[ 42.574873][ T26] audit: type=1800 audit(1578448857.725:27): pid=8046 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.613428][ T26] audit: type=1800 audit(1578448857.725:28): pid=8046 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. [ 43.294821][ T26] audit: type=1800 audit(1578448858.495:29): pid=8046 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.314654][ T26] audit: type=1800 audit(1578448858.495:30): pid=8046 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 '10.128.0.128' (ECDSA) to the list of known hosts. 2020/01/08 02:01:09 fuzzer started 2020/01/08 02:01:10 dialing manager at 10.128.0.26:35703 2020/01/08 02:01:10 syscalls: 2824 2020/01/08 02:01:10 code coverage: enabled 2020/01/08 02:01:10 comparison tracing: enabled 2020/01/08 02:01:10 extra coverage: enabled 2020/01/08 02:01:10 setuid sandbox: enabled 2020/01/08 02:01:10 namespace sandbox: enabled 2020/01/08 02:01:10 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:01:10 fault injection: enabled 2020/01/08 02:01:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:01:10 net packet injection: enabled 2020/01/08 02:01:10 net device setup: enabled 2020/01/08 02:01:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:01:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:01:11 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) semctl$IPC_INFO(0x0, 0x0, 0x3, &(0x7f00000000c0)=""/26) 02:01:12 executing program 1: r0 = syz_open_dev$video4linux(&(0x7f00000000c0)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc040564a, &(0x7f0000000100)={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7dc25fa122e95fed}}) syzkaller login: [ 56.885773][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 57.008935][ T8212] chnl_net:caif_netlink_parms(): no params data found 02:01:12 executing program 2: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='.\x00', 0x0, 0x0) r1 = fanotify_init(0x0, 0x0) fanotify_mark(r1, 0xd, 0x48000028, r0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) read(r1, 0x0, 0x10d) [ 57.075281][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.082688][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.090949][ T8212] device bridge_slave_0 entered promiscuous mode [ 57.099930][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.107372][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.115369][ T8212] device bridge_slave_1 entered promiscuous mode [ 57.139295][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.150935][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.175193][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 57.177342][ T8212] team0: Port device team_slave_0 added [ 57.188770][ T8212] team0: Port device team_slave_1 added [ 57.257166][ T8212] device hsr_slave_0 entered promiscuous mode [ 57.313678][ T8212] device hsr_slave_1 entered promiscuous mode 02:01:12 executing program 3: r0 = memfd_create(&(0x7f0000000340)='-vboxnet0\x00]\xea\xb0\xe2N\xc6c\x05\x8d\xb5\xc0\n\xad\x0f#+\x17\xd6A\xf4\xdf\x1b\xf9~\x8e\"\r\xff\xbb\xb0\xc3\x86\x97\xaf\xf8\x7f*\xfc\xfd\xe7\xcc\xbc\xddI.\xc3\x9aQ\xc8\x8e8U\xdaX\x06\x92\x1d\xbd\x10\xf9\xe8q\x00\xddr>\xd7\x9f\xf8r\xeeE\xa83K\xf60 \x7f\xcd\xac\x86\x9eT*\xf7\a^L,\x98\xa2(2,\x8c*\xff\x8aA\xa1\x153\x15\b\xcb\xf7\xefw\xa6\xc7c@\xb5\x9b\xdc$`3]\xf9.\xcf\x00', 0x0) ftruncate(r0, 0x1000000) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x2, 0x0) sendfile(r1, r0, 0x0, 0xeefffdef) [ 57.366443][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 57.595635][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 57.612966][ T8221] IPVS: ftp: loaded support on port[0] = 21 02:01:12 executing program 4: r0 = socket$kcm(0x10, 0x2, 0x0) r1 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000080)="2e0000001e008109e00f80ecdb4cb92e0a4824181e0cd30be8bd6efb080003000e00140013000000060005001200", 0x2e}], 0x1}, 0x0) [ 57.636366][ T8212] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.726885][ T8212] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.796724][ T8212] netdevsim netdevsim0 netdevsim2: renamed from eth2 02:01:13 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x3, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x50}, [@ldst={0x5, 0x3, 0x5}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x39f, 0x10, &(0x7f0000000000), 0x1}, 0x48) [ 57.851350][ T8212] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.935216][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 57.951060][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 57.992042][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.999426][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.007052][ T8215] device bridge_slave_0 entered promiscuous mode [ 58.037097][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.044619][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.052057][ T8215] device bridge_slave_1 entered promiscuous mode [ 58.097832][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.112761][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.120683][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.128492][ T8217] device bridge_slave_0 entered promiscuous mode [ 58.136262][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.145811][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.146959][ T8225] IPVS: ftp: loaded support on port[0] = 21 [ 58.159471][ T8217] device bridge_slave_1 entered promiscuous mode [ 58.180107][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.196389][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.217308][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.247695][ T8215] team0: Port device team_slave_0 added [ 58.258359][ T8215] team0: Port device team_slave_1 added [ 58.283139][ T8217] team0: Port device team_slave_0 added [ 58.327966][ T8217] team0: Port device team_slave_1 added [ 58.385907][ T8215] device hsr_slave_0 entered promiscuous mode [ 58.453581][ T8215] device hsr_slave_1 entered promiscuous mode [ 58.533417][ T8215] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.541133][ T8215] Cannot create hsr debugfs directory [ 58.548281][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 58.591304][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 58.675987][ T8217] device hsr_slave_0 entered promiscuous mode [ 58.724929][ T8217] device hsr_slave_1 entered promiscuous mode [ 58.773407][ T8217] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.781016][ T8217] Cannot create hsr debugfs directory [ 58.835287][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.842398][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.850480][ T8223] device bridge_slave_0 entered promiscuous mode [ 58.858398][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.865524][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.872988][ T8223] device bridge_slave_1 entered promiscuous mode [ 