection: enabled 2020/01/08 04:59:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:59:35 net packet injection: enabled 2020/01/08 04:59:35 net device setup: enabled 2020/01/08 04:59:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:59:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:59:36 executing program 0: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setrlimit(0x0, &(0x7f0000000200)) 04:59:37 executing program 1: add_key(&(0x7f0000000180)='rxrpc\x00', 0x0, &(0x7f00000000c0)="00000000000000403afeffdd818fff3625107704a6d900000000000000a40200", 0x20, 0xfffffffffffffffb) [ 64.179641][ T8492] IPVS: ftp: loaded support on port[0] = 21 04:59:37 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='fdinfo\x00') fchdir(r0) sched_setattr(0x0, &(0x7f00000002c0)={0x30}, 0x0) quotactl(0x2080000201, &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f00000002c0)) [ 64.328592][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 64.343715][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 64.474915][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.488846][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.496846][ T8492] device bridge_slave_0 entered promiscuous mode [ 64.537160][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.547346][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.555755][ T8492] device bridge_slave_1 entered promiscuous mode [ 64.566551][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 64.612032][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 64.635895][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 04:59:37 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x10, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) munmap(&(0x7f000053c000/0xf000)=nil, 0xf000) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x4, 0x0, 0x0, 0x10000000002) [ 64.666769][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.691234][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.701165][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.709527][ T8495] device bridge_slave_0 entered promiscuous mode [ 64.735953][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.755536][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.780468][ T8495] device bridge_slave_1 entered promiscuous mode [ 64.793439][ T8492] team0: Port device team_slave_0 added [ 64.809923][ T8492] team0: Port device team_slave_1 added [ 64.888966][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 04:59:37 executing program 4: perf_event_open(&(0x7f0000001340)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x8000000000001e, 0x5, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000080)="a3", 0x1}], 0x1) syz_open_dev$video4linux(0x0, 0x0, 0x0) write(r0, 0x0, 0x0) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000785000), 0x34a) writev(r0, &(0x7f00000013c0)=[{&(0x7f00000000c0)="da", 0x1}], 0x1) close(r0) ioctl$UFFDIO_ZEROPAGE(0xffffffffffffffff, 0xc020aa04, &(0x7f0000000380)={{&(0x7f0000ffc000/0x1000)=nil, 0x1000}}) sendmmsg$alg(r1, &(0x7f0000236fc8)=[{0x8004000, 0x0, &(0x7f00000fff80), 0xc, &(0x7f00001e1e78)}], 0x4924924924926c8, 0xf0ff7f) [ 64.961130][ T8492] device hsr_slave_0 entered promiscuous mode [ 65.007856][ T8492] device hsr_slave_1 entered promiscuous mode [ 65.052186][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.103631][ T8495] team0: Port device team_slave_0 added [ 65.125578][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 65.143059][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 65.170563][ T8495] team0: Port device team_slave_1 added 04:59:38 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, 0x0, 0x0, 0x20004004, &(0x7f0000000040)={0xa, 0x20004e22, 0x0, @loopback}, 0x1c) setsockopt$sock_int(r1, 0x1, 0x20, &(0x7f0000000180), 0x4) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x152) setsockopt$inet6_tcp_TLS_TX(r1, 0x11a, 0x1, &(0x7f0000000300)=@gcm_256={{0x304}, "d9dc7fc0ba0af532", "ce9cca46fdeec3557ddd8e27fdd6b1b699c9a86553f1f7acaf441d27a3e6e2c6", "695de11a", "eecd446eafb86624"}, 0x38) sendto$inet6(r1, &(0x7f00000005c0), 0xffffffffffffffc1, 0x0, 0x0, 0x1201000000003618) [ 65.301194][ T8495] device hsr_slave_0 entered promiscuous mode [ 65.347884][ T8495] device hsr_slave_1 entered promiscuous mode [ 65.387726][ T8495] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.395988][ T8495] Cannot create hsr debugfs directory [ 65.410205][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 65.487285][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 65.526806][ T8492] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.582212][ T8492] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.632115][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.639554][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.647135][ T8498] device bridge_slave_0 entered promiscuous mode [ 65.668195][ T8492] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.702056][ T8492] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.765281][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.772499][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.781637][ T8498] device bridge_slave_1 entered promiscuous mode [ 65.817177][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 65.872486][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.888044][ T8495] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.929759][ T8495] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.981936][ T8495] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.042777][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.065730][ T8498] team0: Port device team_slave_0 added [ 66.082415][ T8495] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.160871][ T8498] team0: Port device team_slave_1 added [ 66.182483][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.190173][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.198458][ T8500] device bridge_slave_0 entered promiscuous mode [ 66.211100][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 66.228578][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.235846][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.244421][ T8500] device bridge_slave_1 entered promiscuous mode [ 66.278592][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.331937][ T8498] device hsr_slave_0 entered promiscuous mode [ 66.387995][ T8498] device hsr_slave_1 entered promiscuous mode [ 66.427883][ T8498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.435539][ T8498] Cannot create hsr debugfs directory [ 66.459244][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.535586][ T8500] team0: Port device team_slave_0 added [ 66.554584][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 66.564947][ T8500] team0: Port device team_slave_1 added [ 66.575323][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.583087][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.593460][ T8502] device bridge_slave_0 entered promiscuous mode [ 66.604384][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.612637][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.620478][ T8502] device bridge_slave_1 entered promiscuous mode [ 66.665918][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.708161][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.770402][ T8500] device hsr_slave_0 entered promiscuous mode [ 66.808275][ T8500] device hsr_slave_1 entered promiscuous mode [ 66.847663][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.855335][ T8500] Cannot create hsr debugfs directory [ 66.861286][ T8498] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.913678][ T8498] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.969318][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.976402][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.984736][ T8505] device bridge_slave_0 entered promiscuous mode [ 67.013486][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.021681][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.029967][ T8505] device bridge_slave_1 entered promiscuous mode [ 67.036905][ T8498] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.101050][ T8498] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.162159][ T8502] team0: Port device team_slave_0 added [ 67.194494][ T8502] team0: Port device team_slave_1 added [ 67.224167][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.244425][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.259237][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.320915][ T8502] device hsr_slave_0 entered promiscuous mode [ 67.367920][ T8502] device hsr_slave_1 entered promiscuous mode [ 67.418813][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.426544][ T8502] Cannot create hsr debugfs directory [ 67.453350][ T8505] team0: Port device team_slave_0 added [ 67.490072][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.498555][ T8505] team0: Port device team_slave_1 added [ 67.512920][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.523699][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.537081][ T8500] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.579872][ T8500] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.630109][ T8500] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.690120][ T8500] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.780421][ T8505] device hsr_slave_0 entered promiscuous mode [ 67.818382][ T8505] device hsr_slave_1 entered promiscuous mode [ 67.857700][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.865463][ T8505] Cannot create hsr debugfs directory [ 67.883143][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.902669][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.911151][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.927871][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.960078][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.968667][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.980994][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.988185][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.996920][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.006948][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.015985][ T2968] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.023092][ T2968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.031169][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.064268][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.072889][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.082548][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.091562][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.098658][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.107031][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.116559][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.125212][ T2968] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.132283][ T2968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.139881][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.148634][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.158556][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.190189][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.199418][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.209116][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.217450][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.226506][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.235307][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.243624][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.251963][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.260277][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.283981][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.293620][ T8492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.304367][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.312437][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.322235][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.333354][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.360373][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.369812][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.379743][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.387387][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.415264][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.424034][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.439241][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.455062][ T8492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.463070][ T8505] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.510441][ T8505] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.560287][ T8502] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.600332][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.608526][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.615953][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.627223][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.643510][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.652154][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.663311][ T2998] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.670480][ T2998] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.678625][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.687087][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.695757][ T2998] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.702914][ T2998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.712955][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.724864][ T8495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.733811][ T8505] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.769412][ T8502] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.848294][ T8505] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.909935][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.918904][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.927578][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.936046][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.945125][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.954023][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.962674][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.970196][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.977718][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.990982][ T8502] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.072757][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.081636][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.091464][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.100316][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.109492][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.118328][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.126464][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.134802][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.143166][ T8502] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.201099][ T8498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.219989][ T8492] device veth0_vlan entered promiscuous mode [ 