[ 41.160532][ T25] audit: type=1800 audit(1575413687.009:27): pid=7882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.211320][ T25] audit: type=1800 audit(1575413687.019:28): pid=7882 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. [ 41.812702][ T25] audit: type=1800 audit(1575413687.709:29): pid=7882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.832258][ T25] audit: type=1800 audit(1575413687.709:30): pid=7882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. 2019/12/03 22:54:58 fuzzer started 2019/12/03 22:55:00 dialing manager at 10.128.0.26:42111 2019/12/03 22:55:00 syscalls: 2689 2019/12/03 22:55:00 code coverage: enabled 2019/12/03 22:55:00 comparison tracing: enabled 2019/12/03 22:55:00 extra coverage: extra coverage is not supported by the kernel 2019/12/03 22:55:00 setuid sandbox: enabled 2019/12/03 22:55:00 namespace sandbox: enabled 2019/12/03 22:55:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 22:55:00 fault injection: enabled 2019/12/03 22:55:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 22:55:00 net packet injection: enabled 2019/12/03 22:55:00 net device setup: enabled 2019/12/03 22:55:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 22:55:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:55:01 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0x20) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = bpf$MAP_CREATE(0x100000000000000, &(0x7f00000000c0)={0x19, 0x4, 0x4, 0x4, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r1, &(0x7f0000000200), &(0x7f00000000c0)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000180)={r1, &(0x7f0000000340), &(0x7f0000000400)='\a'}, 0x20) 22:55:01 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newsa={0x13c, 0x10, 0x713, 0x0, 0x0, {{@in=@remote}, {@in6=@mcast2, 0x0, 0x32}, @in=@multicast1, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_aead={0x4c, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0x0, 0x80}}]}, 0x13c}}, 0x0) syzkaller login: [ 55.377572][ T8048] IPVS: ftp: loaded support on port[0] = 21 [ 55.496986][ T8048] chnl_net:caif_netlink_parms(): no params data found [ 55.583789][ T8048] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.600534][ T8048] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.608338][ T8048] device bridge_slave_0 entered promiscuous mode [ 55.629664][ T8051] IPVS: ftp: loaded support on port[0] = 21 [ 55.636892][ T8048] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.648623][ T8048] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.657088][ T8048] device bridge_slave_1 entered promiscuous mode 22:55:01 executing program 2: r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) r1 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x28001) sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x0, 0x0, 0x0, {{}, 0x0, 0x4109, 0x0, {0x4c, 0x18, {0x0, @media='udp\x00'}}}}, 0x68}}, 0x0) dup3(r1, r0, 0x0) writev(r0, &(0x7f00000003c0), 0x63) [ 55.692009][ T8048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.714539][ T8048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.805607][ T8048] team0: Port device team_slave_0 added [ 55.823351][ T8048] team0: Port device team_slave_1 added [ 55.845726][ T8051] chnl_net:caif_netlink_parms(): no params data found [ 55.874821][ T8054] IPVS: ftp: loaded support on port[0] = 21 22:55:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha384\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007f00)=[{{&(0x7f00000056c0)=@can, 0x50, &(0x7f00000000c0)}}, {{&(0x7f0000005900)=@pppoe={0x18, 0x0, {0x0, @link_local, 'syzkaller0\x00'}}, 0x80, &(0x7f0000007ac0), 0x331, &(0x7f0000007b00), 0x5000}}], 0x3fffffffffffe0d, 0x0) [ 55.973876][ T8048] device hsr_slave_0 entered promiscuous mode [ 56.052073][ T8048] device hsr_slave_1 entered promiscuous mode 22:55:02 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="1400000022000104000000000000000000000000c150ac2a0ee4d28997342623e5dab6be6f1a6f2ac5e6840869f15131a4fa4c6fe0544a61bcf315651808ec3b51969780e8c846b920826762ff7d735ce4cf6ea0facd1b3e98d3bd77f078f4bf85"], 0x14}}, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000002c0)=@acquire={0x128, 0x17, 0x7, 0x0, 0x0, {{@in6=@local}, @in=@remote, {@in=@initdev, @in=@initdev={0xac, 0x1e, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @local}, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x2}}}}, 0x128}, 0x8}, 0x0) [ 56.158042][ T8056] IPVS: ftp: loaded support on port[0] = 21 [ 56.191410][ T8051] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.198518][ T8051] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.211603][ T8051] device bridge_slave_0 entered promiscuous mode [ 56.241033][ T8051] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.248438][ T8051] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.271603][ T8051] device bridge_slave_1 entered promiscuous mode [ 56.294522][ T8048] netdevsim netdevsim0 netdevsim0: renamed from eth0 22:55:02 executing program 5: r0 = syz_open_dev$swradio(&(0x7f00000002c0)='/dev/swradio#\x00', 0xffffffffffffffff, 0x2) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f0000001c00)={0x0, 0xfffffffffffffa40, 0x1, {0xb, @vbi={0x0, 0x5}}}) ioctl$VIDIOC_STREAMON(r0, 0x40045612, &(0x7f0000000140)=0x80000100000000b) ppoll(&(0x7f0000001840)=[{r0, 0x1}], 0x1, 0x0, 0x0, 0x0) [ 56.378596][ T8048] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.433926][ T8048] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.503470][ T8048] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.581215][ T8051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.595093][ T8051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.636363][ T8058] IPVS: ftp: loaded support on port[0] = 21 [ 56.672494][ T8060] IPVS: ftp: loaded support on port[0] = 21 [ 56.711482][ T8054] chnl_net:caif_netlink_parms(): no params data found [ 56.721969][ T8051] team0: Port device team_slave_0 added [ 56.741830][ T8056] chnl_net:caif_netlink_parms(): no params data found [ 56.764970][ T8051] team0: Port device team_slave_1 added [ 56.828314][ T8054] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.836120][ T8054] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.844349][ T8054] device bridge_slave_0 entered promiscuous mode [ 56.866726][ T8056] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.874779][ T8056] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.882899][ T8056] device bridge_slave_0 entered promiscuous mode [ 56.894511][ T8056] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.902559][ T8056] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.910247][ T8056] device bridge_slave_1 entered promiscuous mode [ 56.927078][ T8054] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.934387][ T8054] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.942760][ T8054] device bridge_slave_1 entered promiscuous mode [ 57.003192][ T8051] device hsr_slave_0 entered promiscuous mode [ 57.070679][ T8051] device hsr_slave_1 entered promiscuous mode [ 57.130534][ T8051] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.139765][ T8056] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.156783][ T8054] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.168241][ T8054] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.190925][ T8056] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.218082][ T8054] team0: Port device team_slave_0 added [ 57.247780][ T8058] chnl_net:caif_netlink_parms(): no params data found [ 57.257605][ T8054] team0: Port device team_slave_1 added [ 57.274678][ T8056] team0: Port device team_slave_0 added [ 57.283235][ T8056] team0: Port device team_slave_1 added [ 57.301702][ T8051] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.413326][ T8054] device hsr_slave_0 entered promiscuous mode [ 57.470931][ T8054] device hsr_slave_1 entered promiscuous mode [ 57.520492][ T8054] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.529037][ T8051] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.587982][ T8058] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.596068][ T8058] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.604749][ T8058] device bridge_slave_0 entered promiscuous mode [ 57.613785][ T8058] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.621353][ T8058] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.630304][ T8058] device bridge_slave_1 entered promiscuous mode [ 57.642711][ T8051] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.743246][ T8056] device hsr_slave_0 entered promiscuous mode [ 57.780908][ T8056] device hsr_slave_1 entered promiscuous mode [ 57.850491][ T8056] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.878331][ T8051] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.940231][ T8058] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.955456][ T8058] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.008080][ T8060] chnl_net:caif_netlink_parms(): no params data found [ 58.026678][ T8048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.036427][ T8058] team0: Port device team_slave_0 added [ 58.043307][ T8054] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.125016][ T8054] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.183388][ T8054] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.245881][ T8054] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.304311][ T8058] team0: Port device team_slave_1 added [ 58.323342][ T8056] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.362150][ T8056] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.462568][ T8058] device hsr_slave_0 entered promiscuous mode [ 58.500744][ T8058] device hsr_slave_1 entered promiscuous mode [ 58.550566][ T8058] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.567344][ T8056] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.602426][ T8056] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.666500][ T8051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.689725][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.702212][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.716813][ T8048] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.724023][ T8060] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.731762][ T8060] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.739369][ T8060] device bridge_slave_0 entered promiscuous mode [ 58.749704][ T8060] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.756995][ T8060] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.765009][ T8060] device bridge_slave_1 entered promiscuous mode [ 58.791327][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.798992][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.818668][ T8051] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.837869][ T8060] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.847662][ T8058] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.884143][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.893000][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.901702][ T3689] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.908848][ T3689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.917186][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.926818][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.935316][ T3689] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.942391][ T3689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.967799][ T8060] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.977304][ T8058] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.042841][ T8058] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.082049][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.089925][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.099146][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.107964][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.117244][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.124637][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.133373][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.142139][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.150725][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.159348][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.167792][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.176274][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.184693][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.191775][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.199435][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.210804][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.237915][ T8060] team0: Port device team_slave_0 added [ 59.246101][ T8058] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.287033][ T8063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.295790][ T8063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.304869][ T8063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.313390][ T8063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.332961][ T8060] team0: Port device team_slave_1 added [ 59.351056][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.367471][ T8054] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.385645][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.394246][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.403453][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.412311][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.421894][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.431271][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.438948][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.454676][ T8051] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.466016][ T8051] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.486391][ T8048] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.497698][ T8054] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.507734][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.516403][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.525184][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.533730][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.542282][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.551930][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.584269][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.593300][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.600890][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.608292][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.617608][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.626232][ T3054] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.633344][ T3054] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.641389][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.653782][ T8051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.693077][ T8060] device hsr_slave_0 entered promiscuous mode [ 59.720843][ T8060] device hsr_slave_1 entered promiscuous mode [ 59.760710][ T8060] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.816911][ T8060] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.844187][ T8060] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.923535][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.932589][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.941827][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.948946][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.957089][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.966001][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.974678][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.983468][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.992130][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.999525][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.008672][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.016636][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.025198][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.046297][ T8056] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.055350][ T8048] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.063793][ T8060] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.170220][ T8060] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 165.110335][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.117732][ C1] rcu: 1-...!: (1 GPs behind) idle=6ba/1/0x4000000000000002 softirq=10479/10480 fqs=3 [ 165.128040][ C1] (t=10500 jiffies g=6257 q=93) [ 165.134056][ C1] rcu: rcu_preempt kthread starved for 10492 jiffies! g6257 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.145251][ C1] rcu: RCU grace-period kthread stack dump: [ 165.151500][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.159693][ C1] Call Trace: [ 165.163031][ C1] __schedule+0x9a0/0xcc0 [ 165.167600][ C1] schedule+0x181/0x210 [ 165.172032][ C1] schedule_timeout+0x14f/0x240 [ 165.176896][ C1] ? run_local_timers+0x120/0x120 [ 165.182194][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.187869][ C1] kthread+0x332/0x350 [ 165.192440][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.197581][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.202182][ C1] ret_from_fork+0x24/0x30 [ 165.206863][ C1] NMI backtrace for cpu 1 [ 165.211381][ C1] CPU: 1 PID: 205 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 165.219664][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.230072][ C1] Workqueue: events_unbound fsnotify_mark_destroy_workfn [ 165.237699][ C1] Call Trace: [ 165.241000][ C1] [ 165.243966][ C1] dump_stack+0x1fb/0x318 [ 165.248579][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.253439][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.259595][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.266040][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.272121][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.278040][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.283385][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.288719][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.293891][ C1] update_process_times+0x12d/0x180 [ 165.299096][ C1] tick_sched_timer+0x263/0x420 [ 165.303947][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.309721][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.315023][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.320180][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.325505][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.331139][ C1] apic_timer_interrupt+0xf/0x20 [ 165.336271][ C1] [ 165.339387][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 165.345711][ C1] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 <65> 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 [ 165.365490][ C1] RSP: 0018:ffffc90000f278a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.374004][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a91ca4c0 [ 165.381983][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024b7100 [ 165.390137][ C1] RBP: ffffc90000f278c8 R08: 000000000003a768 R09: ffffed10127a6af7 [ 165.398709][ C1] R10: ffffed10127a6af7 R11: 0000000000000000 R12: dffffc0000000000 [ 165.407129][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888093d357a8 [ 165.415294][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.420937][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.427122][ C1] free_thread_stack+0x168/0x590 [ 165.432308][ C1] put_task_stack+0xa3/0x130 [ 165.436916][ C1] finish_task_switch+0x3f1/0x550 [ 165.441953][ C1] __schedule+0x9a8/0xcc0 [ 165.446527][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.451723][ C1] preempt_schedule+0xdb/0x120 [ 165.456584][ C1] ___preempt_schedule+0x16/0x18 [ 165.461633][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 165.467268][ C1] __call_srcu+0x7ab/0xb00 [ 165.471697][ C1] __synchronize_srcu+0x1cf/0x260 [ 165.477103][ C1] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 165.482766][ C1] synchronize_srcu+0x2cb/0x2f0 [ 165.487619][ C1] fsnotify_mark_destroy_workfn+0xe5/0x2a0 [ 165.494393][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 165.500327][ C1] process_one_work+0x7ef/0x10d0 [ 165.505497][ C1] worker_thread+0xc01/0x1630 [ 165.510300][ C1] kthread+0x332/0x350 [ 165.514368][ C1] ? rcu_lock_release+0x30/0x30 [ 165.519442][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.524274][ C1] ret_from_fork+0x24/0x30