[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.821437][ T26] audit: type=1800 audit(1578455024.373:25): pid=8377 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.841586][ T26] audit: type=1800 audit(1578455024.373:26): pid=8377 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.895212][ T26] audit: type=1800 audit(1578455024.373:27): pid=8377 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 '10.128.0.230' (ECDSA) to the list of known hosts. 2020/01/08 03:43:55 fuzzer started 2020/01/08 03:43:57 dialing manager at 10.128.0.26:35703 2020/01/08 03:43:57 syscalls: 2824 2020/01/08 03:43:57 code coverage: enabled 2020/01/08 03:43:57 comparison tracing: enabled 2020/01/08 03:43:57 extra coverage: enabled 2020/01/08 03:43:57 setuid sandbox: enabled 2020/01/08 03:43:57 namespace sandbox: enabled 2020/01/08 03:43:57 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:43:57 fault injection: enabled 2020/01/08 03:43:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:43:57 net packet injection: enabled 2020/01/08 03:43:57 net device setup: enabled 2020/01/08 03:43:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:43:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:43:58 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) setxattr$trusted_overlay_redirect(&(0x7f0000000080)='./bus/file1\x00', 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') 03:43:58 executing program 1: r0 = socket$inet6(0xa, 0x5, 0xfffffffffffffffb) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000580)=0x800000d) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x10000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x4, 0x9, &(0x7f0000000240)=ANY=[@ANYBLOB="0500db44c7450000bf7ce676b30007000008000000020000000000e556b35eb800650404000100000004040000850000001f000001b701e41400"/77], 0x0}, 0x48) socket$inet6(0xa, 0x2, 0xfd9) ioctl(r1, 0x10001, &(0x7f0000000100)="153f6234488dd25d766070") r2 = socket(0xa, 0x3, 0x8) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) ioctl$sock_FIOSETOWN(0xffffffffffffffff, 0x8901, &(0x7f00000002c0)=r3) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x89a2, &(0x7f0000000180)={'\x00', 0x4}) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r2, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x900000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x1c, r4, 0x0, 0x70bd26, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008000}, 0x8000) setsockopt$IP_VS_SO_SET_DELDEST(r2, 0x0, 0x488, &(0x7f0000000080)={{0x6c, @remote, 0x4e24, 0x0, 'lblcr\x00', 0x1e, 0x0, 0x13}, {@remote, 0x4e21, 0x7, 0xffff, 0x7f, 0x2}}, 0x44) r5 = memfd_create(&(0x7f0000000140)='+\x8b\x8a\x16\x11O\xdd\xdfk(F\x99\xdf\x92\xd5>oJ\x02\x05\x00\x00\x00\xac', 0x0) write$binfmt_misc(0xffffffffffffffff, &(0x7f0000000c40)=ANY=[], 0x0) close(0xffffffffffffffff) r6 = dup3(0xffffffffffffffff, r5, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r6, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)}}, 0x20) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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={&(0x7f0000abe000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[]}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x2, 0x9, 0x0, 0x0, 0x2}, 0x10}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000184000)=ANY=[@ANYBLOB="020100021000000000000600000000000800120000ffff00000000000000000006000000000000000000800000000000e00000010b00000000000000000035000000000000000000000000ff00000000030006000000000002000004000000bb000000000000000003000500000000000200423b000000000000004000000000"], 0x80}}, 0x0) r7 = socket$key(0xf, 0x3, 0x2) sendmmsg(r7, &(0x7f0000000180), 0x400000000000117, 0x0) syzkaller login: [ 66.224708][ T8543] IPVS: ftp: loaded support on port[0] = 21 [ 66.351790][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 66.423252][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.447302][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.455306][ T8543] device bridge_slave_0 entered promiscuous mode 03:43:59 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f00000017c0)={0x1, 0xe, &(0x7f0000000580)=ANY=[@ANYBLOB="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"], &(0x7f00000001c0)='GPL\x00'}, 0x48) [ 66.467766][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.474889][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.492909][ T8543] device bridge_slave_1 entered promiscuous mode [ 66.514125][ T8546] IPVS: ftp: loaded support on port[0] = 21 [ 66.540807][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.563659][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.623023][ T8543] team0: Port device team_slave_0 added [ 66.668291][ T8543] team0: Port device team_slave_1 added 03:43:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, 0x0) [ 66.713078][ T8546] chnl_net:caif_netlink_parms(): no params data found [ 66.779254][ T8543] device hsr_slave_0 entered promiscuous mode [ 66.867394][ T8543] device hsr_slave_1 entered promiscuous mode 03:43:59 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) socket$xdp(0x2c, 0x3, 0x0) sendmsg$nl_netfilter(r0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$vicodec1(0xffffffffffffff9c, &(0x7f0000000240)='/dev/video37\x00', 0x2, 0x0) socket$kcm(0x2b, 0x1, 0x0) ioctl$VIDIOC_SUBSCRIBE_EVENT(r1, 0x4020565a, &(0x7f0000000080)={0x3}) socket$kcm(0x2b, 0x1, 0x0) ioctl$PIO_FONT(0xffffffffffffffff, 0x4b61, &(0x7f0000000100)="035be5ca41e854e998f15e479bb441d91ea1135f3eacc0eb89cde1374d283d9b7af85461a08af43f910520324308c07113b011c020b325a4944970c7b423f2c963597ce7fbb95b8cc71d57e3333cfd27d4bb7792a849f8c824244e9ed968b39137aa15398c5fbdd483289b637708fa68ad8426acf92fbaa1") dup3(0xffffffffffffffff, r1, 