[ 42.316054][ T25] audit: type=1800 audit(1575420799.808:25): pid=8021 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.338657][ T25] audit: type=1800 audit(1575420799.808:26): pid=8021 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.377937][ T25] audit: type=1800 audit(1575420799.808:27): pid=8021 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.397482][ T25] audit: type=1800 audit(1575420799.808:28): pid=8021 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. 2019/12/04 00:53:28 fuzzer started 2019/12/04 00:53:30 dialing manager at 10.128.0.26:42111 2019/12/04 00:53:30 syscalls: 2689 2019/12/04 00:53:30 code coverage: enabled 2019/12/04 00:53:30 comparison tracing: enabled 2019/12/04 00:53:30 extra coverage: extra coverage is not supported by the kernel 2019/12/04 00:53:30 setuid sandbox: enabled 2019/12/04 00:53:30 namespace sandbox: enabled 2019/12/04 00:53:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 00:53:30 fault injection: enabled 2019/12/04 00:53:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 00:53:30 net packet injection: enabled 2019/12/04 00:53:30 net device setup: enabled 2019/12/04 00:53:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 00:53:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:53:31 executing program 0: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="8a", 0x1}], 0x1, 0x0) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 00:53:32 executing program 1: mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0x2, 0x4000020032, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0x8000001000000005, &(0x7f00000020c0)=""/4096, &(0x7f0000000100)=0x1267) syzkaller login: [ 54.597097][ T8184] IPVS: ftp: loaded support on port[0] = 21 00:53:32 executing program 2: unshare(0x600) r0 = inotify_init() ioctl$INOTIFY_IOC_SETNEXTWD(r0, 0x40044900, 0x0) [ 54.756917][ T8184] chnl_net:caif_netlink_parms(): no params data found [ 54.845134][ T8188] IPVS: ftp: loaded support on port[0] = 21 [ 54.855485][ T8184] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.882579][ T8184] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.899631][ T8184] device bridge_slave_0 entered promiscuous mode [ 54.931587][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.948652][ T8184] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.956590][ T8184] device bridge_slave_1 entered promiscuous mode 00:53:32 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) open(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) mount(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000140)='ramfs\x00', 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x100000, 0x0) mount(&(0x7f0000000040)=ANY=[], &(0x7f00000001c0)='./file0\x00', 0x0, 0x5010, 0x0) mount(&(0x7f00000000c0)=@loop={'/\x00\x00v0\a\x00', 0x0}, &(0x7f00000002c0)='./file0\x00', 0x0, 0x5010, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) umount2(&(0x7f0000000180)='./file0\x00', 0x2) [ 55.010944][ T8184] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.034449][ T8184] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.111142][ T8184] team0: Port device team_slave_0 added [ 55.134413][ T8190] IPVS: ftp: loaded support on port[0] = 21 [ 55.134820][ T8188] chnl_net:caif_netlink_parms(): no params data found [ 55.171635][ T8184] team0: Port device team_slave_1 added [ 55.187557][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.196432][ T8188] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.204642][ T8188] device bridge_slave_0 entered promiscuous mode [ 55.215797][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.223068][ T8188] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.232827][ T8188] device bridge_slave_1 entered promiscuous mode [ 55.253885][ T8188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.276894][ T8188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:53:32 executing program 4: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621d6234555c08dc540473786cd89e9b08e3f5972fe9ca162b123e19268c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b59c41705b96a6711d4679079d00"/137], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@posixacl='posixacl'}]}}) [ 55.351379][ T8184] device hsr_slave_0 entered promiscuous mode [ 55.389731][ T8184] device hsr_slave_1 entered promiscuous mode [ 55.449866][ T8188] team0: Port device team_slave_0 added [ 55.466552][ T8193] IPVS: ftp: loaded support on port[0] = 21 [ 55.491340][ T8188] team0: Port device team_slave_1 added 00:53:33 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000040)={0x1}) fcntl$lock(r0, 0x24, &(0x7f0000000180)) [ 55.620852][ T8188] device hsr_slave_0 entered promiscuous mode [ 55.661662][ T8188] device hsr_slave_1 entered promiscuous mode [ 55.729049][ T8188] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.747442][ T8195] IPVS: ftp: loaded support on port[0] = 21 [ 55.776335][ T8184] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.811891][ T8184] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.893596][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 55.924162][ T8184] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.992349][ T8184] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.059653][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 56.092621][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.099856][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.107393][ T8190] device bridge_slave_0 entered promiscuous mode [ 56.115597][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.123050][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.130917][ T8190] device bridge_slave_1 entered promiscuous mode [ 56.153741][ T8188] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.223429][ T8188] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.282902][ T8188] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.331074][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.342937][ T8188] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.422016][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.490775][ T8190] team0: Port device team_slave_0 added [ 56.511681][ T8190] team0: Port device team_slave_1 added [ 56.517686][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 56.554276][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.561658][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.570500][ T8193] device bridge_slave_0 entered promiscuous mode [ 56.578463][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.585748][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.594472][ T8193] device bridge_slave_1 entered promiscuous mode [ 56.636804][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.658342][ T8195] chnl_net:caif_netlink_parms(): no params data found [ 56.680990][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.711230][ T8190] device hsr_slave_0 entered