[ 43.875605][ T25] audit: type=1800 audit(1575399714.732:27): pid=8029 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.897585][ T25] audit: type=1800 audit(1575399714.732:28): pid=8029 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. [ 44.490126][ T25] audit: type=1800 audit(1575399715.412:29): pid=8029 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 44.509335][ T25] audit: type=1800 audit(1575399715.422:30): pid=8029 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 '10.128.0.252' (ECDSA) to the list of known hosts. 2019/12/03 19:02:03 fuzzer started syzkaller login: [ 53.867295][ T8186] as (8186) used greatest stack depth: 23592 bytes left 2019/12/03 19:02:05 dialing manager at 10.128.0.26:42111 2019/12/03 19:02:05 syscalls: 2689 2019/12/03 19:02:05 code coverage: enabled 2019/12/03 19:02:05 comparison tracing: enabled 2019/12/03 19:02:05 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:02:05 setuid sandbox: enabled 2019/12/03 19:02:05 namespace sandbox: enabled 2019/12/03 19:02:05 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:02:05 fault injection: enabled 2019/12/03 19:02:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:02:05 net packet injection: enabled 2019/12/03 19:02:05 net device setup: enabled 2019/12/03 19:02:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:02:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:02:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@vti_common_policy=[@IFLA_VTI_LINK={0x8, 0x1, r6}]]}}}]}, 0x38}}, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000002a80)=@newlink={0x38, 0x10, 0x40d, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_REMOTE={0x8, 0x5, @loopback}]}}}]}, 0x38}}, 0x0) 19:02:06 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000004ff0)={0x3, &(0x7f0000000180)=[{}, {0x30}, {0x6}]}, 0x10) [ 55.598135][ T8193] IPVS: ftp: loaded support on port[0] = 21 19:02:06 executing program 2: getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, 0x0, 0x0) sched_setaffinity(0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000004c0)={0x0}, &(0x7f0000000500)=0xc) ptrace$setopts(0x7abb990919170921, r0, 0x0, 0x111) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getpgrp(0x0) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x5, 0x3, &(0x7f0000000600)=ANY=[@ANYBLOB="850000000f00000025000000000000009500000000000000c7945faaaca77df7b091c97554bb677c101e46008000000000075900001943449fc1dcf86e0008d70000000000b1b5af027400005822e8f98b2b4077445b2fef3efdd4547d08d3f4215a73e8d9ffcd60ac4807eafef8a0e0a79ec8a07ce46fb7c53db16b29aa6d36bc1107b9cf2a89a797cd5c578f00"/156], &(0x7f0000000000)='PL \x00L\xf7\xd1*\xf1\x1c\xe9%7\xb5\xe3\x19\x1ef\xde]N\xc1\x8eL-\xf0\x14\x84\xa8mw\x84/bIF\xea\xe3\x10yL\x8c\x96\xff\x14f#.%\x95\x119\xbd\xa5\xd2\x99\x0eR?\x8e\xc3\b\x0f\xfc\x12$\xd8\xdcL\x84\xa9\xc8\xe8\xab1Wh\x06qU#\xfat\x9e\x86\x15\xc6\x10I\xb8\xb1\xbej\xa7t\a\x02\xccZ\xdd', 0x5, 0x252, &(0x7f000000cf3d)=""/195}, 0x48) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r2) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000600)={0x0, 0xffffffffffffffff, 0x0, 0x16, &(0x7f00000005c0)='cpuset.effective_mems\x00'}, 0x30) setpriority(0x3, 0x0, 0x3) socket$inet_tcp(0x2, 0x1, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={[0xe0ffffff, 0x3], [], @local}}, 0x1c) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$team(&(0x7f0000000140)='team\x00') bind$inet(0xffffffffffffffff, &(0x7f0000000080)={0x2, 0x4e20, @empty}, 0x10) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000001d00)={{{@in=@multicast2, @in6=@local}}, {{@in=@initdev}, 0x0, @in=@initdev}}, &(0x7f0000001e00)=0xe8) accept$packet(0xffffffffffffffff, &(0x7f0000001e40)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000001e80)=0x14) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000280)='/dev/hwrng\x00', 0xc0, 0x0) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) r5 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r4, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) getsockopt$inet6_IPV6_XFRM_POLICY(r5, 0x29, 0x23, &(0x7f0000000540)={{{@in, @in6=@mcast1}}, {{@in=@broadcast}}}, &(0x7f0000000440)=0xe8) setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x20, 0x0, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000280)='/dev/hwrng\x00', 0xc0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x0, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x20) [ 55.750126][ T8196] IPVS: ftp: loaded support on port[0] = 21 [ 55.765796][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 55.872726][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.880885][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.888916][ T8193] device bridge_slave_0 entered promiscuous mode [ 55.926729][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.936460][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.944813][ T8193] device bridge_slave_1 entered promiscuous mode [ 55.978944][ T8196] chnl_net:caif_netlink_parms(): no params data found [ 56.013208][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 19:02:07 executing program 3: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) ioctl$EVIOCGKEYCODE(0xffffffffffffffff, 0x80084504, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x16, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x61) ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000000)) ioctl$sock_inet_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, 0x0) [ 