69.227306][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.235314][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.245902][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.275042][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.298376][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.316320][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.324053][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.332533][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.341230][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.349900][ T2968] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.357103][ T2968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.366527][ T8492] device veth1_vlan entered promiscuous mode [ 69.385432][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.407315][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.415872][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.424464][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.432540][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.440361][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.450054][ T2968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.518323][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.526372][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.536005][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.544992][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.554574][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.563416][ T3005] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.570538][ T3005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.578554][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.586992][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.595612][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.604095][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.613119][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.621329][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.630659][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.639135][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.647168][ T3005] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.661049][ T8498] device veth0_vlan entered promiscuous mode [ 69.671245][ T8495] device veth0_vlan entered promiscuous mode [ 69.705510][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.718133][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.726452][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 174.757458][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.764376][ C1] rcu: 1-...!: (1 GPs behind) idle=ace/1/0x4000000000000002 softirq=13307/13308 fqs=147 [ 174.774541][ C1] (t=10501 jiffies g=7125 q=76) [ 174.779505][ C1] rcu: rcu_preempt kthread starved for 10208 jiffies! g7125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.790619][ C1] rcu: RCU grace-period kthread stack dump: [ 174.796502][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.804400][ C1] Call Trace: [ 174.807690][ C1] __schedule+0x9a0/0xcc0 [ 174.812029][ C1] schedule+0x181/0x210 [ 174.816186][ C1] schedule_timeout+0x14f/0x240 [ 174.821308][ C1] ? run_local_timers+0x120/0x120 [ 174.826334][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.831096][ C1] kthread+0x332/0x350 [ 174.835155][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.840431][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.845013][ C1] ret_from_fork+0x24/0x30 [ 174.849436][ C1] NMI backtrace for cpu 1 [ 174.853759][ C1] CPU: 1 PID: 8511 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.862357][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.872401][ C1] Call Trace: [ 174.875700][ C1] [ 174.878546][ C1] dump_stack+0x1fb/0x318 [ 174.882870][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.887736][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.893885][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.899945][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.905934][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.911839][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.916947][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.922149][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.927169][ C1] update_process_times+0x12d/0x180 [ 174.932370][ C1] tick_sched_timer+0x263/0x420 [ 174.937226][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.942761][ C1] __hrtimer_run_queues+0x403/0x840 [ 174.948320][ C1] hrtimer_interrupt+0x38c/0xda0 [ 174.953265][ C1] ? debug_smp_processor_id+0x9/0x20 [ 174.958632][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 174.964170][ C1] apic_timer_interrupt+0xf/0x20 [ 174.969097][ C1] [ 174.972028][ C1] RIP: 0010:__memcg_kmem_uncharge+0xa/0x1a0 [ 174.977913][ C1] Code: 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 [ 174.997507][ C1] RSP: 0018:ffffc90002ac76c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.005907][ C1] RAX: ffffffff81489244 RBX: ffffea00027fbb80 RCX: 0000000000040000 [ 175.013973][ C1] RDX: ffffc90002179000 RSI: 0000000000000000 RDI: ffffea00027fbb80 [ 175.021947][ C1] RBP: ffffc90002ac76d8 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.029933][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a0e81920 [ 175.037915][ C1] R13: dffffc0000000000 R14: 1ffff110141d0324 R15: ffff8880a2903878 [ 175.046185][ C1] ? free_thread_stack+0x124/0x590 [ 175.051382][ C1] free_thread_stack+0x12e/0x590 [ 175.056498][ C1] put_task_stack+0xa3/0x130 [ 175.061172][ C1] finish_task_switch+0x3f1/0x550 [ 175.066348][ C1] __schedule+0x9a8/0xcc0 [ 175.070690][ C1] ? ___preempt_schedule+0x16/0x18 [ 175.075801][ C1] preempt_schedule+0xdb/0x120 [ 175.080557][ C1] ___preempt_schedule+0x16/0x18 [ 175.085487][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 175.090864][ C1] prep_new_page+0x161/0x2e0 [ 175.095473][ C1] get_page_from_freelist+0x850/0xaa0 [ 175.100848][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 175.106221][ C1] alloc_pages_vma+0x94a/0xd50 [ 175.110981][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 175.116697][ C1] handle_mm_fault+0x2017/0x2890 [ 175.121660][ C1] do_user_addr_fault+0x589/0xaf0 [ 175.126682][ C1] __do_page_fault+0xd3/0x1f0 [ 175.131352][ C1] do_page_fault+0x99/0xb0 [ 175.135786][ C1] page_fault+0x39/0x40 [ 175.139933][ C1] RIP: 0010:__put_user_4+0x1c/0x30 [ 175.145047][ C1] Code: 1f 00 c3 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 c0 1d 02 00 48 8b 9b d0 14 00 00 48 83 eb 03 48 39 d9 73 4a 0f 1f 00 <89> 01 31 c0 0f 1f 00 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 [ 175.164723][ C1] RSP: 0018:ffffc90002ac7e68 EFLAGS: 00010293 [ 175.170787][ C1] RAX: 0000000000000003 RBX: 00007fffffffeffd RCX: 0000000020000280 [ 175.178753][ C1] RDX: dffffc0000000000 RSI: ffff88808cb108f8 RDI: 0000000000000286 [ 175.186730][ C1] RBP: ffffc90002ac7ed8 R08: dffffc0000000000 R09: fffffbfff12c962d [ 175.194694][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: 0000000000000003 [ 175.202655][ C1] R13: 0000000020000280 R14: 0000000000000004 R15: 0000000000000000 [ 175.210637][ C1] ? __sys_socketpair+0xbf/0xc90 [ 175.215583][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.221415][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.227137][ C1] __x64_sys_socketpair+0x9b/0xb0 [ 175.232164][ C1] do_syscall_64+0xf7/0x1c0 [ 175.236682][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.242583][ C1] RIP: 0033:0x45af49 [ 175.246499][ 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 [ 175.266106][ C1] RSP: 002b:00007f3f0e6f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 175.274516][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045af49 [ 175.282481][ C1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001 [ 175.290890][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.298864][ C1] R10: 0000000020000280 R11: 0000000000000246 R12: 00007f3f0e6f96d4 [ 175.306827][ C1] R13: 00000000004cbb07 R14: 00000000004e6468 R15: 00000000ffffffff