[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.951236][ T23] audit: type=1800 audit(1578460518.720:25): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.973225][ T23] audit: type=1800 audit(1578460518.730:26): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.009940][ T23] audit: type=1800 audit(1578460518.730:27): pid=8422 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 '10.128.0.198' (ECDSA) to the list of known hosts. 2020/01/08 05:15:29 fuzzer started 2020/01/08 05:15:30 dialing manager at 10.128.0.26:35703 2020/01/08 05:15:30 syscalls: 2824 2020/01/08 05:15:30 code coverage: enabled 2020/01/08 05:15:30 comparison tracing: enabled 2020/01/08 05:15:30 extra coverage: enabled 2020/01/08 05:15:30 setuid sandbox: enabled 2020/01/08 05:15:30 namespace sandbox: enabled 2020/01/08 05:15:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:15:30 fault injection: enabled 2020/01/08 05:15:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:15:30 net packet injection: enabled 2020/01/08 05:15:30 net device setup: enabled 2020/01/08 05:15:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:15:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:15:31 executing program 0: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000ff8)={&(0x7f0000000ff8)={0x1}, 0x8}) 05:15:32 executing program 1: perf_event_open(&(0x7f0000000600)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) socket(0x10, 0x80002, 0x0) wait4(0x0, 0x0, 0x80000002, 0x0) setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000040), 0x4) r0 = getpid() getpid() r1 = getpid() rt_tgsigqueueinfo(0xffffffffffffffff, r1, 0xd, &(0x7f0000000100)={0x0, 0xfffffffd, 0x2}) clock_adjtime(0x3, 0x0) ioctl$VFIO_IOMMU_MAP_DMA(0xffffffffffffffff, 0x3b71, 0x0) ptrace$pokeuser(0x6, 0x0, 0x388, 0xb8) semop(0x0, 0x0, 0x0) ptrace$pokeuser(0x6, r0, 0x388, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x3b7, &(0x7f0000000040)={&(0x7f00000000c0)={0x24, 0x33, 0x119, 0x0, 0x0, {0x4}, [@generic="ffd38d9b", @nested={0xc, 0x1}]}, 0x24}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)}, 0x0) bind$netlink(r3, &(0x7f0000000440)={0x10, 0x0, 0x25dfdbbd, 0x8000010}, 0xdf50fbb6b45a32fd) syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x0, 0x8000) semget$private(0x0, 0x5, 0x0) syzkaller login: [ 69.341318][ T8587] IPVS: ftp: loaded support on port[0] = 21 [ 69.493985][ T8587] chnl_net:caif_netlink_parms(): no params data found [ 69.541946][ T8590] IPVS: ftp: loaded support on port[0] = 21 05:15:32 executing program 2: socket$l2tp(0x18, 0x1, 0x1) readv(0xffffffffffffffff, &(0x7f0000002340)=[{0x0}], 0x1) set_mempolicy(0x8003, &(0x7f0000000300)=0x75f, 0x9) r0 = syz_open_dev$vbi(&(0x7f00000001c0)='/dev/vbi#\x00', 0x1, 0x2) add_key$user(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc) accept4(0xffffffffffffffff, 0x0, 0x0, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = 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$`3]\xf9.\xcf\x00', 0x5) ftruncate(r1, 0x1000000) sendfile(r0, r1, &(0x7f00000000c0)=0xf18001, 0xeefffdef) r2 = syz_open_procfs(0x0, 0x0) readv(r2, &(0x7f0000000580), 0x3c1) ioctl$PPPIOCSMRRU(r2, 0x4004743b, 0x0) [ 69.588642][ T8587] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.603102][ T8587] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.610793][ T8587] device bridge_slave_0 entered promiscuous mode [ 69.646041][ T8587] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.654516][ T8587] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.662434][ T8587] device bridge_slave_1 entered promiscuous mode [ 69.716061][ T8587] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.775901][ T8587] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.816946][ T8590] chnl_net:caif_netlink_parms(): no params data found [ 69.837306][ T8587] team0: Port device team_slave_0 added [ 69.850393][ T8593] IPVS: ftp: loaded support on port[0] = 21 [ 69.869197][ T8587] team0: Port device team_slave_1 added 05:15:32 executing program 3: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f0000000180)={0x14c}, 0x3ed) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@msize={'msize', 0x3d, 0x10001}, 0x63}]}}) [ 69.997325][ T8587] device hsr_slave_0 entered promiscuous mode [ 70.053324][ T8587] device hsr_slave_1 entered promiscuous mode [ 70.096009][ T8590] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.113140][ T8590] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.120743][ T8590] device bridge_slave_0 entered promiscuous mode 05:15:32 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000100)=@broute={'broute\x00', 0x20, 0x1, 0x1c8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200002c0], 0x0, 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"]}, 0x240) [ 70.165399][ T8590] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.172554][ T8590] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.180445][ T8595] IPVS: ftp: loaded support on port[0] = 21 [ 70.189296][ T8590] device bridge_slave_1 entered promiscuous mode [ 70.262223][ T8590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.341301][ T8590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:15:33 executing program 5: r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) bind$netrom(r0, &(0x7f0000000300)={{0x6, @bcast, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @null, @bcast, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}, 