56.034125][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.036472][ T8199] IPVS: ftp: loaded support on port[0] = 21 [ 56.084217][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.091576][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.099446][ T8196] device bridge_slave_0 entered promiscuous mode [ 56.109046][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.116810][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.125410][ T8196] device bridge_slave_1 entered promiscuous mode [ 56.134902][ T8193] team0: Port device team_slave_0 added [ 56.146418][ T8193] team0: Port device team_slave_1 added [ 56.186757][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.263554][ T8193] device hsr_slave_0 entered promiscuous mode 19:02:07 executing program 4: unshare(0x20000000) unshare(0x26020400) [ 56.341081][ T8193] device hsr_slave_1 entered promiscuous mode [ 56.394988][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.457872][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 56.461522][ T8196] team0: Port device team_slave_0 added [ 56.475501][ T8196] team0: Port device team_slave_1 added 19:02:07 executing program 5: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x6, 0x12, r0, 0x0) ioctl$SNDCTL_DSP_GETOPTR(r0, 0x5001, 0x0) [ 56.602478][ T8196] device hsr_slave_0 entered promiscuous mode [ 56.652087][ T8196] device hsr_slave_1 entered promiscuous mode [ 56.710002][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.738805][ T8193] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.805430][ T8199] chnl_net:caif_netlink_parms(): no params data found [ 56.823795][ T8205] IPVS: ftp: loaded support on port[0] = 21 [ 56.833227][ T8193] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.884897][ T8203] IPVS: ftp: loaded support on port[0] = 21 [ 56.916216][ T8193] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.972968][ T8193] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.077996][ T8196] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.113333][ T8196] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.215365][ T8196] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.287110][ T8196] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.345698][ T8199] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.353557][ T8199] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.361267][ T8199] device bridge_slave_0 entered promiscuous mode [ 57.369295][ T8199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.376919][ T8199] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.384928][ T8199] device bridge_slave_1 entered promiscuous mode [ 57.453870][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 57.476511][ T8199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.503012][ T8205] chnl_net:caif_netlink_parms(): no params data found [ 57.512444][ T8199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.536787][ T8199] team0: Port device team_slave_0 added [ 57.565898][ T8199] team0: Port device team_slave_1 added [ 57.587657][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.595140][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.603403][ T8201] device bridge_slave_0 entered promiscuous mode [ 57.612035][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.619085][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.626987][ T8201] device bridge_slave_1 entered promiscuous mode [ 57.692520][ T8199] device hsr_slave_0 entered promiscuous mode [ 57.730822][ T8199] device hsr_slave_1 entered promiscuous mode [ 57.769981][ T8199] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.794677][ T8205] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.802477][ T8205] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.810319][ T8205] device bridge_slave_0 entered promiscuous mode [ 57.818191][ T8205] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.825360][ T8205] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.833176][ T8205] device bridge_slave_1 entered promiscuous mode [ 57.843759][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.854642][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.886580][ T8201] team0: Port device team_slave_0 added [ 57.898263][ T8201] team0: Port device team_slave_1 added [ 57.936506][ T8205] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.982635][ T8201] device hsr_slave_0 entered promiscuous mode [ 58.021982][ T8201] device hsr_slave_1 entered promiscuous mode [ 58.061962][ T8201] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.084572][ T8205] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.105819][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 58.119198][ T8193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.134990][ T8205] team0: Port device team_slave_0 added [ 58.162759][ T8205] team0: Port device team_slave_1 added [ 58.172123][ T8196] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.182141][ T8199] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.232064][ T8199] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.294210][ T8199] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.362177][ T8199] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.431376][ T8201] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.466681][ T8201] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.523081][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.530269][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.537833][ T8203] device bridge_slave_0 entered