[ 43.695269][ T23] audit: type=1800 audit(1575456616.282:26): pid=8109 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.737308][ T23] audit: type=1800 audit(1575456616.282:27): pid=8109 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.761240][ T23] audit: type=1800 audit(1575456616.282:28): pid=8109 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. [ 44.539663][ T23] audit: type=1800 audit(1575456617.152:29): pid=8109 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 '10.128.10.1' (ECDSA) to the list of known hosts. 2019/12/04 10:50:26 fuzzer started 2019/12/04 10:50:27 dialing manager at 10.128.0.26:36481 2019/12/04 10:50:27 syscalls: 2691 2019/12/04 10:50:27 code coverage: enabled 2019/12/04 10:50:27 comparison tracing: enabled 2019/12/04 10:50:27 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:50:27 setuid sandbox: enabled 2019/12/04 10:50:27 namespace sandbox: enabled 2019/12/04 10:50:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:50:27 fault injection: enabled 2019/12/04 10:50:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:50:27 net packet injection: enabled 2019/12/04 10:50:27 net device setup: enabled 2019/12/04 10:50:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:50:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:50:28 executing program 0: unshare(0x8020000) 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={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget$private(0x0, 0x403, 0x0) r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/ipc\x00') sendmsg$nl_generic(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) semtimedop(0x0, &(0x7f0000000040)=[{0x0, 0x0, 0x1800}], 0x1, 0x0) setns(r0, 0x0) mknod$loop(&(0x7f0000000080)='./file0\x00', 0x1c08, 0x1) 10:50:28 executing program 1: sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x24, 0x0, 0x0, 0x0, 0x25dfdbfe, {{}, 0x0, 0x800b, 0x0, {0x8}}}, 0x24}}, 0x0) r0 = socket$kcm(0xa, 0x2, 0x11) setsockopt$sock_attach_bpf(r0, 0x29, 0x30, &(0x7f0000000080), 0x4e4) syzkaller login: [ 56.380103][ T8272] IPVS: ftp: loaded support on port[0] = 21 [ 56.430399][ T8274] IPVS: ftp: loaded support on port[0] = 21 10:50:29 executing program 2: r0 = socket$can_j1939(0x1d, 0x2, 0x7) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000200)={'vcan0\x00', 0x0}) bind$can_j1939(r0, &(0x7f0000000240)={0x1d, r2}, 0x18) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=@newlink={0x28, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0) [ 56.575526][ T8272] chnl_net:caif_netlink_parms(): no params data found [ 56.674720][ T8274] chnl_net:caif_netlink_parms(): no params data found [ 56.723130][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.750080][ T8272] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.758279][ T8272] device bridge_slave_0 entered promiscuous mode [ 56.773317][ T8274] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.783386][ T8274] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.791618][ T8274] device bridge_slave_0 entered promiscuous mode [ 56.802130][ T8272] bridge0: port 2(bridge_slave_1) entered blocking state 10:50:29 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00009e3ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00005befdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000698000)=0x3) ioctl$FIONREAD(r1, 0x80047456, &(0x7f0000000000)) [ 56.819287][ T8272] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.827010][ T8272] device bridge_slave_1 entered promiscuous mode [ 56.843070][ T8274] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.851857][ T8274] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.862141][ T8274] device bridge_slave_1 entered promiscuous mode [ 56.886065][ T8272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.907449][ T8279] IPVS: ftp: loaded support on port[0] = 21 [ 56.921048][ T8274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.951988][ T8272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.982764][ T8274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.024165][ T8274] team0: Port device team_slave_0 added [ 57.048605][ T8281] IPVS: ftp: loaded support on port[0] = 21 [ 57.061932][ T8272] team0: Port device team_slave_0 added [ 57.071551][ T8274] team0: Port device team_slave_1 added [ 57.098633][ T8272] team0: Port device team_slave_1 added 10:50:29 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x15, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x9e}}, &(0x7f0000000080)='GPL\x04\x9c5\x14\xbfw-\xa0z\xe8.vY\n6\xf6I>\xc1\xab\x91\xb3\x97\xe4*\xbf\x1e\xa6\xcd\x8c\xd7t\'\xfc\x9a\x9e+qe\xf5+A\a\xbf\bP\xd8\x99\xdcR\xd0\x13\x17]\xdb\x1b/F <*\x05\xb7\"\xe3>Uo\xb2\xe3\xf3\x9a<\xde\x1f\xcaSd\x037\xec\x95aF\xbd\xbf\xcb\x11Pp\x19V1\xde]!\xa5\xea\x9ec\x8c+\xdbx\xa5\x01\xcaKn\xa3\x13\xd8%h\xf98,,?o\xab\xa6\xb4\xeeTy;N\xd2m\xae>R\"P)\xbb*\xc0\x00\x7fwuL?