0x0) [ 67.054908][ T8549] IPVS: ftp: loaded support on port[0] = 21 [ 67.075446][ T8551] IPVS: ftp: loaded support on port[0] = 21 [ 67.091304][ T8553] IPVS: ftp: loaded support on port[0] = 21 03:43:59 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000040)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) sendmsg$sock(r0, &(0x7f0000001700)={&(0x7f0000000180)=@nfc={0x27, 0x1}, 0x80, 0x0, 0x0, &(0x7f0000001680)=[@txtime={{0x14}}], 0x14}, 0x0) [ 67.211188][ T8546] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.218686][ T8546] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.226595][ T8546] device bridge_slave_0 entered promiscuous mode [ 67.255126][ T8546] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.263258][ T8546] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.271131][ T8546] device bridge_slave_1 entered promiscuous mode [ 67.299582][ T8543] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.371804][ T8546] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.383991][ T8546] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.398598][ T8543] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.471310][ T8543] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.519737][ T8543] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.606342][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 67.622492][ T8546] team0: Port device team_slave_0 added [ 67.674989][ T8546] team0: Port device team_slave_1 added [ 67.689809][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 67.705342][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 67.789243][ T8546] device hsr_slave_0 entered promiscuous mode [ 67.826858][ T8546] device hsr_slave_1 entered promiscuous mode [ 67.866528][ T8546] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.874283][ T8546] Cannot create hsr debugfs directory [ 67.958463][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 67.967791][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.974840][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.982808][ T8551] device bridge_slave_0 entered promiscuous mode [ 67.993057][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.000168][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.008116][ T8551] device bridge_slave_1 entered promiscuous mode [ 68.016937][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.024039][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.033592][ T8553] device bridge_slave_0 entered promiscuous mode [ 68.065510][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.088482][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.095543][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.103719][ T8553] device bridge_slave_1 entered promiscuous mode [ 68.122798][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.184044][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.206101][ T8551] team0: Port device team_slave_0 added [ 68.214161][ T8551] team0: Port device team_slave_1 added [ 68.220986][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.228769][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.236241][ T8549] device bridge_slave_0 entered promiscuous mode [ 68.244515][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.328005][ T8551] device hsr_slave_0 entered promiscuous mode [ 68.386581][ T8551] device hsr_slave_1 entered promiscuous mode [ 68.436788][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.444378][ T8551] Cannot create hsr debugfs directory [ 68.450213][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.458007][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.465616][ T8549] device bridge_slave_1 entered promiscuous mode [ 68.491213][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 68.509707][ T8553] team0: Port device team_slave_0 added [ 68.524759][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.534204][ T8546] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.589732][ T8553] team0: Port device team_slave_1 added [ 68.600405][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.614430][ T8546] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.673455][ T8546] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.746943][ T8546] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.808835][ T8549] team0: Port device team_slave_0 added [ 68.822705][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.878374][ T8553] device hsr_slave_0 entered promiscuous mode [ 68.916624][ T8553] device hsr_slave_1 entered promiscuous mode [ 68.957268][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.964862][ T8553] Cannot create hsr debugfs directory [ 68.975395][ T8549] team0: Port device team_slave_1 added [ 68.986879][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.993937][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.002736][ T8555] device bridge_slave_0 entered promiscuous mode [ 69.038254][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.046448][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.054560][ T8555] device bridge_slave_1 entered promiscuous mode [ 69.070573][ T8543] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.118151][ T8549] device hsr_slave_0 entered promiscuous mode [ 69.166737][ T8549] device hsr_slave_1 entered promiscuous mode [ 69.216463][ T8549] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.224046][ T8549] Cannot create hsr debugfs directory [ 