0x48) write$P9_RRENAME(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x4000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) accept$packet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$swradio(&(0x7f00000001c0)='/dev/swradio#\x00', 0x1, 0x2) ioctl$VIDIOC_S_EXT_CTRLS(r1, 0xc0205648, &(0x7f0000000100)={0x0, 0x1}) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7, 0x0, &(0x7f0000000140)) r3 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) ioctl$TIOCOUTQ(r3, 0x5411, &(0x7f0000000200)) r4 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r4, 0x0, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x8000, 0x0, 0x0) sendmmsg(r4, &(0x7f0000000240), 0x5c3, 0x30) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000280)=0x4, 0x4) write$P9_RRENAME(0xffffffffffffffff, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/uhid\x00', 0x2, 0x0) prctl$PR_GET_FP_MODE(0x2e) write$P9_RRENAME(0xffffffffffffffff, 0x0, 0x0) r5 = syz_open_procfs(0x0, 0x0) write$P9_RRENAME(r5, 0x0, 0x0) getsockopt$inet_dccp_int(r5, 0x21, 0x1, &(0x7f0000000140), &(0x7f0000000040)=0xb8) [ 70.446843][ T8593] chnl_net:caif_netlink_parms(): no params data found [ 70.472740][ T8590] team0: Port device team_slave_0 added [ 70.484729][ T8590] team0: Port device team_slave_1 added [ 70.595395][ T8590] device hsr_slave_0 entered promiscuous mode [ 70.643509][ T8590] device hsr_slave_1 entered promiscuous mode [ 70.703133][ T8590] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.710823][ T8590] Cannot create hsr debugfs directory [ 70.725088][ T8598] IPVS: ftp: loaded support on port[0] = 21 [ 70.756346][ T8587] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.827834][ T8587] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.876318][ T8587] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.946660][ T8587] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.955639][ T8600] IPVS: ftp: loaded support on port[0] = 21 [ 71.042611][ T8595] chnl_net:caif_netlink_parms(): no params data found [ 71.071450][ T8593] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.080797][ T8593] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.088859][ T8593] device bridge_slave_0 entered promiscuous mode [ 71.098079][ T8593] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.107305][ T8593] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.115299][ T8593] device bridge_slave_1 entered promiscuous mode [ 71.207089][ T8595] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.214368][ T8595] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.221964][ T8595] device bridge_slave_0 entered promiscuous mode [ 71.233349][ T8593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.280050][ T8595] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.287771][ T8595] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.297559][ T8595] device bridge_slave_1 entered promiscuous mode [ 71.305591][ T8593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.331595][ T8590] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.364965][ T8600] chnl_net:caif_netlink_parms(): no params data found [ 71.390253][ T8590] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.461926][ T8590] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.507097][ T8595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.551334][ T8590] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.605894][ T8595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.619886][ T8593] team0: Port device team_slave_0 added [ 71.627581][ T8593] team0: Port device team_slave_1 added [ 71.635812][ T8600] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.642875][ T8600] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.651102][ T8600] device bridge_slave_0 entered promiscuous mode [ 71.669192][ T8600] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.676450][ T8600] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.684875][ T8600] device bridge_slave_1 entered promiscuous mode [ 71.697966][ T8587] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.776872][ T8593] device hsr_slave_0 entered promiscuous mode [ 71.833275][ T8593] device hsr_slave_1 entered promiscuous mode [ 71.873150][ T8593] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.880713][ T8593] Cannot create hsr debugfs directory [ 71.921616][ T8595] team0: Port device team_slave_0 added [ 71.945561][ T8598] chnl_net:caif_netlink_parms(): no params data found [ 71.957273][ T8595] team0: Port device team_slave_1 added [ 71.974140][ T8600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.998147][ T8587] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.012448][ T8600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.023959][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.031926][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.068759][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.078862][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.087882][ T2878] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.095065][ T2878] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.165700][ T8595] device hsr_slave_0 entered promiscuous mode [ 72.203447][ T8595] device hsr_slave_1 entered promiscuous mode [ 72.253109][ T8595] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.253164][ T8595] Cannot create hsr debugfs directory [ 72.271885][ T8598] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.279885][ T8598] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.288245][ T8598] device bridge_slave_0 