promiscuous mode [ 58.545808][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.553234][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.561130][ T8203] device bridge_slave_1 entered promiscuous mode [ 58.572202][ T8196] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.581480][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.589798][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.606370][ T8201] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.642721][ T8201] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.713264][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.751716][ T8205] device hsr_slave_0 entered promiscuous mode [ 58.790220][ T8205] device hsr_slave_1 entered promiscuous mode [ 58.829944][ T8205] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.841998][ T8193] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.852409][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.860838][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.869006][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.877693][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.886134][ T3044] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.893302][ T3044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.903033][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.922135][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.944429][ T8203] team0: Port device team_slave_0 added [ 58.951979][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.961016][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.969265][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.976355][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.984117][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.993494][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.013403][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.022531][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.031202][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.038253][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.064064][ T8203] team0: Port device team_slave_1 added [ 59.080431][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.088266][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.097343][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.107057][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.115877][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.125548][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.134546][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.143136][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.150235][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.157859][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.166318][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.174550][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.183244][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.191465][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.199615][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.217543][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.293396][ T8203] device hsr_slave_0 entered promiscuous mode [ 59.340264][ T8203] device hsr_slave_1 entered promiscuous mode [ 59.390032][ T8203] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.398316][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.417054][ T8205] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.442555][ T8205] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.495296][ T8193] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.506734][ T8193] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.519120][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.528091][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.536497][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.544991][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.553746][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.562104][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.570888][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.579050][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.587324][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.596688][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.606151][ T8205] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.656750][ T8205] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.727440][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.735019][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.753958][ T8196] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.764945][ T8203] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.812125][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.819697][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.829421][ T8193] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.856655][ T8203] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.902002][ T8203] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.951617][ T8203] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.993444][ T8199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.088675][ T8199] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.098897][ T8205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.111985][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.124107][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.129805][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.136583][ C1] rcu: 