69.232033][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.240463][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.257813][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.291372][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.300301][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.308982][ T2891] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.316135][ T2891] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.324441][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.333781][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.342206][ T2891] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.349280][ T2891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.360480][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.370815][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.419048][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.426853][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.435173][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.443937][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.452540][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.462649][ T8555] team0: Port device team_slave_0 added [ 69.476157][ T8543] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.487836][ T8543] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.520746][ T8555] team0: Port device team_slave_1 added [ 69.532910][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.541901][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.552458][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.560716][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.569277][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.577941][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.604395][ T8551] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.642333][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.656525][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.663983][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.681998][ T8551] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.769046][ T8555] device hsr_slave_0 entered promiscuous mode [ 69.806827][ T8555] device hsr_slave_1 entered promiscuous mode [ 69.846641][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.854232][ T8555] Cannot create hsr debugfs directory [ 69.863010][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.879662][ T8551] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.912317][ T8551] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.990124][ T8553] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.030833][ T8553] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.099364][ T8546] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.106143][ T8549] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.131167][ T8549] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.181015][ T8549] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.228194][ T8549] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.279020][ T8553] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.319751][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.328491][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.359671][ T8553] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.421696][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.429703][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.464131][ T8543] device veth0_vlan entered promiscuous mode [ 70.475183][ T8546] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.489663][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.498847][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.507940][ T8555] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.571908][ T8555] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.656574][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.664136][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.674443][ T8543] device veth1_vlan entered promiscuous mode [ 70.684404][ T8555] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.728971][ T8555] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.778668][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.790701][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.799316][ T2891] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.806500][ T2891] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.814150][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.823044][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.831365][ T2891] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.838442][ T2891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.847146][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.869324][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.908275][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.917867][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.926170][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.934541][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.942971][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.951679][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.975664][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.989635][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.998656][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.013950][ T8546] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.027091][ T8546] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.043819][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.059650][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.071903][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.082488][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.091148][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.124275][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.136762][ T8553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.147639][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.156149][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.168110][ T2886] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.175158][ T2886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.301884][ T8562] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 176.226274][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.233425][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8549 [ 176.240872][ C0] (detected by 0, t=10503 jiffies, g=6521, q=206) [ 176.247357][ C0] syz-executor.2 R running task 24872 8549 8547 0x0000400a [ 176.255242][ C0] Call Trace: [ 176.258515][ C0] [ 176.261360][ C0] sched_show_task+0x40f/0x560 [ 176.266119][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 176.271416][ C0] update_process_times+0x12d/0x180 [ 176.276617][ C0] tick_sched_timer+0x263/0x420 [ 176.281454][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.286989][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.292200][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.297146][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.302421][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.307956][ C0] apic_timer_interrupt+0xf/0x20 [ 176.312875][ C0] [ 176.315805][ C0] RIP: 0010:free_thread_stack+0x11f/0x590 [ 176.321510][ C0] Code: 3e e8 45 73 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 [ 176.341099][ C0] RSP: 0018:ffffc90001f06eb8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.349494][ C0] RAX: 1ffff11014d4e221 RBX: ffffea000234a540 RCX: ffff888093b7a600 [ 176.357450][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000234a540 [ 176.365408][ C0] RBP: ffffc90001f06ef0 R08: 000000000003a728 R09: fffffbfff124248a [ 176.373366][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a6a711a0 [ 176.381337][ C0] R13: dffffc0000000000 R14: 1ffff11014d4e234 R15: ffff88808fe3f7b8 [ 176.389318][ C0] ? free_thread_stack+0x168/0x590 [ 176.394436][ C0] put_task_stack+0xa3/0x130 [ 176.399014][ C0] finish_task_switch+0x3f1/0x550 [ 176.404033][ C0] __schedule+0x9a8/0xcc0 [ 176.408358][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 176.414150][ C0] preempt_schedule_notrace+0xdb/0x120 [ 176.419596][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 176.425222][ C0] ? rcu_is_watching+0x57/0xa0 [ 176.429972][ C0] rcu_is_watching+0x82/0xa0 [ 176.434550][ C0] rtnl_fill_ifinfo+0x39b3/0x4480 [ 176.439576][ C0] ? __kasan_check_write+0x14/0x20 [ 176.444677][ C0] rtmsg_ifinfo_build_skb+0xda/0x180 [ 176.449959][ C0] rtmsg_ifinfo+0x77/0x120 [ 176.454372][ C0] __dev_notify_flags+0x7c/0x4d0 [ 176.459301][ C0] ? kfree+0x194/0x200 [ 176.463361][ C0] dev_change_flags+0xec/0x190 [ 176.468117][ C0] do_setlink+0xb2e/0x3960 [ 176.472531][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 176.478087][ C0] ? __kasan_check_read+0x11/0x20 [ 176.483121][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 176.487840][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 176.492666][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 176.498028][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 176.503126][ C0] ? rcu_lock_release+0x9/0x30 [ 176.507895][ C0] ? rtnl_setlink+0x490/0x490 [ 176.512565][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 176.517514][ C0] ? rcu_lock_release+0x9/0x30 [ 176.522275][ C0] ? rcu_lock_release+0x9/0x30 [ 176.527035][ C0] ? rcu_lock_release+0x9/0x30 [ 176.531797][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 176.536548][ C0] ? rtnetlink_bind+0x80/0x80 [ 176.541222][ C0] rtnetlink_rcv+0x1c/0x20 [ 176.545632][ C0] netlink_unicast+0x767/0x920 [ 176.550393][ C0] netlink_sendmsg+0xa31/0xd50 [ 176.555151][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 176.560338][ C0] __sys_sendto+0x442/0x5e0 [ 176.564838][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 176.570893][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 176.576605][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.582054][ C0] __x64_sys_sendto+0xe5/0x100 [ 176.586810][ C0] do_syscall_64+0xf7/0x1c0 [ 176.591301][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.597178][ C0] RIP: 0033:0x414c43 [ 176.601082][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 176.620677][ C0] RSP: 002b:00007fff17594528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 176.629343][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 176.637390][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 176.645351][ C0] RBP: 0000000000000000 R08: 00007fff17594530 R09: 000000000000000c [ 176.653309][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.661270][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 176.669428][ C0] rcu: rcu_preempt kthread starved for 10535 jiffies! g6521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.680510][ C0] rcu: RCU grace-period kthread stack dump: [ 176.686398][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.694306][ C0] Call Trace: [ 176.697718][ C0] __schedule+0x9a0/0xcc0 [ 176.702058][ C0] schedule+0x181/0x210 [ 176.706225][ C0] schedule_timeout+0x14f/0x240 [ 176.711073][ C0] ? run_local_timers+0x120/0x120 [ 176.716092][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.720946][ C0] kthread+0x332/0x350 [ 176.725003][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.730106][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.734698][ C0] ret_from_fork+0x24/0x30