[ 44.661531][ T27] audit: type=1800 audit(1578468512.720:25): pid=8264 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.700473][ T27] audit: type=1800 audit(1578468512.720:26): pid=8264 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.738804][ T27] audit: type=1800 audit(1578468512.720:27): pid=8264 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.758314][ T27] audit: type=1800 audit(1578468512.720:28): pid=8264 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. 2020/01/08 07:28:44 fuzzer started 2020/01/08 07:28:46 dialing manager at 10.128.0.26:35703 2020/01/08 07:28:46 syscalls: 2824 2020/01/08 07:28:46 code coverage: enabled 2020/01/08 07:28:46 comparison tracing: enabled 2020/01/08 07:28:46 extra coverage: enabled 2020/01/08 07:28:46 setuid sandbox: enabled 2020/01/08 07:28:46 namespace sandbox: enabled 2020/01/08 07:28:46 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:28:46 fault injection: enabled 2020/01/08 07:28:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:28:46 net packet injection: enabled 2020/01/08 07:28:46 net device setup: enabled 2020/01/08 07:28:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:28:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:28:47 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000bc0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f00000000c0)={0x1, &(0x7f0000000000)=[{0x6}]}, 0x10) 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) sendmmsg(r0, &(0x7f0000003040), 0x4000000000001d4, 0x0) 07:28:47 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0xb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syzkaller login: [ 59.419332][ T8428] IPVS: ftp: loaded support on port[0] = 21 [ 59.498449][ T8430] IPVS: ftp: loaded support on port[0] = 21 07:28:47 executing program 2: kexec_load(0x0, 0x0, 0x0, 0x0) [ 59.625293][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 59.658689][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 59.696284][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.703981][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.711982][ T8428] device bridge_slave_0 entered promiscuous mode [ 59.735843][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.743252][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.751621][ T8428] device bridge_slave_1 entered promiscuous mode [ 59.765790][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.773093][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.781935][ T8430] device bridge_slave_0 entered promiscuous mode [ 59.801873][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.809010][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.817851][ T8430] device bridge_slave_1 entered promiscuous mode [ 59.826389][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.847984][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.858979][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.876078][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.906836][ T8434] IPVS: ftp: loaded support on port[0] = 21 [ 59.918009][ T8428] team0: Port device team_slave_0 added [ 59.929155][ T8430] team0: Port device team_slave_0 added 07:28:48 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x2) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000040)=0x7f, 0x4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmmsg(r0, &(0x7f00000000c0)=[{{&(0x7f0000000100)=@in6={0xa, 0x0, 0x0, @mcast2}, 0x80, 0x0}}], 0x1, 0x0) [ 59.953356][ T8430] team0: Port device team_slave_1 added [ 59.960141][ T8428] team0: Port device team_slave_1 added [ 60.033040][ T8430] device hsr_slave_0 entered promiscuous mode [ 60.070997][ T8430] device hsr_slave_1 entered promiscuous mode 07:28:48 executing program 4: mmap(&(0x7f0000000000/0x8b000)=nil, 0x8b000, 0x1000004, 0x10000032, 0xffffffffffffffff, 0x0) futex(&(0x7f0000001000), 0x8c, 0x1, 0x0, &(0x7f0000000000), 0x0) [ 60.165082][ T8436] IPVS: ftp: loaded support on port[0] = 21 [ 60.234740][ T8428] device hsr_slave_0 entered promiscuous mode [ 60.292628][ T8428] device hsr_slave_1 entered promiscuous mode [ 60.332347][ T8428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.340116][ T8428] Cannot create hsr debugfs directory [ 60.384152][ T8438] IPVS: ftp: loaded support on port[0] = 21 07:28:48 executing program 5: set_mempolicy(0x3, &(0x7f00000000c0)=0x9, 0xb) r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x0) ioctl$SCSI_IOCTL_SEND_COMMAND(r0, 0x1, &(0x7f0000000100)={0x1, 0x0, 0x0, 'q'}) [ 60.602412][ T8430] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.664560][ T8430] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.730245][ T8430] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.771910][ T8434] chnl_net:caif_netlink_parms(): no params data found [ 60.809352][ T8430] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.853473][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.865933][ T8441] IPVS: ftp: loaded support on port[0] = 21 [ 60.924679][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.982783][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.047359][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.114096][ T8434] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.122874][ T8434] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.131097][ T8434] device bridge_slave_0 entered promiscuous mode [ 61.138450][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 61.168424][ T8434] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.177176][ T8434] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.185545][ T8434] device bridge_slave_1 entered promiscuous mode [ 61.227286][ T8436] chnl_net:caif_netlink_parms(): no params data found [ 61.246725][ T8434] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.258839][ T8434] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.328016][ T8434] team0: Port device team_slave_0 added [ 61.339093][ T8434] team0: Port device team_slave_1 added [ 61.360142][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.368944][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.376823][ T8438] device bridge_slave_0 entered promiscuous mode [ 61.388421][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.395567][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.403531][ T8438] device bridge_slave_1 entered promiscuous mode [ 61.448572][ T8436] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.458815][ T8436] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.467065][ T8436] device bridge_slave_0 entered promiscuous mode [ 61.533091][ T8434] device hsr_slave_0 entered promiscuous mode [ 61.571166][ T8434] device hsr_slave_1 entered promiscuous mode [ 61.621302][ T8434] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.628917][ T8434] Cannot create hsr debugfs directory [ 61.647441][ T8436] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.654617][ T8436] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.662329][ T8436] device bridge_slave_1 entered promiscuous mode [ 61.690986][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 61.706837][ T8436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.719472][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.750874][ T8436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.763620][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.792023][ T8438] team0: Port device team_slave_0 added [ 61.818405][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.838841][ T8436] team0: Port device team_slave_0 added [ 61.845977][ T8438] team0: Port device team_slave_1 added [ 61.883561][ T8436] team0: Port device team_slave_1 added [ 61.905846][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.913550][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.922454][ T8441] device bridge_slave_0 entered promiscuous mode [ 61.930943][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.937990][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.945975][ T8441] device bridge_slave_1 entered promiscuous mode [ 62.013308][ T8438] device hsr_slave_0 entered promiscuous mode [ 62.050950][ T8438] device hsr_slave_1 entered promiscuous mode [ 62.093240][ T8438] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.106884][ T8438] Cannot create hsr debugfs directory [ 62.155178][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.170663][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.184441][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.193498][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.204551][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.211724][ T8434] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.255806][ T8434] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.353539][ T8436] device hsr_slave_0 entered promiscuous mode [ 62.390881][ T8436] device hsr_slave_1 entered promiscuous mode [ 62.430539][ T8436] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.438122][ T8436] Cannot create hsr debugfs directory [ 62.450001][ T8434] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.504151][ T8434] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.569373][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.579557][ T8441] team0: Port device team_slave_0 added [ 62.591929][ T8441] team0: Port device team_slave_1 added [ 62.611981][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.623440][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.632011][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.639230][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.648469][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.670158][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.683612][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.692299][ T3017] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.699337][ T3017] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.719310][ T8438] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.767979][ T8438] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.794527][ T8438] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.883231][ T8441] device hsr_slave_0 entered promiscuous mode [ 62.920815][ T8441] device hsr_slave_1 entered promiscuous mode [ 62.960690][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.968266][ T8441] Cannot create hsr debugfs directory [ 62.978744][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.987461][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.000002][ T8438] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.047060][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.058501][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.066939][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.074866][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.082756][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.100500][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.109062][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.119844][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.128168][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.138857][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.192783][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.202514][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.211155][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.219647][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.228331][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.235405][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.253725][ T8436] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.305782][ T8430] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.317663][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.325550][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.334438][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.343023][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.350054][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.365130][ T8436] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.402987][ T8436] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.446360][ T8436] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.515700][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.524779][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.540787][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.555269][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.563803][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.571534][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.579993][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.588281][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.596583][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.605989][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.649445][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.660249][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.670216][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.678726][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.705197][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.713537][ T8441] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.753453][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.764843][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.785796][ T8430] device veth0_vlan entered promiscuous mode [ 63.793410][ T8441] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.835957][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.843972][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.852835][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.862255][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.869841][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.884688][ T8430] device veth1_vlan entered promiscuous mode [ 63.895062][ T8441] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.959131][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.971436][ T8434] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.978818][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.988668][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.997321][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.005838][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.013991][ T8441] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.064941][ T8436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.089050][ T8436] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.104273][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.118587][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.126471][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.135139][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.143886][ T2887] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.150978][ T2887] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.158507][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.166565][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.176158][ T2887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.190605][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.199167][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.208305][ T3008] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.215410][ T3008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.223107][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.231215][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.238935][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.250136][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.266626][ T8434] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.311570][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.322002][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.336404][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.343499][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.357223][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.366812][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.375722][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.382830][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.391357][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.399928][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.408827][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.417778][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.426636][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.433739][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.350367][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.357227][ C1] rcu: 1-...!: (10499 ticks this GP) idle=2b2/1/0x4000000000000002 softirq=11550/11550 fqs=4 [ 169.367710][ C1] (t=10500 jiffies g=6521 q=63) [ 169.372654][ C1] rcu: rcu_preempt kthread starved for 10491 jiffies! g6521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.383739][ C1] rcu: RCU grace-period kthread stack dump: [ 169.389631][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.397520][ C1] Call Trace: [ 169.400805][ C1] __schedule+0x9a0/0xcc0 [ 169.405133][ C1] schedule+0x181/0x210 [ 169.409280][ C1] schedule_timeout+0x14f/0x240 [ 169.414118][ C1] ? run_local_timers+0x120/0x120 [ 169.419135][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.423897][ C1] kthread+0x332/0x350 [ 169.427950][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.433065][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.437644][ C1] ret_from_fork+0x24/0x30 [ 169.442059][ C1] NMI backtrace for cpu 1 [ 169.446389][ C1] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.454518][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.464657][ C1] Workqueue: 0x0 (gid-cache-wq) [ 169.469580][ C1] Call Trace: [ 169.472853][ C1] [ 169.475691][ C1] dump_stack+0x1fb/0x318 [ 169.480009][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.484931][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.491076][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.497153][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.503127][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.509031][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.514139][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.519329][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.524347][ C1] update_process_times+0x12d/0x180 [ 169.529535][ C1] tick_sched_timer+0x263/0x420 [ 169.534377][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.539913][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.545116][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.550053][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.555335][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.560871][ C1] apic_timer_interrupt+0xf/0x20 [ 169.565790][ C1] [ 169.568716][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 169.574425][ C1] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 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 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 169.594016][ C1] RSP: 0018:ffffc90000cdfc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.602425][ C1] RAX: 1ffff11011f1c151 RBX: ffff88808f8e0a88 RCX: ffff8880a99e41c0 [ 169.610382][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028b84c0 [ 169.618340][ C1] RBP: ffffc90000cdfc68 R08: dffffc0000000000 R09: fffffbfff124248a [ 169.626300][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808f8e0b20 [ 169.634258][ C1] R13: dffffc0000000000 R14: 1ffff11011f1c164 R15: ffff888092c87638 [ 169.642233][ C1] put_task_stack+0xa3/0x130 [ 169.646810][ C1] finish_task_switch+0x3f1/0x550 [ 169.651828][ C1] __schedule+0x9a8/0xcc0 [ 169.656155][ C1] schedule+0x181/0x210 [ 169.660299][ C1] worker_thread+0x10d6/0x1630 [ 169.665178][ C1] kthread+0x332/0x350 [ 169.669252][ C1] ? rcu_lock_release+0x30/0x30 [ 169.674102][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.678693][ C1] ret_from_fork+0x24/0x30