[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.928681][ T27] audit: type=1800 audit(1578451598.345:25): pid=8337 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.961615][ T27] audit: type=1800 audit(1578451598.345:26): pid=8337 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.003904][ T27] audit: type=1800 audit(1578451598.345:27): pid=8337 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 '10.128.10.21' (ECDSA) to the list of known hosts. 2020/01/08 02:46:49 fuzzer started 2020/01/08 02:46:50 dialing manager at 10.128.0.26:35703 2020/01/08 02:46:50 syscalls: 2824 2020/01/08 02:46:50 code coverage: enabled 2020/01/08 02:46:50 comparison tracing: enabled 2020/01/08 02:46:50 extra coverage: enabled 2020/01/08 02:46:50 setuid sandbox: enabled 2020/01/08 02:46:50 namespace sandbox: enabled 2020/01/08 02:46:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:46:50 fault injection: enabled 2020/01/08 02:46:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:46:50 net packet injection: enabled 2020/01/08 02:46:50 net device setup: enabled 2020/01/08 02:46:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:46:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:46:51 executing program 0: r0 = socket(0x40000000015, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x10) sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) sendto$inet(r0, &(0x7f0000000900)="ba671368d1010000004900000001000000018be49e9301442865319997d0efdb2f54b6a10c7327757482bfce945c2a91fb8dfafc1d3f56bc543ab87321e12cca08a7", 0x42, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f0000006380)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f0000000440)=[{&(0x7f00000002c0)=""/65, 0x41}, {0x0, 0x4}], 0x2}}], 0x2, 0x0, 0x0) 02:46:52 executing program 1: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet_int(r0, 0x0, 0xf, &(0x7f0000d10ffc)=0xfffffffffffffff9, 0x4) bind$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @local, 0x1}, 0x1c) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}], 0x10) syzkaller login: [ 62.697455][ T8503] IPVS: ftp: loaded support on port[0] = 21 02:46:52 executing program 2: perf_event_open(&(0x7f0000000100)={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) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000b40)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x98829da2afe1436d) r1 = accept$alg(r0, 0x0, 0x0) write$binfmt_script(r1, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r1, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000004700)=[{0x0}, {&(0x7f0000003580)=""/4096, 0x1000}], 0x2}}], 0x1, 0x0, &(0x7f0000008000)={0x0, 0x989680}) [ 62.873328][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 62.881360][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 62.970379][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.987640][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.006775][ T8503] device bridge_slave_0 entered promiscuous mode [ 63.030631][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.045283][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.064420][ T8503] device bridge_slave_1 entered promiscuous mode [ 63.120519][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:46:52 executing program 3: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x0, 0x0) ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, &(0x7f0000000040)={0x10, 0x0, {0x0, 0x0, 0x0, {}, {}, @ramp}, {0x0, 0x0, 0x0, {}, {}, @ramp}}) [ 63.173854][ T8508] IPVS: ftp: loaded support on port[0] = 21 [ 63.181257][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.199248][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 63.261513][ T8503] team0: Port device team_slave_0 added [ 63.308319][ T8503] team0: Port device team_slave_1 added [ 63.363297][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.373466][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.383068][ T8506] device bridge_slave_0 entered promiscuous mode [ 63.420570][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.428280][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.437991][ T8506] device bridge_slave_1 entered promiscuous mode 02:46:52 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000013c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r3, 0x0) ioctl$TCSETSF(r1, 0x5412, 0x0) [ 63.478895][ T8503] device hsr_slave_0 entered promiscuous mode [ 63.526026][ T8503] device hsr_slave_1 entered promiscuous mode 02:46:53 executing program 5: clone(0x41fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = getpid() rt_tgsigqueueinfo(r0, r0, 0x10000000016, &(0x7f0000000200)) ptrace(0x10, r0) prctl$PR_SET_DUMPABLE(0x4, 0x0) ptrace$poke(0x4, r0, 0x0, 0x0) [ 63.683885][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 63.704117][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.741737][ T8514] IPVS: ftp: loaded support on port[0] = 21 [ 63.742778][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 63.780444][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.839237][ T8506] team0: Port device team_slave_0 added [ 63.860698][ T8506] team0: Port device team_slave_1 added [ 63.967718][ T8506] device hsr_slave_0 entered promiscuous mode [ 64.024694][ T8506] device hsr_slave_1 entered promiscuous mode [ 64.074438][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.082136][ T8506] Cannot create hsr debugfs directory [ 64.127520][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.134838][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.142421][ T8508] device bridge_slave_0 entered promiscuous mode [ 64.150519][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.157713][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.165731][ T8508] device bridge_slave_1 entered promiscuous mode [ 64.175453][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 64.233868][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 64.261928][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.287849][ T8503] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.350048][ T8503] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.407905][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.449934][ T8503] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.510432][ T8503] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.594659][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 64.609823][ T8508] team0: Port device team_slave_0 added [ 64.627221][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.635192][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.642803][ T8511] device bridge_slave_0 entered promiscuous mode [ 64.653084][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.660223][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.667977][ T8511] device bridge_slave_1 entered promiscuous mode [ 64.679933][ T8508] team0: Port device team_slave_1 added [ 64.707828][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.721102][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.779854][ T8506] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.855229][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.862376][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.870463][ T8514] device bridge_slave_0 entered promiscuous mode [ 64.917183][ T8508] device hsr_slave_0 entered promiscuous mode [ 64.965742][ T8508] device hsr_slave_1 entered promiscuous mode [ 65.004472][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.012070][ T8508] Cannot create hsr debugfs directory [ 65.019481][ T8511] team0: Port device team_slave_0 added [ 65.027096][ T8511] team0: Port device team_slave_1 added [ 65.036161][ T8506] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.104211][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.111538][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.121576][ T8514] device bridge_slave_1 entered promiscuous mode [ 65.145633][ T8506] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.197749][ T8506] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.316007][ T8511] device hsr_slave_0 entered promiscuous mode [ 65.344716][ T8511] device hsr_slave_1 entered promiscuous mode [ 65.384414][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.392001][ T8511] Cannot create hsr debugfs directory [ 65.440955][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 65.450989][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.498749][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.553093][ T8514] team0: Port device team_slave_0 added [ 65.581409][ T8508] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.607617][ T8514] team0: Port device team_slave_1 added [ 65.613346][ T8508] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.692696][ T8508] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.766153][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.773258][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.781022][ T8516] device bridge_slave_0 entered promiscuous mode [ 65.791090][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.798264][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.806681][ T8516] device bridge_slave_1 entered promiscuous mode [ 65.866541][ T8514] device hsr_slave_0 entered promiscuous mode [ 65.905611][ T8514] device hsr_slave_1 entered promiscuous mode [ 65.954461][ T8514] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.962059][ T8514] Cannot create hsr debugfs directory [ 65.967983][ T8508] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.022825][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.031753][ T8511] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.076763][ T8511] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.148593][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.159266][ T8511] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.210480][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.218735][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.236325][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.249044][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.272136][ T8511] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.329528][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.338735][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.347467][ T2780] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.354687][ T2780] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.379025][ T8516] team0: Port device team_slave_0 added [ 66.396105][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.406579][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.415082][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.423711][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.430802][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.439671][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.448680][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.472856][ T8516] team0: Port device team_slave_1 added [ 66.493709][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.505256][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.513510][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.522314][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.532119][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.559591][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.570546][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.579132][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.587558][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.618604][ T8503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.647207][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.672866][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.718741][ T8516] device hsr_slave_0 entered promiscuous mode [ 66.774859][ T8516] device hsr_slave_1 entered promiscuous mode [ 66.804479][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.812107][ T8516] Cannot create hsr debugfs directory [ 66.860775][ T8506] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.879774][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.887673][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.895904][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.903502][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.911608][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.919525][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.930687][ T8514] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.977430][ T8508] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.992499][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.001202][ T8503] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.011456][ T8514] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.075699][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.084319][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.092677][ T3141] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.099896][ T3141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.108181][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.134969][ T8514] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.161658][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.171423][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.179971][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.187056][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.197005][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.205710][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.213967][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.221038][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.228682][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.237831][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.246877][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.255486][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.262536][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.270600][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.296379][ T8514] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.351116][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.358991][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.368017][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.376664][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.385845][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.394348][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.402765][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.412117][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.420173][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.428312][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.437128][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.446112][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.483858][ T8516] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.508464][ T8516] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.556141][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.565651][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.574149][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.582981][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.591507][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.599976][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.621645][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.634449][ T8516] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.658535][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.666875][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.675315][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.683483][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.691715][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.700513][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.708711][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.720544][ T8503] device veth0_vlan entered promiscuous mode [ 67.732952][ T8516] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.777243][ T8506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.786381][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.795482][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.803727][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.812415][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.821096][ T2820] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.828228][ T2820] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.844075][ T8503] device veth1_vlan entered promiscuous mode [ 67.875501][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.883552][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.892689][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.901559][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.909949][ T2820] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.917741][ T2820] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.926311][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.935104][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.943534][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.952098][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.961966][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.977754][ T8508] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.989392][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.005030][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.013516][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.022462][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.042426][ T8506] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.081626][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.090465][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.101657][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.110416][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.123888][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.132633][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.141245][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.148801][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.161725][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.174112][ T8511] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.187174][ T8508] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.206566][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.227547][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 173.234269][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.241111][ C1] rcu: 1-....: (10499 ticks this GP) idle=532/1/0x4000000000000002 softirq=12931/12935 fqs=2725 [ 173.251895][ C1] (t=10501 jiffies g=6721 q=167) [ 173.256919][ C1] rcu: rcu_preempt kthread starved for 5051 jiffies! g6721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.267929][ C1] rcu: RCU grace-period kthread stack dump: [ 173.273806][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.281711][ C1] Call Trace: [ 173.285000][ C1] __schedule+0x9a0/0xcc0 [ 173.289349][ C1] schedule+0x181/0x210 [ 173.293500][ C1] schedule_timeout+0x14f/0x240 [ 173.298340][ C1] ? run_local_timers+0x120/0x120 [ 173.303360][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.308142][ C1] kthread+0x332/0x350 [ 173.312201][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.317325][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.321910][ C1] ret_from_fork+0x24/0x30 [ 173.326332][ C1] NMI backtrace for cpu 1 [ 173.330651][ C1] CPU: 1 PID: 8503 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.339261][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.349328][ C1] Call Trace: [ 173.352608][ C1] [ 173.355457][ C1] dump_stack+0x1fb/0x318 [ 173.359782][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.364623][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.370770][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.376828][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.382807][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.388691][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.393812][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.399003][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.404020][ C1] update_process_times+0x12d/0x180 [ 173.409212][ C1] tick_sched_timer+0x263/0x420 [ 173.414054][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.419590][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.425146][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.430098][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.435375][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.440913][ C1] apic_timer_interrupt+0xf/0x20 [ 173.446358][ C1] [ 173.449300][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 173.455357][ C1] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 <65> 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 [ 173.474952][ C1] RSP: 0018:ffffc90001e878d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.483893][ C1] RAX: ffffffff81489244 RBX: ffffea0002412880 RCX: ffff8880a72ba640 [ 173.491857][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002412880 [ 173.500165][ C1] RBP: ffffc90001e87910 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.508126][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a4c69820 [ 173.516093][ C1] R13: dffffc0000000000 R14: 1ffff1101498d304 R15: ffff8880a8d75a38 [ 173.524087][ C1] ? free_thread_stack+0x124/0x590 [ 173.529192][ C1] ? free_thread_stack+0x124/0x590 [ 173.534299][ C1] put_task_stack+0xa3/0x130 [ 173.538882][ C1] finish_task_switch+0x3f1/0x550 [ 173.543903][ C1] __schedule+0x9a8/0xcc0 [ 173.548235][ C1] preempt_schedule_irq+0xc1/0x140 [ 173.553336][ C1] retint_kernel+0x1b/0x2b [ 173.557747][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x4/0x80 [ 173.564496][ C1] Code: c1 e0 03 48 83 c8 18 49 89 14 02 4d 89 44 f2 18 49 ff c1 4d 89 0a c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 4c 8b 04 24 <65> 48 8b 14 25 c0 1d 02 00 65 8b 05 08 5b 8b 7e a9 00 01 1f 00 75 [ 173.584096][ C1] RSP: 0018:ffffc90001e87b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 [ 173.592602][ C1] RAX: 0000000000000001 RBX: ffff8880a4c69b98 RCX: 1ffff1101498d373 [ 173.600564][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 173.608525][ C1] RBP: ffffc90001e87bc8 R08: ffffffff81a9250b R09: fffffbfff125fcc9 [ 173.616489][ C1] R10: fffffbfff125fcc9 R11: 0000000000000000 R12: ffff8880a4c69b80 [ 173.624454][ C1] R13: 0000000000000cc0 R14: 0000000000000000 R15: ffffc90000000001 [ 173.632428][ C1] ? __vmalloc_node_range+0x15b/0x850 [ 173.637796][ C1] ? __vmalloc_node_range+0x15b/0x850 [ 173.643181][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 173.648893][ C1] ? trace_kmem_cache_alloc_node+0xd3/0x130 [ 173.654802][ C1] ? dup_task_struct+0x55/0x910 [ 173.659646][ C1] dup_task_struct+0x5b4/0x910 [ 173.664475][ C1] ? copy_process+0x4c5/0x5510 [ 173.669263][ C1] copy_process+0x4c5/0x5510 [ 173.674215][ C1] ? __might_fault+0xf9/0x160 [ 173.678894][ C1] _do_fork+0x13e/0x660 [ 173.683081][ C1] ? check_preemption_disabled+0xb4/0x260 [ 173.688806][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.694093][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 173.699470][ C1] __x64_sys_clone+0x20b/0x250 [ 173.704255][ C1] do_syscall_64+0xf7/0x1c0 [ 173.708754][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.714638][ C1] RIP: 0033:0x45951a [ 173.718529][ C1] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 173.738125][ C1] RSP: 002b:00007ffcdb877f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 173.746528][ C1] RAX: ffffffffffffffda RBX: 00007ffcdb877f10 RCX: 000000000045951a [ 173.754496][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 173.762481][ C1] RBP: 00007ffcdb877f50 R08: 0000000000000001 R09: 0000000001d3b940 [ 173.770450][ C1] R10: 0000000001d3bc10 R11: 0000000000000246 R12: 0000000000000001 [ 173.778413][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffcdb877fa0