entered promiscuous mode [ 72.306013][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.326142][ T8598] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.338440][ T8598] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.346499][ T8598] device bridge_slave_1 entered promiscuous mode [ 72.356394][ T8600] team0: Port device team_slave_0 added [ 72.368080][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.377912][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.386832][ T3233] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.393926][ T3233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.427822][ T8600] team0: Port device team_slave_1 added [ 72.459373][ T8598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.474290][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.485256][ T8598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.554853][ T8600] device hsr_slave_0 entered promiscuous mode [ 72.603475][ T8600] device hsr_slave_1 entered promiscuous mode [ 72.643873][ T8600] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.651449][ T8600] Cannot create hsr debugfs directory [ 72.670501][ T8598] team0: Port device team_slave_0 added [ 72.678675][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.720482][ T8598] team0: Port device team_slave_1 added [ 72.726501][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.736533][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.744946][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.753736][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.762012][ T8593] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.819584][ T8593] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.889415][ T8587] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.900175][ T8587] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.912827][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.921061][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.929481][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.938085][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.947437][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.959778][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.971096][ T8593] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.025044][ T8595] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.069072][ T8595] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.125866][ T8595] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.167105][ T8595] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.239924][ T8593] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.315980][ T8598] device hsr_slave_0 entered promiscuous mode [ 73.363438][ T8598] device hsr_slave_1 entered promiscuous mode [ 73.433165][ T8598] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.440760][ T8598] Cannot create hsr debugfs directory [ 73.451165][ T8590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.524930][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.532329][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.553993][ T8590] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.578452][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.587194][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.616680][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.625807][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.634417][ T3233] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.641574][ T3233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.649525][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.658206][ T8600] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.720517][ T8587] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.731475][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.740107][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.749115][ T3231] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.759429][ T3231] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.767541][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.776229][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.787605][ T8600] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.856787][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.866357][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.875260][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.884637][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.893524][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.902291][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.911157][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.922770][ T8600] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.985339][ T8600] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.041538][ T8590] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.053648][ T8590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.072468][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.081351][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.139892][ T8593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.151172][ T8598] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.227894][ T8595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.235317][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.242772][ T3231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.260303][ T8593] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.268529][ T8598] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.318753][ T8598] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.380410][ T8598] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.439622][ T8590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.446854][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.454941][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.462539][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.471554][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.483300][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.491809][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.500614][ T2890] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.507880][ T2890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.516818][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.562236][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.576231][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.585644][ T2891] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.592680][ T2891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.600367][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.608584][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.616299][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.624856][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.635782][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.643733][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.651665][ T8587] device veth0_vlan entered promiscuous mode [ 74.667812][ T8595] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.689820][ T8587] device veth1_vlan entered promiscuous mode [ 74.699984][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.709725][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.718555][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.727260][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.736143][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.745286][ T2895] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.752333][ T2895] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.760152][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.768969][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.799831][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.808030][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.816797][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.825870][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.835163][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.844365][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.852620][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.875574][ T8590] device veth0_vlan entered promiscuous mode [ 74.886792][ T8600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.908752][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.917679][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.935880][ T3233] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.943060][ T3233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.954425][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.962890][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.971292][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.981817][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.989813][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.009155][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.018612][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.030767][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.039392][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.052838][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.061553][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.070887][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.080492][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.091743][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.126741][ T8590] device veth1_vlan entered promiscuous mode [ 180.152951][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 180.160007][ C1] (detected by 1, t=10502 jiffies, g=7285, q=54) [ 180.166411][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955162-4294944659), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 180.179751][ C1] syz-executor.1 R running task 24424 8590 8588 0x0000400a [ 180.187646][ C1] Call Trace: [ 180.190919][ C1] [ 180.193765][ C1] sched_show_task+0x40f/0x560 [ 180.198532][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 180.203989][ C1] update_process_times+0x12d/0x180 [ 180.209183][ C1] tick_sched_timer+0x263/0x420 [ 180.214022][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.219556][ C1] __hrtimer_run_queues+0x403/0x840 [ 180.224759][ C1] hrtimer_interrupt+0x38c/0xda0 [ 180.229703][ C1] ? debug_smp_processor_id+0x9/0x20 [ 180.234984][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 180.240522][ C1] apic_timer_interrupt+0xf/0x20 [ 180.245448][ C1] [ 180.248389][ C1] RIP: 0010:__memcg_kmem_uncharge+0x40/0x1a0 [ 180.254363][ C1] Code: 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 <89> d9 d3 e0 4d 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 [ 180.273954][ C1] RSP: 0018:ffffc90001ef6d68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.282370][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff888092a62600 [ 180.290331][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002403440 [ 180.298295][ C1] RBP: ffffc90001ef6d98 R08: 000000000003a728 R09: fffffbfff124248a [ 