[ 50.823221][ T27] audit: type=1800 audit(1578468485.116:25): 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 [ 50.854816][ T27] audit: type=1800 audit(1578468485.116:26): 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 [ 50.894865][ T27] audit: type=1800 audit(1578468485.116:27): 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 [ 50.916571][ T27] audit: type=1800 audit(1578468485.116:28): pid=8397 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.137' (ECDSA) to the list of known hosts. 2020/01/08 07:28:18 fuzzer started 2020/01/08 07:28:19 dialing manager at 10.128.0.26:35703 2020/01/08 07:28:19 syscalls: 2824 2020/01/08 07:28:19 code coverage: enabled 2020/01/08 07:28:19 comparison tracing: enabled 2020/01/08 07:28:19 extra coverage: enabled 2020/01/08 07:28:19 setuid sandbox: enabled 2020/01/08 07:28:19 namespace sandbox: enabled 2020/01/08 07:28:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:28:19 fault injection: enabled 2020/01/08 07:28:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:28:19 net packet injection: enabled 2020/01/08 07:28:19 net device setup: enabled 2020/01/08 07:28:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:28:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:28:20 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000140)=""/216) ioctl$EVIOCGREP(r0, 0x4010744d, &(0x7f0000001000)=""/174) 07:28:21 executing program 1: r0 = timerfd_create(0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) timerfd_settime(r0, 0x3, &(0x7f0000000080)={{}, {0x0, 0x1c9c380}}, 0x0) read(r0, &(0x7f0000a16000)=""/71, 0x5d) syzkaller login: [ 66.883802][ T8563] IPVS: ftp: loaded support on port[0] = 21 [ 67.010948][ T8565] IPVS: ftp: loaded support on port[0] = 21 07:28:21 executing program 2: syz_open_dev$sndtimer(&(0x7f00000001c0)='/dev/snd/timer\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) r0 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) accept$inet6(r0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, 0x0, 0xffffffffffffff59) getpid() r1 = creat(&(0x7f0000000000)='./bus\x00', 0x0) open(0x0, 0x0, 0x0) ftruncate(r1, 0x8200) open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) getpid() r2 = getpid() ptrace(0xffffffffffffffff, r2) ptrace$poke(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_MCAST_MSFILTER(0xffffffffffffffff, 0x0, 0x30, 0x0, 0x0) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = getpid() ptrace(0xffffffffffffffff, r3) ptrace$poke(0x21, r3, 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 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}, 0x2000}, r3, 0x0, 0xffffffffffffffff, 0x0) r4 = getpid() ptrace(0x10, r4) ptrace$poke(0x21, r4, 0x0, 0x0) accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$TCSETAF(0xffffffffffffffff, 0x5408, 0x0) setsockopt$inet_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000240)=0x1, 0x4) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x10, 0xffffffffffffffff, 0x0) lstat(0x0, 0x0) removexattr(0x0, 0x0) r5 = socket$inet6(0xa, 0x400000000001, 0x0) ioctl$int_in(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r6 = dup(r5) setsockopt$inet6_tcp_int(r6, 0x6, 0x20000000000002, &(0x7f00007b1000)=0x81, 0x4) prctl$PR_GET_CHILD_SUBREAPER(0x25) setsockopt$SO_TIMESTAMPING(r6, 0x1, 0x25, &(0x7f0000000200)=0x806, 0x204) bind$inet6(r5, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r5, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r7 = open(&(0x7f0000002000)='./bus\x00', 0x0, 0x80) sendfile(r6, r7, &(0x7f0000d83ff8), 0x8000fffffffe) [ 67.069995][ T8563] chnl_net:caif_netlink_parms(): no params data found [ 67.173841][ T8563] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.184757][ T8563] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.193049][ T8563] device bridge_slave_0 entered promiscuous mode [ 67.218486][ T8563] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.235489][ T8563] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.243139][ T8563] device bridge_slave_1 entered promiscuous mode [ 67.268853][ T8565] chnl_net:caif_netlink_parms(): no params data found [ 67.318539][ T8563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.343465][ T8563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.354016][ T8565] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.361713][ T8565] bridge0: port 1(bridge_slave_0) entered disabled state 07:28:21 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@polexpire={0xc0, 0x1b, 0x221, 0x0, 0x0, {{{@in6=@dev, @in=@loopback}, {}, {}, 0x0, 0x3}}}, 0xc0}, 0x8}, 0x0) [ 67.369725][ T8565] device bridge_slave_0 entered promiscuous mode [ 67.397421][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 67.411378][ T8565] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.419790][ T8565] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.434632][ T8565] device bridge_slave_1 entered promiscuous mode [ 67.444803][ T8563] team0: Port device team_slave_0 added [ 67.472121][ T8563] team0: Port device team_slave_1 added [ 67.490537][ T8565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.527643][ T8565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:28:21 executing program 4: creat(&(0x7f0000000180)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) mount$fuseblk(&(0x7f0000000000)='/dev/loop0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000280)='fuseblk\x00', 0x0, &(0x7f00000003c0)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}, 0x2c, {[{@allow_other='allow_other'}]}}) [ 67.598145][ T8563] device hsr_slave_0 entered promiscuous mode [ 67.636015][ T8563] device hsr_slave_1 entered promiscuous mode 07:28:22 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) close(r0) timerfd_create(0x0, 0x0) io_setup(0xb, &(0x7f0000000140)=0x0) io_submit(r1, 0x1, &(0x7f0000000040)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) [ 67.813056][ T8565] team0: Port device team_slave_0 added [ 67.837337][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 67.837997][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 67.846390][ T8565] team0: Port device team_slave_1 added [ 68.047100][ T8565] device hsr_slave_0 entered promiscuous mode [ 68.085856][ T8565] device hsr_slave_1 entered promiscuous mode [ 68.125636][ T8565] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.133392][ T8565] Cannot create hsr debugfs directory [ 68.165085][ T8576] IPVS: ftp: loaded support on port[0] = 21 [ 68.178734][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 68.232759][ T8563] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.289491][ T8563] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.350673][ T8563] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.423020][ T8563] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.518389][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 68.580781][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 68.603609][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.612817][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.620613][ T8573] device bridge_slave_0 entered promiscuous mode [ 68.630936][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.638148][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.646168][ T8573] device bridge_slave_1 entered promiscuous mode [ 