[?25l[?1c7[ ok 8[?25h[?0c. [ 43.150919][ T26] audit: type=1800 audit(1575369585.116:25): pid=8045 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.175625][ T26] audit: type=1800 audit(1575369585.116:26): pid=8045 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.195449][ T26] audit: type=1800 audit(1575369585.116:27): pid=8045 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 '10.128.1.30' (ECDSA) to the list of known hosts. 2019/12/03 10:39:55 fuzzer started 2019/12/03 10:39:57 dialing manager at 10.128.0.26:38907 2019/12/03 10:39:57 syscalls: 2697 2019/12/03 10:39:57 code coverage: enabled 2019/12/03 10:39:57 comparison tracing: enabled 2019/12/03 10:39:57 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:39:57 setuid sandbox: enabled 2019/12/03 10:39:57 namespace sandbox: enabled 2019/12/03 10:39:57 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:39:57 fault injection: enabled 2019/12/03 10:39:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:39:57 net packet injection: enabled 2019/12/03 10:39:57 net device setup: enabled 2019/12/03 10:39:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:39:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:39:58 executing program 0: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000100)="0900000000003639408fa3a3ba27660199783b0a82f79b32a7c8225086600a38e07d4db88a66596759e95307b680ab73e03c53555c97e8e37d01da4d44a994354a9fa3f355214eeabd24fd620b2022d5ad63b369aaffe9a6b608a5fece0eca95d71f2d3e60613a027fb50cbcbd92d44076d3b97247e066165ccf1032f51d36ab231f6c20d87e9167edf69776dca67d90a17ccd18fb9c7b21d53478e382dcf296a23a060bfe9ac9d9cd196187d0b64c834783111c7758bf5a62c19773", 0xbc}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) creat(&(0x7f0000000100)='./file0\x00', 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 10:39:58 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") unshare(0x400) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_int(r1, 0x6, 0x4, &(0x7f0000000000), 0x4) syzkaller login: [ 56.549808][ T8208] IPVS: ftp: loaded support on port[0] = 21 [ 56.672039][ T8208] chnl_net:caif_netlink_parms(): no params data found 10:39:58 executing program 2: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semop(0x0, 0x0, 0x0) semctl$GETPID(0x0, 0x0, 0xb, &(0x7f0000000900)=""/4096) setsockopt$SO_RDS_TRANSPORT(0xffffffffffffffff, 0x114, 0x8, &(0x7f00000008c0), 0x4) mount(&(0x7f0000000040)=ANY=[@ANYBLOB="dfe0716c252e2222ec9e1742041bfe6848796490583731d9a7f9cec0deddcbe57b8578342e586caf2c83f9e571217bc4556e2e3a"], &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='ceph\x00', 0x0, 0x0) [ 56.731781][ T8208] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.741197][ T8208] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.749125][ T8208] device bridge_slave_0 entered promiscuous mode [ 56.759306][ T8208] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.771751][ T8208] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.781912][ T8208] device bridge_slave_1 entered promiscuous mode [ 56.801064][ T8211] IPVS: ftp: loaded support on port[0] = 21 [ 56.846424][ T8208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.889086][ T8208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:39:59 executing program 3: r0 = syz_open_dev$sndseq(&(0x7f00000002c0)='/dev/snd/seq\x00', 0x0, 0x800000000042101) write$sndseq(r0, 0x0, 0x0) r1 = epoll_create(0x4) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000040)) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x4058534c, &(0x7f00000000c0)={0x80, 0x7f}) [ 56.948312][ T8208] team0: Port device team_slave_0 added [ 56.968947][ T8208] team0: Port device team_slave_1 added [ 57.048723][ T8208] device hsr_slave_0 entered promiscuous mode [ 57.085643][ T8208] device hsr_slave_1 entered promiscuous mode [ 57.158356][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 57.189238][ T8211] chnl_net:caif_netlink_parms(): no params data found 10:39:59 executing program 4: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5263f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup3(r1, r0, 0x0) [ 57.242105][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 57.269142][ T8208] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.338213][ T8208] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.417716][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.424861][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.446255][ T8211] device bridge_slave_0 entered promiscuous mode [ 57.454201][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state 10:39:59 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000740)={&(0x7f0000000500)=ANY=[@ANYBLOB="9feb01001800000000000000c4000000c40000000a00000005000000000000080200000000000000070000060400000005000000560e000001000000010000000e00000000002000020000003f0000000300000001000100060000000001000002000000170000000d0000000000000b03000000000000000400000d000000000900000005000000050000000200000000000000020000000a000000010000001000000000000002050000000800000003000084ff7f0000010000000200000000feffff09000000050000007f0000000a000000020000000800000000615f6113cbd159f200"], &(0x7f0000000600)=""/203, 