[ 44.133086][ T27] audit: type=1800 audit(1578461083.348:26): pid=8161 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.164147][ T27] audit: type=1800 audit(1578461083.348:27): pid=8161 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.199379][ T27] audit: type=1800 audit(1578461083.348:28): pid=8161 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. [ 44.885014][ T27] audit: type=1800 audit(1578461084.118:29): pid=8161 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. 2020/01/08 05:24:51 fuzzer started 2020/01/08 05:24:53 dialing manager at 10.128.0.26:35703 2020/01/08 05:24:53 syscalls: 2824 2020/01/08 05:24:53 code coverage: enabled 2020/01/08 05:24:53 comparison tracing: enabled 2020/01/08 05:24:53 extra coverage: enabled 2020/01/08 05:24:53 setuid sandbox: enabled 2020/01/08 05:24:53 namespace sandbox: enabled 2020/01/08 05:24:53 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:24:53 fault injection: enabled 2020/01/08 05:24:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:24:53 net packet injection: enabled 2020/01/08 05:24:53 net device setup: enabled 2020/01/08 05:24:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:24:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:24:54 executing program 0: sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x0, 0x0, 0x305, &(0x7f0000000000)=ANY=[]}, 0x0) r0 = 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) fsetxattr$system_posix_acl(r0, 0x0, 0x0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/dev\x00') preadv(r1, &(0x7f00000017c0), 0x1000000000000304, 0x0) 05:24:54 executing program 1: write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000140)=ANY=[@ANYRESOCT], 0x1732) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) write$binfmt_elf64(r3, 0x0, 0x0) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)="580000001400ad", 0x7}], 0x1) write$binfmt_elf64(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="7f454c410600050001019fa5d4b3"], 0xe) close(r2) socket$netlink(0x10, 0x3, 0x4) r4 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r4, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0xfd6e) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) syzkaller login: [ 55.640072][ T8325] IPVS: ftp: loaded support on port[0] = 21 [ 55.787794][ T8325] chnl_net:caif_netlink_parms(): no params data found [ 55.789460][ T8328] IPVS: ftp: loaded support on port[0] = 21 05:24:55 executing program 2: mkdir(&(0x7f0000000180)='./file1\x00', 0x0) io_setup(0x5, &(0x7f0000000040)=0x0) io_pgetevents(r0, 0x9, 0x9, &(0x7f0000000400)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], &(0x7f0000000140), &(0x7f0000000240)={&(0x7f0000000200), 0x8}) ioctl$sock_TIOCINQ(0xffffffffffffffff, 0x541b, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f00000005c0)=ANY=[@ANYBLOB], 0x1) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) symlink(&(0x7f00000002c0)='./file1/file0/file0\x00', &(0x7f00000003c0)='./file1/file0\x00') socket$unix(0x1, 0x1, 0x0) r2 = open$dir(&(0x7f0000000300)='./file1\x00', 0x0, 0x0) mkdirat(r2, &(0x7f0000000340)='./file1\x00', 0x0) mkdirat(r2, &(0x7f0000000380)='./file1/file0\x00', 0x0) renameat2(r2, &(0x7f0000000000)='./file1/file0\x00', r2, &(0x7f00000001c0)='./file0\x00', 0x2) [ 55.829762][ T8325] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.837899][ T8325] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.846504][ T8325] device bridge_slave_0 entered promiscuous mode [ 55.857674][ T8325] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.865232][ T8325] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.872933][ T8325] device bridge_slave_1 entered promiscuous mode [ 55.907972][ T8325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.946771][ T8325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:24:55 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000480)=0x7fe, 0x4) setsockopt$sock_int(r0, 0x1, 0x29, &(0x7f0000000140)=0x7, 0x4) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x4e22}, 0x10) recvmmsg(r0, &(0x7f00000030c0)=[{{&(0x7f0000000080)=@isdn, 0x80, 0x0}}], 0x1, 0x40002041, 0x0) [ 56.033972][ T8325] team0: Port device team_slave_0 added [ 56.060932][ T8325] team0: Port device team_slave_1 added [ 56.072136][ T8328] chnl_net:caif_netlink_parms(): no params data found [ 56.138541][ T8325] device hsr_slave_0 entered promiscuous mode [ 56.204544][ T8325] device hsr_slave_1 entered promiscuous mode 05:24:55 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='veth1\x00', 0x10) connect$inet(r0, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000080)={0x0, 0x6, 0xf087}, 0x14) setsockopt$inet_tcp_int(r0, 0x6, 0x4000000000013, &(0x7f0000000180), 0x4) setsockopt$inet_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000200), 0x4) setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000140), 0x4) close(r0) [ 56.337954][ T8334] IPVS: ftp: loaded support on port[0] = 21 [ 56.345367][ T8331] IPVS: ftp: loaded support on port[0] = 21 [ 56.404256][ T8328] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.424238][ T8328] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.432057][ T8328] device bridge_slave_0 entered promiscuous mode [ 56.456072][ T8328] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.463188][ T8328] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.485183][ T8328] device bridge_slave_1 entered promiscuous mode [ 56.519157][ T8328] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.552579][ T8328] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:24:55 executing program 5: r0 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', r0, &(0x7f00000000c0)='./file0\x00') mkdirat(r0, &(0x7f0000000200)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r1 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) symlinkat(&(0x7f00000002c0)='./file0/file0\x00', r1, &(0x7f0000000180)='./file0/file0\x00') renameat2(r1, &(0x7f0000000100)='./file0/file0\x00', r1, &(0x7f0000000000)='./file0\x00', 0x4) [ 56.600382][ T8336] IPVS: ftp: loaded support on port[0] = 21 [ 56.620254][ T8328] team0: Port device team_slave_0 added [ 56.661538][ T8328] team0: Port device team_slave_1 added [ 56.759009][ T8331] chnl_net:caif_netlink_parms(): no params data found [ 56.826759][ T8328] device hsr_slave_0 entered promiscuous mode [ 56.864613][ T8328] device hsr_slave_1 entered promiscuous mode [ 56.924339][ T8328] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.932077][ T8328] Cannot create hsr debugfs directory [ 56.937804][ T8325] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.018695][ T8325] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.130640][ T8325] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.197747][ T8325] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.269797][ T8339] IPVS: ftp: loaded support on port[0] = 21 [ 57.283916][ T8334] chnl_net:caif_netlink_parms(): no params data found [ 57.318486][ T8331] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.325988][ T8331] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.333590][ T8331] device bridge_slave_0 entered promiscuous mode [ 57.362195][ T8331] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.369542][ T8331] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.377519][ T8331] device bridge_slave_1 entered promiscuous mode [ 57.433721][ T8331] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.475342][ T8334] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.482426][ T8334] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.491835][ T8334] device bridge_slave_0 entered promiscuous mode [ 57.499322][ T8328] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.555919][ T8328] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.586583][ T8331] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.600188][ T8334] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.610409][ T8334] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.618103][ T8334] device bridge_slave_1 entered promiscuous mode [ 57.640095][ T8334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.650233][ T8328] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.731551][ T8328] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.786177][ T8336] chnl_net:caif_netlink_parms(): no params data found [ 57.799897][ T8334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.821104][ T8331] team0: Port device team_slave_0 added [ 57.852906][ T8334] team0: Port device team_slave_0 added [ 57.860297][ T8331] team0: Port device team_slave_1 added [ 57.894453][ T8334] team0: Port device team_slave_1 added [ 57.944607][ T8339] chnl_net:caif_netlink_parms(): no params data found [ 57.997095][ T8331] device hsr_slave_0 entered promiscuous mode [ 58.034612][ T8331] device hsr_slave_1 entered promiscuous mode [ 58.074306][ T8331] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.081920][ T8331] Cannot create hsr debugfs directory [ 58.097717][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.105533][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.113148][ T8336] device bridge_slave_0 entered promiscuous mode [ 58.122876][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.130334][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.138526][ T8336] device bridge_slave_1 entered promiscuous mode [ 58.204428][ T8336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.219003][ T8336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.278173][ T8334] device hsr_slave_0 entered promiscuous mode [ 58.334660][ T8334] device hsr_slave_1 entered promiscuous mode [ 58.374713][ T8334] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.382384][ T8334] Cannot create hsr debugfs directory [ 58.406677][ T8339] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.413828][ T8339] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.422020][ T8339] device bridge_slave_0 entered promiscuous mode [ 58.433657][ T8339] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.441106][ T8339] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.448907][ T8339] device bridge_slave_1 entered promiscuous mode [ 58.488098][ T8336] team0: Port device team_slave_0 added [ 58.500534][ T8336] team0: Port device team_slave_1 added [ 58.520863][ T8325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.537507][ T8339] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.607381][ T8336] device hsr_slave_0 entered promiscuous mode [ 58.654754][ T8336] device hsr_slave_1 entered promiscuous mode [ 58.694436][ T8336] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.702074][ T8336] Cannot create hsr debugfs directory [ 58.737839][ T8339] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.747885][ T8331] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.809253][ T8331] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.898665][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.907183][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.918704][ T8325] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.938073][ T8331] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.996583][ T8331] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.053787][ T8328] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.063125][ T8339] team0: Port device team_slave_0 added [ 59.074438][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.082874][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.092272][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.099471][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.115634][ T8339] team0: Port device team_slave_1 added [ 59.136618][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.149571][ T8328] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.207303][ T8339] device hsr_slave_0 entered promiscuous mode [ 59.244713][ T8339] device hsr_slave_1 entered promiscuous mode [ 59.294343][ T8339] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.302111][ T8339] Cannot create hsr debugfs directory [ 59.312857][ T8334] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.376691][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.384771][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.392322][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.400916][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.409372][ T2786] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.416469][ T2786] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.445756][ T8334] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.509748][ T8334] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.566052][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.578400][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.587360][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.595843][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.602970][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.610999][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.619783][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.628450][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.636745][ T2675] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.643764][ T2675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.651399][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.660658][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.669022][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.677392][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.685942][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.694558][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.702315][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.744262][ T8334] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.771124][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.782669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.791093][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.800488][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.809487][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.821613][ T8325] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.862697][ T8328] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.873897][ T8328] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.885485][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.893830][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.903215][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.912096][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.921350][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.929817][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.938182][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.947391][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.955808][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.963485][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.997434][ T8336] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.026814][ T8336] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.067207][ T8336] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.118800][ T8336] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.188613][ T8331] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.214860][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.222304][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.231783][ T8339] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.276441][ T8339] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.316197][ T8339] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.366960][ T8339] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.430130][ T8328] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.466566][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.474364][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.482043][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.490656][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.516528][ T8325] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.543877][ T8331] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.559751][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.570064][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.579033][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.588261][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.597563][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.605423][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.621468][ T8328] device veth0_vlan entered promiscuous mode [ 60.644949][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.653433][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.662227][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.669325][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.683132][ T8328] device veth1_vlan entered promiscuous mode [ 60.698171][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.706293][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.713961][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.722509][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.731216][ T2675] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.738305][ T2675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.746525][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.774049][ T8331] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.797677][ T8331] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.831183][ T8334] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.841027][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.851418][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.864143][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.873163][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.882273][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.892489][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.901110][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.909456][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.917830][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.926304][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.948493][ T8325] device veth0_vlan entered promiscuous mode [ 60.972963][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.989306][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.007509][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.022425][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.031731][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.046212][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.058735][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.068399][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.087717][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.099137][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.132279][ T8331] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.181042][ T8331] device veth0_vlan entered promiscuous mode [ 61.202199][ T8331] device veth1_vlan entered promiscuous mode [ 166.014184][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.021015][ C1] rcu: 1-...!: (10499 ticks this GP) idle=562/1/0x4000000000000002 softirq=10674/10676 fqs=37 [ 166.031583][ C1] (t=10501 jiffies g=6489 q=410) [ 166.036691][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g6489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.047772][ C1] rcu: RCU grace-period kthread stack dump: [ 166.053648][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 166.061538][ C1] Call Trace: [ 166.064823][ C1] __schedule+0x9a0/0xcc0 [ 166.069157][ C1] schedule+0x181/0x210 [ 166.073306][ C1] schedule_timeout+0x14f/0x240 [ 166.078147][ C1] ? run_local_timers+0x120/0x120 [ 166.083163][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.087925][ C1] kthread+0x332/0x350 [ 166.091983][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.097084][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.101664][ C1] ret_from_fork+0x24/0x30 [ 166.106082][ C1] NMI backtrace for cpu 1 [ 166.110404][ C1] CPU: 1 PID: 8328 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 166.118970][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.129011][ C1] Call Trace: [ 166.132285][ C1] [ 166.135129][ C1] dump_stack+0x1fb/0x318 [ 166.139450][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.144287][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.150424][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.156562][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.162529][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.168407][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.173508][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.178717][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.183749][ C1] update_process_times+0x12d/0x180 [ 166.188940][ C1] tick_sched_timer+0x263/0x420 [ 166.193780][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.199314][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.204516][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.209460][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.214743][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.220277][ C1] apic_timer_interrupt+0xf/0x20 [ 166.225199][ C1] [ 166.228137][ C1] RIP: 0010:__memcg_kmem_uncharge+0x130/0x1a0 [ 166.234191][ C1] Code: 7c 48 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c [ 166.253809][ C1] RSP: 0018:ffffc900022d7ba0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 166.263178][ C1] RAX: 0000000000000001 RBX: ffffea00024aca80 RCX: 0000000000000000 [ 166.271137][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024aca80 [ 166.279098][ C1] RBP: ffffc900022d7bc0 R08: 000000000003a728 R09: ffffed101454a709 [ 166.287060][ C1] R10: ffffed101454a709 R11: 0000000000000000 R12: ffffea00024aca80 [ 166.295107][ C1] R13: 1ffffd4000495957 R14: ffffea00024acab8 R15: 0000000000000000 [ 166.303087][ C1] free_thread_stack+0x12e/0x590 [ 166.308014][ C1] put_task_stack+0xa3/0x130 [ 166.312593][ C1] finish_task_switch+0x3f1/0x550 [ 166.317614][ C1] __schedule+0x9a8/0xcc0 [ 166.321944][ C1] schedule+0x181/0x210 [ 166.326091][ C1] do_nanosleep+0x1d0/0x6c0 [ 166.330597][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 166.335531][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 166.341329][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 166.346431][ C1] do_syscall_64+0xf7/0x1c0 [ 166.350930][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.358197][ C1] RIP: 0033:0x4593f0 [ 166.362085][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 166.381675][ C1] RSP: 002b:00007ffe96aa2778 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 166.390073][ C1] RAX: ffffffffffffffda RBX: 000000000000ee35 RCX: 00000000004593f0 [ 166.398034][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe96aa2780 [ 166.405997][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000026b2940 [ 166.413952][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a [ 166.421913][ C1] R13: 00007ffe96aa27d0 R14: 000000000000ee18 R15: 00007ffe96aa27e0