[ 41.277740][ T23] audit: type=1800 audit(1575341614.812:27): pid=7971 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.321726][ T23] audit: type=1800 audit(1575341614.812:28): pid=7971 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. [ 41.579374][ T8037] sshd (8037) used greatest stack depth: 24000 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.824487][ T23] audit: type=1800 audit(1575341615.412:29): pid=7971 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. 2019/12/03 02:53:45 fuzzer started 2019/12/03 02:53:46 dialing manager at 10.128.0.26:38907 2019/12/03 02:53:46 syscalls: 2697 2019/12/03 02:53:46 code coverage: enabled 2019/12/03 02:53:46 comparison tracing: enabled 2019/12/03 02:53:46 extra coverage: extra coverage is not supported by the kernel 2019/12/03 02:53:46 setuid sandbox: enabled 2019/12/03 02:53:46 namespace sandbox: enabled 2019/12/03 02:53:46 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 02:53:46 fault injection: enabled 2019/12/03 02:53:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 02:53:46 net packet injection: enabled 2019/12/03 02:53:46 net device setup: enabled 2019/12/03 02:53:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 02:53:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:53:47 executing program 0: socketpair(0x1, 0x2000000003, 0x0, &(0x7f00000005c0)={0xffffffffffffffff}) sendmsg$key(0xffffffffffffffff, &(0x7f0000000000)={0x500, 0x0, &(0x7f0000000140)={0x0}}, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89f2, &(0x7f0000000000)='ip6gre0\x00') 02:53:48 executing program 1: syz_emit_ethernet(0x32, &(0x7f0000000240)={@local, @link_local, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x16, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "ec9c56", 0x0, "edde92"}}}}}}, 0x0) syzkaller login: [ 54.547587][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 54.669394][ T8136] IPVS: ftp: loaded support on port[0] = 21 02:53:48 executing program 2: syz_mount_image$minix(&(0x7f0000000080)='minix\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) [ 54.727174][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 54.802273][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.811928][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.822072][ T8134] device bridge_slave_0 entered promiscuous mode [ 54.860344][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.867426][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.880563][ T8134] device bridge_slave_1 entered promiscuous mode [ 54.925741][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 54.951500][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.972413][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:53:48 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)="580000001400ad", 0x7}], 0x1) write$binfmt_elf64(r1, &(0x7f00000003c0)=ANY=[@ANYBLOB="d6ff583e755cb6cbe90f054299b1a58e73ba5f577ef26ae5723b74d624e5b99da322bd3cfd53ca29f119de28737de6bef2d48b042404bb447561344bc7016dc0b91cc9dd1c1f3b9bb59fb9a01b9cd2511ef404ad61692ed2270b79aba8666a89b6ff155a01193377dd4d01893a7fba424460763f2b83bb2241beac40a7d4d85bc9719ccef11909ceb4066e3229ba467c226963d0577d768e17505db32b5af505fc2a2f6dc2"], 0xa) close(r2) r3 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r3, 0x10e, 0xc, &(0x7f0000000040)={0x7ff}, 0x10) write(0xffffffffffffffff, &(0x7f0000000180)="2000008012005fffff0000550214f9f407", 0x11) writev(r1, &(0x7f0000000600)=[{&(0x7f0000000380)="f98ac693ce6908", 0x7}], 0x1) accept4$packet(0xffffffffffffffff, &(0x7f0000000080)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000180)=0x1d5, 0x0) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0xfef0) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) [ 55.017642][ T8140] IPVS: ftp: loaded support on port[0] = 21 [ 55.050176][ T8134] team0: Port device team_slave_0 added [ 55.064190][ T8134] team0: Port device team_slave_1 added [ 55.087787][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.096303][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.105230][ T8136] device bridge_slave_0 entered promiscuous mode [ 55.140865][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.147956][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.159986][ T8136] device bridge_slave_1 entered promiscuous mode 02:53:48 executing program 4: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000580)={{0xeb9f, 0x2, 0x0, 0x18, 0x0, 0x0, 0x0, 0x2}}, &(0x7f0000000700)=""/198, 0x1a, 0xc6, 0x1}, 0x20) [ 55.221000][ T8134] device hsr_slave_0 entered promiscuous mode [ 55.290132][ T8134] device hsr_slave_1 entered promiscuous mode [ 55.380981][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 55.427310][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:53:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000480)={0x2, 0x70, 0xb9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000180)={[{0x0, 0x6a1e, 0x0, 0x0, 0xbc, 0x0, 0x0, 0x1, 0x0, 0xee, 0xa1, 0x0, 0x7fffffff}, {0x0, 0x0, 0x0, 0xc7, 0x1, 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x1f}, {0x0, 0x0, 0x82, 0x0, 0x0, 0xac, 0x7, 0x0, 0x0, 0x1f}], 0x9}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(0xffffffffffffffff, 0x400c6615, 0x0) syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r0 = memfd_create(&(0x7f0000000240)='.^\x00', 0x0) init_module(&(0x7f0000000280)='&cpuset[(eth0^\\-proccpuset\')/\x00', 0x1e, &(0x7f0000000400)='/dev/loop#\x00') ioctl$KVM_SET_NR_MMU_PAGES(0xffffffffffffffff, 0xae44, 0x174e) bpf$MAP_DELETE_ELEM(0x3, 0x0, 0x0) pwritev(0xffffffffffffffff, 0x0, 0x0, 0x81805) perf_event_open$cgroup(&(0x7f0000000380)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_ASSIGN_SET_INTX_MASK(0xffffffffffffffff, 0x4040aea4, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cf\xe3gro\xff\xff\xff\xff\xc2\xb0', 0x1ff) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, r0) ftruncate(0xffffffffffffffff, 0x208200) dup(0xffffffffffffffff) r1 = socket$nl_route(0x10, 0x3, 0x0) pipe(&(0x7f0000000300)) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="7800000010003b0e00"/20, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00', @ANYRES32, @ANYBLOB="500012000c000100697069700000000040000200080092000100000008000900040000000800140005000000040013000800050009000000080034000180000008000400060000000800090004000000"], 0x78}}, 0x0) [ 55.493670][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.528524][ T8140] chnl_net:caif_netlink_parms(): no params data found [ 55.562115][ T8134] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.623394][ T8134] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.663308][ T8134] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.721071][ T8134] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.773672][ T8136] team0: Port device team_slave_0 added [ 55.780819][ T8136] team0: Port device team_slave_1 added [ 55.807504][ T8147] IPVS: ftp: loaded support on port[0] = 21 [ 55.851740][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 55.865499][ T8146] IPVS: ftp: loaded support on port[0] = 21 [ 55.939682][ T8136] device hsr_slave_0 entered promiscuous mode [ 55.998325][ T8136] device hsr_slave_1 entered promiscuous mode [ 56.058382][ T8136] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.081127][ T8140] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.090514][ T8140] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.098684][ T8140] device bridge_slave_0 entered promiscuous mode [ 56.107449][ T8140] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.114797][ T8140] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.122606][ T8140] device bridge_slave_1 entered promiscuous mode [ 56.185614][ T8140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.205676][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.212951][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.220900][ T8142] device bridge_slave_0 entered promiscuous mode [ 56.235158][ T8136] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.291031][ T8140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.305965][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.313395][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.321252][ T8142] device bridge_slave_1 entered promiscuous mode [ 56.338070][ T8136] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.402027][ T8136] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.465219][ T8136] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.524619][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.540420][ T8140] team0: Port device team_slave_0 added [ 56.548591][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.557414][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.579584][ T8140] team0: Port device team_slave_1 added [ 56.586850][ T8142] team0: Port device team_slave_0 added [ 56.595912][ T8142] team0: Port device team_slave_1 added [ 56.661169][ T8142] device hsr_slave_0 entered promiscuous mode [ 56.718728][ T8142] device hsr_slave_1 entered promiscuous mode [ 56.758164][ T8142] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.780684][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.806733][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.815324][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.901087][ T8140] device hsr_slave_0 entered promiscuous mode [ 56.938788][ T8140] device hsr_slave_1 entered promiscuous mode [ 56.978231][ T8140] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.988203][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.999982][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.008527][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.015705][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.027265][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 57.060666][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.070294][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.078892][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.087134][ T2706] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.094207][ T2706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.103322][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.111844][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.171088][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.178521][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.186252][ T8146] device bridge_slave_0 entered promiscuous mode [ 57.205379][ T8147] chnl_net:caif_netlink_parms(): no params data found [ 57.219141][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.226290][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.234296][ T8146] device bridge_slave_1 entered promiscuous mode [ 57.253604][ T8142] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.302301][ T8142] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.356070][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.366216][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.375593][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.384898][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.403205][ T8142] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.440478][ T8142] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.487097][ T8140] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.531090][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.562645][ T8136] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.569644][ T8140] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.600592][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.609134][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.617891][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.626376][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.634881][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.644050][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.663391][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.675595][ T8140] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.723504][ T8140] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.779737][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.786826][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.795545][ T8147] device bridge_slave_0 entered promiscuous mode [ 57.805790][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.813431][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.821530][ T8147] device bridge_slave_1 entered promiscuous mode [ 57.837290][ T8136] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.847383][ T8146] team0: Port device team_slave_0 added [ 57.854788][ T8146] team0: Port device team_slave_1 added [ 