[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.603820][ T27] audit: type=1800 audit(1578483235.753:25): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.629758][ T27] audit: type=1800 audit(1578483235.753:26): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.651605][ T27] audit: type=1800 audit(1578483235.753:27): pid=8382 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 '10.128.0.161' (ECDSA) to the list of known hosts. 2020/01/08 11:34:06 fuzzer started 2020/01/08 11:34:08 dialing manager at 10.128.0.26:35703 2020/01/08 11:34:08 syscalls: 2824 2020/01/08 11:34:08 code coverage: enabled 2020/01/08 11:34:08 comparison tracing: enabled 2020/01/08 11:34:08 extra coverage: enabled 2020/01/08 11:34:08 setuid sandbox: enabled 2020/01/08 11:34:08 namespace sandbox: enabled 2020/01/08 11:34:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:34:08 fault injection: enabled 2020/01/08 11:34:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:34:08 net packet injection: enabled 2020/01/08 11:34:08 net device setup: enabled 2020/01/08 11:34:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:34:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:34:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000200)={'\x00', 0x1801}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r3, &(0x7f0000000100)={0xa, 0x0, 0x0, @empty}, 0x1c) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000080)) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x2a, &(0x7f0000000380)=ANY=[@ANYBLOB="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"/302], 0x90) 11:34:10 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x15, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x7d}}, &(0x7f0000000080)='GPL\x00'}, 0x48) syzkaller login: [ 70.926168][ T8549] IPVS: ftp: loaded support on port[0] = 21 11:34:10 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x8000000000006, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000600)) r1 = syz_open_pts(r0, 0x0) write$binfmt_aout(r0, &(0x7f0000000240)=ANY=[], 0x35b) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0x12}) [ 71.082984][ T8552] IPVS: ftp: loaded support on port[0] = 21 [ 71.093866][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 71.192161][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.199791][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.209025][ T8549] device bridge_slave_0 entered promiscuous mode [ 71.231346][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.238497][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.247917][ T8549] device bridge_slave_1 entered promiscuous mode [ 71.321005][ T8552] chnl_net:caif_netlink_parms(): no params data found [ 71.334446][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 71.342837][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 11:34:10 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) close(r0) io_setup(0x3, &(0x7f00000001c0)=0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) recvfrom(r3, 0x0, 0x45604c19d1f36318, 0x10002, 0x0, 0x0) r4 = dup2(r2, r3) sendmsg$TIPC_NL_PUBL_GET(r4, &(0x7f0000000980)={0x0, 0x0, &(0x7f0000000940)={0x0}}, 0x0) io_submit(r1, 0x1e09328e, &(0x7f0000000040)=[&(0x7f0000000000)={0x2, 0x0, 0x0, 0x0, 0x0, r0, 0x0, 0x12f}]) [ 71.378168][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.452743][ T8552] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.462273][ T8552] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.473593][ T8552] device bridge_slave_0 entered promiscuous mode [ 71.484540][ T8549] team0: Port device team_slave_0 added [ 71.497712][ T8552] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.508967][ T8552] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.517452][ T8552] device bridge_slave_1 entered promiscuous mode [ 71.533936][ T8549] team0: Port device team_slave_1 added 11:34:10 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mprotect(&(0x7f0000005000/0x3000)=nil, 0x3000, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x19, &(0x7f0000000100), 0x4) pkey_alloc(0x0, 0x2) sendto$inet(r0, &(0x7f00000012c0)="0c268a927f1f6588b967481241ba7860f46ef65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab4ea6f7ae55d88fecf90b1a7511bf746bec66ba", 0xfe6a, 0x11, 0x0, 0x27) [ 71.654476][ T8549] device hsr_slave_0 entered promiscuous mode [ 71.711962][ T8549] device hsr_slave_1 entered promiscuous mode [ 71.761658][ T8552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.780763][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 71.815941][ T8552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:34:11 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) unshare(0x2040400) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) r4 = dup(r3) listen(r4, 0x0) [ 71.872467][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 71.889234][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 71.897136][ T8552] team0: Port device team_slave_0 added [ 71.923757][ T8552] team0: Port device team_slave_1 added [ 72.041801][ T8552] device hsr_slave_0 entered promiscuous mode [ 72.080832][ T8552] device hsr_slave_1 entered promiscuous mode [ 72.140347][ T8552] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.148103][ T8552] Cannot create hsr debugfs directory [ 72.180884][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.187969][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.197256][ T8555] device bridge_slave_0 entered promiscuous mode [ 72.206692][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.213899][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.221637][ T8555] device bridge_slave_1 entered promiscuous mode [ 72.263585][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 72.293348][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.324501][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.339707][ T8549] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.374272][ T8549] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.424437][ T8549] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.495642][ T8549] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.574490][ T8555] team0: Port device team_slave_0 added [ 72.588701][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 72.603471][ T8555] team0: Port device team_slave_1 added [ 72.629190][ T8552] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.673387][ T8552] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.774465][ T8552] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.815301][ T8552] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.953260][ T8555] device hsr_slave_0 entered promiscuous mode [ 73.010754][ T8555] device hsr_slave_1 entered promiscuous mode [ 73.050052][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.057743][ T8555] Cannot create hsr debugfs directory [ 73.072256][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.080304][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.087850][ T8558] device bridge_slave_0 entered promiscuous mode [ 73.095998][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.103189][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.111326][ T8558] device bridge_slave_1 entered promiscuous mode [ 73.137037][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 73.192457][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.204654][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.277848][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.292064][ T8558] team0: Port device team_slave_0 added [ 73.301867][ T8558] team0: Port device team_slave_1 added [ 73.307704][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 73.334794][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.344355][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.355135][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.363834][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.371834][ T8560] device bridge_slave_0 entered promiscuous mode [ 73.379819][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.387431][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.397849][ T8560] device bridge_slave_1 entered promiscuous mode [ 73.430451][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.511634][ T8558] device hsr_slave_0 entered promiscuous mode [ 73.551076][ T8558] device hsr_slave_1 entered promiscuous mode [ 73.590055][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.597846][ T8558] Cannot create hsr debugfs directory [ 73.613330][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.630463][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.657115][ T8560] team0: Port device team_slave_0 added [ 73.677981][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.688045][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.696991][ T3324] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.704514][ T3324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.713761][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.722570][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.731142][ T3324] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.738190][ T3324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.747246][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.762531][ T8560] team0: Port device team_slave_1 added [ 73.770524][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.777578][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.788075][ T8562] device bridge_slave_0 entered promiscuous mode [ 73.798337][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.805739][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.813524][ T8562] device bridge_slave_1 entered promiscuous mode [ 73.856857][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.867096][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.876016][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.884981][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.894360][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.903016][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.911732][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.920041][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.930734][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.950753][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.959003][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.972545][ T8555] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 74.052449][ T8560] device hsr_slave_0 entered promiscuous mode [ 74.100299][ T8560] device hsr_slave_1 entered promiscuous mode [ 74.140012][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.147592][ T8560] Cannot create hsr debugfs directory [ 74.155152][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.164392][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.174404][ T8555] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 74.233583][ T8555] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 74.328304][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.348278][ T8555] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 74.416073][ T8562] team0: Port device team_slave_0 added [ 74.428904][ T8562] team0: Port device team_slave_1 added [ 74.451912][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.488897][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.497127][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.573074][ T8562] device hsr_slave_0 entered promiscuous mode [ 74.600530][ T8562] device hsr_slave_1 entered promiscuous mode [ 74.650075][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.657663][ T8562] Cannot create hsr debugfs directory [ 74.673042][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.681779][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.694489][ T8552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.706426][ T8560] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.763673][ T8560] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.826843][ T8558] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.882284][ T8558] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.922843][ T8558] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.966732][ T8558] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.023149][ T8560] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.092399][ T8560] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.148941][ T8552] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.168463][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.177414][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.201134][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.236984][ T8549] device veth0_vlan entered promiscuous mode [ 75.246672][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.256954][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.265368][ T3323] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.272426][ T3323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.280623][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.288657][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.296897][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.305511][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.313976][ T3323] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.321038][ T3323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.328825][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.337655][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.346158][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.354531][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.363271][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.371271][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.378811][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.386562][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.415130][ T8549] device veth1_vlan entered promiscuous mode [ 