[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.995228][ T28] audit: type=1800 audit(1578471997.415:25): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.032361][ T28] audit: type=1800 audit(1578471997.415:26): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.062024][ T28] audit: type=1800 audit(1578471997.425:27): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.156' (ECDSA) to the list of known hosts. 2020/01/08 08:26:47 fuzzer started 2020/01/08 08:26:49 dialing manager at 10.128.0.26:35703 2020/01/08 08:26:49 syscalls: 2824 2020/01/08 08:26:49 code coverage: enabled 2020/01/08 08:26:49 comparison tracing: enabled 2020/01/08 08:26:49 extra coverage: enabled 2020/01/08 08:26:49 setuid sandbox: enabled 2020/01/08 08:26:49 namespace sandbox: enabled 2020/01/08 08:26:49 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:26:49 fault injection: enabled 2020/01/08 08:26:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:26:49 net packet injection: enabled 2020/01/08 08:26:49 net device setup: enabled 2020/01/08 08:26:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:26:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:26:50 executing program 0: ioctl$int_in(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55ffa3da80b856445ab100621d64555c08dc5407ccaa512a9aef587628e87473753cd89e9b08e3f5972fe9ca162b123e192e8c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b59c41705b96a6711d4679079d"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) syz_open_dev$audion(0x0, 0x0, 0x2001) socket$kcm(0x11, 0x2, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(0xffffffffffffffff, 0x28, 0x1, 0x0, 0x0) umount2(&(0x7f0000000000)='./file0\x00', 0x9) 08:26:50 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0\x00', 0x0, 0x0) ioctl$RTC_ALM_SET(r0, 0x40247007, &(0x7f0000000000)) syzkaller login: [ 71.599164][ T8562] IPVS: ftp: loaded support on port[0] = 21 08:26:51 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") unshare(0x8000400) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000000180), 0x26) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r2, &(0x7f00000000c0), 0x26) getsockopt$packet_buf(r2, 0x111, 0x2, 0x0, &(0x7f0000000040)) [ 71.767159][ T8565] IPVS: ftp: loaded support on port[0] = 21 [ 71.772483][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 71.906393][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.922616][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.930512][ T8562] device bridge_slave_0 entered promiscuous mode [ 71.955733][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.963289][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.971163][ T8562] device bridge_slave_1 entered promiscuous mode [ 71.988830][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 72.045637][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.067230][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:26:51 executing program 3: syz_mount_image$gfs2(&(0x7f0000000080)='gfs2\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)={[{@errors_withdraw='errors=withdraw'}]}) [ 72.093746][ T8565] chnl_net:caif_netlink_parms(): no params data found [ 72.111732][ T8562] team0: Port device team_slave_0 added [ 72.122040][ T8562] team0: Port device team_slave_1 added [ 72.226751][ T8562] device hsr_slave_0 entered promiscuous mode [ 72.282645][ T8562] device hsr_slave_1 entered promiscuous mode 08:26:51 executing program 4: io_setup(0xc, &(0x7f0000000100)=0x0) r1 = socket$kcm(0x2b, 0x200000000000001, 0x0) ioctl$sock_kcm_SIOCKCMUNATTACH(r1, 0x5452, &(0x7f00000013c0)) r2 = dup(r1) io_submit(r0, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x80000000000000, 0x5, 0x0, r2, 0x0}]) [ 72.361058][ T8570] IPVS: ftp: loaded support on port[0] = 21 [ 72.376448][ T8565] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.384375][ T8565] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.408339][ T8565] device bridge_slave_0 entered promiscuous mode [ 72.456754][ T8565] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.464414][ T8565] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.483160][ T8565] device bridge_slave_1 entered promiscuous mode [ 72.545465][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 72.591526][ T8565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.627933][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 72.643132][ T8565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.660850][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.676332][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state 08:26:52 executing program 5: r0 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(r0, 0x28, 0x0, &(0x7f0000000080), 0x8) [ 72.693209][ T8567] device bridge_slave_0 entered promiscuous mode [ 72.757133][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.764815][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.775531][ T8567] device bridge_slave_1 entered promiscuous mode [ 72.834811][ T8565] team0: Port device team_slave_0 added [ 72.855591][ T8565] team0: Port device team_slave_1 added [ 72.862736][ T8562] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.885871][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.897281][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.927251][ T8562] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.964070][ T8562] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.973204][ T8575] IPVS: ftp: loaded support on port[0] = 21 [ 73.084979][ T8565] device hsr_slave_0 entered promiscuous mode [ 73.122787][ T8565] device hsr_slave_1 entered promiscuous mode [ 73.172708][ T8565] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.180468][ T8565] Cannot create hsr debugfs directory [ 73.201117][ T8562] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.274244][ T8567] team0: Port device team_slave_0 added [ 73.283887][ T8567] team0: Port device team_slave_1 added [ 73.327574][ T8570] chnl_net:caif_netlink_parms(): no params data found [ 73.434040][ T8567] device hsr_slave_0 entered promiscuous mode [ 73.482667][ T8567] device hsr_slave_1 entered promiscuous mode [ 73.522403][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.530123][ T8567] Cannot create hsr debugfs directory [ 73.570708][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 73.598923][ T8570] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.607229][ T8570] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.617636][ T8570] device bridge_slave_0 entered promiscuous mode [ 73.625730][ T8570] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.633260][ T8570] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.640895][ T8570] device bridge_slave_1 entered promiscuous mode [ 73.706423][ T8570] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.730002][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.738916][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.750526][ T8573] device bridge_slave_0 entered promiscuous mode [ 73.759013][ T8570] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.779333][ T8570] team0: Port device team_slave_0 added [ 73.785250][ T8565] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 73.837251][ T8565] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 73.894141][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.901753][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.909610][ T8573] device bridge_slave_1 entered promiscuous mode [ 73.920989][ T8570] team0: Port device team_slave_1 added [ 73.938338][ T8565] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.974965][ T8565] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 74.059618][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.155056][ T8570] device hsr_slave_0 entered promiscuous mode [ 74.192749][ T8570] device hsr_slave_1 entered promiscuous mode [ 74.242434][ T8570] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.250164][ T8570] Cannot create hsr debugfs directory [ 74.257116][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.267283][ T8567] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 74.315441][ T8567] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 74.387584][ T8567] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 74.444038][ T8567] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 74.519078][ T8575] chnl_net:caif_netlink_parms(): no params data found [ 74.551664][ T8573] team0: Port device team_slave_0 added [ 74.576410][ T8573] team0: Port device team_slave_1 added [ 74.675261][ T8573] device hsr_slave_0 entered promiscuous mode [ 74.732743][ T8573] device hsr_slave_1 entered promiscuous mode [ 74.772486][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.781552][ T8573] Cannot create hsr debugfs directory [ 74.804577][ T8575] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.811858][ T8575] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.820469][ T8575] device bridge_slave_0 entered promiscuous mode [ 74.852198][ T8575] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.866392][ T8575] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.874708][ T8575] device bridge_slave_1 entered promiscuous mode [ 74.893076][ T8575] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.909615][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.919832][ T8575] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.991072][ T8565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.002580][ T8575] team0: Port device team_slave_0 added [ 75.024697][ T8575] team0: Port device team_slave_1 added [ 75.049088][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.058415][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.066319][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.074281][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.083754][ T8565] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.092973][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.099955][ T8570] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 75.144732][ T8570] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 75.186702][ T8570] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 75.275234][ T8575] device hsr_slave_0 entered promiscuous mode [ 75.312702][ T8575] device hsr_slave_1 entered promiscuous mode [ 75.352464][ T8575] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.360068][ T8575] Cannot create hsr debugfs directory [ 75.387790][ T8570] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.435509][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.447082][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.455524][ T3244] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.462711][ T3244] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.470805][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.480406][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.488931][ T3244] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.496016][ T3244] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.503659][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.512166][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.520619][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.527684][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.535335][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.544034][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.552686][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.560487][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.587882][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.596330][ T8573] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 75.644484][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.656826][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.667466][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.674581][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.693519][ T8573] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 75.734290][ T8573] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.766380][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.778366][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.808533][ T8573] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.834369][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.843929][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.853209][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.863129][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.876127][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.885991][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.894378][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.902842][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.911976][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.921034][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.931962][ T8567] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.948131][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.971855][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.981363][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.990944][ T3245] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.002472][ T3245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.011708][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.041466][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.063772][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.071322][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.079970][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.089225][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.097830][ T3245] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.104912][ T3245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.113018][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.121459][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.130497][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.139141][ T3245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.167688][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.177879][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.188804][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.197272][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.227314][ T8575] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 76.257433][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.266474][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.275836][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.285404][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.294287][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.304023][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.312558][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.321205][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.329949][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.338447][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.346774][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.360364][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.371244][ T8565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.385824][ T8567] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.397063][ T8567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.407178][ T8575] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 76.435103][ T8575] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 