[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.491319][ T26] audit: type=1800 audit(1575351980.968:25): pid=8114 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.510408][ T26] audit: type=1800 audit(1575351980.978:26): pid=8114 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.574272][ T26] audit: type=1800 audit(1575351980.978:27): pid=8114 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 '10.128.10.56' (ECDSA) to the list of known hosts. 2019/12/03 05:46:31 fuzzer started 2019/12/03 05:46:33 dialing manager at 10.128.0.26:38907 2019/12/03 05:46:33 syscalls: 2697 2019/12/03 05:46:33 code coverage: enabled 2019/12/03 05:46:33 comparison tracing: enabled 2019/12/03 05:46:33 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:46:33 setuid sandbox: enabled 2019/12/03 05:46:33 namespace sandbox: enabled 2019/12/03 05:46:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:46:33 fault injection: enabled 2019/12/03 05:46:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:46:33 net packet injection: enabled 2019/12/03 05:46:33 net device setup: enabled 2019/12/03 05:46:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:46:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:46:34 executing program 0: write$dsp(0xffffffffffffffff, &(0x7f0000000400)="e929c7af80a85348ae9b77fd", 0xc) r0 = memfd_create(&(0x7f0000000200)='queue1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\t\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x20a81) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000000340)={0x0, 0x0, 0x0, 'pue\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\t\x00\'\x95\x00\xc3D\xf4\x8b\x00'}) write$P9_RLINK(r2, &(0x7f0000000280)={0x7}, 0x269) 05:46:34 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000003c0)='/dev/sg#\x00', 0x0, 0x0) unshare(0x20600) ioctl$SG_SET_DEBUG(r0, 0x227c, &(0x7f00000000c0)) syzkaller login: [ 58.135553][ T8277] IPVS: ftp: loaded support on port[0] = 21 [ 58.168871][ T8279] IPVS: ftp: loaded support on port[0] = 21 05:46:34 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 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) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x0, 0x0) r0 = socket$xdp(0x2c, 0x3, 0x0) getsockopt$XDP_MMAP_OFFSETS(r0, 0x11b, 0x1, 0x0, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, 0x0}, 0x0) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000000080)=0x2657, 0x4) [ 58.298521][ T8277] chnl_net:caif_netlink_parms(): no params data found [ 58.420147][ T8279] chnl_net:caif_netlink_parms(): no params data found [ 58.431601][ T8277] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.439960][ T8277] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.449103][ T8277] device bridge_slave_0 entered promiscuous mode [ 58.480093][ T8277] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.488788][ T8277] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.499147][ T8277] device bridge_slave_1 entered promiscuous mode [ 58.538187][ T8279] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.545408][ T8279] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.553351][ T8279] device bridge_slave_0 entered promiscuous mode [ 58.564333][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.571477][ T8279] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.582095][ T8279] device bridge_slave_1 entered promiscuous mode [ 58.599105][ T8277] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.631594][ T8279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.643597][ T8283] IPVS: ftp: loaded support on port[0] = 21 05:46:35 executing program 3: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) ptrace$setsig(0x4203, 0x0, 0x0, &(0x7f00000002c0)={0x0, 0x1}) write(0xffffffffffffffff, &(0x7f0000000040)="0f42", 0x2) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000580)=""/143, &(0x7f0000000340)=0xfee5) openat$null(0xffffffffffffff9c, &(0x7f0000000440)='/dev/null\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x1, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0xfb, 0x0, 0x0, 0x0, 0x400000000000000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) sendmsg$IPVS_CMD_DEL_DEST(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0], 0x1}}, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.656544][ T8277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.671049][ T8279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.731497][ T8279] team0: Port device team_slave_0 added [ 58.756842][ T8279] team0: Port device team_slave_1 added [ 58.764893][ T8277] team0: Port device team_slave_0 added [ 58.787247][ T8277] team0: Port device team_slave_1 added 05:46:35 executing program 4: ioctl$BLKRRPART(0xffffffffffffffff, 0x125f, 0x0) ioctl$IOC_PR_RELEASE(0xffffffffffffffff, 0x401070ca, 0x0) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 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, 0x10, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 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 = creat(0x0, 0x0) close(r0) accept4$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x0, 0x4, &(0x7f0000000180)) creat(&(0x7f0000000700)='./bus\x00', 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(0xffffffffffffffff, 0x0, 0x80, &(0x7f0000000000)=@filter={'filter\x00', 0xe, 0x1, 0x15, [0x0, 0x20000100, 0x20000130, 0x20000160], 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="0000000000002a7b00000000000000000000000003"]}, 0x8d) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$audio(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/audio\x00', 0x80000042801, 0x0) r2 = dup(r1) r3 = dup3(r2, r1, 0x0) setsockopt$IPT_SO_SET_REPLACE(r3, 0x500000000000000, 0x40, &(0x7f00000000c0)=ANY=[], 0x0) [ 58.967025][ T8279] device hsr_slave_0 entered promiscuous mode [ 58.994316][ T8279] device hsr_slave_1 entered promiscuous mode 05:46:35 executing program 5: r0 = creat(&(0x7f0000000180)='./bus\x00', 0x0) r1 = open(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) write$binfmt_elf64(r0, &(0x7f00000000c0)=ANY=[@ANYPTR], 0x8) lsetxattr$security_ima(&(0x7f0000000140)='./bus\x00', &(0x7f0000000080)='security.ima\x00', &(0x7f00000001c0)=@ng={0x4, 0x11}, 0x2, 0x0) dup3(r1, r0, 0x0) finit_module(r1, 0x0, 0x0) [ 59.146524][ T8277] device hsr_slave_0 entered promiscuous mode [ 59.186684][ T8277] device hsr_slave_1 entered promiscuous mode [ 59.243881][ T8277] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.266266][ T8287] IPVS: ftp: loaded support on port[0] = 21 [ 59.281761][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 59.339329][ T8283] chnl_net:caif_netlink_parms(): no params data found [ 59.370082][ T8277] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.419016][ T8277] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.467667][ T8277] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.567491][ T8277] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.639057][ T8279] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.695690][ T8279] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.704701][ T8290] IPVS: ftp: loaded support on port[0] = 21 [ 59.741505][ T8279] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.807469][ T8279] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.897856][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.905501][ T8283] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.917208][ T8283] device bridge_slave_0 entered promiscuous mode [ 59.927669][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.935467][ T8283] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.943227][ T8283] device bridge_slave_1 entered promiscuous mode [ 59.985959][ T8283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.024300][ T8283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.070392][ T8283] team0: Port device team_slave_0 added [ 60.077837][ T8283] team0: Port device team_slave_1 added [ 60.114648][ T8287] chnl_net:caif_netlink_parms(): no params data found [ 60.236998][ T8283] device hsr_slave_0 entered promiscuous mode [ 60.294259][ T8283] device hsr_slave_1 entered promiscuous mode [ 60.363909][ T8283] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.380401][ T8279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.398240][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.406042][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.414249][ T8287] device bridge_slave_0 entered promiscuous mode [ 60.427100][ T8285] chnl_net:caif_netlink_parms(): no params data found [ 60.450639][ T8279] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.461657][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.469270][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.477568][ T8287] device bridge_slave_1 entered promiscuous mode [ 60.513248][ T8290] chnl_net:caif_netlink_parms(): no params data found [ 60.531732][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.542449][ T3891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.577925][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.611697][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.620868][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.629792][ T3869] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.637402][ T3869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.647174][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.663475][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.671184][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.679344][ T8285] device bridge_slave_0 entered promiscuous mode [ 60.690302][ T8277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.702099][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.710171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.719485][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.728629][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.735748][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.755700][ T8283] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.815511][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.822602][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.833539][ T8285] device bridge_slave_1 entered promiscuous mode [ 60.851883][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.862437][ T8290] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.870032][ T8290] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.878749][ T8290] device bridge_slave_0 entered promiscuous mode [ 60.891777][ T8290] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.899207][ T8290] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.907475][ T8290] device bridge_slave_1 entered promiscuous mode [ 60.914448][ T8283] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.969095][ T8283] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.026147][ T8283] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.066575][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.089472][ T8287] team0: Port device team_slave_0 added [ 61.103177][ T8287] team0: Port device team_slave_1 added [ 61.111425][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.131971][ T8277] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.144615][ T8285] team0: Port device team_slave_0 added [ 61.160355][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.169741][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.177762][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.185889][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.194794][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.286844][ T8287] device hsr_slave_0 entered promiscuous mode [ 61.314201][ T8287] device hsr_slave_1 entered promiscuous mode [ 61.373935][ T8287] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.382658][ T8285] team0: Port device team_slave_1 added [ 61.390086][ T8290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.401040][ T8290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.411940][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.420086][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.428771][ T2594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.438556][ T2594] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.445809][ T2594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.506208][ T8285] device hsr_slave_0 entered promiscuous mode [ 61.534109][ T8285] device hsr_slave_1 entered promiscuous mode [ 61.583853][ T8285] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.593100][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.601980][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.610726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.619092][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.626201][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.634892][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.644001][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.684250][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.693052][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.703520][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.712555][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.721330][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.729762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.738014][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.746783][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.755320][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.763576][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.781612][ T8290] team0: Port device team_slave_0 added [ 61.793902][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.801732][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.812045][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.821605][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.830063][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.842438][ T8290] team0: Port device team_slave_1 added [ 61.850190][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.864025][ T8277] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.876650][ T8287] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.896751][ T8287] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.968405][ T8287] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.040886][ T8283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.077136][ T8290] device hsr_slave_0 entered promiscuous mode [ 62.114162][ T8290] device hsr_slave_1 entered promiscuous mode [ 62.164090][ T8290] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.180433][ T8287] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.241494][ T8283] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.249033][ T8285] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.308404][ T8285] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.376017][ T8277] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.388114][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.396527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.404602][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.412042][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.428792][ T8285] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.491662][ T8279] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.514803][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.524259][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.532701][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.539782][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.548162][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.557559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.566301][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.573341][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.581109][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.589281][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.597335][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.610886][ T8285] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.702913][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.713545][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.730591][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.740163][ T3869] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.761414][ T8283] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.779533][ T8283] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.793232][ T8290] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 167.763688][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.770750][ C0] rcu: 0-...!: (10499 ticks this GP) idle=362/1/0x4000000000000002 softirq=10829/10829 fqs=40 [ 167.782465][ C0] (t=10501 jiffies g=6445 q=122) [ 167.787676][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.798915][ C0] rcu: RCU grace-period kthread stack dump: [ 167.804892][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.813005][ C0] Call Trace: [ 167.816498][ C0] __schedule+0x9a0/0xcc0 [ 167.821217][ C0] schedule+0x181/0x210 [ 167.825384][ C0] schedule_timeout+0x14f/0x240 [ 167.830394][ C0] ? run_local_timers+0x120/0x120 [ 167.835429][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.840211][ C0] kthread+0x332/0x350 [ 167.844320][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.849482][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.854081][ C0] ret_from_fork+0x24/0x30 [ 167.858719][ C0] NMI backtrace for cpu 0 [ 167.863312][ C0] CPU: 0 PID: 8299 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 167.871585][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.881736][ C0] Call Trace: [ 167.885145][ C0] [ 167.888002][ C0] dump_stack+0x1fb/0x318 [ 167.892331][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.897180][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.903894][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.909969][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.916090][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.921983][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.927104][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.932452][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.937491][ C0] update_process_times+0x12d/0x180 [ 167.942771][ C0] tick_sched_timer+0x263/0x420 [ 167.947742][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.953500][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.958823][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.964159][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.969459][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.975096][ C0] apic_timer_interrupt+0xf/0x20 [ 167.980039][ C0] [ 167.982980][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 167.988693][ C0] Code: 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.009361][ C0] RSP: 0018:ffffc90002607e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.019030][ C0] RAX: 1ffff11012b49971 RBX: ffff888095a4cb88 RCX: 0000000000000000 [ 168.027222][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029b8a00 [ 168.035399][ C0] RBP: ffffc90002607e78 R08: 000000000003a768 R09: ffffed10151ce6af [ 168.043537][ C0] R10: ffffed10151ce6af R11: 0000000000000000 R12: ffff888095a4cc20 [ 168.051818][ C0] R13: dffffc0000000000 R14: 1ffff11012b49984 R15: ffff8880a8e73568 [ 168.060341][ C0] put_task_stack+0xa3/0x130 [ 168.065035][ C0] finish_task_switch+0x3f1/0x550 [ 168.070347][ C0] schedule_tail+0x20/0x1a0 [ 168.074857][ C0] ret_from_fork+0x8/0x30 [ 168.079289][ C0] RIP: 0033:0x45d049 [ 168.083358][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 168.103349][ C0] RSP: 002b:00007fe28bf18db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 168.112282][ C0] RAX: 0000000000000000 RBX: 00007fe28bf19700 RCX: 000000000045d049 [ 168.120265][ C0] RDX: 00007fe28bf199d0 RSI: 00007fe28bf18db0 RDI: 00000000003d0f00 [ 168.128426][ C0] RBP: 00007ffff23923b0 R08: 00007fe28bf19700 R09: 00007fe28bf19700 [ 168.136531][ C0] R10: 00007fe28bf199d0 R11: 0000000000000202 R12: 0000000000000000 [ 168.144597][ C0] R13: 00007ffff239224f R14: 00007fe28bf199c0 R15: 000000000075bf2c