58.895805][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.902862][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.910453][ T8221] device bridge_slave_0 entered promiscuous mode [ 58.918913][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.926144][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.933927][ T8221] device bridge_slave_1 entered promiscuous mode [ 58.959610][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.988518][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.999438][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.029202][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.061620][ T8212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.087912][ T8223] team0: Port device team_slave_0 added [ 59.118342][ T8221] team0: Port device team_slave_0 added [ 59.129922][ T8212] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.138439][ T8223] team0: Port device team_slave_1 added [ 59.150650][ T8215] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.228657][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.236995][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.261425][ T8221] team0: Port device team_slave_1 added [ 59.268049][ T8215] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.316568][ T8215] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.365636][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.374484][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.383061][ T2674] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.390249][ T2674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.398699][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.456236][ T8223] device hsr_slave_0 entered promiscuous mode [ 59.503670][ T8223] device hsr_slave_1 entered promiscuous mode [ 59.553446][ T8223] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.561021][ T8223] Cannot create hsr debugfs directory [ 59.575268][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 59.588466][ T8215] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.660177][ T8217] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.704886][ T8217] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.763455][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.771999][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.780387][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.787494][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.795079][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.826689][ T8217] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.865701][ T8217] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.945789][ T8221] device hsr_slave_0 entered promiscuous mode [ 59.984055][ T8221] device hsr_slave_1 entered promiscuous mode [ 60.023589][ T8221] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.031187][ T8221] Cannot create hsr debugfs directory [ 60.045515][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.054345][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.062794][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.071326][ T4001] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.142852][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.150194][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.160657][ T8225] device bridge_slave_0 entered promiscuous mode [ 60.173226][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.181976][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.190343][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.198595][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.211972][ T8223] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.275078][ T8223] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.314994][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.322057][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.330063][ T8225] device bridge_slave_1 entered promiscuous mode [ 60.353528][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.366368][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.375781][ T8223] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.426188][ T8223] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.472486][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.486149][ T8212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.500406][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.531175][ T8221] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.577760][ T8221] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.634130][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.641506][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.652134][ T8225] team0: Port device team_slave_0 added [ 60.660033][ T8221] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.716982][ T8221] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.778738][ T8212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.788009][ T8225] team0: Port device team_slave_1 added [ 60.834844][ T8225] device hsr_slave_0 entered promiscuous mode [ 60.883712][ T8225] device hsr_slave_1 entered promiscuous mode [ 60.933517][ T8225] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.941090][ T8225] Cannot create hsr debugfs directory [ 61.024515][ T8217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.040553][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.049366][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.078134][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.108705][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.117507][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.125207][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.133171][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.142033][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.149890][ T3991] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.160942][ T8212] device veth0_vlan entered promiscuous mode [ 61.170420][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.196893][ T8217] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.217737][ T8225] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.267231][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.275819][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.284565][ T2674] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.291600][ T2674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.299502][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.308115][ T8212] device veth1_vlan entered promiscuous mode [ 61.322715][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.330232][ T8225] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.385733][ T8225] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.426435][ T8225] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.475108][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.482990][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.490852][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.498556][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.507595][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.516211][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.523257][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.542267][ T8221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.569185][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.578336][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.588819][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.602161][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.612290][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.621027][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.629942][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.638381][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.645471][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.652987][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.661735][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.670116][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.677188][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.685624][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.694651][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.702968][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.710642][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.718647][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.726814][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.765587][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.788063][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.803101][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.812184][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.821016][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.829872][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.838614][ T2674] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.845722][ T2674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.854877][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.863944][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.872318][ T2674] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.879427][ T2674] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.887722][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.896526][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.912636][ T8221] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.936574][ T8223] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.952580][ T8223] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.991308][ T8223] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.803332][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.810187][ C1] rcu: 1-...!: (10499 ticks this GP) idle=38e/1/0x4000000000000002 softirq=11275/11275 fqs=9 [ 166.820656][ C1] (t=10500 jiffies g=6245 q=221) [ 166.825671][ C1] rcu: rcu_preempt kthread starved for 10480 jiffies! g6245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.836750][ C1] rcu: RCU grace-period kthread stack dump: [ 166.842625][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.850512][ C1] Call Trace: [ 166.853799][ C1] __schedule+0x9a0/0xcc0 [ 166.858127][ C1] schedule+0x181/0x210 [ 166.862273][ C1] schedule_timeout+0x14f/0x240 [ 166.867130][ C1] ? run_local_timers+0x120/0x120 [ 166.872144][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.876904][ C1] kthread+0x332/0x350 [ 166.880968][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.886078][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.890662][ C1] ret_from_fork+0x24/0x30 [ 166.895076][ C1] NMI backtrace for cpu 1 [ 166.899399][ C1] CPU: 1 PID: 7885 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 166.907182][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.917223][ C1] Call Trace: [ 166.920492][ C1] [ 166.923352][ C1] dump_stack+0x1fb/0x318 [ 166.927673][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.932513][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.938654][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.944706][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.950677][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.956559][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.961661][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.966849][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.971870][ C1] update_process_times+0x12d/0x180 [ 166.977066][ C1] tick_sched_timer+0x263/0x420 [ 166.981908][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.987442][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.992659][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.997616][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.002894][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.008429][ C1] apic_timer_interrupt+0xf/0x20 [ 167.013352][ C1] [ 167.016306][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 167.022015][ C1] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 167.041605][ C1] RSP: 0018:ffffc90006d47b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.050015][ C1] RAX: 0000000000000001 RBX: ffffea0002661640 RCX: 0000000000000000 [ 167.057989][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002661640 [ 167.065954][ C1] RBP: ffffc90006d47b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 167.073914][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809012e820 [ 167.081875][ C1] R13: dffffc0000000000 R14: 1ffff11012025d04 R15: ffff888090407478 [ 167.089863][ C1] put_task_stack+0xa3/0x130 [ 167.094454][ C1] finish_task_switch+0x3f1/0x550 [ 167.099482][ C1] __schedule+0x9a8/0xcc0 [ 167.103813][ C1] schedule+0x181/0x210 [ 167.107963][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.114024][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.119937][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 167.125301][ C1] ep_poll+0xa4d/0xe80 [ 167.129373][ C1] ? do_task_dead+0xc0/0xc0 [ 167.133866][ C1] ? __kasan_check_read+0x11/0x20 [ 167.138883][ C1] do_epoll_wait+0x1ee/0x260 [ 167.143483][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 167.148501][ C1] do_syscall_64+0xf7/0x1c0 [ 167.152993][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.158874][ C1] RIP: 0033:0x7f56a5885943 [ 167.163308][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 167.182904][ C1] RSP: 002b:00007ffc1b31c1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 167.191306][ C1] RAX: ffffffffffffffda RBX: 0000000001162250 RCX: 00007f56a5885943 [ 167.199281][ C1] RDX: 0000000000000004 RSI: 00007ffc1b31c280 RDI: 0000000000000007 [ 167.207256][ C1] RBP: 0000000000625500 R08: 00007ffc1b31c1a0 R09: 00007ffc1b37c0b8 [ 167.215216][ C1] R10: 000000000000ee40 R11: 0000000000000246 R12: 0000000001173a00 [ 167.223189][ C1] R13: 00007ffc1b31d2d7 R14: 0000000000000005 R15: 0000000001162250