#\xce\xda\x98\t\xb9\xa9hJ\x94\n\xbc\xaa\x8c\xfc\xc7\x13>\xc4\"\xe9\xc88\x881\x8dA\xe9\xa4\x93\xf0\x19_\xe2Y\x96Q\xb8\x95\x04\xf5\xdb\xa1F%\xce#f\xf3=\x95\xdb\xa9/\x86ry\xca\xbfJ\xce\xdd\xc8Z\x8a\xf7\xa0\xfah\xd7g\xceQ6\xb9\xd0\xd1\x96lI\x9c\xb6\xbf4\xc2\x7f\x00'/248}, 0x48) [ 57.212720][ T8274] device hsr_slave_0 entered promiscuous mode [ 57.249467][ T8274] device hsr_slave_1 entered promiscuous mode 10:50:29 executing program 5: r0 = socket$kcm(0xa, 0x6, 0x0) r1 = perf_event_open(0x0, 0xffffffffffffffff, 0x5, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401, 0x0, 0x0, 0x0, 0x9, 0xfffffffffffffffc, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x7fff}, 0x1024}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000c40)=ANY=[@ANYBLOB="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"], 0x200600) r3 = socket$kcm(0xa, 0x2, 0x73) sendmsg$kcm(r3, &(0x7f00000003c0)={&(0x7f0000000000)=@nl=@unspec, 0x80, 0x0}, 0x0) r4 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000280)='pids.events\x00', 0x0, 0x0) ioctl$TUNSETPERSIST(r4, 0x400454cb, 0x1) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={0xffffffffffffffff, r4}) r5 = openat$cgroup_ro(r4, &(0x7f0000000380)='cpuacBt.usage_user\r', 0x0, 0x0) r6 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000340)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) openat$cgroup_ro(r6, 0x0, 0x0, 0x0) sendmsg$kcm(0xffffffffffffffff, 0x0, 0x20000000) r7 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r8 = socket$kcm(0x11, 0x0, 0x0) sendmsg$kcm(r8, &(0x7f0000000200)={&(0x7f00000002c0)=@nfc={0x27, 0x0, 0x0, 0x2}, 0xff98, 0x0, 0xfffffffffffffda9}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f0000000280)=0x8b) openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) mkdirat$cgroup(r7, 0x0, 0x1ff) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x1c7) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000140)={r7, 0x0, 0x1, 0x0, 0x0}, 0x20) openat$cgroup_int(0xffffffffffffffff, 0x0, 0x2, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x322) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000440)) sendmsg(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)=@un=@abs={0x1}, 0x3d, 0x0}, 0x0) write$cgroup_pid(r5, &(0x7f0000000100), 0x12) socketpair(0x1, 0x2000000003, 0x0, &(0x7f00000005c0)={0xffffffffffffffff}) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0), 0x0}, 0x28) ioctl$PERF_EVENT_IOC_SET_FILTER(r9, 0x89f1, &(0x7f0000000000)='ip6gre0\x00') socketpair(0x9, 0x0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f00000018c0)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, 0x80, &(0x7f0000000240), 0x0, &(0x7f0000002980)=""/6, 0x6}, 0x12040) r11 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r11, &(0x7f00000009c0)=ANY=[@ANYBLOB="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"], 0x200600) sendmsg$kcm(r11, &(0x7f0000000240)={&(0x7f0000002a00)=@can={0x1d, r10}, 0x80, &(0x7f0000002b80)=[{&(0x7f00000003c0)="d87f3307c296fa26db8805a03f34d7ec5e6a803d2c788e3eeeff58e808d9f57a70e82fa8886513a0bc4d0b81880ea6bbe98a877896ac4a7edccbcf3137ce66fc240d3c2be0296a5640bb4d8b4178cd19f8c6", 0x52}], 0x1}, 0x800) [ 57.381663][ T8272] device hsr_slave_0 entered promiscuous mode [ 57.411302][ T8272] device hsr_slave_1 entered promiscuous mode [ 57.449559][ T8272] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.474606][ T8283] IPVS: ftp: loaded support on port[0] = 21 [ 57.492551][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 57.551668][ T8279] chnl_net:caif_netlink_parms(): no params data found [ 57.560398][ T8272] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.603277][ T8272] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.663942][ T8272] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.712098][ T8272] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.782773][ T8274] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.858349][ T8274] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.885676][ T8274] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.942468][ T8274] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.036634][ T8279] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.044676][ T8279] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.053770][ T8279] device bridge_slave_0 entered promiscuous mode [ 58.071421][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.078520][ T8279] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.086704][ T8279] device bridge_slave_1 entered promiscuous mode [ 58.161843][ T8279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.180072][ T8281] chnl_net:caif_netlink_parms(): no params data found [ 58.226077][ T8279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.252890][ T8272] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.273135][ T8279] team0: Port device team_slave_0 added [ 58.294335][ T8283] chnl_net:caif_netlink_parms(): no params data found [ 58.314937][ T8272] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.324081][ T8279] team0: Port device team_slave_1 added [ 58.330460][ T8281] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.337583][ T8281] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.346494][ T8281] device bridge_slave_0 entered promiscuous mode [ 58.354225][ T8285] chnl_net:caif_netlink_parms(): no params data found [ 58.365873][ T1111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.374185][ T1111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.405011][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.413318][ T8283] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.421618][ T8283] device bridge_slave_0 entered promiscuous mode [ 58.428700][ T8281] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.437146][ T8281] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.445910][ T8281] device bridge_slave_1 entered promiscuous mode [ 58.467541][ T8274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.476212][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.484330][ T8283] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.493387][ T8283] device bridge_slave_1 