76.496148][ T8575] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 76.558658][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.567070][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.575580][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.598160][ T8562] device veth0_vlan entered promiscuous mode [ 76.623067][ T8570] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.630255][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.638612][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.647802][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.655779][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.665058][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.673463][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.688501][ T8562] device veth1_vlan entered promiscuous mode [ 76.698524][ T8565] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.750082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.758366][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.766609][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.777791][ T8567] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.802231][ T8570] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.837353][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.844549][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.853715][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.861356][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.869375][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.878581][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.909028][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.920515][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.929513][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.936599][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.944782][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.953494][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.961839][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.968940][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.976701][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.011095][ T8573] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.034868][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.048122][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.057953][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.067647][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.083177][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.090892][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 182.052274][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 182.059460][ C1] rcu: 1-...!: (10499 ticks this GP) idle=b52/1/0x4000000000000002 softirq=14225/14225 fqs=145 [ 182.071109][ C1] (t=10500 jiffies g=7753 q=304) [ 182.076232][ C1] rcu: rcu_preempt kthread starved for 10204 jiffies! g7753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 182.088622][ C1] rcu: RCU grace-period kthread stack dump: [ 182.094498][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 182.102645][ C1] Call Trace: [ 182.105934][ C1] __schedule+0x9a0/0xcc0 [ 182.110267][ C1] schedule+0x181/0x210 [ 182.115043][ C1] schedule_timeout+0x14f/0x240 [ 182.120492][ C1] ? run_local_timers+0x120/0x120 [ 182.125597][ C1] rcu_gp_kthread+0xed8/0x1770 [ 182.130365][ C1] kthread+0x332/0x350 [ 182.135644][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 182.140744][ C1] ? kthread_blkcg+0xe0/0xe0 [ 182.145337][ C1] ret_from_fork+0x24/0x30 [ 182.149757][ C1] NMI backtrace for cpu 1 [ 182.154074][ C1] CPU: 1 PID: 8226 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 182.161860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.171902][ C1] Call Trace: [ 182.175172][ C1] [ 182.178036][ C1] dump_stack+0x1fb/0x318 [ 182.182382][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 182.187244][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 182.193411][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 182.199472][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 182.205461][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 182.211350][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 182.216460][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 182.221651][ C1] ? trace_hardirqs_off+0x74/0x80 [ 182.226665][ C1] update_process_times+0x12d/0x180 [ 182.231856][ C1] tick_sched_timer+0x263/0x420 [ 182.236700][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 182.242236][ C1] __hrtimer_run_queues+0x403/0x840 [ 182.247439][ C1] hrtimer_interrupt+0x38c/0xda0 [ 182.252382][ C1] ? debug_smp_processor_id+0x9/0x20 [ 182.257660][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 182.263197][ C1] apic_timer_interrupt+0xf/0x20 [ 182.268131][ C1] [ 182.271059][ C1] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 182.277026][ C1] Code: 3c 20 00 74 0c 48 c7 c7 68 95 2a 89 e8 d8 8e 6a 00 48 83 3d 68 fd e1 07 00 74 2d e8 79 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 61 26 2e 00 0f 0b e8 5a 26 2e 00 0f [ 182.296622][ C1] RSP: 0018:ffffc90006a57730 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 182.305019][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff8880935400c0 [ 182.312980][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026d7f00 [ 182.320954][ C1] RBP: ffffc90006a57750 R08: 000000000003a728 R09: ffffed10151a3699 [ 182.328951][ C1] R10: ffffed10151a3699 R11: 0000000000000000 R12: dffffc0000000000 [ 182.336926][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8d1b4b8 [ 182.344925][ C1] ? mod_memcg_page_state+0x123/0x190 [ 182.350306][ C1] free_thread_stack+0x168/0x590 [ 182.355243][ C1] put_task_stack+0xa3/0x130 [ 182.359827][ C1] finish_task_switch+0x3f1/0x550 [ 182.364855][ C1] __schedule+0x9a8/0xcc0 [ 182.369186][ C1] schedule+0x181/0x210 [ 182.373338][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 182.379406][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 182.385214][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 182.390605][ C1] poll_schedule_timeout+0x11c/0x1c0 [ 182.395893][ C1] do_sys_poll+0x83f/0x1250 [ 182.400408][ C1] ? debug_object_activate+0x2f7/0x6f0 [ 182.405874][ C1] ? debug_object_active_state+0x1e3/0x4a0 [ 182.411695][ C1] ? __lock_acquire+0xc75/0x1be0 [ 182.416646][ C1] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 182.422633][ C1] ? trace_hardirqs_on+0x74/0x80 [ 182.427576][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 182.432340][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 182.437097][ C1] ? read_seqcount_begin+0x125/0x1c0 [ 182.442382][ C1] ? trace_hardirqs_on+0x74/0x80 [ 182.447314][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 182.452073][ C1] ? read_seqcount_begin+0x17a/0x1c0 [ 182.457357][ C1] ? ktime_get_ts64+0x240/0x2c0 [ 182.462201][ C1] ? timespec64_add_safe+0x171/0x1b0 [ 182.467489][ C1] __se_sys_poll+0x1b0/0x360 [ 182.472087][ C1] __x64_sys_poll+0x7b/0x90 [ 182.476584][ C1] do_syscall_64+0xf7/0x1c0 [ 182.481090][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.486981][ C1] RIP: 0033:0x7f5d536cb678 [ 182.491387][ C1] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 182.510983][ C1] RSP: 002b:00007ffe80646f80 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 182.519382][ C1] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f5d536cb678 [ 182.527344][ C1] RDX: 000000000000ee2c RSI: 0000000000000001 RDI: 00007ffe80647040 [ 182.535304][ C1] RBP: 0000000000000000 R08: 00007ffe80646f90 R09: 00007ffe806ef0b8 [ 182.543265][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000a7e550 [ 182.551227][ C1] R13: 0000000000002184 R14: 00007ffe80647014 R15: 0000000000a65250