[ 49.937697][ T26] audit: type=1800 audit(1578479157.385:25): pid=8458 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.957040][ T26] audit: type=1800 audit(1578479157.385:26): pid=8458 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.982917][ T26] audit: type=1800 audit(1578479157.385:27): pid=8458 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. [ 50.643365][ T8525] sshd (8525) used greatest stack depth: 23368 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. 2020/01/08 10:26:07 fuzzer started 2020/01/08 10:26:09 dialing manager at 10.128.0.26:35703 2020/01/08 10:26:09 syscalls: 2824 2020/01/08 10:26:09 code coverage: enabled 2020/01/08 10:26:09 comparison tracing: enabled 2020/01/08 10:26:09 extra coverage: enabled 2020/01/08 10:26:09 setuid sandbox: enabled 2020/01/08 10:26:09 namespace sandbox: enabled 2020/01/08 10:26:09 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:26:09 fault injection: enabled 2020/01/08 10:26:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:26:09 net packet injection: enabled 2020/01/08 10:26:09 net device setup: enabled 2020/01/08 10:26:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:26:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:26:11 executing program 0: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0x8}, 0x10) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c00000016000b0700000000000000000a000000", @ANYRES32=0x0, @ANYBLOB="0400010000000000000000000000ffff00000000"], 0x2c}}, 0x0) 10:26:11 executing program 1: r0 = socket$kcm(0x2, 0x2, 0x73) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) r1 = socket$kcm(0x2, 0x2, 0x73) bind$inet(r1, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) syzkaller login: [ 63.824069][ T8625] IPVS: ftp: loaded support on port[0] = 21 10:26:11 executing program 2: r0 = syz_open_dev$sndseq(&(0x7f0000000100)='/dev/snd/seq\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f00000001c0)={{0x80}, 'port0\x00', 0xc7, 0x10816}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x2000000084003, 0x0) [ 63.986930][ T8625] chnl_net:caif_netlink_parms(): no params data found [ 64.029996][ T8628] IPVS: ftp: loaded support on port[0] = 21 [ 64.127972][ T8630] IPVS: ftp: loaded support on port[0] = 21 [ 64.144867][ T8625] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.151962][ T8625] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.161350][ T8625] device bridge_slave_0 entered promiscuous mode [ 64.185697][ T8625] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.193471][ T8625] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.201403][ T8625] device bridge_slave_1 entered promiscuous mode [ 64.248172][ T8625] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.273375][ T8625] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:26:11 executing program 3: ioctl$TUNGETVNETHDRSZ(0xffffffffffffffff, 0x800454d7, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket(0x1e, 0x805, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, 0x0, 0x0) setsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x11, &(0x7f0000000100)=@assoc_value, 0x8) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x10, 0xffffffffffffffff, 0x0) [ 64.336686][ T8625] team0: Port device team_slave_0 added [ 64.344809][ T8628] chnl_net:caif_netlink_parms(): no params data found [ 64.364401][ T8625] team0: Port device team_slave_1 added [ 64.456594][ T8630] chnl_net:caif_netlink_parms(): no params data found [ 64.515945][ T8625] device hsr_slave_0 entered promiscuous mode [ 64.543984][ T8625] device hsr_slave_1 entered promiscuous mode 10:26:12 executing program 4: r0 = socket$inet_smc(0x2b, 0x1, 0x0) sendto$inet(r0, 0x0, 0x0, 0x20004050, &(0x7f0000000000)={0x2, 0x0, @local}, 0x1) [ 64.648596][ T8634] IPVS: ftp: loaded support on port[0] = 21 [ 64.723101][ T8630] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.730553][ T8630] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.753402][ T8630] device bridge_slave_0 entered promiscuous mode [ 64.764939][ T8628] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.772034][ T8628] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.786142][ T8628] device bridge_slave_0 entered promiscuous mode [ 64.804879][ T8630] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.812103][ T8630] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.834017][ T8630] device bridge_slave_1 entered promiscuous mode [ 64.853311][ T8628] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.860409][ T8628] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.871083][ T8636] IPVS: ftp: loaded support on port[0] = 21 [ 64.885521][ T8628] device bridge_slave_1 entered promiscuous mode [ 64.954353][ T8630] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.979760][ T8628] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 10:26:12 executing program 5: 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_read_part_table(0x0, 0x1bf, &(0x7f0000000080)=[{&(0x7f0000000000)="0201fdffffff01000000ff070000000000000f0008000000000000000040000000006300000000000000887700720030b5829237c300000000000080000055aa", 0x40, 0x1c0}]) [ 64.996098][ T8628] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.020026][ T8630] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.120482][ T8628] team0: Port device team_slave_0 added [ 65.133031][ T8628] team0: Port device team_slave_1 added [ 65.140311][ T8630] team0: Port device team_slave_0 added [ 65.152420][ T8625] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.218846][ T8625] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.296899][ T8630] team0: Port device team_slave_1 added [ 65.319190][ T8638] IPVS: ftp: loaded support on port[0] = 21 [ 65.343172][ T8625] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.396822][ T8625] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.461427][ T8634] chnl_net:caif_netlink_parms(): no params data found [ 65.504673][ T8628] device hsr_slave_0 entered promiscuous mode [ 65.543048][ T8628] device hsr_slave_1 entered promiscuous mode [ 65.592892][ T8628] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.600683][ T8628] Cannot create hsr debugfs directory [ 65.715899][ T8630] device hsr_slave_0 entered promiscuous mode [ 65.753107][ T8630] device hsr_slave_1 entered promiscuous mode [ 65.793090][ T8630] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.800888][ T8630] Cannot create hsr debugfs directory [ 65.885048][ T8634] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.892125][ T8634] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.900226][ T8634] device bridge_slave_0 entered promiscuous mode [ 65.909684][ T8634] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.917193][ T8634] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.925183][ T8634] device bridge_slave_1 entered promiscuous mode [ 65.940378][ T8636] chnl_net:caif_netlink_parms(): no params data found [ 66.005397][ T8634] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.019184][ T8628] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.089179][ T8634] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.102264][ T8628] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.144642][ T8628] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.186934][ T8628] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.261125][ T8634] team0: Port device team_slave_0 added [ 66.275738][ T8636] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.283255][ T8636] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.291316][ T8636] device bridge_slave_0 entered promiscuous mode [ 66.300590][ T8634] team0: Port device team_slave_1 added [ 66.336989][ T8636] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.344528][ T8636] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.352129][ T8636] device bridge_slave_1 entered promiscuous mode [ 66.391026][ T8636] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.402235][ T8636] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.423828][ T8630] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.455188][ T8630] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.502037][ T8638] chnl_net:caif_netlink_parms(): no params data found [ 66.519466][ T8636] team0: Port device team_slave_0 added [ 66.527859][ T8636] team0: Port device team_slave_1 added [ 66.535169][ T8630] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.623126][ T8630] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.715439][ T8634] device hsr_slave_0 entered promiscuous mode [ 66.763031][ T8634] device hsr_slave_1 entered promiscuous mode [ 66.812802][ T8634] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.820414][ T8634] Cannot create hsr debugfs directory [ 66.826219][ T8638] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.834070][ T8638] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.841643][ T8638] device bridge_slave_0 entered promiscuous mode [ 66.904564][ T8636] device hsr_slave_0 entered promiscuous mode [ 66.953176][ T8636] device hsr_slave_1 entered promiscuous mode [ 66.992862][ T8636] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.000522][ T8636] Cannot create hsr debugfs directory [ 67.013967][ T8625] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.028057][ T8638] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.035650][ T8638] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.044099][ T8638] device bridge_slave_1 entered promiscuous mode [ 67.095530][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.104063][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.117016][ T8638] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.150407][ T8625] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.158680][ T8638] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.215979][ T8638] team0: Port device team_slave_0 added [ 67.223117][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.233871][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.242248][ T2860] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.249423][ T2860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.257485][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.266248][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.275178][ T2860] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.282220][ T2860] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.296005][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.320030][ T8638] team0: Port device team_slave_1 added [ 67.355219][ T8630] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.365852][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.377105][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.386028][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.397566][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.406366][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.452224][ T8630] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.463927][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.472538][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.481589][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.489616][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.503794][ T8636] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.554214][ T8634] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.606966][ T8628] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.665454][ T8638] device hsr_slave_0 entered promiscuous mode [ 67.703095][ T8638] device hsr_slave_1 entered promiscuous mode [ 67.742858][ T8638] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.750485][ T8638] Cannot create hsr debugfs directory [ 67.767512][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.776294][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.784794][ T2870] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.791922][ T2870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.800833][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.808820][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.817485][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.826468][ T8636] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.875303][ T8634] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.947357][ T8634] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.994591][ T8636] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.044576][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.052309][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.065615][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.075331][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.084064][ T2853] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.091504][ T2853] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.103907][ T8628] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.111613][ T8625] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.125148][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.135778][ T8634] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.174174][ T8636] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.212864][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.221093][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.229576][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.281812][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.291682][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.300814][ T2844] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.308003][ T2844] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.316185][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.324890][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.333630][ T2844] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.340676][ T2844] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.348487][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.357566][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.366491][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.375002][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.384104][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.392519][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.401224][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.409918][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.418550][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.426830][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.436026][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.444603][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.453352][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.462159][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.470256][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.478614][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.513881][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.522449][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.531677][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.540799][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.568212][ T8630] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.579856][ T8630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.601574][ T8625] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.612163][ T8628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.631988][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.641978][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.650360][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.658444][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.711609][ T8638] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.749025][ T8628] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.766243][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.777286][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.786295][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.797697][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.805716][ T8638] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.857315][ T8630] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.874853][ T8634] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.883600][ T8638] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.929412][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.938904][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.948280][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.958319][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.967292][ T8638] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.052336][ T8634] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.064385][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.077254][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.087203][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.096225][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.104882][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.113367][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.121908][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.130979][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.139249][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.148432][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.157251][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.166864][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.180149][ T8625] device veth0_vlan entered promiscuous mode [ 69.205974][ T8628] device veth0_vlan entered promiscuous mode [ 69.217624][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.226823][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.236416][ T2671] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.243864][ T2671] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.252156][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.261599][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.270596][ T2671] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.278209][ T2671] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.287071][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.295859][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.305371][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.327163][ T8628] device veth1_vlan entered promiscuous mode [ 69.342373][ T8636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.355771][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.365949][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.375833][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.384590][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.394862][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.409951][ T8625] device veth1_vlan entered promiscuous mode [ 69.439559][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.448231][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.457162][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.466510][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.475770][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.484938][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.503745][ T8630] device veth0_vlan entered promiscuous mode [ 69.528285][ T8634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.543544][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.551766][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.568048][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.576445][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.586706][ T8630] device veth1_vlan entered promiscuous mode [ 69.603152][ T8636] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.634149][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.649724][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.658228][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.674322][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.688771][ T2848] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.696302][ T2848] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.775394][ T8634] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 174.672624][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.679563][ C1] rcu: 1-...!: (10499 ticks this GP) idle=e3a/1/0x4000000000000002 softirq=11375/11376 fqs=7 [ 174.690075][ C1] (t=10501 jiffies g=7429 q=331) [ 174.695116][ C1] rcu: rcu_preempt kthread starved for 10487 jiffies! g7429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.706345][ C1] rcu: RCU grace-period kthread stack dump: [ 174.712269][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.720199][ C1] Call Trace: [ 174.723510][ C1] __schedule+0x9a0/0xcc0 [ 174.727855][ C1] schedule+0x181/0x210 [ 174.732013][ C1] schedule_timeout+0x14f/0x240 [ 174.736859][ C1] ? run_local_timers+0x120/0x120 [ 174.741892][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.746656][ C1] kthread+0x332/0x350 [ 174.750713][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.755822][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.760406][ C1] ret_from_fork+0x24/0x30 [ 174.764914][ C1] NMI backtrace for cpu 1 [ 174.769259][ C1] CPU: 1 PID: 8642 Comm: blkid Not tainted 5.5.0-rc5-syzkaller #0 [ 174.777061][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.787260][ C1] Call Trace: [ 174.790540][ C1] [ 174.793408][ C1] dump_stack+0x1fb/0x318 [ 174.797833][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.802693][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.808840][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.814901][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.820873][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.826756][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.831978][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.837170][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.842212][ C1] update_process_times+0x12d/0x180 [ 174.847405][ C1] tick_sched_timer+0x263/0x420 [ 174.852248][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.857785][ C1] __hrtimer_run_queues+0x403/0x840 [ 174.862991][ C1] hrtimer_interrupt+0x38c/0xda0 [ 174.867956][ C1] ? debug_smp_processor_id+0x9/0x20 [ 174.873238][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 174.878890][ C1] apic_timer_interrupt+0xf/0x20 [ 174.883979][ C1] [ 174.887064][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 174.892910][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 174.912518][ C1] RSP: 0018:ffffc900027478c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.920928][ C1] RAX: 1ffff11012dfdf01 RBX: ffff888096fef808 RCX: 0000000000000000 [ 174.929113][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002670280 [ 174.937283][ C1] RBP: ffffc90002747900 R08: dffffc0000000000 R09: fffffbfff12c962d [ 174.945452][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff888096fef8a0 [ 174.953447][ C1] R13: dffffc0000000000 R14: 1ffff11012dfdf14 R15: ffff888092c119f8 [ 174.961438][ C1] ? free_thread_stack+0x12e/0x590 [ 174.966573][ C1] put_task_stack+0xa3/0x130 [ 174.971180][ C1] finish_task_switch+0x3f1/0x550 [ 174.976312][ C1] __schedule+0x9a8/0xcc0 [ 174.980661][ C1] preempt_schedule_irq+0xc1/0x140 [ 174.985768][ C1] retint_kernel+0x1b/0x2b [ 174.990189][ C1] RIP: 0010:check_memory_region+0xd/0x2e0 [ 174.996180][ C1] Code: 96 e5 88 4c 89 fe 31 c0 e8 63 9a ac ff eb cf cc cc cc cc cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 01 48 85 f6 0f 84 fd 01 00 00 48 89 fb 48 c1 eb 2f 48 81 fb fe [ 175.016272][ C1] RSP: 0018:ffffc90002747b18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.024682][ C1] RAX: 1ffffffff12552ad RBX: ffff8880a173d5c0 RCX: ffffffff8801e63b [ 175.032649][ C1] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8880a173d5c0 [ 175.040610][ C1] RBP: ffffc90002747b40 R08: dffffc0000000000 R09: fffffbfff140cf2e [ 175.048575][ C1] R10: fffffbfff140cf2e R11: 0000000000000000 R12: 1ffff920004e8f6c [ 175.056556][ C1] R13: 00000000000000a0 R14: ffffc90002747b60 R15: dffffc0000000000 [ 175.064544][ C1] ? down_write+0x8b/0x140 [ 175.068994][ C1] __kasan_check_write+0x14/0x20 [ 175.073949][ C1] down_write+0x8b/0x140 [ 175.078225][ C1] __vma_adjust+0x6f0/0x2390 [ 175.082863][ C1] __split_vma+0x356/0x490 [ 175.087295][ C1] split_vma+0x7a/0xd0 [ 175.091375][ C1] mprotect_fixup+0x6ef/0x790 [ 175.096690][ C1] ? security_file_mprotect+0xa8/0xd0 [ 175.102096][ C1] do_mprotect_pkey+0x6c2/0x8d0 [ 175.106977][ C1] __x64_sys_mprotect+0x80/0x90 [ 175.112032][ C1] do_syscall_64+0xf7/0x1c0 [ 175.116541][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.122424][ C1] RIP: 0033:0x7f440d40b447 [ 175.126847][ C1] Code: 73 01 c3 48 8d 0d 5d ad 20 00 31 d2 48 29 c2 89 11 48 83 c8 ff eb eb 90 90 90 90 90 90 90 90 90 90 90 90 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 2d ad 20 00 31 d2 48 29 c2 89 [ 175.146462][ C1] RSP: 002b:00007ffdbfb0cbf8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 175.154892][ C1] RAX: ffffffffffffffda RBX: 00007f440d60d000 RCX: 00007f440d40b447 [ 175.162993][ C1] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f440ce3f000 [ 175.171081][ C1] RBP: 00007ffdbfb0ccf0 R08: 0000000000000001 R09: 0000000000000010 [ 175.179065][ C1] R10: 00007f440cc3d5d0 R11: 0000000000000206 R12: 00007f440cc3c000 [ 175.187049][ C1] R13: 00007f440ce40180 R14: 00007f440cc3d5d0 R15: 00007f440ce3ffe0