[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.431344][ T23] audit: type=1800 audit(1578477248.391:25): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.456935][ T23] audit: type=1800 audit(1578477248.391:26): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.499446][ T23] audit: type=1800 audit(1578477248.391:27): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. 2020/01/08 09:54:17 fuzzer started 2020/01/08 09:54:20 dialing manager at 10.128.0.26:35703 2020/01/08 09:54:20 syscalls: 2824 2020/01/08 09:54:20 code coverage: enabled 2020/01/08 09:54:20 comparison tracing: enabled 2020/01/08 09:54:20 extra coverage: enabled 2020/01/08 09:54:20 setuid sandbox: enabled 2020/01/08 09:54:20 namespace sandbox: enabled 2020/01/08 09:54:20 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:54:20 fault injection: enabled 2020/01/08 09:54:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:54:20 net packet injection: enabled 2020/01/08 09:54:20 net device setup: enabled 2020/01/08 09:54:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:54:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:54:21 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = accept$alg(r0, 0x0, 0x0) write$binfmt_script(r4, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r4, &(0x7f0000008dc0)=[{{0x0, 0x26b, &(0x7f0000000880)=[{&(0x7f0000000140)=""/193, 0x8d}, {&(0x7f00000019c0)=""/4096, 0x1000}], 0x2}}], 0x40000000000019d, 0x0, 0x0) 09:54:21 executing program 1: r0 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x6}, 0x1c) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x4b, &(0x7f00000000c0)={@dev}, 0x20) syzkaller login: [ 63.294897][ T8501] IPVS: ftp: loaded support on port[0] = 21 09:54:21 executing program 2: renameat2(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xe07f5608db5d1923) [ 63.462925][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 63.471430][ T8501] chnl_net:caif_netlink_parms(): no params data found [ 63.610022][ T8501] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.617864][ T8501] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.636277][ T8501] device bridge_slave_0 entered promiscuous mode 09:54:21 executing program 3: syz_open_dev$sndctrl(&(0x7f0000000080)='/dev/snd/controlC#\x00', 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)) unshare(0x6040400) select(0x40, &(0x7f0000000080)={0x1c}, &(0x7f0000000100)={0x20}, 0x0, 0x0) [ 63.688016][ T8501] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.695145][ T8501] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.736157][ T8501] device bridge_slave_1 entered promiscuous mode [ 63.772343][ T8508] IPVS: ftp: loaded support on port[0] = 21 [ 63.798899][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 63.836635][ T8501] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 09:54:21 executing program 4: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x3ff, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585605, &(0x7f0000000040)={0x1, 0x0, {0x0, 0x0, 0x3001}}) [ 63.888139][ T8501] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.978322][ T8501] team0: Port device team_slave_0 added [ 63.996474][ T8501] team0: Port device team_slave_1 added [ 64.002332][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.010236][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.019483][ T8503] device bridge_slave_0 entered promiscuous mode [ 64.046914][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.054051][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.070555][ T8503] device bridge_slave_1 entered promiscuous mode [ 64.127759][ T8510] IPVS: ftp: loaded support on port[0] = 21 [ 64.149211][ T8501] device hsr_slave_0 entered promiscuous mode 09:54:22 executing program 5: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100, 0x0, 0xc822, 0x0, 0x0, 0x0, 0x8d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x2040400) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$midi(&(0x7f0000000140)='/dev/midi#\x00', 0x5, 0x20000) ioctl$TCSETX(r0, 0x5433, 0x0) ioctl$KVM_X86_SET_MCE(0xffffffffffffffff, 0x4040ae9e, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) semctl$GETZCNT(0x0, 0x1, 0xf, &(0x7f0000000600)=""/4096) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000440)={0xffff, 0x0, 0x0, 0x6}) ioctl$DRM_IOCTL_SG_ALLOC(0xffffffffffffffff, 0xc0106438, &(0x7f0000000480)={0xa4}) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x0, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000400)={0x0, 0x2, 0x914, 0x4000000005}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r2, &(0x7f0000000000), &(0x7f0000000100)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000280)={r2, &(0x7f0000000200), &(0x7f0000000440)}, 0x20) ioctl$FS_IOC_GETVERSION(r2, 0x80087601, &(0x7f00000001c0)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={0xffffffffffffffff, 0x0, &(0x7f0000000100)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, 0x0, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(0xffffffffffffffff, 0x40086607, &(0x7f00000003c0)=0xd29) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(0xffffffffffffffff, 0x4040ae75, &(0x7f0000000040)={0x5, 0x0, 0x1, 0x2}) ioctl$sock_x25_SIOCADDRT(r0, 0x890b, &(0x7f00000002c0)={@remote={[], 0x0}, 0xe, 'caif0\x00'}) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r0, 0x4020565b, &(0x7f0000000200)={0x0, 0x9d1, 0x2}) ioctl$sock_ifreq(r1, 0x8991, &(0x7f00000000c0)={'\x00', @ifru_names='bond_slave_1\x00'}) ioctl$sock_ifreq(r1, 0x8990, &(0x7f0000000240)={'\x00', @ifru_names}) syz_open_procfs(0x0, 0x0) [ 64.186158][ T8501] device hsr_slave_1 entered promiscuous mode [ 64.290841][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.310029][ T8512] IPVS: ftp: loaded support on port[0] = 21 [ 64.339867][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.371172][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 64.402642][ T8514] IPVS: ftp: loaded support on port[0] = 21 [ 64.443875][ T8503] team0: Port device team_slave_0 added [ 64.485320][ T8503] team0: Port device team_slave_1 added [ 64.493248][ T8501] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.577121][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.584239][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.592679][ T8508] device bridge_slave_0 entered promiscuous mode [ 64.600386][ T8501] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.659488][ T8501] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.720031][ T8501] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.788448][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.795525][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.804060][ T8508] device bridge_slave_1 entered promiscuous mode [ 64.820387][ T8510] chnl_net:caif_netlink_parms(): no params data found [ 64.898620][ T8503] device hsr_slave_0 entered promiscuous mode [ 64.956176][ T8503] device hsr_slave_1 entered promiscuous mode [ 64.995822][ T8503] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.003580][ T8503] Cannot create hsr debugfs directory [ 65.012025][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.054572][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.080810][ T8508] team0: Port device team_slave_0 added [ 65.128298][ T8508] team0: Port device team_slave_1 added [ 65.152876][ T8512] chnl_net:caif_netlink_parms(): no params data found [ 65.173888][ T8510] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.181382][ T8510] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.189428][ T8510] device bridge_slave_0 entered promiscuous mode [ 65.198318][ T8510] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.205371][ T8510] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.213896][ T8510] device bridge_slave_1 entered promiscuous mode [ 65.288445][ T8508] device hsr_slave_0 entered promiscuous mode [ 65.355983][ T8508] device hsr_slave_1 entered promiscuous mode [ 65.405813][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.413396][ T8508] Cannot create hsr debugfs