180.306256][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea0002403440 [ 180.314215][ C1] R13: 1ffffd400048068f R14: ffffea0002403478 R15: 0000000000000000 [ 180.322210][ C1] ? free_thread_stack+0x124/0x590 [ 180.327310][ C1] free_thread_stack+0x12e/0x590 [ 180.332239][ C1] put_task_stack+0xa3/0x130 [ 180.336841][ C1] finish_task_switch+0x3f1/0x550 [ 180.341857][ C1] __schedule+0x9a8/0xcc0 [ 180.346184][ C1] ? stack_trace_save+0x150/0x150 [ 180.351198][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 180.356992][ C1] preempt_schedule_notrace+0xdb/0x120 [ 180.362444][ C1] ___preempt_schedule_notrace+0x16/0x27 [ 180.368067][ C1] ? rcu_is_watching+0x57/0xa0 [ 180.372819][ C1] rcu_is_watching+0x82/0xa0 [ 180.377398][ C1] __kernel_text_address+0x74/0x110 [ 180.382584][ C1] unwind_get_return_address+0x4c/0x90 [ 180.388135][ C1] arch_stack_walk+0x98/0xe0 [ 180.392723][ C1] stack_trace_save+0xb6/0x150 [ 180.397482][ C1] __kasan_kmalloc+0x11c/0x1b0 [ 180.402233][ C1] ? __kasan_kmalloc+0x11c/0x1b0 [ 180.407160][ C1] ? kasan_slab_alloc+0xf/0x20 [ 180.411970][ C1] ? kmem_cache_alloc_trace+0x1fa/0x2f0 [ 180.417541][ C1] ? sctp_inet6addr_event+0x2b1/0x690 [ 180.422928][ C1] ? __atomic_notifier_call_chain+0x193/0x2e0 [ 180.428998][ C1] ? atomic_notifier_call_chain+0x2d/0x40 [ 180.434715][ C1] ? inet6addr_notifier_call_chain+0x24/0x30 [ 180.440688][ C1] ? ipv6_add_addr+0x11d1/0x16d0 [ 180.445619][ C1] ? inet6_addr_add+0x525/0x12a0 [ 180.450549][ C1] ? inet6_rtm_newaddr+0x6dd/0x27b0 [ 180.455743][ C1] ? rtnetlink_rcv_msg+0x889/0xd40 [ 180.460845][ C1] ? netlink_rcv_skb+0x19e/0x3d0 [ 180.465796][ C1] ? rtnetlink_rcv+0x1c/0x20 [ 180.470372][ C1] ? netlink_unicast+0x767/0x920 [ 180.475322][ C1] ? netlink_sendmsg+0xa31/0xd50 [ 180.480253][ C1] ? __sys_sendto+0x442/0x5e0 [ 180.484920][ C1] ? __x64_sys_sendto+0xe5/0x100 [ 180.489880][ C1] ? do_syscall_64+0xf7/0x1c0 [ 180.494545][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.500607][ C1] ? __kasan_check_read+0x11/0x20 [ 180.505634][ C1] ? mark_lock+0x107/0x1650 [ 180.510132][ C1] ? rcu_lock_release+0x9/0x30 [ 180.514892][ C1] ? should_fail+0x153/0x770 [ 180.519477][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 180.524753][ C1] ? kmem_cache_alloc_trace+0x199/0x2f0 [ 180.530317][ C1] kasan_slab_alloc+0xf/0x20 [ 180.534896][ C1] kmem_cache_alloc_trace+0x1fa/0x2f0 [ 180.540275][ C1] ? sctp_inet6addr_event+0x2b1/0x690 [ 180.545642][ C1] sctp_inet6addr_event+0x2b1/0x690 [ 180.551438][ C1] ? masq_inet6_event+0x70/0x590 [ 180.556369][ C1] ? ipvlan_addr6_event+0x112/0x4a0 [ 180.561581][ C1] __atomic_notifier_call_chain+0x193/0x2e0 [ 180.567486][ C1] atomic_notifier_call_chain+0x2d/0x40 [ 180.573044][ C1] inet6addr_notifier_call_chain+0x24/0x30 [ 180.578848][ C1] ipv6_add_addr+0x11d1/0x16d0 [ 180.583740][ C1] inet6_addr_add+0x525/0x12a0 [ 180.589148][ C1] ? rcu_lock_release+0x21/0x30 [ 180.594017][ C1] ? ipv6_get_ifaddr+0x438/0x4f0 [ 180.598960][ C1] inet6_rtm_newaddr+0x6dd/0x27b0 [ 180.604004][ C1] ? lock_acquire+0x158/0x250 [ 180.608717][ C1] ? inet6_dump_ifinfo+0x940/0x940 [ 180.613844][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 180.618799][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 180.624205][ C1] ? local_bh_enable+0x9/0x30 [ 180.628893][ C1] ? trace_hardirqs_on+0x74/0x80 [ 180.634000][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 180.639392][ C1] ? local_bh_enable+0x1f/0x30 [ 180.644163][ C1] ? rcu_lock_release+0x9/0x30 [ 180.648946][ C1] ? rcu_lock_release+0x9/0x30 [ 180.653720][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 180.658929][ C1] ? rtnetlink_bind+0x80/0x80 [ 180.663615][ C1] rtnetlink_rcv+0x1c/0x20 [ 180.668054][ C1] netlink_unicast+0x767/0x920 [ 180.672832][ C1] netlink_sendmsg+0xa31/0xd50 [ 180.677692][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 180.682892][ C1] __sys_sendto+0x442/0x5e0 [ 180.687639][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 180.693889][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 180.701910][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 180.707384][ C1] __x64_sys_sendto+0xe5/0x100 [ 180.712171][ C1] do_syscall_64+0xf7/0x1c0 [ 180.716685][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.723025][ C1] RIP: 0033:0x414c43 [ 180.726935][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 180.746680][ C1] RSP: 002b:00007fff5b64d0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 180.755114][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 180.763085][ C1] RDX: 0000000000000040 RSI: 0000000000a72250 RDI: 0000000000000003 [ 180.771085][ C1] RBP: 0000000000000000 R08: 00007fff5b64d0f0 R09: 000000000000000c [ 180.781327][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 180.789302][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 180.797293][ C1] rcu: rcu_preempt kthread starved for 10566 jiffies! g7285 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.808900][ C1] rcu: RCU grace-period kthread stack dump: [ 180.814793][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 180.825927][ C1] Call Trace: [ 180.829227][ C1] __schedule+0x9a0/0xcc0 [ 180.833558][ C1] schedule+0x181/0x210 [ 180.837706][ C1] schedule_timeout+0x14f/0x240 [ 180.842553][ C1] ? run_local_timers+0x120/0x120 [ 180.847571][ C1] rcu_gp_kthread+0xed8/0x1770 [ 180.852334][ C1] kthread+0x332/0x350 [ 180.856389][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 180.861839][ C1] ? kthread_blkcg+0xe0/0xe0 [ 180.866439][ C1] ret_from_fork+0x24/0x30