[ 44.146878][ T27] audit: type=1800 audit(1578453431.536:26): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.182313][ T27] audit: type=1800 audit(1578453431.536:27): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.202043][ T27] audit: type=1800 audit(1578453431.536:28): pid=8230 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. [ 44.915871][ T27] audit: type=1800 audit(1578453432.316:29): pid=8230 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 '10.128.0.45' (ECDSA) to the list of known hosts. 2020/01/08 03:17:21 fuzzer started 2020/01/08 03:17:23 dialing manager at 10.128.0.26:35703 2020/01/08 03:17:23 syscalls: 2824 2020/01/08 03:17:23 code coverage: enabled 2020/01/08 03:17:23 comparison tracing: enabled 2020/01/08 03:17:23 extra coverage: enabled 2020/01/08 03:17:23 setuid sandbox: enabled 2020/01/08 03:17:23 namespace sandbox: enabled 2020/01/08 03:17:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:17:23 fault injection: enabled 2020/01/08 03:17:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:17:23 net packet injection: enabled 2020/01/08 03:17:23 net device setup: enabled 2020/01/08 03:17:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:17:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:17:24 executing program 0: r0 = socket(0x1e, 0x2, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000080000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8400a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc126cb184a"}, 0x80) bind(r0, &(0x7f0000670000)=@generic={0x1e, "01fd000000000000000000000000fc00000005a10eb80c00000000800000002e0a53b232394a000000010000f800ffff0f82e52b0a669ae43a620170a00021f069ca021f6ff9dc1161e7068f358c00f9ecff1458d1ea03000030ffff000000090003b9e2ead200c577aeb81c90541d6d7c770ee590c8bcf70dc151eb1849"}, 0x80) 03:17:24 executing program 1: unshare(0x2040400) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) syz_open_dev$vbi(&(0x7f0000000000)='/dev/vbi#\x00', 0x3, 0x2) r1 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$sock_TIOCINQ(r1, 0x541b, &(0x7f0000000000)) r2 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$sock_TIOCINQ(r2, 0x541b, &(0x7f0000000000)) r3 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$sock_TIOCINQ(r3, 0x541b, &(0x7f0000000000)) r4 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, r4, 0x0) r5 = perf_event_open(&(0x7f0000940000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, r4, 0x0) dup2(r4, r5) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r6 = gettid() tkill(r6, 0x20) syz_open_procfs(0x0, &(0x7f00000001c0)='net/ip_vs_stats_percpu\x00') ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000140)) syz_open_dev$vbi(&(0x7f0000000180)='/dev/vbi#\x00', 0x0, 0x2) r7 = syz_open_procfs(0x0, &(0x7f00000001c0)='net/ip_vs_stats_percpu\x00') ioctl$sock_SIOCGPGRP(r7, 0x8904, &(0x7f0000000000)) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000240)='cpuset.memory_pressure\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r8 = inotify_init1(0x0) r9 = gettid() fcntl$setown(r8, 0x8, r9) getpid() r10 = socket(0xa, 0x3, 0x8) ioctl$sock_inet_SIOCSIFFLAGS(r10, 0x89a2, &(0x7f0000000180)={'\x00', 0x4}) syzkaller login: [ 57.363336][ T8394] IPVS: ftp: loaded support on port[0] = 21 [ 57.420952][ T8396] IPVS: ftp: loaded support on port[0] = 21 03:17:24 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB=',lowerdir=.:file0']) r0 = open(&(0x7f0000000240)='./file0\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) [ 57.567588][ T8394] chnl_net:caif_netlink_parms(): no params data found [ 57.606628][ T8396] chnl_net:caif_netlink_parms(): no params data found [ 57.709327][ T8400] IPVS: ftp: loaded support on port[0] = 21 [ 57.716553][ T8394] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.724596][ T8394] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.737613][ T8394] device bridge_slave_0 entered promiscuous mode [ 57.773281][ T8394] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.780357][ T8394] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.789310][ T8394] device bridge_slave_1 entered promiscuous mode [ 57.797431][ T8396] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.804977][ T8396] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.812880][ T8396] device bridge_slave_0 entered promiscuous mode 03:17:25 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000000)=0x1000000000001e, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0xb, &(0x7f0000000040)=0x2, 0x4) connect$inet(r0, &(0x7f0000000200)={0x2, 0x0, @broadcast}, 0x10) sendmmsg(r0, &(0x7f0000007fc0), 0x4000000000001a8, 0x0) [ 57.827683][ T8396] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.850777][ T8396] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.873761][ T8396] device bridge_slave_1 entered promiscuous mode [ 57.906241][ T8394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.944814][ T8394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.980061][ T8396] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.998937][ T8396] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.022875][ T8402] IPVS: ftp: loaded support on port[0] = 21 [ 58.036032][ T8394] team0: Port device team_slave_0 added [ 58.064473][ T8394] team0: Port device team_slave_1 added [ 58.080262][ T8396] team0: Port device team_slave_0 added 03:17:25 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000001000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc1105518, &(0x7f0000001000)) [ 58.138337][ T8396] team0: Port device team_slave_1 added [ 58.217505][ T8394] device hsr_slave_0 entered promiscuous mode [ 58.272189][ T8394] device hsr_slave_1 entered promiscuous mode [ 58.329991][ T8400] chnl_net:caif_netlink_parms(): no params data found 03:17:25 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$key(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000000ff0)={&(0x7f0000000080)={0x2, 0x18, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}}}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @ipv4={[], [], @loopback}}}, @sadb_x_policy={0x8, 0x12, 0x0, 0x0, 0x0, 0x0, 0x0, {0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @in6=@loopback, @in6=@local={0xfe, 0x80, [], 0xffffffffffffffff}}}]}, 0xa0}}, 0x0) [ 58.372394][ T8405] IPVS: ftp: loaded support on port[0] = 21 [ 58.443965][ T8396] device hsr_slave_0 entered promiscuous mode [ 58.491683][ T8396] device hsr_slave_1 entered promiscuous mode [ 58.551976][ T8396] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.559686][ T8396] Cannot create hsr debugfs directory [ 58.629902][ T8407] IPVS: ftp: loaded support on port[0] = 21 [ 58.667654][ T8402] chnl_net:caif_netlink_parms(): no params data found [ 58.718352][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.726264][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.733939][ T8400] device bridge_slave_0 entered promiscuous mode [ 58.743353][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.750393][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.758326][ T8400] device bridge_slave_1 entered promiscuous mode [ 58.817772][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.825249][ T8402] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.833147][ T8402] device bridge_slave_0 entered promiscuous mode [ 58.845450][ T8394] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.906499][ T8394] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.948493][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.955978][ T8402] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.964279][ T8402] device bridge_slave_1 entered promiscuous mode [ 58.972880][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.985435][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.999891][ T8394] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.086639][ T8400] team0: Port device team_slave_0 added [ 59.093050][ T8394] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.154090][ T8396] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.214063][ T8402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.224725][ T8400] team0: Port device team_slave_1 added [ 59.231574][ T8402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.279106][ T8396] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.317709][ T8396] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.399020][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 59.415658][ T8396] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.470296][ T8407] chnl_net:caif_netlink_parms(): no params data found [ 59.484391][ T8402] team0: Port device team_slave_0 added [ 59.499037][ T8402] team0: Port device team_slave_1 added [ 59.574220][ T8400] device hsr_slave_0 entered promiscuous mode [ 59.611741][ T8400] device hsr_slave_1 entered promiscuous mode [ 59.641922][ T8400] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.649550][ T8400] Cannot create hsr debugfs directory [ 59.754389][ T8402] device hsr_slave_0 entered promiscuous mode [ 59.793516][ T8402] device hsr_slave_1 entered promiscuous mode [ 59.851555][ T8402] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.859150][ T8402] Cannot create hsr debugfs directory [ 59.865260][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.872546][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.880089][ T8405] device bridge_slave_0 entered promiscuous mode [ 59.923132][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.930777][ T8407] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.939058][ T8407] device bridge_slave_0 entered promiscuous mode [ 59.946324][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.954074][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.962126][ T8405] device bridge_slave_1 entered promiscuous mode [ 59.981908][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.988963][ T8407] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.996737][ T8407] device bridge_slave_1 entered promiscuous mode [ 60.049382][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.063657][ T8407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.078520][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.101368][ T8405] team0: Port device team_slave_0 added [ 60.115030][ T8407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.130783][ T8405] team0: Port device team_slave_1 added [ 60.204169][ T8405] device hsr_slave_0 entered promiscuous mode [ 60.242662][ T8405] device hsr_slave_1 entered promiscuous mode [ 60.281513][ T8405] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.289105][ T8405] Cannot create hsr debugfs directory [ 60.329515][ T8402] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.374595][ T8407] team0: Port device team_slave_0 added [ 60.380375][ T8402] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.426951][ T8402] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.484214][ T8402] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.536963][ T8400] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.573961][ T8407] team0: Port device team_slave_1 added [ 60.581136][ T8400] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.666879][ T8400] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.723839][ T8400] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.864639][ T8407] device hsr_slave_0 entered promiscuous mode [ 60.911989][ T8407] device hsr_slave_1 entered promiscuous mode [ 60.961545][ T8407] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.969160][ T8407] Cannot create hsr debugfs directory [ 60.983506][ T8394] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.992970][ T8396] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.025055][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.038949][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.052071][ T8394] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.070050][ T8405] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.093757][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.103216][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.111616][ T3946] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.118740][ T3946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.126940][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.136204][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.144770][ T3946] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.151858][ T3946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.159346][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.167501][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.175603][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.198415][ T8396] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.210332][ T8405] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.263879][ T8405] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.303711][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.312372][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.354283][ T8405] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.409613][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.419009][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.427670][ T3940] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.434768][ T3940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.443511][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.452294][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.460778][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.468662][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.501908][ T8402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.509815][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.524185][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.532887][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.541554][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.549828][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.558112][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.566256][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.574749][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.583118][ T3940] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.590141][ T3940] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.613487][ T8394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.639642][ T8402] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.653528][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.662988][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.671918][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.679757][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.714602][ T8407] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.734559][ T8407] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.792968][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.804625][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.813005][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.820767][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.828576][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.837136][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.845708][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.854540][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.863489][ T3940] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.870560][ T3940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.878370][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.886729][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.904792][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.915198][ T8407] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.952307][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.960949][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.969438][ T3946] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.976554][ T3946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.984335][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.992706][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.000760][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.009633][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.018238][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.027095][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.037056][ T8394] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.051760][ T8407] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.102424][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.110204][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.121318][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.129622][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.138714][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.147554][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.156110][ T3946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.179040][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.204963][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.214486][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.223312][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.230904][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.240252][ T8402] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.254112][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.272443][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.280977][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.299620][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.314513][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.324670][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.333457][ T2669] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.340538][ T2669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.348240][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.355991][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.375797][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.388772][ T8394] device veth0_vlan entered promiscuous mode [ 62.403879][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.413646][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.422346][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.430588][ T8409] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.437669][ T8409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.445490][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.454437][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.462237][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.469834][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.478616][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.486786][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.495164][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.502839][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.511535][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.519269][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.533899][ T8394] device veth1_vlan entered promiscuous mode [ 62.559361][ T8396] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.568868][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.577147][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.586047][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.594630][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.603052][ T3948] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.610090][ T3948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.617795][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.626715][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.635338][ T3948] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.642437][ T3948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.650954][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.659982][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.668626][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.677031][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.685633][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.693654][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.706089][ T8402] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.744086][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.755369][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.764805][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.774517][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.783559][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.792035][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.800115][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.808949][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.817314][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.825772][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.834208][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.843011][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.852174][ T3948] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.865454][ T8400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.906803][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.916308][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.942565][ T8407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.960454][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.981608][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.989082][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.010837][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 168.021377][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.028211][ C1] rcu: 1-...!: (1 GPs behind) idle=2fe/1/0x4000000000000002 softirq=12244/12249 fqs=1 [ 168.038095][ C1] (t=10501 jiffies g=6633 q=60) [ 168.043043][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6633 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 168.054126][ C1] rcu: RCU grace-period kthread stack dump: [ 168.060024][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 168.067918][ C1] Call Trace: [ 168.071215][ C1] __schedule+0x9a0/0xcc0 [ 168.075569][ C1] schedule+0x181/0x210 [ 168.079728][ C1] schedule_timeout+0x14f/0x240 [ 168.084567][ C1] ? run_local_timers+0x120/0x120 [ 168.089582][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.094344][ C1] kthread+0x332/0x350 [ 168.098397][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.103495][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.108073][ C1] ret_from_fork+0x24/0x30 [ 168.112499][ C1] NMI backtrace for cpu 1 [ 168.116835][ C1] CPU: 1 PID: 8416 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.125234][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.135278][ C1] Call Trace: [ 168.138557][ C1] [ 168.141404][ C1] dump_stack+0x1fb/0x318 [ 168.145745][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.150591][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.156739][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.162795][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.168767][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.174649][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.179757][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.184944][ C1] ? trace_hardirqs_off+0x74/0x80 [ 168.189957][ C1] update_process_times+0x12d/0x180 [ 168.195148][ C1] tick_sched_timer+0x263/0x420 [ 168.199985][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.205521][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.210722][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.215666][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.220943][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.226478][ C1] apic_timer_interrupt+0xf/0x20 [ 168.231400][ C1] [ 168.234329][ C1] RIP: 0010:__memcg_kmem_uncharge+0x3b/0x1a0 [ 168.240299][ C1] Code: 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 48 07 fb ff 4d 8b 3e 01 00 00 00 89 d9 d3 e0 4d 85 ff 0f 84 de 00 00 00 4c 39 3d a4 [ 168.259891][ C1] RSP: 0018:ffffc90002517e00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.268294][ C1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88809016c4c0 [ 168.276270][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000281f240 [ 168.284232][ C1] RBP: ffffc90002517e30 R08: 000000000003a728 R09: ffffed101276eef9 [ 168.292188][ C1] R10: ffffed101276eef9 R11: 0000000000000000 R12: ffffea000281f240 [ 168.300145][ C1] R13: 1ffffd4000503e4f R14: ffffea000281f278 R15: 0000000000000000 [ 168.308123][ C1] ? free_thread_stack+0x124/0x590 [ 168.313234][ C1] free_thread_stack+0x12e/0x590 [ 168.318184][ C1] put_task_stack+0xa3/0x130 [ 168.322759][ C1] finish_task_switch+0x3f1/0x550 [ 168.327772][ C1] ? proc_cap_handler+0x450/0x450 [ 168.332786][ C1] schedule_tail+0x20/0x1a0 [ 168.337285][ C1] ? proc_cap_handler+0x450/0x450 [ 168.342297][ C1] ret_from_fork+0x8/0x30