[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.615645][ T26] audit: type=1800 audit(1572461695.179:25): pid=8788 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.645333][ T26] audit: type=1800 audit(1572461695.179:26): pid=8788 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 64.674333][ T26] audit: type=1800 audit(1572461695.179:27): pid=8788 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.1.29' (ECDSA) to the list of known hosts. 2019/10/30 18:55:06 parsed 1 programs 2019/10/30 18:55:09 executed programs: 0 syzkaller login: [ 79.005045][ T8962] IPVS: ftp: loaded support on port[0] = 21 [ 79.036001][ T8965] IPVS: ftp: loaded support on port[0] = 21 [ 79.064524][ T8970] IPVS: ftp: loaded support on port[0] = 21 [ 79.066264][ T8969] IPVS: ftp: loaded support on port[0] = 21 [ 79.085588][ T8967] IPVS: ftp: loaded support on port[0] = 21 [ 79.097098][ T8961] IPVS: ftp: loaded support on port[0] = 21 [ 79.287639][ T8962] chnl_net:caif_netlink_parms(): no params data found [ 79.364220][ T8962] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.373989][ T8962] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.383467][ T8962] device bridge_slave_0 entered promiscuous mode [ 79.444359][ T8962] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.454167][ T8962] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.464408][ T8962] device bridge_slave_1 entered promiscuous mode [ 79.491354][ T8961] chnl_net:caif_netlink_parms(): no params data found [ 79.528037][ T8962] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.607546][ T8962] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.618523][ T8967] chnl_net:caif_netlink_parms(): no params data found [ 79.634439][ T8965] chnl_net:caif_netlink_parms(): no params data found [ 79.717973][ T8961] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.726867][ T8961] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.737136][ T8961] device bridge_slave_0 entered promiscuous mode [ 79.749254][ T8961] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.758213][ T8961] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.770046][ T8961] device bridge_slave_1 entered promiscuous mode [ 79.785017][ T8962] team0: Port device team_slave_0 added [ 79.795789][ T8962] team0: Port device team_slave_1 added [ 79.834717][ T8970] chnl_net:caif_netlink_parms(): no params data found [ 79.864924][ T8965] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.872745][ T8965] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.881949][ T8965] device bridge_slave_0 entered promiscuous mode [ 79.917292][ T8967] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.925514][ T8967] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.936285][ T8967] device bridge_slave_0 entered promiscuous mode [ 79.945426][ T8965] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.955955][ T8965] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.965252][ T8965] device bridge_slave_1 entered promiscuous mode [ 79.978411][ T8961] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.015589][ T8967] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.028354][ T8967] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.040393][ T8967] device bridge_slave_1 entered promiscuous mode [ 80.063554][ T8969] chnl_net:caif_netlink_parms(): no params data found [ 80.077698][ T8961] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.162597][ T8962] device hsr_slave_0 entered promiscuous mode [ 80.230297][ T8962] device hsr_slave_1 entered promiscuous mode [ 80.321552][ T8967] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.356723][ T8965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.368290][ T8967] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.396128][ T8961] team0: Port device team_slave_0 added [ 80.403893][ T8965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.420820][ T8970] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.427929][ T8970] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.436613][ T8970] device bridge_slave_0 entered promiscuous mode [ 80.458830][ T8961] team0: Port device team_slave_1 added [ 80.473696][ T8965] team0: Port device team_slave_0 added [ 80.480100][ T8970] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.487623][ T8970] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.496084][ T8970] device bridge_slave_1 entered promiscuous mode [ 80.533710][ T8965] team0: Port device team_slave_1 added [ 80.547241][ T8967] team0: Port device team_slave_0 added [ 80.633110][ T8961] device hsr_slave_0 entered promiscuous mode [ 80.680129][ T8961] device hsr_slave_1 entered promiscuous mode [ 80.719895][ T8961] debugfs: Directory 'hsr0' with parent '/' already present! [ 80.730303][ T8970] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.746515][ T8970] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.756508][ T8967] team0: Port device team_slave_1 added [ 80.789364][ T8969] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.800078][ T8969] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.808480][ T8969] device bridge_slave_0 entered promiscuous mode [ 80.838843][ T8970] team0: Port device team_slave_0 added [ 80.893107][ T8965] device hsr_slave_0 entered promiscuous mode [ 80.940097][ T8965] device hsr_slave_1 entered promiscuous mode [ 80.993171][ T8965] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.001105][ T8969] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.008214][ T8969] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.016381][ T8969] device bridge_slave_1 entered promiscuous mode [ 81.048515][ T8970] team0: Port device team_slave_1 added [ 81.123663][ T8967] device hsr_slave_0 entered promiscuous mode [ 81.180224][ T8967] device hsr_slave_1 entered promiscuous mode [ 81.229834][ T8967] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.240704][ T8969] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.253021][ T8969] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.331892][ T8970] device hsr_slave_0 entered promiscuous mode [ 81.370087][ T8970] device hsr_slave_1 entered promiscuous mode [ 81.419808][ T8970] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.489234][ T8969] team0: Port device team_slave_0 added [ 81.512537][ T8969] team0: Port device team_slave_1 added [ 81.643039][ T8969] device hsr_slave_0 entered promiscuous mode [ 81.680239][ T8969] device hsr_slave_1 entered promiscuous mode [ 81.719813][ T8969] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.863569][ T8962] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.904054][ T8961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.937798][ T8962] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.955184][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.968012][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.976503][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.986031][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.995613][ T8978] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.002877][ T8978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.012077][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.023917][ T8965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.037479][ T8970] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.060088][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.069404][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.084721][ T8978] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.091979][ T8978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.100749][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.128925][ T8961] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.154438][ T8969] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.168050][ T8967] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.175968][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.189841][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.199240][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.209461][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.219250][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.234910][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.247540][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.260516][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.269469][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.278383][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.294386][ T8965] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.312349][ T8970] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.336159][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.344968][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.352901][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.362943][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.373562][ T2849] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.382878][ T2849] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.393176][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.403746][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.414330][ T2849] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.424432][ T2849] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.432278][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.441144][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.454168][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.464924][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.488402][ T8969] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.500565][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.509828][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.520625][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.531698][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.540807][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.550716][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.564223][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.576071][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.586856][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.596850][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.610561][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.624078][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.635688][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.643969][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.652337][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.664738][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.676564][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.689668][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.699858][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.711362][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.721157][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.732805][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.742512][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.763481][ T8967] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.778847][ T8962] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.799180][ T8962] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.814821][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.831314][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.843707][ T8978] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.855533][ T8978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.865041][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.879125][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.893672][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.906034][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.959485][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.972383][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.993586][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.009539][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.022986][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.035144][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.048405][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.063031][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.078023][ T8978] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.087841][ T8978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.099856][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.114421][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.126253][ T8978] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.136583][ T8978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.148066][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.157878][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.169930][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.180873][ T8978] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.190608][ T8978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.198705][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.207950][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.217160][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.227379][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.237316][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.248363][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.258121][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.266870][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.286991][ T8965] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.300009][ T8965] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.324762][ T8970] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.336661][ T8970] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.358771][ T8961] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.371140][ T8961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.388415][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.398591][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.407779][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.418394][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.427403][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.438290][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.448421][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.458332][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.467029][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.476781][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.485550][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.494071][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.503064][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.512738][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.522761][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.532582][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.541469][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.550827][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.560850][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.570567][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.581952][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.594776][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.604567][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.614423][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.626412][ T8978] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.640396][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.649460][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.662211][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.672824][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.707423][ T8967] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.719979][ T8967] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.733819][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.742672][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.752803][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.762223][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.772781][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.782605][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.791391][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.801005][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.815047][ T8962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.840658][ T8970] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.878832][ T8965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.908717][ T8967] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.936825][ T8961] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.961109][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.000418][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.027071][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.038342][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.051007][ T8969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.116668][ T8969] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/10/30 18:55:14 executed programs: 6 2019/10/30 18:55:19 executed programs: 203 2019/10/30 18:55:24 executed programs: 391 2019/10/30 18:55:29 executed programs: 589 2019/10/30 18:55:34 executed programs: 784 2019/10/30 18:55:39 executed programs: 980 2019/10/30 18:55:45 executed programs: 1176 2019/10/30 18:55:50 executed programs: 1369 2019/10/30 18:55:55 executed programs: 1554 2019/10/30 18:56:00 executed programs: 1739 2019/10/30 18:56:05 executed programs: 1916 2019/10/30 18:56:10 executed programs: 2090 2019/10/30 18:56:15 executed programs: 2265 2019/10/30 18:56:20 executed programs: 2434 2019/10/30 18:56:25 executed programs: 2602 2019/10/30 18:56:30 executed programs: 2779 2019/10/30 18:56:35 executed programs: 2953 2019/10/30 18:56:40 executed programs: 3123 2019/10/30 18:56:45 executed programs: 3288 2019/10/30 18:56:50 executed programs: 3452 2019/10/30 18:56:55 executed programs: 3614 2019/10/30 18:57:00 executed programs: 3777 2019/10/30 18:57:05 executed programs: 3930 2019/10/30 18:57:10 executed programs: 4089 2019/10/30 18:57:15 executed programs: 4241 2019/10/30 18:57:20 executed programs: 4390 2019/10/30 18:57:25 executed programs: 4535 2019/10/30 18:57:30 executed programs: 4684 2019/10/30 18:57:35 executed programs: 4837 2019/10/30 18:57:40 executed programs: 4988 2019/10/30 18:57:45 executed programs: 5137 2019/10/30 18:57:50 executed programs: 5285 [ 243.989878][ T1076] INFO: task khugepaged:1083 blocked for more than 143 seconds. [ 243.998320][ T1076] Not tainted 5.4.0-rc5-next-20191030 #0 [ 244.030616][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 