promiscuous mode [ 56.769210][ T8190] device hsr_slave_1 entered promiscuous mode [ 56.808786][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.882224][ T8193] team0: Port device team_slave_0 added [ 56.888103][ T8198] chnl_net:caif_netlink_parms(): no params data found [ 56.911304][ T8193] team0: Port device team_slave_1 added [ 56.917098][ T8195] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.924381][ T8195] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.932661][ T8195] device bridge_slave_0 entered promiscuous mode [ 56.944612][ T8195] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.951891][ T8195] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.959738][ T8195] device bridge_slave_1 entered promiscuous mode [ 57.000130][ T8195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.060362][ T8193] device hsr_slave_0 entered promiscuous mode [ 57.088983][ T8193] device hsr_slave_1 entered promiscuous mode [ 57.128710][ T8193] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.137570][ T8195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.157182][ T8190] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.214835][ T8184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.235368][ T8190] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.286645][ T8198] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.294456][ T8198] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.302676][ T8198] device bridge_slave_0 entered promiscuous mode [ 57.311953][ T8195] team0: Port device team_slave_0 added [ 57.324609][ T8190] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.365047][ T8190] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.423743][ T8198] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.430969][ T8198] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.438915][ T8198] device bridge_slave_1 entered promiscuous mode [ 57.446657][ T8195] team0: Port device team_slave_1 added [ 57.455143][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.463838][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.485788][ T8188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.508246][ T8184] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.523889][ T8198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.541311][ T8193] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.580888][ T8193] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.641845][ T8198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.711479][ T8195] device hsr_slave_0 entered promiscuous mode [ 57.749470][ T8195] device hsr_slave_1 entered promiscuous mode [ 57.828746][ T8195] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.845451][ T8188] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.853846][ T8193] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.892466][ T8193] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.954201][ T8198] team0: Port device team_slave_0 added [ 57.961465][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.971146][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.979975][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.987153][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.995224][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.004206][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.012107][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.020729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.029167][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.036331][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.044258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.063162][ T8198] team0: Port device team_slave_1 added [ 58.070497][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.104267][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.117180][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.126310][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.133406][ T8204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.142533][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.150529][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.176210][ T8195] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.220334][ T8195] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.260274][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.272000][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.281550][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.288674][ T8200] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.296301][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.304854][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.351953][ T8198] device hsr_slave_0 entered promiscuous mode [ 58.409117][ T8198] device hsr_slave_1 entered promiscuous mode [ 58.458631][ T8198] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.466588][ T8195] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.520757][ T8195] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.551052][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.560988][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.569893][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.579085][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.587353][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.596306][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.605203][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.644178][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.653011][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.663275][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.672860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.681436][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.689841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.697970][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.706692][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.716874][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.753218][ T8190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.762190][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.781311][ T8184] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.792953][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.802101][ T8198] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.830514][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.839711][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.866334][ T8198] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.902336][ T8198] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.965605][ T8198] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.028278][ T8190] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.043352][ T8193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.053792][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.061585][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.088129][ T8184] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.105762][ T8193] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.113042][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.122873][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.132420][ T8200] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.139543][ T8200] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.147283][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.156273][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.165033][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.172160][ T8200] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.180964][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.189048][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.196997][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.204594][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.212426][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.220320][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.272458][ T8188] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.281631][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.290948][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.307024][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.315892][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.325197][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.334043][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.343143][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.352269][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.360781][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.369532][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.378205][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.387070][ T8200] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.395986][ T8200] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.403770][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.412458][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.421795][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.428929][ T8200] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.436449][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.445877][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.456254][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.464613][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.472870][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.481638][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.503921][ T8190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.544205][ T8195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.596827][ T8195] 8021q: adding VLAN 0 to HW filter on device team0 [ 164.588518][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.595548][ C0] (detected by 0, t=10502 jiffies, g=6485, q=140) [ 164.602036][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953604-4294943101), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 164.615380][ C0] syz-executor.1 R running task 29000 8208 8188 0x0000400e [ 164.623701][ C0] Call Trace: [ 164.626992][ C0] [ 164.629870][ C0] sched_show_task+0x40f/0x560 [ 164.634647][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 164.639928][ C0] update_process_times+0x12d/0x180 [ 164.645114][ C0] tick_sched_timer+0x263/0x420 [ 164.650040][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.655603][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.660864][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.666769][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.672050][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.677586][ C0] apic_timer_interrupt+0xf/0x20 [ 164.682509][ C0] [ 164.685443][ C0] RIP: 0010:__memcg_kmem_uncharge+0x217/0x2e0 [ 164.691514][ C0] Code: c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e <41> 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 [ 164.711106][ C0] RSP: 0018:ffffc90002047830 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 164.719532][ C0] RAX: 0000000000000001 RBX: ffffea0002a1f600 RCX: 0000000000000000 [ 164.727492][ C0] RDX: ffffc9000705b000 RSI: 0000000000000000 RDI: ffffea0002a1f600 [ 164.735451][ C0] RBP: ffffc90002047838 R08: dffffc0000000000 R09: fffffbfff12877ed [ 164.743406][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff8880a62edc20 [ 164.751380][ C0] R13: dffffc0000000000 R14: 1ffff11014c5db84 R15: 0000000000000000 [ 164.759386][ C0] free_thread_stack+0x12e/0x590 [ 164.764325][ C0] put_task_stack+0xa3/0x130 [ 164.769004][ C0] finish_task_switch+0x3f1/0x550 [ 164.774036][ C0] __schedule+0x9a8/0xcc0 [ 164.778368][ C0] schedule+0x181/0x210 [ 164.782540][ C0] futex_wait_queue_me+0x2a3/0x4b0 [ 164.787660][ C0] futex_wait+0x252/0x770 [ 164.792008][ C0] ? __fs_reclaim_release+0x4/0x20 [ 164.797125][ C0] do_futex+0x437/0x3d60 [ 164.801360][ C0] ? __lock_acquire+0xc75/0x1be0 [ 164.806299][ C0] ? percpu_counter_add_batch+0x153/0x170 [ 164.812011][ C0] ? __might_fault+0xf9/0x160 [ 164.816692][ C0] ? __might_fault+0xf9/0x160 [ 164.821356][ C0] ? check_preemption_disabled+0xb4/0x260 [ 164.827069][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.832357][ C0] __se_sys_futex+0x28c/0x360 [ 164.837035][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 164.842770][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.848499][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.853960][ C0] __x64_sys_futex+0xe5/0x100 [ 164.858642][ C0] do_syscall_64+0xf7/0x1c0 [ 164.863137][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.869017][ C0] RIP: 0033:0x45a679 [ 164.872986][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.892756][ C0] RSP: 002b:00007f7748e2bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 164.901156][ C0] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a679 [ 164.909114][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 164.917074][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.925049][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 164.933010][ C0] R13: 00007ffc0de541ff R14: 00007f7748e2c9c0 R15: 000000000075bf2c [ 164.940992][ C0] rcu: rcu_preempt kthread starved for 10537 jiffies! g6485 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.952075][ C0] rcu: RCU grace-period kthread stack dump: [ 164.957949][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.966271][ C0] Call Trace: [ 164.969563][ C0] __schedule+0x9a0/0xcc0 [ 164.973893][ C0] schedule+0x181/0x210 [ 164.978039][ C0] schedule_timeout+0x14f/0x240 [ 164.982881][ C0] ? run_local_timers+0x120/0x120 [ 164.987932][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.992707][ C0] kthread+0x332/0x350 [ 164.996914][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.002054][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.006667][ C0] ret_from_fork+0x24/0x30