directory [ 65.432378][ T8510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.492102][ T8510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.526793][ T8512] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.533947][ T8512] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.541730][ T8512] device bridge_slave_0 entered promiscuous mode [ 65.549798][ T8512] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.556986][ T8512] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.564743][ T8512] device bridge_slave_1 entered promiscuous mode [ 65.577095][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 65.612206][ T8512] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.652357][ T8510] team0: Port device team_slave_0 added [ 65.665444][ T8510] team0: Port device team_slave_1 added [ 65.673619][ T8512] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.683102][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.690269][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.698259][ T8514] device bridge_slave_0 entered promiscuous mode [ 65.707110][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.714158][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.722760][ T8514] device bridge_slave_1 entered promiscuous mode [ 65.798392][ T8510] device hsr_slave_0 entered promiscuous mode [ 65.846002][ T8510] device hsr_slave_1 entered promiscuous mode [ 65.905729][ T8510] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.913304][ T8510] Cannot create hsr debugfs directory [ 65.939189][ T8503] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.997897][ T8503] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.041716][ T8503] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.099055][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.119696][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.130669][ T8512] team0: Port device team_slave_0 added [ 66.139177][ T8503] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.177942][ T8508] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.218157][ T8508] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.260440][ T8508] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.323990][ T8501] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.333210][ T8512] team0: Port device team_slave_1 added [ 66.377754][ T8512] device hsr_slave_0 entered promiscuous mode [ 66.396622][ T8512] device hsr_slave_1 entered promiscuous mode [ 66.435759][ T8512] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.443379][ T8512] Cannot create hsr debugfs directory [ 66.454887][ T8508] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.517334][ T8501] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.537796][ T8514] team0: Port device team_slave_0 added [ 66.550368][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.560464][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.578362][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.587713][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.597184][ T2739] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.604488][ T2739] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.612741][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.621932][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.630427][ T2739] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.637531][ T2739] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.648662][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.658190][ T8514] team0: Port device team_slave_1 added [ 66.692126][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.701536][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.710518][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.719806][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.728797][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.737822][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.769896][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.804084][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.817313][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.830554][ T8501] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.842125][ T8501] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.878017][ T8514] device hsr_slave_0 entered promiscuous mode [ 66.916072][ T8514] device hsr_slave_1 entered promiscuous mode [ 66.955700][ T8514] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.963279][ T8514] Cannot create hsr debugfs directory [ 66.993111][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.001674][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.058023][ T8510] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.100438][ T8510] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.163089][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.179661][ T8510] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.227410][ T8510] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.296918][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.333889][ T8512] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.370786][ T8512] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.427409][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.434883][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.444190][ T8512] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.513382][ T8508] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.528007][ T8512] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.567948][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.576237][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.583914][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.592785][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.601407][ T2884] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.608511][ T2884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.617590][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.633205][ T8501] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.653089][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.660797][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.671240][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.680553][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.690083][ T2739] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.697187][ T2739] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.704865][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.713833][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.722486][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.730888][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.739339][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.756740][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.775973][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.784493][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.814919][ T8508] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.826087][ T8508] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.843936][ T8514] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.869067][ T8514] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.927328][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.938727][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.947112][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.955290][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.964046][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.972479][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.981284][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.002969][ T8514] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.047146][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.059009][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.067435][ T2739] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.074544][ T2739] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.083133][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.103593][ T8514] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.147495][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.156896][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.165153][ T2701] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.172231][ T2701] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.180410][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.189749][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.197878][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.205252][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.228209][ T8501] device veth0_vlan entered promiscuous mode [ 68.240110][ T8508] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.257830][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.265486][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.275085][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.283714][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.292570][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.301486][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.309939][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.319044][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.332265][ T8503] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.343133][ T8503] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.367706][ T8512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.392755][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.401202][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.410502][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.419520][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.428217][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.436940][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.445409][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.454456][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.468460][ T8501] device veth1_vlan entered promiscuous mode [ 68.485567][ T8512] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.494073][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.502467][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.511073][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.545493][ T8510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.554136][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.568705][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.577567][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.585988][ T2701] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.593031][ T2701] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.600912][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.609462][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.618631][ T2701] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.625772][ T2701] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.634132][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.651547][ T8508] device veth0_vlan entered promiscuous mode [ 68.678664][ T8503] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.688626][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.697651][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.707820][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.715217][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.724465][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.733894][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.743598][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.751737][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.772614][ T8510] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.788263][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.802923][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.812352][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.827578][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.840146][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.870156][ T8508] device veth1_vlan entered promiscuous mode [ 173.885597][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.892494][ C0] rcu: 0-...!: (10499 ticks this GP) idle=6b2/1/0x4000000000000002 softirq=13034/13034 fqs=2 [ 173.902975][ C0] (t=10500 jiffies g=7053 q=94) [ 173.907903][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g7053 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.918987][ C0] rcu: RCU grace-period kthread stack dump: [ 173.924863][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.932756][ C0] Call Trace: [ 173.936044][ C0] __schedule+0x9a0/0xcc0 [ 173.940375][ C0] schedule+0x181/0x210 [ 173.944521][ C0] schedule_timeout+0x14f/0x240 [ 173.949362][ C0] ? run_local_timers+0x120/0x120 [ 173.954402][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.959246][ C0] kthread+0x332/0x350 [ 173.963314][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.968441][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.973030][ C0] ret_from_fork+0x24/0x30 [ 173.977455][ C0] NMI backtrace for cpu 0 [ 173.981777][ C0] CPU: 0 PID: 3864 Comm: kworker/u4:7 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.990173][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.000500][ C0] Workqueue: bat_events batadv_tt_purge [ 174.006039][ C0] Call Trace: [ 174.009316][ C0] [ 174.012157][ C0] dump_stack+0x1fb/0x318 [ 174.016482][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.021452][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.027604][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.033663][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.039639][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.045528][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.050660][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.055853][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.060868][ C0] update_process_times+0x12d/0x180 [ 174.066053][ C0] tick_sched_timer+0x263/0x420 [ 174.070891][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.076426][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.081626][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.086581][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.091857][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.097524][ C0] apic_timer_interrupt+0xf/0x20 [ 174.102455][ C0] [ 174.105389][ C0] RIP: 0010:__memcg_kmem_uncharge+0xc/0x1a0 [ 174.111283][ C0] Code: 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d [ 174.130892][ C0] RSP: 0018:ffffc9000d8679d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.139303][ C0] RAX: ffffffff81489244 RBX: ffffea0002a1db80 RCX: ffff888099af2440 [ 174.147264][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a1db80 [ 174.155224][ C0] RBP: ffffc9000d8679f8 R08: 000000000003a728 R09: ffffed1014560301 [ 174.163186][ C0] R10: ffffed1014560301 R11: 0000000000000000 R12: ffff88809763f520 [ 174.171146][ C0] R13: dffffc0000000000 R14: 1ffff11012ec7ea4 R15: ffff8880a2b017f8 [ 174.179121][ C0] ? free_thread_stack+0x124/0x590 [ 174.184225][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.189607][ C0] free_thread_stack+0x12e/0x590 [ 174.194631][ C0] put_task_stack+0xa3/0x130 [ 174.199214][ C0] finish_task_switch+0x3f1/0x550 [ 174.204257][ C0] __schedule+0x9a8/0xcc0 [ 174.208607][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.213711][ C0] preempt_schedule+0xdb/0x120 [ 174.218467][ C0] ? batadv_tt_purge+0x401/0x950 [ 174.223398][ C0] ___preempt_schedule+0x16/0x18 [ 174.228327][ C0] ? mark_lock+0x107/0x1650 [ 174.232826][ C0] __local_bh_enable_ip+0x17d/0x240 [ 174.238016][ C0] ? batadv_tt_purge+0x401/0x950 [ 174.242942][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 174.247868][ C0] batadv_tt_purge+0x401/0x950 [ 174.252622][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 174.258332][ C0] process_one_work+0x7ef/0x10d0 [ 174.263271][ C0] worker_thread+0xc01/0x1630 [ 174.267958][ C0] kthread+0x332/0x350 [ 174.272014][ C0] ? rcu_lock_release+0x30/0x30 [ 174.276849][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.281430][ C0] ret_from_fork+0x24/0x30