1-...!: (10499 ticks this GP) idle=19e/1/0x4000000000000002 softirq=10616/10616 fqs=2 [ 165.147235][ C1] (t=10501 jiffies g=6317 q=271) [ 165.152265][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6317 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.163355][ C1] rcu: RCU grace-period kthread stack dump: [ 165.169252][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.177156][ C1] Call Trace: [ 165.180439][ C1] __schedule+0x9a0/0xcc0 [ 165.184768][ C1] schedule+0x181/0x210 [ 165.188910][ C1] schedule_timeout+0x14f/0x240 [ 165.193751][ C1] ? run_local_timers+0x120/0x120 [ 165.198764][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.203523][ C1] kthread+0x332/0x350 [ 165.207573][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.212670][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.217246][ C1] ret_from_fork+0x24/0x30 [ 165.221681][ C1] NMI backtrace for cpu 1 [ 165.226003][ C1] CPU: 1 PID: 8215 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 165.234237][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.244288][ C1] Call Trace: [ 165.247560][ C1] [ 165.250407][ C1] dump_stack+0x1fb/0x318 [ 165.254727][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.259563][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.265702][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.271752][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.277716][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.283592][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.288702][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.293891][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.298912][ C1] update_process_times+0x12d/0x180 [ 165.304097][ C1] tick_sched_timer+0x263/0x420 [ 165.308930][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.314491][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.319687][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.324628][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.329905][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.335435][ C1] apic_timer_interrupt+0xf/0x20 [ 165.340354][ C1] [ 165.343282][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 165.349000][ C1] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 <48> 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 [ 165.368600][ C1] RSP: 0018:ffffc900022b76e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.376995][ C1] RAX: ffffffff81486ea4 RBX: ffffea0002443a40 RCX: 0000000000040000 [ 165.385038][ C1] RDX: ffffc9000d131000 RSI: 000000000003ffff RDI: 0000000000040000 [ 165.392996][ C1] RBP: ffffc900022b7720 R08: 000000000003a768 R09: ffffed101327eed7 [ 165.400970][ C1] R10: ffffed101327eed7 R11: 0000000000000000 R12: ffff8880971c3f20 [ 165.408937][ C1] R13: dffffc0000000000 R14: 1ffff11012e387e4 R15: ffff8880993f76a8 [ 165.416916][ C1] ? free_thread_stack+0x124/0x590 [ 165.422205][ C1] ? free_thread_stack+0x124/0x590 [ 165.427306][ C1] put_task_stack+0xa3/0x130 [ 165.431881][ C1] finish_task_switch+0x3f1/0x550 [ 165.436894][ C1] __schedule+0x9a8/0xcc0 [ 165.441216][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.446311][ C1] preempt_schedule+0xdb/0x120 [ 165.451081][ C1] ___preempt_schedule+0x16/0x18 [ 165.456003][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 165.461359][ C1] prep_new_page+0x161/0x2e0 [ 165.465971][ C1] get_page_from_freelist+0x850/0xaa0 [ 165.471345][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 165.476711][ C1] alloc_pages_vma+0x94a/0xd50 [ 165.481467][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 165.487178][ C1] handle_mm_fault+0x2017/0x2890 [ 165.492123][ C1] do_user_addr_fault+0x589/0xaf0 [ 165.497141][ C1] __do_page_fault+0xd3/0x1f0 [ 165.501802][ C1] do_page_fault+0x99/0xb0 [ 165.506203][ C1] page_fault+0x39/0x40 [ 165.510343][ C1] RIP: 0010:__put_user_4+0x1c/0x30 [ 165.515441][ C1] Code: 1f 00 c3 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 c0 1d 02 00 48 8b 9b 90 14 00 00 48 83 eb 03 48 39 d9 73 4a 0f 1f 00 <89> 01 31 c0 0f 1f 00 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 [ 165.535064][ C1] RSP: 0018:ffffc900022b7e68 EFLAGS: 00010297 [ 165.541124][ C1] RAX: 0000000000000003 RBX: 00007fffffffeffd RCX: 0000000020000000 [ 165.549079][ C1] RDX: dffffc0000000000 RSI: ffff888096ca88f8 RDI: 0000000000000286 [ 165.557045][ C1] RBP: ffffc900022b7ed8 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.565004][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: 0000000000000005 [ 165.572959][ C1] R13: 0000000020000000 R14: 0000000000000004 R15: 0000000000000000 [ 165.580936][ C1] ? __sys_socketpair+0xbf/0xc90 [ 165.585858][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.591576][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.597283][ C1] __x64_sys_socketpair+0x9b/0xb0 [ 165.602307][ C1] do_syscall_64+0xf7/0x1c0 [ 165.606799][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.612674][ C1] RIP: 0033:0x45a679 [ 165.616558][ 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 [ 165.636152][ C1] RSP: 002b:00007f690cc3ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 165.644563][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a679 [ 165.652522][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001 [ 165.660481][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.668436][ C1] R10: 0000000020000000 R11: 0000000000000246 R12: 00007f690cc3f6d4 [ 165.676404][ C1] R13: 00000000004ca783 R14: 00000000004e39b8 R15: 00000000ffffffff