[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.625534][ T23] audit: type=1800 audit(1575421217.070:25): pid=7999 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.646114][ T23] audit: type=1800 audit(1575421217.070:26): pid=7999 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.666029][ T23] audit: type=1800 audit(1575421217.080:27): pid=7999 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 '10.128.1.5' (ECDSA) to the list of known hosts. 2019/12/04 01:00:28 fuzzer started 2019/12/04 01:00:30 dialing manager at 10.128.0.26:42111 2019/12/04 01:00:30 syscalls: 2689 2019/12/04 01:00:30 code coverage: enabled 2019/12/04 01:00:30 comparison tracing: enabled 2019/12/04 01:00:30 extra coverage: extra coverage is not supported by the kernel 2019/12/04 01:00:30 setuid sandbox: enabled 2019/12/04 01:00:30 namespace sandbox: enabled 2019/12/04 01:00:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 01:00:30 fault injection: enabled 2019/12/04 01:00:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 01:00:30 net packet injection: enabled 2019/12/04 01:00:30 net device setup: enabled 2019/12/04 01:00:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 01:00:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:00:31 executing program 0: r0 = socket(0x10, 0x3, 0xc) write(r0, &(0x7f0000000040)="1f0000000104ff00fd4354c007110000f30501000a000600020423df020000", 0xfb) 01:00:31 executing program 1: r0 = syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0x0, 0x0) syz_open_dev$sg(0x0, 0x0, 0x0) close(r0) syzkaller login: [ 57.429487][ T8162] IPVS: ftp: loaded support on port[0] = 21 01:00:32 executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x8000400) r3 = creat(&(0x7f0000000140)='./file0\x00', 0x0) recvmsg$can_bcm(r3, 0x0, 0x0) [ 57.557806][ T8164] IPVS: ftp: loaded support on port[0] = 21 [ 57.600134][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 57.707845][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.730503][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.738304][ T8162] device bridge_slave_0 entered promiscuous mode [ 57.747720][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.760558][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.768528][ T8162] device bridge_slave_1 entered promiscuous mode [ 57.798812][ T8167] IPVS: ftp: loaded support on port[0] = 21 [ 57.823584][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.844751][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:00:32 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ZERO(0xffffffffffffffff, 0x0, 0x48f, &(0x7f0000000040)={0x0, @multicast2, 0x0, 0x0, 'none\x00'}, 0x2c) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000002100000127bd7000ffdbdf2502341408030000000f0000000800012008000f000000000008000200e000000108000200a91414aa"], 0x1}}, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002e80)={0x0, 0x0, &(0x7f0000002dc0)=[{&(0x7f00000014c0)=ANY=[@ANYBLOB="c40f0000000000010000000000000000b40f00b715d24c8b50c4320ef3b64471ff00b9009c05bfdf91a5c2c439ed8b11fe06a2e52ac611123e7a83c6"], 0x1}], 0x1}, 0x0) setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x60, &(0x7f0000000000)={0x0, @empty, 0x0, 0x0, 'dh\x00', 0x0, 0x0, 0x400}, 0x2c) [ 57.881968][ T8162] team0: Port device team_slave_0 added [ 57.904050][ T8162] team0: Port device team_slave_1 added [ 57.924841][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 58.023004][ T8162] device hsr_slave_0 entered promiscuous mode [ 58.060673][ T8162] device hsr_slave_1 entered promiscuous mode 01:00:32 executing program 4: syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x2000) write$FUSE_GETXATTR(0xffffffffffffffff, 0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) 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_config_ext, 0x14110, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) write$eventfd(0xffffffffffffffff, 0x0, 0x0) clock_gettime(0xe, 0x0) utimensat(0xffffffffffffffff, &(0x7f0000000380)='./file0\x00', &(0x7f0000000500), 0x100) ioctl$TIOCLINUX2(0xffffffffffffffff, 0x541c, &(0x7f00000001c0)={0x2, 0x200, 0x1, 0xf88f, 0x0, 0x200}) setsockopt$packet_rx_ring(0xffffffffffffffff, 0x107, 0x5, 0x0, 0x0) r1 = syz_open_dev$dri(&(0x7f00000002c0)='/dev/dri/card#\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = dup3(r1, r2, 0x0) ioctl$TIOCGETD(r3, 0x5424, &(0x7f0000000200)) ioctl$sock_inet_SIOCGIFPFLAGS(r3, 0x8935, 0x0) ioctl$SIOCX25GDTEFACILITIES(r3, 0x89ea, 0x0) fchdir(r0) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) bind$llc(r4, &(0x7f0000000040)={0x1a, 0x1, 0x1f}, 0x10) connect$llc(r4, &(0x7f0000000100)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x10) sendmmsg(r4, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) recvmmsg(r4, &(0x7f00000005c0), 0x400000000000189, 0x0, 0x0) ioctl$sock_FIOGETOWN(r4, 0x8903, &(0x7f0000000300)) [ 58.139735][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 58.283010][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.290071][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.298744][ T8164] device bridge_slave_0 entered promiscuous mode [ 58.312458][ T8162] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.357191][ T8167] chnl_net:caif_netlink_parms(): no params data found [ 58.368467][ T8174] IPVS: ftp: loaded support on port[0] = 21 [ 58.377057][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.384518][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state 01:00:32 executing program 5: socket(0xa, 0x2400000001, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x4000000000000001, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b04, &(0x7f0000000000)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\x0e\x00\x00\x00\x00\x00\x00\x00!\a\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\xbfjOc\xcd\x15\xc1K\xab\xe9\xe3\xe8\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19EI\x952\x12,\xec\x02:a\xad\xef,\xbc (\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1x\\\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\x98T\x1a\x1f\x16\xb9\b\xa2\xb0\a\x00vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa \x91d\xff9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x99\xb9j\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb30\xe8\xdb[\xc8\xe5\xae\x98\xdc\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0X\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xa9O\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x990\xcei\xf2\xd1\x04\xde\xaa\xfa\xc0\xe9c\x81\x86\xc3j2m\xf6B\x19=h\x8fe\xc2\x13\x92?