244.038017][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 244.078550][ T1076] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 244.119674][ T1076] khugepaged D27840 1083 2 0x80004000 [ 244.126130][ T1076] Call Trace: [ 244.129486][ T1076] __schedule+0x94a/0x1e70 [ 244.135681][ T3919] kobject: 'loop4' (0000000003d7c5ac): kobject_uevent_env [ 244.195499][ T3919] kobject: 'loop4' (0000000003d7c5ac): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 244.218874][ T1076] ? __sched_text_start+0x8/0x8 [ 244.240483][ T1076] ? blk_insert_cloned_request+0x530/0x530 [ 244.248308][ T3919] kobject: 'loop0' (0000000020cb6749): kobject_uevent_env [ 244.281219][ T1076] ? _raw_spin_unlock_irq+0x23/0x80 [ 244.286573][ T1076] ? __lock_page+0x3d9/0xab0 [ 244.295597][ T3919] kobject: 'loop0' (0000000020cb6749): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 244.315664][ T1076] ? _raw_spin_unlock_irq+0x23/0x80 [ 244.327089][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 244.351155][ T1076] schedule+0xdc/0x2b0 [ 244.355296][ T1076] io_schedule+0x1c/0x70 [ 244.359592][ T1076] __lock_page+0x422/0xab0 [ 244.378797][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 244.397397][ T1076] ? wait_on_page_bit+0xa60/0xa60 [ 244.437338][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 244.440802][ T1076] ? page_cache_next_miss+0x340/0x340 [ 244.478880][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 244.488789][ T1076] ? ___might_sleep+0x163/0x2c0 [ 244.506270][ T1076] ? __might_sleep+0x95/0x190 [ 244.524384][ T1076] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 244.537734][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 244.568503][ T1076] ? mpage_process_page_bufs+0x780/0x780 [ 244.587487][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 244.592691][ T1076] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 244.641638][ T3919] kobject: 'loop0' (0000000020cb6749): kobject_uevent_env [ 244.643951][ T1076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.648917][ T3919] kobject: 'loop0' (0000000020cb6749): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 244.710435][ T1076] ext4_writepages+0xb6a/0x2e70 [ 244.722146][ T1076] ? get_page_from_freelist+0x21fb/0x4330 [ 244.751453][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 244.754586][ T1076] ? find_held_lock+0x35/0x130 [ 244.766822][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 244.791731][ T1076] ? get_page_from_freelist+0x21fb/0x4330 [ 244.816112][ T1076] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 244.820793][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 244.849665][ T1076] ? 0xffffffff81000000 [ 244.853009][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 244.854333][ T1076] ? mark_lock+0xc2/0x1220 [ 244.907083][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 244.939734][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 244.962861][ T1076] ? prep_new_page+0x19f/0x200 [ 244.967901][ T1076] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 244.981780][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 244.989094][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 245.004375][ T1076] ? find_held_lock+0x35/0x130 [ 245.036244][ T1076] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 245.066339][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 245.071271][ T1076] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 245.086518][ T1076] do_writepages+0xfa/0x2a0 [ 245.102225][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 245.117489][ T1076] ? do_writepages+0xfa/0x2a0 2019/10/30 18:57:55 executed programs: 5455 [ 245.138364][ T1076] ? lock_downgrade+0x920/0x920 [ 245.149042][ T3919] kobject: 'loop0' (0000000020cb6749): kobject_uevent_env [ 245.158292][ T1076] ? page_writeback_cpu_online+0x20/0x20 [ 245.196821][ T3919] kobject: 'loop0' (0000000020cb6749): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 245.198469][ T1076] ? __kasan_check_read+0x11/0x20 [ 245.245826][ T1076] ? do_raw_spin_unlock+0x57/0x270 [ 245.262960][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 245.279142][ T1076] ? _raw_spin_unlock+0x28/0x40 [ 245.296000][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 245.306893][ T1076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.338748][ T1076] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 245.351849][ T3919] kobject: 'loop0' (0000000020cb6749): kobject_uevent_env [ 245.359050][ T3919] kobject: 'loop0' (0000000020cb6749): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 245.382196][ T1076] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 245.406485][ T1076] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 245.429706][ T1076] ? lockdep_hardirqs_on+0x421/0x5e0 [ 245.435058][ T1076] filemap_flush+0x24/0x30 [ 245.439487][ T1076] collapse_file+0x36b1/0x41a0 [ 245.445817][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 245.482522][ T1076] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 245.489261][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 245.518815][ T1076] ? khugepaged+0x2230/0x4360 [ 245.529172][ T1076] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 245.545471][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 245.575125][ T1076] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.593058][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 245.616292][ T1076] ? khugepaged_find_target_node+0x142/0x180 [ 245.647832][ T1076] khugepaged+0x2da9/0x4360 [ 245.654170][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 245.670966][ T1076] ? __kasan_check_read+0x11/0x20 [ 245.676051][ T1076] ? __lock_acquire+0x16f2/0x4a00 [ 245.689717][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 245.720840][ T1076] ? _raw_spin_unlock_irq+0x23/0x80 [ 245.726287][ T1076] ? finish_task_switch+0x147/0x750 [ 245.743450][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 245.774335][ T1076] ? _raw_spin_unlock_irq+0x23/0x80 [ 245.802582][ T1076] ? lockdep_hardirqs_on+0x421/0x5e0 [ 245.808435][ T1076] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 245.817876][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 245.842452][ T1076] ? lock_downgrade+0x920/0x920 [ 245.857321][ T3919] kobject: 'loop0' (0000000020cb6749): kobject_uevent_env [ 245.868513][ T1076] ? finish_wait+0x260/0x260 [ 245.886502][ T1076] ? lockdep_hardirqs_on+0x421/0x5e0 [ 245.910092][ T3919] kobject: 'loop0' (0000000020cb6749): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 245.941893][ T1076] ? trace_hardirqs_on+0x67/0x240 [ 245.947083][ T1076] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.966284][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 245.984624][ T1076] ? __kthread_parkme+0x108/0x1c0 [ 245.999220][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 246.013007][ T1076] ? __kasan_check_read+0x11/0x20 [ 246.028355][ T1076] kthread+0x361/0x430 [ 246.042958][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 246.055190][ T1076] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 246.071023][ T1076] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 246.078102][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 246.111954][ T1076] ret_from_fork+0x24/0x30 [ 246.119565][ T1076] [ 246.119565][ T1076] Showing all locks held in the system: [ 246.200133][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 246.207709][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 246.233508][ T1076] 1 lock held by khungtaskd/1076: [ 246.238607][ T1076] #0: ffffffff88faba40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 246.301900][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 246.309108][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 246.327691][ T1076] 1 lock held by khugepaged/1083: [ 246.339524][ T1076] #0: ffff88809b132990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 246.366557][ T1076] 4 locks held by kworker/u4:4/2181: [ 246.386433][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 246.400093][ T1076] #0: ffff8880a6964928 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 246.427296][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 246.442941][ T1076] #1: ffff8880a4017dc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 246.481625][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 246.488845][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 246.511612][ T1076] #2: ffff88809b1300d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 246.562219][ T3919] kobject: 'loop4' (0000000003d7c5ac): kobject_uevent_env [ 246.570181][ T1076] #3: ffff88809b132990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 246.588059][ T3919] kobject: 'loop4' (0000000003d7c5ac): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 246.619417][ T1076] 3 locks held by udevd/3919: [ 246.639904][ T1076] 1 lock held by rsyslogd/8826: [ 246.654369][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 246.658052][ T1076] #0: ffff88809934ada0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 246.681691][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 246.696658][ T1076] 2 locks held by getty/8916: [ 246.697808][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 246.729659][ T1076] #0: ffff88809b20c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 246.738675][ T1076] #1: ffffc90005f332e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 246.739724][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 246.809809][ T1076] 2 locks held by getty/8917: [ 246.814531][ T1076] #0: ffff88809647c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 246.838950][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 246.859833][ T1076] #1: ffffc90005f3b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 246.889497][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 246.908335][ T1076] 2 locks held by getty/8918: [ 246.934179][ T1076] #0: ffff88808c023090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 246.948362][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 246.967612][ T1076] #1: ffffc90005f372e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 246.980292][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 247.007313][ T1076] 2 locks held by getty/8919: [ 247.022749][ T3919] kobject: 'loop4' (0000000003d7c5ac): kobject_uevent_env [ 247.035698][ T1076] #0: ffff888094a83090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 247.069716][ T3919] kobject: 'loop4' (0000000003d7c5ac): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 247.091874][ T1076] #1: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 247.112754][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 247.139753][ T1076] 2 locks held by getty/8920: [ 247.144485][ T1076] #0: ffff8880970aa090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 247.159687][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 247.182932][ T1076] #1: ffffc90005f3f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 247.202442][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 247.218793][ T1076] 2 locks held by getty/8921: [ 247.223934][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 247.239695][ T1076] #0: ffff8880a6855090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 247.256448][ T3919] kobject: 'loop4' (0000000003d7c5ac): kobject_uevent_env [ 247.265361][ T1076] #1: ffffc90005f432e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 247.281507][ T3919] kobject: 'loop4' (0000000003d7c5ac): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 247.300029][ T1076] 2 locks held by getty/8922: [ 247.304745][ T1076] #0: ffff8880a8d33090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 247.353292][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 247.369687][ T1076] #1: ffffc90005f112e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 247.390404][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 247.419150][ T1076] 1 lock held by syz-executor.3/30239: [ 247.440860][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 247.448063][ T3919] kobject: 'loop1' (00000000d6f727d5): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 247.462992][ T1076] #0: ffff8880ae834d58 (&rq->lock){-.-.