entered promiscuous mode [ 58.551981][ T8279] device hsr_slave_0 entered promiscuous mode [ 58.589491][ T8279] device hsr_slave_1 entered promiscuous mode [ 58.629199][ T8279] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.662286][ T8281] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.674761][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.683753][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.692378][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.699639][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.711077][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.730546][ T8279] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.774940][ T8279] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.839923][ T8281] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.852170][ T8279] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.910773][ T8279] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.983093][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.991364][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.999003][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.007694][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.016667][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.023810][ T8276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.032080][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.040903][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.047946][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.055753][ T8285] device bridge_slave_0 entered promiscuous mode [ 59.065370][ T8283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.080214][ T8283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.097321][ T8274] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.104857][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.112325][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.121122][ T8285] device bridge_slave_1 entered promiscuous mode [ 59.141492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.150476][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.158842][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.167929][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.188734][ T8283] team0: Port device team_slave_0 added [ 59.198316][ T8281] team0: Port device team_slave_0 added [ 59.208635][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.219155][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.228059][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.237684][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.246378][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.254657][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.272699][ T8283] team0: Port device team_slave_1 added [ 59.286366][ T8281] team0: Port device team_slave_1 added [ 59.299845][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.311239][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.320671][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.329193][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.336241][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.344004][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.352683][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.361249][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.368312][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.375871][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.386480][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.401099][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.437611][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.446177][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.455033][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.463876][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.472700][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.481380][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.490113][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.551923][ T8283] device hsr_slave_0 entered promiscuous mode [ 59.589566][ T8283] device hsr_slave_1 entered promiscuous mode [ 59.619392][ T8283] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.661894][ T8281] device hsr_slave_0 entered promiscuous mode [ 59.689668][ T8281] device hsr_slave_1 entered promiscuous mode [ 59.729614][ T8281] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.746222][ T8274] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.761254][ T8274] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.786276][ T8285] team0: Port device team_slave_0 added [ 59.794414][ T8285] team0: Port device team_slave_1 added [ 59.811132][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.820070][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.828444][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.837073][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.846271][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.854010][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.861641][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.907555][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.918520][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.935077][ T8272] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.951702][ T8274] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.962449][ T8281] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.052069][ T8285] device hsr_slave_0 entered promiscuous