||\xbf\x10\x8f$\xdf^\xba\x04^\x13\r}\xd2n?3O\xb5\xa8\xfa\xfe\xe6\x92\xfd\x1c\xbc\x15\x81G\xbeC\xb2\x80\x87\x83\xb6\xf7wz\xcf\xa3c\xac\xe56\x8cg\x15\x9e\x96c') recvfrom$packet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) [ 58.401662][ T8164] device bridge_slave_1 entered promiscuous mode [ 58.414083][ T8162] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.479876][ T8162] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.559094][ T8162] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.618835][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.647094][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.676366][ T8167] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.677726][ T8177] IPVS: ftp: loaded support on port[0] = 21 [ 58.686108][ T8167] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.699362][ T8167] device bridge_slave_0 entered promiscuous mode [ 58.754318][ T8167] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.762053][ T8167] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.769679][ T8167] device bridge_slave_1 entered promiscuous mode [ 58.807706][ T8164] team0: Port device team_slave_0 added [ 58.821331][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 58.833783][ T8167] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.845485][ T8164] team0: Port device team_slave_1 added [ 58.864339][ T8167] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.903007][ T8167] team0: Port device team_slave_0 added [ 58.953257][ T8164] device hsr_slave_0 entered promiscuous mode [ 59.010771][ T8164] device hsr_slave_1 entered promiscuous mode [ 59.070534][ T8164] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.103679][ T8167] team0: Port device team_slave_1 added [ 59.115266][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.123941][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.131905][ T8171] device bridge_slave_0 entered promiscuous mode [ 59.140890][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.147944][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.155823][ T8171] device bridge_slave_1 entered promiscuous mode [ 59.175000][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 59.283032][ T8167] device hsr_slave_0 entered promiscuous mode [ 59.350701][ T8167] device hsr_slave_1 entered promiscuous mode [ 59.390414][ T8167] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.422186][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.429491][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.437267][ T8177] device bridge_slave_0 entered promiscuous mode [ 59.447112][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.454342][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.462838][ T8177] device bridge_slave_1 entered promiscuous mode [ 59.485204][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.498160][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.516038][ T8174] chnl_net:caif_netlink_parms(): no params data found [ 59.544271][ T8174] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.552152][ T8174] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.559888][ T8174] device bridge_slave_0 entered promiscuous mode [ 59.568251][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.584495][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.601968][ T8174] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.609052][ T8174] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.619201][ T8174] device bridge_slave_1 entered promiscuous mode [ 59.633994][ T8171] team0: Port device team_slave_0 added [ 59.648106][ T8164] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.716646][ T8164] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.768317][ T8171] team0: Port device team_slave_1 added [ 59.775685][ T8177] team0: Port device team_slave_0 added [ 59.784394][ T8177] team0: Port device team_slave_1 added [ 59.801825][ T8164] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.868981][ T8174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.880772][ T8174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.902660][ T8164] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.968271][ T8167] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.015855][ T8167] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.077783][ T8167] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.173230][ T8171] device hsr_slave_0 entered promiscuous mode [ 60.200970][ T8171] device hsr_slave_1 entered promiscuous mode [ 60.260558][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.312251][ T8177] device hsr_slave_0 entered promiscuous mode [ 60.360747][ T8177] device hsr_slave_1 entered promiscuous mode [ 60.400423][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.409918][ T8174] team0: Port device team_slave_0 added [ 60.416054][ T8167] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.486091][ T8162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.496918][ T8174] team0: Port device team_slave_1 added [ 60.552216][ T8174] device hsr_slave_0 entered promiscuous mode [ 60.601037][ T8174] device hsr_slave_1 entered promiscuous mode [ 60.650464][ T8174] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.674667][ T8162] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.694252][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.702830][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.710494][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.718959][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.727764][ T3105] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.734992][ T3105] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.744487][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.768663][ T8177] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.835557][ T8171] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.863408][ T8171] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.902311][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.911451][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.919887][ T8181] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.926973][ T8181] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.934496][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.943493][ T8177] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.992498][ T8177] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.033509][ T8177] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.081377][ T8171] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.123396][ T8171] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.222824][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.232497][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.241609][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.249870][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.259075][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.267703][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.276021][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.284242][ T8174] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.335738][ T8162] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.348045][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.370631][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.378849][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.387399][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.396115][ T8174] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.462653][ T8174] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.543467][ T8174] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.619744][ T8167] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.628869][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.636628][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.654249][ T8164] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.678508][ T8162] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.701394][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.709070][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.728253][ T8177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.738266][ T8167] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.762960][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.775922][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.785304][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.794808][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.804030][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.811158][ T8182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.820809][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.833624][ T8164] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.865059][ T8177] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.878256][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.905347][ T8185] netlink: 'syz-executor.0': attribute type 6 has an invalid length. [ 61.908439][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 166.930271][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.937281][ C0] (detected by 0, t=10502 jiffies, g=6357, q=74) [ 166.943683][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953834-4294943331), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.957030][ C0] kworker/0:0 R running task 26936 5 2 0x80004008 [ 166.964931][ C0] Workqueue: events linkwatch_event [ 166.970115][ C0] Call Trace: [ 166.973394][ C0] [ 166.976236][ C0] sched_show_task+0x40f/0x560 [ 166.980992][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 166.986277][ C0] update_process_times+0x12d/0x180 [ 166.991593][ C0] tick_sched_timer+0x263/0x420 [ 166.996437][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.001974][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.007179][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.012125][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.017407][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.022943][ C0] apic_timer_interrupt+0xf/0x20 [ 167.027994][ C0] [ 167.030938][ C0] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 167.036750][ C0] Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 [ 167.056366][ C0] RSP: 0018:ffffc90000cbf6f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.064772][ C0] RAX: 1ffff11014d5b901 RBX: ffff8880a6adc808 RCX: 0000000000000000 [ 167.072730][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000254f440 [ 167.080697][ C0] RBP: ffffc90000cbf738 R08: 000000000003a768 R09: ffffed1011a3f6e7 [ 167.088656][ C0] R10: ffffed1011a3f6e7 R11: 0000000000000000 R12: ffff888091c27f20 [ 167.096616][ C0] R13: dffffc0000000000 R14: 1ffff11012384fe4 R15: ffff88808d1fb728 [ 167.104598][ C0] ? free_thread_stack+0x168/0x590 [ 167.109716][ C0] put_task_stack+0xa3/0x130 [ 167.114298][ C0] finish_task_switch+0x3f1/0x550 [ 167.119314][ C0] __schedule+0x9a8/0xcc0 [ 167.123645][ C0] ? ___preempt_schedule+0x16/0x18 [ 167.128745][ C0] preempt_schedule+0xdb/0x120 [ 167.133497][ C0] ___preempt_schedule+0x16/0x18 [ 167.138430][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 167.143093][ C0] ? vprintk_emit+0x368/0x3a0 [ 167.147760][ C0] vprintk_emit+0x36d/0x3a0 [ 167.152253][ C0] vprintk_default+0x28/0x30 [ 167.157006][ C0] vprintk_func+0x158/0x170 [ 167.161495][ C0] printk+0x62/0x8d [ 167.165380][ C0] ? addrconf_notify+0xd37/0x3c90 [ 167.170392][ C0] ? addrconf_notify+0x779/0x3c90 [ 167.175410][ C0] addrconf_notify+0x2c8d/0x3c90 [ 167.180363][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 167.185635][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 167.190994][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.196662][ C0] ? trace_hardirqs_on+0x74/0x80 [ 167.201699][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 167.207087][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.212620][ C0] ? tls_dev_event+0x619/0xc00 [ 167.217377][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.222927][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 167.228263][ C0] raw_notifier_call_chain+0xec/0x190 [ 167.233652][ C0] netdev_state_change+0x147/0x1f0 [ 167.238910][ C0] linkwatch_do_dev+0x10e/0x160 [ 167.243763][ C0] __linkwatch_run_queue+0x446/0x730 [ 167.249048][ C0] linkwatch_event+0x4c/0x60 [ 167.253650][ C0] process_one_work+0x7ef/0x10d0 [ 167.258629][ C0] worker_thread+0xc01/0x1630 [ 167.263337][ C0] kthread+0x332/0x350 [ 167.267398][ C0] ? rcu_lock_release+0x30/0x30 [ 167.272374][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.276987][ C0] ret_from_fork+0x24/0x30 [ 167.281432][ C0] rcu: rcu_preempt kthread starved for 10537 jiffies! g6357 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.292533][ C0] rcu: RCU grace-period kthread stack dump: [ 167.298437][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.306537][ C0] Call Trace: [ 167.309957][ C0] __schedule+0x9a0/0xcc0 [ 167.314300][ C0] schedule+0x181/0x210 [ 167.318463][ C0] schedule_timeout+0x14f/0x240 [ 167.323329][ C0] ? run_local_timers+0x120/0x120 [ 167.328361][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.333156][ C0] kthread+0x332/0x350 [ 167.337223][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.342335][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.346938][ C0] ret_from_fork+0x24/0x30