57.864137][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.872291][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.880083][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.887489][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.906934][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.941461][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.950794][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.959457][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.966514][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.975433][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.984069][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.992529][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.999627][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.007204][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.016829][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.081107][ T8146] device hsr_slave_0 entered promiscuous mode [ 58.128701][ T8146] device hsr_slave_1 entered promiscuous mode [ 58.178229][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.191299][ T8134] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.206186][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.215490][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.252006][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.262156][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.270933][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.279629][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.288247][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.323882][ T8147] team0: Port device team_slave_0 added [ 58.345520][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.354736][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.374939][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.383776][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.419193][ T8146] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 163.387975][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.394742][ C1] rcu: 1-...!: (1 GPs behind) idle=7aa/1/0x4000000000000002 softirq=11013/11014 fqs=40 [ 163.404684][ C1] (t=10501 jiffies g=5985 q=131) [ 163.409698][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g5985 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.420773][ C1] rcu: RCU grace-period kthread stack dump: [ 163.426645][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.434531][ C1] Call Trace: [ 163.437814][ C1] __schedule+0x9a0/0xcc0 [ 163.442138][ C1] schedule+0x181/0x210 [ 163.446281][ C1] schedule_timeout+0x14f/0x240 [ 163.451119][ C1] ? run_local_timers+0x120/0x120 [ 163.456146][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.460928][ C1] kthread+0x332/0x350 [ 163.464992][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.470090][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.474705][ C1] ret_from_fork+0x24/0x30 [ 163.479129][ C1] NMI backtrace for cpu 1 [ 163.483450][ C1] CPU: 1 PID: 8157 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 163.491670][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.501729][ C1] Call Trace: [ 163.505006][ C1] [ 163.507850][ C1] dump_stack+0x1fb/0x318 [ 163.512167][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.517007][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.523153][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.529204][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.535176][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.541053][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.546172][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.551358][ C1] ? trace_hardirqs_off+0x74/0x80 [ 163.556372][ C1] update_process_times+0x12d/0x180 [ 163.561556][ C1] tick_sched_timer+0x263/0x420 [ 163.566390][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.571922][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.577129][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.582068][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.587352][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.592885][ C1] apic_timer_interrupt+0xf/0x20 [ 163.597801][ C1] [ 163.600726][ C1] RIP: 0010:__memcg_kmem_uncharge+0x38/0x2e0 [ 163.606690][ C1] Code: 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff <4d> 8b 3e b8 01 00 00 00 89 d9 d3 e0 4d 85 ff 0f 84 bf 01 00 00 4c [ 163.626274][ C1] RSP: 0018:ffffc900025779b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.634675][ C1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000040000 [ 163.642648][ C1] RDX: ffffc90001e59000 RSI: 0000000000000000 RDI: ffffea0002a07480 [ 163.650603][ C1] RBP: ffffc900025779e0 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.658644][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002a07480 [ 163.666599][ C1] R13: 1ffffd4000540e97 R14: ffffea0002a074b8 R15: ffff88808ff8d8e8 [ 163.674587][ C1] ? free_thread_stack+0x124/0x590 [ 163.679682][ C1] free_thread_stack+0x12e/0x590 [ 163.684605][ C1] put_task_stack+0xa3/0x130 [ 163.689179][ C1] finish_task_switch+0x3f1/0x550 [ 163.694194][ C1] __schedule+0x9a8/0xcc0 [ 163.698515][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.703787][ C1] schedule+0x181/0x210 [ 163.707927][ C1] schedule_preempt_disabled+0x13/0x20 [ 163.713380][ C1] mutex_optimistic_spin+0x445/0x480 [ 163.718656][ C1] __mutex_lock_common+0x2e7/0x2e10 [ 163.723840][ C1] ? rtnl_lock+0x17/0x20 [ 163.728084][ C1] mutex_lock_nested+0x1b/0x30 [ 163.732833][ C1] rtnl_lock+0x17/0x20 [ 163.736885][ C1] dev_ioctl+0x5cb/0xcd0 [ 163.741115][ C1] sock_ioctl+0x5d3/0x690 [ 163.745466][ C1] ? sock_poll+0x310/0x310 [ 163.749888][ C1] do_vfs_ioctl+0x744/0x1730 [ 163.754466][ C1] ? __fget+0x471/0x510 [ 163.758616][ C1] ? tomoyo_file_ioctl+0x23/0x30 [ 163.763547][ C1] ? security_file_ioctl+0xa1/0xd0 [ 163.768648][ C1] __x64_sys_ioctl+0xe3/0x120 [ 163.773313][ C1] do_syscall_64+0xf7/0x1c0 [ 163.777808][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.783687][ C1] RIP: 0033:0x45a679 [ 163.787568][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 163.807163][ C1] RSP: 002b:00007f6bbb135c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 163.815574][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 163.823545][ C1] RDX: 0000000020000000 RSI: 00000000000089f2 RDI: 0000000000000003 [ 163.831507][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 163.839464][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6bbb1366d4 [ 163.847429][ C1] R13: 00000000004cf9d0 R14: 00000000004d9c20 R15: 00000000ffffffff