mode [ 60.119560][ T8285] device hsr_slave_1 entered promiscuous mode [ 60.159298][ T8285] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.188844][ T8279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.198689][ T8283] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.241685][ T8283] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.291946][ T8281] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.344995][ T8281] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.417927][ T8279] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.441053][ T8283] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 165.469039][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.475817][ C0] rcu: 0-...!: (10499 ticks this GP) idle=86e/1/0x4000000000000002 softirq=11958/11958 fqs=39 [ 165.486391][ C0] (t=10501 jiffies g=6345 q=105) [ 165.491406][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6345 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.502490][ C0] rcu: RCU grace-period kthread stack dump: [ 165.508370][ C0] rcu_preempt R running task 29048 10 2 0x80004000 [ 165.516258][ C0] Call Trace: [ 165.519543][ C0] __schedule+0x9a0/0xcc0 [ 165.523870][ C0] schedule+0x181/0x210 [ 165.528043][ C0] schedule_timeout+0x14f/0x240 [ 165.532988][ C0] ? run_local_timers+0x120/0x120 [ 165.538037][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.542927][ C0] kthread+0x332/0x350 [ 165.546997][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.552104][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.556691][ C0] ret_from_fork+0x24/0x30 [ 165.561114][ C0] NMI backtrace for cpu 0 [ 165.565435][ C0] CPU: 0 PID: 8274 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 165.573670][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.583723][ C0] Call Trace: [ 165.587019][ C0] [ 165.589867][ C0] dump_stack+0x1fb/0x318 [ 165.594191][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.599026][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.605196][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.611264][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.617250][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.623146][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.628256][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.633449][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.638491][ C0] update_process_times+0x12d/0x180 [ 165.643683][ C0] tick_sched_timer+0x263/0x420 [ 165.648526][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.654063][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.659266][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.664218][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.669509][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.675068][ C0] apic_timer_interrupt+0xf/0x20 [ 165.679990][ C0] [ 165.682921][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 165.688630][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a0 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 eb 9f 69 00 48 8b 1b e9 82 ff ff ff e8 5e 2a 2e [ 165.708223][ C0] RSP: 0018:ffffc90001f576c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.716637][ C0] RAX: 1ffff11012116bb1 RBX: ffff8880908b5d88 RCX: ffff888094a3a000 [ 165.724730][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025c9f80 [ 165.732715][ C0] RBP: ffffc90001f57700 R08: 000000000003a728 R09: ffffed10140abf17 [ 165.740686][ C0] R10: ffffed10140abf17 R11: 0000000000000000 R12: ffff8880908b5e20 [ 165.748693][ C0] R13: dffffc0000000000 R14: 1ffff11012116bc4 R15: ffff8880a055f8a8 [ 165.756679][ C0] ? free_thread_stack+0x168/0x590 [ 165.761810][ C0] put_task_stack+0xa3/0x130 [ 165.766390][ C0] finish_task_switch+0x3f1/0x550 [ 165.771423][ C0] __schedule+0x9a8/0xcc0 [ 165.775757][ C0] schedule+0x181/0x210 [ 165.779918][ C0] schedule_timeout+0x46/0x240 [ 165.784678][ C0] do_wait_for_common+0x2e7/0x4d0 [ 165.789688][ C0] ? console_conditional_schedule+0x40/0x40 [ 165.795577][ C0] ? do_task_dead+0xc0/0xc0 [ 165.800072][ C0] wait_for_completion+0x47/0x60 [ 165.805000][ C0] __wait_rcu_gp+0x2b1/0x2f0 [ 165.809589][ C0] synchronize_rcu+0xe3/0x100 [ 165.814350][ C0] ? rcu_force_quiescent_state+0x170/0x170 [ 165.820142][ C0] rcu_sync_enter+0x1ae/0x2a0 [ 165.824827][ C0] ? trace_lock_acquire+0x159/0x1d0 [ 165.830024][ C0] percpu_down_write+0x30/0x3c0 [ 165.834871][ C0] cpuset_css_online+0x59/0x7e0 [ 165.839714][ C0] online_css+0xbb/0x230 [ 165.844121][ C0] cgroup_apply_control_enable+0xd46/0x1240 [ 165.850010][ C0] cgroup_mkdir+0xeb8/0x1280 [ 165.854601][ C0] ? css_task_iter_end+0x2c0/0x2c0 [ 165.859701][ C0] kernfs_iop_mkdir+0x133/0x270 [ 165.864542][ C0] vfs_mkdir+0x43f/0x610 [ 165.868780][ C0] do_mkdirat+0x1d7/0x320 [ 165.873535][ C0] __x64_sys_mkdir+0x60/0x70 [ 165.878210][ C0] do_syscall_64+0xf7/0x1c0 [ 165.882705][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.888587][ C0] RIP: 0033:0x459a97 [ 165.892474][ C0] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.912067][ C0] RSP: 002b:00007ffecca3d9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 165.920478][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459a97 [ 165.928440][ C0] RDX: 00007ffecca3da23 RSI: 00000000000001ff RDI: 00007ffecca3da10 [ 165.936404][ C0] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000013 [ 165.944365][ C0] R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000416180 [ 165.952325][ C0] R13: 00007ffecca3de38 R14: 0000000000000000 R15: 00007ffecca3da10