68.657714][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.664780][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.675323][ T8569] device bridge_slave_0 entered promiscuous mode [ 68.684567][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.692088][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.700052][ T8569] device bridge_slave_1 entered promiscuous mode [ 68.751706][ T8565] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.798679][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.814869][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.822974][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.830654][ T8571] device bridge_slave_0 entered promiscuous mode [ 68.839780][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.850743][ T8565] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.897168][ T8565] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.938207][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.951822][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.959511][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.967452][ T8571] device bridge_slave_1 entered promiscuous mode [ 68.975709][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.001719][ T8565] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.053945][ T8573] team0: Port device team_slave_0 added [ 69.064622][ T8573] team0: Port device team_slave_1 added [ 69.073462][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.128304][ T8569] team0: Port device team_slave_0 added [ 69.135152][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.208226][ T8573] device hsr_slave_0 entered promiscuous mode [ 69.245854][ T8573] device hsr_slave_1 entered promiscuous mode [ 69.305594][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.313240][ T8573] Cannot create hsr debugfs directory [ 69.319931][ T8569] team0: Port device team_slave_1 added [ 69.326093][ T8576] chnl_net:caif_netlink_parms(): no params data found [ 69.398201][ T8569] device hsr_slave_0 entered promiscuous mode [ 69.436502][ T8569] device hsr_slave_1 entered promiscuous mode [ 69.505477][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.513197][ T8569] Cannot create hsr debugfs directory [ 69.560021][ T8571] team0: Port device team_slave_0 added [ 69.597156][ T8571] team0: Port device team_slave_1 added [ 69.652181][ T8563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.694895][ T8563] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.702659][ T8576] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.710370][ T8576] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.718141][ T8576] device bridge_slave_0 entered promiscuous mode [ 69.726323][ T8576] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.733366][ T8576] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.741485][ T8576] device bridge_slave_1 entered promiscuous mode [ 69.797097][ T8571] device hsr_slave_0 entered promiscuous mode [ 69.835838][ T8571] device hsr_slave_1 entered promiscuous mode [ 69.885620][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.893205][ T8571] Cannot create hsr debugfs directory [ 69.906505][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.914775][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.928513][ T8569] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.978327][ T8569] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.021440][ T8569] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.083373][ T8569] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.137214][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.148624][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.157032][ T2760] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.164145][ T2760] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.174343][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.212593][ T3860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.222072][ T3860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.230599][ T3860] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.237694][ T3860] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.250325][ T8576] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.278109][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.289494][ T8576] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.304259][ T8573] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.360486][ T8573] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.418912][ T8573] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.469720][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.503267][ T8573] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.549265][ T8565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.556340][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.564846][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.573267][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.581779][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.591030][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.599473][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.607915][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.619377][ T8576] team0: Port device team_slave_0 added [ 70.632387][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.640830][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.662721][ T8576] team0: Port device team_slave_1 added [ 70.673313][ T8563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.747773][ T8576] device hsr_slave_0 entered promiscuous mode [ 70.786589][ T8576] device hsr_slave_1 entered promiscuous mode [ 70.825658][ T8576] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.825689][ T8576] Cannot create hsr debugfs directory [ 70.840352][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.848176][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.866861][ T8571] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.911485][ T8571] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.969187][ T8565] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.978995][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.986674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.998303][ T8563] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.016314][ T8571] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.068161][ T8571] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.164824][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.179113][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.188547][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.197432][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.206259][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.214626][ T2760] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.221727][ T2760] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.256271][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.268623][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.277947][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.286528][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.295280][ T2760] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.302612][ T2760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.310608][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.319398][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.328133][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.336160][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.349686][ T8563] device veth0_vlan entered promiscuous mode [ 71.370689][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.384051][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.393284][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.403354][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.412086][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.420714][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.429345][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.437944][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.446294][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.454370][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.462668][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.470722][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.479308][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.488033][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.495065][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.503487][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.511645][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.519759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.528164][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.564479][ T8563] device veth1_vlan entered promiscuous mode [ 71.584153][ T8573] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.592977][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.601605][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.610468][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.617654][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.625981][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.634437][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.643004][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.650732][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.682901][ T8565] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.712009][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.736303][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.744514][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.755283][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.764682][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.775868][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.783936][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.792462][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.800879][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.808055][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.816415][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.823816][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.831287][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.839872][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.848228][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.855269][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.862936][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.871457][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.879677][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.888657][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.896949][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.906451][ T8569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.926113][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.939571][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.948039][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.957101][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.965501][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.974544][ T3835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.052127][ T8576] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 177.045360][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.052150][ C0] rcu: 0-...!: (1 GPs behind) idle=9e6/1/0x4000000000000002 softirq=13352/13360 fqs=41 [ 177.062097][ C0] (t=10501 jiffies g=6781 q=122) [ 177.067126][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6781 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.078731][ C0] rcu: RCU grace-period kthread stack dump: [ 177.084609][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.092503][ C0] Call Trace: [ 177.095790][ C0] __schedule+0x9a0/0xcc0 [ 177.100121][ C0] schedule+0x181/0x210 [ 177.104270][ C0] schedule_timeout+0x14f/0x240 [ 177.109113][ C0] ? run_local_timers+0x120/0x120 [ 177.114134][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.118894][ C0] kthread+0x332/0x350 [ 177.122949][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.128047][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.132628][ C0] ret_from_fork+0x24/0x30 [ 177.137049][ C0] NMI backtrace for cpu 0 [ 177.141381][ C0] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.149512][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.159823][ C0] Workqueue: 0x0 (bond0) [ 177.164156][ C0] Call Trace: [ 177.167437][ C0] [ 177.170281][ C0] dump_stack+0x1fb/0x318 [ 177.174606][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.179447][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.185588][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.191652][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.197620][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.203525][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.208656][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.213866][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.218890][ C0] update_process_times+0x12d/0x180 [ 177.224092][ C0] tick_sched_timer+0x263/0x420 [ 177.228976][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.234518][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.239726][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.244673][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.249954][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.255490][ C0] apic_timer_interrupt+0xf/0x20 [ 177.260420][ C0] [ 177.263350][ C0] RIP: 0010:mod_memcg_page_state+0x6/0x190 [ 177.269145][ C0] Code: 60 00 eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 [ 177.288738][ C0] RSP: 0018:ffffc90000cdfc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.297136][ C0] RAX: 1ffff11010a3ce41 RBX: ffff8880851e7208 RCX: 0000000000000000 [ 177.305103][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002452580 [ 177.313064][ C0] RBP: ffffc90000cdfc20 R08: 000000000003a728 R09: ffffed101296e2b1 [ 177.321029][ C0] R10: ffffed101296e2b1 R11: 0000000000000000 R12: ffff8880851e72a0 [ 177.329018][ C0] R13: dffffc0000000000 R14: 1ffff11010a3ce54 R15: ffff888094b71578 [ 177.337005][ C0] free_thread_stack+0x168/0x590 [ 177.341934][ C0] put_task_stack+0xa3/0x130 [ 177.346515][ C0] finish_task_switch+0x3f1/0x550 [ 177.351534][ C0] __schedule+0x9a8/0xcc0 [ 177.355861][ C0] schedule+0x181/0x210 [ 177.360021][ C0] worker_thread+0x10d6/0x1630 [ 177.364797][ C0] kthread+0x332/0x350 [ 177.368855][ C0] ? rcu_lock_release+0x30/0x30 [ 177.373695][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.378275][ C0] ret_from_fork+0x24/0x30