}, at: __schedule+0x266/0x1e70 [ 247.498177][ T1076] [ 247.500939][ T1076] ============================================= [ 247.500939][ T1076] [ 247.526784][ T1076] NMI backtrace for cpu 0 [ 247.531234][ T1076] CPU: 0 PID: 1076 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191030 #0 [ 247.539826][ T1076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.549884][ T1076] Call Trace: [ 247.553249][ T1076] dump_stack+0x172/0x1f0 [ 247.557593][ T1076] nmi_cpu_backtrace.cold+0x70/0xb2 [ 247.562799][ T1076] ? vprintk_func+0x86/0x189 [ 247.567399][ T1076] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 247.573036][ T1076] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 247.579023][ T1076] arch_trigger_cpumask_backtrace+0x14/0x20 [ 247.584923][ T1076] watchdog+0xc8f/0x1350 [ 247.589177][ T1076] kthread+0x361/0x430 [ 247.593247][ T1076] ? reset_hung_task_detector+0x30/0x30 [ 247.598793][ T1076] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 247.604518][ T1076] ret_from_fork+0x24/0x30 [ 247.609181][ T1076] Sending NMI from CPU 0 to CPUs 1: [ 247.614955][ C1] NMI backtrace for cpu 1 [ 247.614961][ C1] CPU: 1 PID: 30259 Comm: syz-executor.3 Not tainted 5.4.0-rc5-next-20191030 #0 [ 247.614966][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.614970][ C1] RIP: 0010:write_comp_data+0x1e/0x70 [ 247.614980][ C1] Code: 48 89 34 d1 48 89 11 5d c3 0f 1f 00 65 4c 8b 04 25 80 fe 01 00 65 8b 05 98 99 8e 7e a9 00 01 1f 00 75 51 41 8b 80 00 13 00 00 <83> f8 03 75 45 49 8b 80 08 13 00 00 45 8b 80 04 13 00 00 4c 8b 08 [ 247.614983][ C1] RSP: 0018:ffff888098427a18 EFLAGS: 00000246 [ 247.614990][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8194c0f6 [ 247.614995][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 247.614999][ C1] RBP: ffff888098427a20 R08: ffff8880a5966540 R09: fffff940003f6429 [ 247.615003][ C1] R10: fffff940003f6428 R11: ffffea0001fb2147 R12: ffffea0001fb2140 [ 247.615007][ C1] R13: ffffea0001fb2148 R14: 0000000000000000 R15: ffffea0001fb50c8 [ 247.615012][ C1] FS: 0000000001baa940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 247.615016][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.615020][ C1] CR2: 00000000004d1930 CR3: 00000000a68fc000 CR4: 00000000001406e0 [ 247.615024][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.615029][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.615031][ C1] Call Trace: [ 247.615034][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.615038][ C1] mark_page_accessed+0x3c6/0x1070 [ 247.615041][ C1] __find_get_block+0x32b/0xdb0 [ 247.615044][ C1] find_inode_bit.isra.0+0x202/0x520 [ 247.615047][ C1] __ext4_new_inode+0x16ad/0x4ee0 [ 247.615050][ C1] ? ext4_free_inode+0x1490/0x1490 [ 247.615053][ C1] ? dqget+0x10d0/0x10d0 [ 247.615056][ C1] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 247.615059][ C1] ? common_perm+0x1f7/0x730 [ 247.615062][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.615065][ C1] ? map_id_up+0x19c/0x320 [ 247.615068][ C1] ext4_symlink+0x45a/0xf10 [ 247.615071][ C1] ? ext4_orphan_del+0xa80/0xa80 [ 247.615074][ C1] ? security_inode_permission+0xcb/0x100 [ 247.615078][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.615081][ C1] ? security_inode_symlink+0xdb/0x110 [ 247.615084][ C1] vfs_symlink+0x373/0x5a0 [ 247.615087][ C1] do_symlinkat+0x22b/0x290 [ 247.615091][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.615094][ C1] ? __ia32_sys_unlink+0x50/0x50 [ 247.615097][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.615100][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.615103][ C1] ? do_syscall_64+0x26/0x760 [ 247.615107][ C1] ? lockdep_hardirqs_on+0x421/0x5e0 [ 247.615110][ C1] __x64_sys_symlink+0x59/0x80 [ 247.615112][ C1] do_syscall_64+0xfa/0x760 [ 247.615116][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.615119][ C1] RIP: 0033:0x459c77 [ 247.615128][ C1] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 247.615131][ C1] RSP: 002b:00007fff6a6c37d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 [ 247.615140][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000459c77 [ 247.615144][ C1] RDX: 00007fff6a6c3873 RSI: 00000000004bf959 RDI: 00007fff6a6c3860 [ 247.615148][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 [ 247.615152][ C1] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001 [ 247.615157][ C1] R13: 00007fff6a6c3810 R14: 0000000000000000 R15: 00007fff6a6c3820 [ 247.628577][ T3919] kobject: 'loop5' (00000000eee05a36): kobject_uevent_env [ 247.941026][ T1076] Kernel panic - not syncing: hung_task: blocked tasks [ 247.966442][ T3919] kobject: 'loop5' (00000000eee05a36): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 247.970518][ T1076] CPU: 1 PID: 1076 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191030 #0 [ 247.970527][ T1076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.970532][ T1076] Call Trace: [ 247.970551][ T1076] dump_stack+0x172/0x1f0 [ 247.970568][ T1076] panic+0x2e3/0x75c [ 247.970578][ T1076] ? add_taint.cold+0x16/0x16 [ 247.970598][ T1076] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 247.980207][ T3919] kobject: 'loop2' (000000007ccd0a07): kobject_uevent_env [ 247.984539][ T1076] ? ___preempt_schedule+0x16/0x18 [ 247.996348][ T3919] kobject: 'loop2' (000000007ccd0a07): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 248.003243][ T1076] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 248.003258][ T1076] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 248.003270][ T1076] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 248.003282][ T1076] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 248.003298][ T1076] watchdog+0xca0/0x1350 [ 248.015086][ T3919] kobject: 'loop3' (000000007f53b8db): kobject_uevent_env [ 248.016638][ T1076] kthread+0x361/0x430 [ 248.021312][ T3919] kobject: 'loop3' (000000007f53b8db): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 248.024828][ T1076] ? reset_hung_task_detector+0x30/0x30 [ 248.031093][ T3919] kobject: 'loop4' (0000000003d7c5ac): kobject_uevent_env [ 248.035097][ T1076] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 248.042365][ T3919] kobject: 'loop4' (0000000003d7c5ac): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 248.047399][ T1076] ret_from_fork+0x24/0x30 [ 248.059174][ T3919] kobject: 'loop1' (00000000d6f727d5): kobject_uevent_env [ 248.071104][ T1076] Kernel Offset: disabled [ 248.154220][ T1076] Rebooting in 86400 seconds..