[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.325964][ T26] audit: type=1800 audit(1578473601.070:25): pid=8466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.358261][ T26] audit: type=1800 audit(1578473601.070:26): pid=8466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.392343][ T26] audit: type=1800 audit(1578473601.070:27): pid=8466 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 '10.128.1.29' (ECDSA) to the list of known hosts. 2020/01/08 08:53:32 fuzzer started 2020/01/08 08:53:34 dialing manager at 10.128.0.26:35703 2020/01/08 08:53:34 syscalls: 2824 2020/01/08 08:53:34 code coverage: enabled 2020/01/08 08:53:34 comparison tracing: enabled 2020/01/08 08:53:34 extra coverage: enabled 2020/01/08 08:53:34 setuid sandbox: enabled 2020/01/08 08:53:34 namespace sandbox: enabled 2020/01/08 08:53:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:53:34 fault injection: enabled 2020/01/08 08:53:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:53:34 net packet injection: enabled 2020/01/08 08:53:34 net device setup: enabled 2020/01/08 08:53:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:53:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:53:35 executing program 0: readv(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f0000000580)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe9, 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 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) connect$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, {0x0, 0x2, 0x0, 0x0, 0x4}}, 0x32) 08:53:35 executing program 1: r0 = socket$inet(0x10, 0x3, 0xc) sendmsg(r0, &(0x7f00000000c0)={0x0, 0x7c, &(0x7f0000000100)=[{&(0x7f0000000000)="24000000100007031dfffd946fa2830020200a0009000100000000010000aba20400ff7e28000000190affffba01000000ff000000000000008be3518546c8243929db2406b20cd37ed01cc0", 0xff04}], 0x1}, 0x0) syzkaller login: [ 69.700238][ T8632] IPVS: ftp: loaded support on port[0] = 21 08:53:35 executing program 2: bind$unix(0xffffffffffffffff, 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) tkill(0x0, 0x0) syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x0, &(0x7f00000002c0), 0x0, &(0x7f0000000800)={[{@fat=@nocase='nocase'}, {@dots='dots'}]}) [ 69.856583][ T8634] IPVS: ftp: loaded support on port[0] = 21 [ 69.874797][ T8632] chnl_net:caif_netlink_parms(): no params data found [ 70.030223][ T8632] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.038050][ T8632] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.046078][ T8632] device bridge_slave_0 entered promiscuous mode [ 70.055957][ T8632] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.063329][ T8632] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.072265][ T8632] device bridge_slave_1 entered promiscuous mode [ 70.088098][ T8637] IPVS: ftp: loaded support on port[0] = 21 [ 70.141706][ T8632] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.160718][ T8632] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:53:36 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6) 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) sendto$inet6(r0, &(0x7f0000000000), 0xffa7, 0xa00000000000000, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0xac141403}}, 0x1c) [ 70.224607][ T8632] team0: Port device team_slave_0 added [ 70.242488][ T8632] team0: Port device team_slave_1 added [ 70.248271][ T8634] chnl_net:caif_netlink_parms(): no params data found [ 70.391168][ T8632] device hsr_slave_0 entered promiscuous mode [ 70.419477][ T8632] device hsr_slave_1 entered promiscuous mode 08:53:36 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x9, 0x4, &(0x7f00000033c0)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x6, 0x2, 0x1}]}, &(0x7f0000000140)='GPL\x00', 0x1, 0xfb, &(0x7f0000000200)=""/251}, 0x48) [ 70.560408][ T8634] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.567508][ T8634] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.592601][ T8634] device bridge_slave_0 entered promiscuous mode [ 70.626480][ T8640] IPVS: ftp: loaded support on port[0] = 21 [ 70.669588][ T8634] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.676672][ T8634] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.687592][ T8634] device bridge_slave_1 entered promiscuous mode [ 70.703991][ T8637] chnl_net:caif_netlink_parms(): no params data found 08:53:36 executing program 5: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_S_FRAME_INTERVAL(r0, 0x4020565a, &(0x7f0000000000)={0x3}) [ 70.775623][ T8634] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.788659][ T8643] IPVS: ftp: loaded support on port[0] = 21 [ 70.810385][ T8634] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.889482][ T8632] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.937350][ T8637] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.944983][ T8637] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.952911][ T8637] device bridge_slave_0 entered promiscuous mode [ 70.969410][ T8632] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.023302][ T8634] team0: Port device team_slave_0 added [ 71.029813][ T8637] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.036913][ T8637] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.045805][ T8637] device bridge_slave_1 entered promiscuous mode [ 71.066346][ T8645] IPVS: ftp: loaded support on port[0] = 21 [ 71.076095][ T8632] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.142542][ T8632] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.201525][ T8634] team0: Port device team_slave_1 added [ 71.215527][ T8637] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.258461][ T8637] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.305927][ T8640] chnl_net:caif_netlink_parms(): no params data found [ 71.361459][ T8634] device hsr_slave_0 entered promiscuous mode [ 71.410379][ T8634] device hsr_slave_1 entered promiscuous mode [ 71.448866][ T8634] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.456856][ T8634] Cannot create hsr debugfs directory [ 71.535160][ T8637] team0: Port device team_slave_0 added [ 71.543638][ T8637] team0: Port device team_slave_1 added [ 71.580541][ T8643] chnl_net:caif_netlink_parms(): no params data found [ 71.592205][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.599512][ T8640] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.607131][ T8640] device bridge_slave_0 entered promiscuous mode [ 71.681064][ T8637] device hsr_slave_0 entered promiscuous mode [ 71.739093][ T8637] device hsr_slave_1 entered promiscuous mode [ 71.798857][ T8637] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.806443][ T8637] Cannot create hsr debugfs directory [ 71.825648][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.834168][ T8640] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.842232][ T8640] device bridge_slave_1 entered promiscuous mode [ 71.862416][ T8640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.879740][ T8640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.958638][ T8640] team0: Port device team_slave_0 added [ 71.967572][ T8640] team0: Port device team_slave_1 added [ 71.998051][ T8645] chnl_net:caif_netlink_parms(): no params data found [ 72.015024][ T8643] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.022471][ T8643] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.030257][ T8643] device bridge_slave_0 entered promiscuous mode [ 72.057184][ T8634] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.120471][ T8643] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.127638][ T8643] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.138138][ T8643] device bridge_slave_1 entered promiscuous mode [ 72.211576][ T8640] device hsr_slave_0 entered promiscuous mode [ 72.249213][ T8640] device hsr_slave_1 entered promiscuous mode [ 72.318817][ T8640] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.326393][ T8640] Cannot create hsr debugfs directory [ 72.337684][ T8634] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.380579][ T8634] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.434565][ T8634] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.521773][ T8643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.555168][ T8643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.570885][ T8645] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.578048][ T8645] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.586741][ T8645] device bridge_slave_0 entered promiscuous mode [ 72.611091][ T8632] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.623120][ T8645] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.631553][ T8645] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.640718][ T8645] device bridge_slave_1 entered promiscuous mode [ 72.665369][ T8637] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.710592][ T8637] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.762739][ T8643] team0: Port device team_slave_0 added [ 72.770306][ T8645] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.782553][ T8645] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.807593][ T8637] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.871556][ T8643] team0: Port device team_slave_1 added [ 72.877326][ T8637] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.930237][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.941896][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.951598][ T8632] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.960562][ T8645] team0: Port device team_slave_0 added [ 72.984409][ T8640] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.025561][ T8640] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.061569][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.070747][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.079388][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.086627][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.095904][ T8645] team0: Port device team_slave_1 added [ 73.110211][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.136287][ T8640] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.181626][ T8640] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.224565][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.233630][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.242752][ T2871] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.249884][ T2871] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.257568][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.266200][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.330553][ T8643] device hsr_slave_0 entered promiscuous mode [ 73.359905][ T8643] device hsr_slave_1 entered promiscuous mode [ 73.408866][ T8643] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.416456][ T8643] Cannot create hsr debugfs directory [ 73.471616][ T8645] device hsr_slave_0 entered promiscuous mode [ 73.529833][ T8645] device hsr_slave_1 entered promiscuous mode [ 73.588835][ T8645] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.596734][ T8645] Cannot create hsr debugfs directory [ 73.610052][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.618538][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.627745][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.708608][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.723831][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.752472][ T8634] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.771494][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.780922][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.789585][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.797811][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.823933][ T8632] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.845983][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.854516][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.873048][ T8643] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.920713][ T8643] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.991105][ T8643] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.064192][ T8643] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.122601][ T8634] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.129875][ T8645] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.202615][ T8632] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.224889][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.232513][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.240145][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.249801][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.258126][ T3139] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.266109][ T3139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.273896][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.282768][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.291132][ T3139] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.298500][ T3139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.306307][ T8645] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.352915][ T8637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.375585][ T8637] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.385575][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.393778][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.402336][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.410120][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.418541][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.428456][ T8645] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.482559][ T8645] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.558886][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.567544][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.576450][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.585394][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.594293][ T3139] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.601386][ T3139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.621100][ T8634] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.631617][ T8634] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.664102][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.672232][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.681068][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.693189][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.701760][ T3139] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.709259][ T3139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.717182][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.726261][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.734602][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.743318][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.752320][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.760859][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.769373][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.777558][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.785859][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.794370][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.805502][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.813263][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.822594][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.831629][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.878137][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.886363][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.897042][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.909474][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.917823][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.926641][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.935235][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.943802][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.954640][ T8634] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.969051][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.977261][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.991873][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.020773][ T8632] device veth0_vlan entered promiscuous mode [ 75.027401][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.035997][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.044089][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.052909][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.081663][ T8632] device veth1_vlan entered promiscuous mode [ 75.096320][ T8643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.141010][ T8634] device veth0_vlan entered promiscuous mode [ 75.150365][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.158378][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.167231][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.175978][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.185000][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.193310][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.201375][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.209433][ T2816] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.223544][ T8640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.237971][ T8643] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.255730][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.273879][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.288289][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.300114][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.308636][ T2871] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.315756][ T2871] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.323926][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.332876][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.342068][ T2871] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.349188][ T2871] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.362441][ T8637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.391304][ T8634] device veth1_vlan entered promiscuous mode [ 75.457678][ T8640] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.517592][ T8640] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.533855][ T8640] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.579513][ T8640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.638308][ T8640] device veth0_vlan entered promiscuous mode [ 75.659472][ T8640] device veth1_vlan entered promiscuous mode [ 180.338670][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.345512][ C0] rcu: 0-....: (1 GPs behind) idle=8fa/1/0x4000000000000002 softirq=13848/13857 fqs=2745 [ 180.355673][ C0] (t=10501 jiffies g=7221 q=755) [ 180.360692][ C0] rcu: rcu_preempt kthread starved for 5009 jiffies! g7221 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.371709][ C0] rcu: RCU grace-period kthread stack dump: [ 180.377624][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 180.385531][ C0] Call Trace: [ 180.389429][ C0] __schedule+0x9a0/0xcc0 [ 180.393759][ C0] schedule+0x181/0x210 [ 180.397925][ C0] schedule_timeout+0x14f/0x240 [ 180.402772][ C0] ? run_local_timers+0x120/0x120 [ 180.407998][ C0] rcu_gp_kthread+0xed8/0x1770 [ 180.412783][ C0] kthread+0x332/0x350 [ 180.416849][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 180.422477][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.427156][ C0] ret_from_fork+0x24/0x30 [ 180.431579][ C0] NMI backtrace for cpu 0 [ 180.435899][ C0] CPU: 0 PID: 8650 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.444483][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.454529][ C0] Call Trace: [ 180.457826][ C0] [ 180.460673][ C0] dump_stack+0x1fb/0x318 [ 180.464994][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.469834][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.476014][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.482071][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.488564][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.494448][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.499572][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.504765][ C0] ? trace_hardirqs_off+0x74/0x80 [ 180.509788][ C0] update_process_times+0x12d/0x180 [ 180.514979][ C0] tick_sched_timer+0x263/0x420 [ 180.519822][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.525366][ C0] __hrtimer_run_queues+0x403/0x840 [ 180.530744][ C0] hrtimer_interrupt+0x38c/0xda0 [ 180.535691][ C0] ? debug_smp_processor_id+0x9/0x20 [ 180.540969][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 180.546595][ C0] apic_timer_interrupt+0xf/0x20 [ 180.551781][ C0] [ 180.554713][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 180.560859][ C0] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 180.580464][ C0] RSP: 0000:ffffc90002317900 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.589473][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88809fafe500 [ 180.598231][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025cee00 [ 180.606646][ C0] RBP: ffffc90002317928 R08: dffffc0000000000 R09: fffffbfff124248a [ 180.614613][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000 [ 180.622576][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808eea9578 [ 180.630558][ C0] ? mod_memcg_page_state+0x123/0x190 [ 180.635941][ C0] ? mod_memcg_page_state+0x123/0x190 [ 180.641304][ C0] free_thread_stack+0x168/0x590 [ 180.646238][ C0] put_task_stack+0xa3/0x130 [ 180.650820][ C0] finish_task_switch+0x3f1/0x550 [ 180.655842][ C0] __schedule+0x9a8/0xcc0 [ 180.660173][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 180.665972][ C0] preempt_schedule_notrace+0xdb/0x120 [ 180.671455][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 180.677086][ C0] ? rcu_is_watching+0x57/0xa0 [ 180.681843][ C0] rcu_is_watching+0x82/0xa0 [ 180.686426][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 180.691615][ C0] ? __should_failslab+0x11a/0x160 [ 180.696719][ C0] ? __anon_vma_prepare+0x68/0x4c0 [ 180.701837][ C0] kmem_cache_alloc+0x86/0x2e0 [ 180.706593][ C0] ? __might_sleep+0x8f/0x100 [ 180.711262][ C0] __anon_vma_prepare+0x68/0x4c0 [ 180.716198][ C0] do_anonymous_page+0x1227/0x1610 [ 180.721346][ C0] handle_mm_fault+0x1bce/0x2890 [ 180.726297][ C0] do_user_addr_fault+0x589/0xaf0 [ 180.731353][ C0] __do_page_fault+0xd3/0x1f0 [ 180.736021][ C0] do_page_fault+0x99/0xb0 [ 180.740520][ C0] page_fault+0x39/0x40 [ 180.744664][ C0] RIP: 0033:0x41273f [ 180.748556][ C0] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 180.768163][ C0] RSP: 002b:00007ffe0cce0190 EFLAGS: 00010206 [ 180.774285][ C0] RAX: 00007f6a93c7f000 RBX: 0000000000020000 RCX: 000000000045af9a [ 180.782270][ C0] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 180.790254][ C0] RBP: 00007ffe0cce0270 R08: ffffffffffffffff R09: 0000000000000000 [ 180.798304][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0cce0360 [ 180.806803][ C0] R13: 00007f6a93c9f700 R14: 0000000000000000 R15: 000000000075bf2c