75.442533][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.454053][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.463838][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.471624][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.479121][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.487597][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.498602][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.546206][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.559230][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.570678][ T8562] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.603428][ T8552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.617286][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.627104][ T3322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.635690][ T3322] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.642866][ T3322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.651265][ T8562] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.682086][ T8562] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.722933][ T8562] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.789765][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.799711][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.807962][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.817023][ T3323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.825495][ T3323] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.832617][ T3323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.858811][ T8552] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.894106][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.906558][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.914435][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.931485][ T8558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.964496][ T8560] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.984053][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.996751][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.009194][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.020897][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.029706][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.043073][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.065655][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 181.049860][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.056745][ C1] rcu: 1-...!: (1 GPs behind) idle=8a2/1/0x4000000000000002 softirq=14779/14780 fqs=1 [ 181.066592][ C1] (t=10500 jiffies g=7445 q=73) [ 181.071518][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g7445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.082601][ C1] rcu: RCU grace-period kthread stack dump: [ 181.088480][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 181.096367][ C1] Call Trace: [ 181.099649][ C1] __schedule+0x9a0/0xcc0 [ 181.103973][ C1] schedule+0x181/0x210 [ 181.108117][ C1] schedule_timeout+0x14f/0x240 [ 181.112954][ C1] ? run_local_timers+0x120/0x120 [ 181.117973][ C1] rcu_gp_kthread+0xed8/0x1770 [ 181.122747][ C1] kthread+0x332/0x350 [ 181.126803][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 181.131902][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.136481][ C1] ret_from_fork+0x24/0x30 [ 181.140895][ C1] NMI backtrace for cpu 1 [ 181.145217][ C1] CPU: 1 PID: 8568 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.153782][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.163821][ C1] Call Trace: [ 181.167089][ C1] [ 181.169928][ C1] dump_stack+0x1fb/0x318 [ 181.174250][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.179090][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.185231][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.191300][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.197275][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.203155][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.208269][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.213467][ C1] ? trace_hardirqs_off+0x74/0x80 [ 181.218487][ C1] update_process_times+0x12d/0x180 [ 181.223676][ C1] tick_sched_timer+0x263/0x420 [ 181.228517][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.234050][ C1] __hrtimer_run_queues+0x403/0x840 [ 181.239252][ C1] hrtimer_interrupt+0x38c/0xda0 [ 181.244196][ C1] ? debug_smp_processor_id+0x9/0x20 [ 181.249473][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 181.255009][ C1] apic_timer_interrupt+0xf/0x20 [ 181.259928][ C1] [ 181.262859][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 181.269345][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 181.288943][ C1] RSP: 0018:ffffc90002557a60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.297338][ C1] RAX: ffffffff814896c6 RBX: ffffea000259f340 RCX: ffff888093736040 [ 181.305298][ C1] RDX: ffffc90001e79000 RSI: 000000000003ffff RDI: ffffea000259f340 [ 181.313256][ C1] RBP: ffffc90002557a88 R08: 000000000003a728 R09: ffffed1013327739 [ 181.321217][ C1] R10: ffffed1013327739 R11: 0000000000000000 R12: ffff8880a708f6a0 [ 181.329188][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809993b9b8 [ 181.337158][ C1] ? mod_memcg_page_state+0x16/0x190 [ 181.342437][ C1] ? mod_memcg_page_state+0x16/0x190 [ 181.347715][ C1] free_thread_stack+0x168/0x590 [ 181.352643][ C1] put_task_stack+0xa3/0x130 [ 181.357224][ C1] finish_task_switch+0x3f1/0x550 [ 181.362241][ C1] __schedule+0x9a8/0xcc0 [ 181.366569][ C1] preempt_schedule_irq+0xc1/0x140 [ 181.371667][ C1] retint_kernel+0x1b/0x2b [ 181.376069][ C1] RIP: 0010:kmem_cache_alloc+0x1a8/0x2e0 [ 181.381689][ C1] Code: 8b 7d d0 57 9d 0f 1f 44 00 00 e8 d3 cc c9 ff eb 1e e8 6c ca c9 ff 48 83 3d 1c fb 77 07 00 0f 84 33 01 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 41 0f 18 0e e9 21 00 00 00 89 d8 c1 e8 08 83 e0 01 [ 181.401282][ C1] RSP: 0018:ffffc90002557ce0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 181.409676][ C1] RAX: ffff8880937368d4 RBX: 0000000000000cc0 RCX: 0000000000040000 [ 181.417643][ C1] RDX: ffffc90001e79000 RSI: 00000000000001f3 RDI: 0000000000000286 [ 181.425601][ C1] RBP: ffffc90002557d18 R08: ffff888093736898 R09: ffffed1013a545e1 [ 181.433584][ C1] R10: ffffed1013a545e1 R11: 0000000000000000 R12: ffff8882153271c0 [ 181.441542][ C1] R13: ffff888098b1d540 R14: ffff8880a6532c80 R15: 0000000000000cc0 [ 181.449523][ C1] ? sk_prot_alloc+0x60/0x290 [ 181.454193][ C1] sk_prot_alloc+0x60/0x290 [ 181.458683][ C1] sk_alloc+0x38/0x9c0 [ 181.462743][ C1] inet6_create+0x56c/0xe80 [ 181.467262][ C1] __sock_create+0x5cc/0x910 [ 181.471863][ C1] __sys_socket+0xe7/0x2e0 [ 181.476298][ C1] __x64_sys_socket+0x7a/0x90 [ 181.480994][ C1] do_syscall_64+0xf7/0x1c0 [ 181.485493][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.491376][ C1] RIP: 0033:0x45af49 [ 181.495277][ C1] 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 [ 181.514872][ C1] RSP: 002b:00007f8e1d519c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 181.523273][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 181.531230][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a [ 181.539190][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 181.547165][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e1d51a6d4 [ 181.555143][ C1] R13: 00000000004cb8a5 R14: 00000000004e60a8 R15: 00000000ffffffff