[ 40.736928][ T25] audit: type=1800 audit(1575415292.391:27): pid=7904 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.763314][ T25] audit: type=1800 audit(1575415292.391:28): pid=7904 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.331306][ T25] audit: type=1800 audit(1575415293.051:29): pid=7904 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.351168][ T25] audit: type=1800 audit(1575415293.061:30): pid=7904 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. 2019/12/03 23:21:43 fuzzer started 2019/12/03 23:21:44 dialing manager at 10.128.0.26:42111 2019/12/03 23:21:44 syscalls: 2689 2019/12/03 23:21:44 code coverage: enabled 2019/12/03 23:21:44 comparison tracing: enabled 2019/12/03 23:21:44 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:21:44 setuid sandbox: enabled 2019/12/03 23:21:44 namespace sandbox: enabled 2019/12/03 23:21:44 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:21:44 fault injection: enabled 2019/12/03 23:21:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:21:44 net packet injection: enabled 2019/12/03 23:21:44 net device setup: enabled 2019/12/03 23:21:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:21:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:21:45 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) socket$inet6(0xa, 0x1, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000240)=[{&(0x7f0000010000)="eb3c906d6b66732e66617400020401ed01000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000100)='./file0\x00', 0x0) write$cgroup_type(r1, &(0x7f00000009c0)='threaded\x00', 0x76656f) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, 0x0) open(0x0, 0x141042, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0xffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_NEW_CTX(0xffffffffffffffff, 0x40086425, 0x0) io_setup(0x4, &(0x7f0000000180)=0x0) io_submit(r3, 0x732, &(0x7f0000000540)=[&(0x7f00000000c0)={0x900000000000010, 0xc00000000000000, 0x80000000000000, 0x1, 0x0, r2, &(0x7f0000000000), 0x377140be6b5ef4c7}]) openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) listen(0xffffffffffffffff, 0x10001) r4 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r4, 0x84, 0x6b, &(0x7f000055bfe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) 23:21:45 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x8, 0x4, &(0x7f0000346fc8)=@framed={{0x18, 0x0, 0x0, 0x0, 0x2}, [@alu={0x8000000201a7fe3, 0x0, 0x200003e6, 0x61, 0x0, 0x20}]}, &(0x7f0000000000)='(9+\xee\xe4\xfc\x7f\xf7\x8f\xe8\xc4E\x1c \x03\xa1V\tO<\xa0\xf4\xbc\x8cg_[\xe6\x0f\x8bq\xce?\x92[\xeds\xe1)\xd8\xd3\xeae~\aKp\xc7\xb6o\xe4\xbf\x9b~\xff\xfd;\x12\\\x03\xb0z6\xeeY\xae\xd4\xa8\xf51\xe1\x89H\\F7\x04', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x4301, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x45) syzkaller login: [ 54.142288][ T8071] IPVS: ftp: loaded support on port[0] = 21 23:21:46 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000100029ff7f00000000000000030000000ea23ea7a9b0b0fce0675784c67bf351078b3045b39810046f5f999c5f2cc3db5499454bf40379ed4cf46cf8c7dd8a7725d09b43d58fe6a69ca9d04f7cf46b75b223fc9aad991ace9275b4dccf3181ea56edaaf5db94d68e5b954498d3e6063cf001d84da984a53b1fecf857adf2b992db2c7694a3a816edbf8dd97f99ca895a387c9638341b801e99b2803a5d1c11c0a7d800"/180], 0x14}}, 0x0) recvmmsg(r0, &(0x7f0000008e00)=[{{0x0, 0x0, &(0x7f0000001840)=[{&(0x7f0000000440)=""/4096, 0x1000}, {&(0x7f0000001440)=""/59, 0x3b}, {&(0x7f0000001480)=""/223, 0xdf}, {&(0x7f0000001580)=""/27, 0x1b}, {&(0x7f00000015c0)=""/70, 0x46}, {&(0x7f0000001740)=""/244, 0xf4}], 0x6}}], 0x1, 0x0, 0x0) [ 54.280675][ T8073] IPVS: ftp: loaded support on port[0] = 21 [ 54.337074][ T8071] chnl_net:caif_netlink_parms(): no params data found [ 54.470376][ T8071] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.478824][ T8071] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.488973][ T8071] device bridge_slave_0 entered promiscuous mode [ 54.510007][ T8071] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.518301][ T8071] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.527279][ T8071] device bridge_slave_1 entered promiscuous mode [ 54.548341][ T8073] chnl_net:caif_netlink_parms(): no params data found 23:21:46 executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='fuse\x00', 0x0, &(0x7f0000000400)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) write$FUSE_NOTIFY_INVAL_INODE(r0, &(0x7f0000000180)={0x28, 0x2, 0x0, {0x1, 0x8000000000000000}}, 0x28) [ 54.567056][ T8077] IPVS: ftp: loaded support on port[0] = 21 [ 54.573889][ T8071] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.608177][ T8071] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.678062][ T8071] team0: Port device team_slave_0 added [ 54.686480][ T8073] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.713327][ T8073] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.721314][ T8073] device bridge_slave_0 entered promiscuous mode [ 54.736113][ T8071] team0: Port device team_slave_1 added [ 54.752412][ T8073] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.760923][ T8073] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.770779][ T8073] device bridge_slave_1 entered promiscuous mode 23:21:46 executing program 4: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000180)=""/246) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r1, 0xc004743e, &(0x7f0000000180)=""/246) [ 54.886100][ T8071] device hsr_slave_0 entered promiscuous mode [ 54.943557][ T8071] device hsr_slave_1 entered promiscuous mode [ 55.040910][ T8073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.055184][ T8073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.078608][ T8079] IPVS: ftp: loaded support on port[0] = 21 23:21:46 executing program 5: lsetxattr$trusted_overlay_opaque(0x0, 0x0, 0x0, 0xfffffffffffffc88, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x4, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x7940000000000, 0x400000000000000}, 0x1010, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setattr(0x0, 0x0, 0x0) fremovexattr(r0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$SO_RDS_TRANSPORT(0xffffffffffffffff, 0x114, 0x8, &(0x7f0000000040), 0x4) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x32a) connect$inet(r2, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f0000000200)=0x2, 0x4) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f00000000c0)=[@mss, @timestamp, @window, @sack_perm], 0x20000000000003af) sendmmsg(r2, &(0x7f0000000180)=[{{0x0, 0xab, &(0x7f00000011c0), 0x327}}], 0x1, 0x44080) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f0000000040)=0x1, 0x4) sendmsg$IPVS_CMD_GET_DEST(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB="0674155d3139926c99a252f6830315d017e1b7b308b1663207fef993e843c90500000000000002889177b3fdbbc0385c875760f22ce73f07e07b78f0b9c6877d4df38f674c55bd4700e0f12ac74dad448c1f38350700"/98], 0x1}}, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r2, 0x6, 0x13, &(0x7f0000000100), 0x618) close(r2) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r3, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x32a) connect$inet(r3, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r3, 0x6, 0x14, &(0x7f0000000200)=0x2, 0x4) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f00000000c0)=[@mss, @timestamp, @window, @sack_perm], 0x20000000000003af) sendmmsg(r3, &(0x7f0000004b40)=[{{0x0, 0x0, &(0x7f00000011c0)=[{&(0x7f0000002240)='Y', 0x1}], 0x1}}], 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r3, 0x6, 0x14, &(0x7f0000000040)=0x1, 0x4) sendmsg$IPVS_CMD_GET_DEST(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYRESDEC], 0x1}, 0x1, 0x0, 0x0, 0x10}, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r3, 0x6, 0x13, &(0x7f0000000100), 0x618) close(r3) ioctl$FICLONE(r2, 0x40049409, r3) bind$pptp(0xffffffffffffffff, &(0x7f00000001c0)={0x18, 0x2, {0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}}, 0x1e) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0xf0ffffff, &(0x7f0000000040)={&(0x7f0000000000)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_PROTO_DOWN={0x8, 0x4}]}, 0x30}}, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') [ 55.098117][ T8081] IPVS: ftp: loaded support on port[0] = 21 [ 55.118391][ T8077] chnl_net:caif_netlink_parms(): no params data found [ 55.136511][ T8073] team0: Port device team_slave_0 added [ 55.158552][ T8073] team0: Port device team_slave_1 added [ 55.245260][ T8071] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.319526][ T8071] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.385147][ T8077] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.392344][ T8077] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.400302][ T8077] device bridge_slave_0 entered promiscuous mode [ 55.410053][ T8077] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.418026][ T8077] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.426130][ T8077] device bridge_slave_1 entered promiscuous mode [ 55.485870][ T8073] device hsr_slave_0 entered promiscuous mode [ 55.523608][ T8073] device hsr_slave_1 entered promiscuous mode [ 55.563390][ T8073] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.576471][ T8071] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.637244][ T8071] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.692110][ T8084] IPVS: ftp: loaded support on port[0] = 21 [ 55.710462][ T8077] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.724586][ T8077] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.780631][ T8077] team0: Port device team_slave_0 added [ 55.807559][ T8077] team0: Port device team_slave_1 added [ 55.822532][ T8073] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.867833][ T8073] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.955062][ T8077] device hsr_slave_0 entered promiscuous mode [ 56.003591][ T8077] device hsr_slave_1 entered promiscuous mode [ 56.043301][ T8077] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.076188][ T8073] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.118604][ T8073] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.205623][ T8077] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.237196][ T8077] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.314162][ T8079] chnl_net:caif_netlink_parms(): no params data found [ 56.325094][ T8071] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.336456][ T8077] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.386419][ T8077] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.465755][ T8081] chnl_net:caif_netlink_parms(): no params data found [ 56.562915][ T8071] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.578137][ T8079] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.585883][ T8079] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.593795][ T8079] device bridge_slave_0 entered promiscuous mode [ 56.607549][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.615944][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.629020][ T8081] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.636386][ T8081] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.646397][ T8081] device bridge_slave_0 entered promiscuous mode [ 56.669493][ T8084] chnl_net:caif_netlink_parms(): no params data found [ 56.678251][ T8079] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.685992][ T8079] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.693842][ T8079] device bridge_slave_1 entered promiscuous mode [ 56.703741][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.712184][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.721137][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.728351][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.737172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.746940][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.755657][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.762678][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.770301][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.779099][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.787845][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.796290][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.805115][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.814945][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.823473][ T8081] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.830519][ T8081] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.839448][ T8081] device bridge_slave_1 entered promiscuous mode [ 56.863520][ T8071] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.875507][ T8071] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.888607][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.897497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.905414][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.916652][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.925909][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.934728][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.943104][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.961358][ T8079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.996769][ T8081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.009877][ T8079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.031750][ T8079] team0: Port device team_slave_0 added [ 57.042962][ T8073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.050179][ T8084] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.061205][ T8084] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.068963][ T8084] device bridge_slave_0 entered promiscuous mode [ 57.077971][ T8081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.097444][ T8079] team0: Port device team_slave_1 added [ 57.116187][ T8084] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.125191][ T8084] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.132789][ T8084] device bridge_slave_1 entered promiscuous mode [ 57.150955][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.158504][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.166375][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.174071][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.188852][ T8073] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.235960][ T8079] device hsr_slave_0 entered promiscuous mode [ 57.283694][ T8079] device hsr_slave_1 entered promiscuous mode [ 57.323801][ T8079] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.348197][ T8071] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.360115][ T8081] team0: Port device team_slave_0 added [ 57.370151][ T8081] team0: Port device team_slave_1 added [ 57.379761][ T8084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.391577][ T8084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.435472][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.444956][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.453702][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.460797][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.486191][ T8077] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.499427][ T8079] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.575576][ T8079] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.626221][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.636635][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.645324][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.653953][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.660989][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.668950][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.677523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.690272][ T8084] team0: Port device team_slave_0 added [ 57.736402][ T8081] device hsr_slave_0 entered promiscuous mode [ 57.773712][ T8081] device hsr_slave_1 entered promiscuous mode [ 57.823392][ T8081] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.831649][ T8079] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.875351][ T8079] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 162.873215][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.879972][ C0] rcu: 0-...!: (1 GPs behind) idle=a36/1/0x4000000000000002 softirq=10494/10495 fqs=6 [ 162.890040][ C0] (t=10501 jiffies g=6145 q=139) [ 162.895063][ C0] rcu: rcu_preempt kthread starved for 10481 jiffies! g6145 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.906298][ C0] rcu: RCU grace-period kthread stack dump: [ 162.912192][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 162.920091][ C0] Call Trace: [ 162.923394][ C0] __schedule+0x9a0/0xcc0 [ 162.927731][ C0] schedule+0x181/0x210 [ 162.931904][ C0] schedule_timeout+0x14f/0x240 [ 162.936762][ C0] ? run_local_timers+0x120/0x120 [ 162.941788][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.946571][ C0] kthread+0x332/0x350 [ 162.950654][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.955780][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.960369][ C0] ret_from_fork+0x24/0x30 [ 162.964790][ C0] NMI backtrace for cpu 0 [ 162.969120][ C0] CPU: 0 PID: 8040 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 162.976566][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.986639][ C0] Call Trace: [ 162.989918][ C0] [ 162.992766][ C0] dump_stack+0x1fb/0x318 [ 162.997105][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.001953][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.008116][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.014173][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.020173][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.026067][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.031202][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.036405][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.041423][ C0] update_process_times+0x12d/0x180 [ 163.046633][ C0] tick_sched_timer+0x263/0x420 [ 163.051481][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.057206][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.062526][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.067492][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.072782][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.078338][ C0] apic_timer_interrupt+0xf/0x20 [ 163.083265][ C0] [ 163.086199][ C0] RIP: 0010:__memcg_kmem_uncharge+0x42/0x2e0 [ 163.092196][ C0] Code: 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 e0 4d 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 [ 163.111979][ C0] RSP: 0018:ffffc90001477ad0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.120392][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 163.128366][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b1e7c0 [ 163.136337][ C0] RBP: ffffc90001477b00 R08: 000000000003a768 R09: ffffed10132f2aef [ 163.144304][ C0] R10: ffffed10132f2aef R11: 0000000000000000 R12: ffffea0001b1e7c0 [ 163.152467][ C0] R13: 1ffffd4000363cff R14: ffffea0001b1e7f8 R15: 0000000000000000 [ 163.160457][ C0] ? free_thread_stack+0x124/0x590 [ 163.165557][ C0] free_thread_stack+0x12e/0x590 [ 163.170486][ C0] put_task_stack+0xa3/0x130 [ 163.175062][ C0] finish_task_switch+0x3f1/0x550 [ 163.180076][ C0] __schedule+0x9a8/0xcc0 [ 163.184402][ C0] schedule+0x181/0x210 [ 163.188552][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 163.194609][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 163.200405][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 163.205761][ C0] ep_poll+0xa4d/0xe80 [ 163.209823][ C0] ? do_task_dead+0xc0/0xc0 [ 163.214316][ C0] ? __kasan_check_read+0x11/0x20 [ 163.219330][ C0] do_epoll_wait+0x1ee/0x260 [ 163.223908][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 163.228927][ C0] do_syscall_64+0xf7/0x1c0 [ 163.233418][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.239305][ C0] RIP: 0033:0x7f68f923a943 [ 163.243721][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 163.263322][ C0] RSP: 002b:00007ffcdaa76a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 163.271715][ C0] RAX: ffffffffffffffda RBX: 0000000001bfd250 RCX: 00007f68f923a943 [ 163.279674][ C0] RDX: 0000000000000004 RSI: 00007ffcdaa76b00 RDI: 0000000000000007 [ 163.287631][ C0] RBP: 0000000000625500 R08: 00007ffcdaa76a20 R09: 00007ffcdaa860b8 [ 163.295593][ C0] R10: 000000000000ee41 R11: 0000000000000246 R12: 0000000001c0eb30 [ 163.303548][ C0] R13: 00007ffcdaa77b57 R14: 0000000000000005 R15: 0000000001bfd250