0xe6, 0xcb, 0x1}, 0x20) [ 57.461825][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.470101][ T8211] device bridge_slave_1 entered promiscuous mode [ 57.477480][ T8208] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.538715][ T8208] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.649045][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 57.655253][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.656682][ T8218] IPVS: ftp: loaded support on port[0] = 21 [ 57.670420][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.702295][ T8211] team0: Port device team_slave_0 added [ 57.712492][ T8211] team0: Port device team_slave_1 added [ 57.799145][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 57.887133][ T8211] device hsr_slave_0 entered promiscuous mode [ 57.945761][ T8211] device hsr_slave_1 entered promiscuous mode [ 58.015607][ T8211] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.090629][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 58.168521][ T8218] chnl_net:caif_netlink_parms(): no params data found [ 58.181868][ T8211] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.229842][ T8211] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.288046][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.295199][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.303052][ T8213] device bridge_slave_0 entered promiscuous mode [ 58.335161][ T8211] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.376737][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.383824][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.393994][ T8213] device bridge_slave_1 entered promiscuous mode [ 58.414793][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 58.427940][ T8211] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.479674][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.499064][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.540982][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.549577][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.557779][ T8216] device bridge_slave_0 entered promiscuous mode [ 58.567032][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.574115][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.582721][ T8216] device bridge_slave_1 entered promiscuous mode [ 58.601338][ T8213] team0: Port device team_slave_0 added [ 58.613355][ T8213] team0: Port device team_slave_1 added [ 58.638356][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.647759][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.654799][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.663037][ T8218] device bridge_slave_0 entered promiscuous mode [ 58.682848][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.690085][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.698238][ T8220] device bridge_slave_0 entered promiscuous mode [ 58.707697][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.721622][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.729372][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.737659][ T8218] device bridge_slave_1 entered promiscuous mode [ 58.788161][ T8213] device hsr_slave_0 entered promiscuous mode [ 58.828591][ T8213] device hsr_slave_1 entered promiscuous mode [ 58.885504][ T8213] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.893160][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.900480][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.908572][ T8220] device bridge_slave_1 entered promiscuous mode [ 58.935913][ T8208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.958781][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.974036][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.985185][ T8216] team0: Port device team_slave_0 added [ 58.992228][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.009290][ T8208] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.018170][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.037906][ T8216] team0: Port device team_slave_1 added [ 59.051211][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.060161][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.091811][ T8218] team0: Port device team_slave_0 added [ 59.101685][ T8218] team0: Port device team_slave_1 added [ 59.147752][ T8218] device hsr_slave_0 entered promiscuous mode [ 59.195894][ T8218] device hsr_slave_1 entered promiscuous mode [ 59.245556][ T8218] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.254780][ T8220] team0: Port device team_slave_0 added [ 59.264581][ T8220] team0: Port device team_slave_1 added [ 59.273039][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.282285][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.290965][ T3051] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.298163][ T3051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.358056][ T8216] device hsr_slave_0 entered promiscuous mode [ 59.405807][ T8216] device hsr_slave_1 entered promiscuous mode [ 59.445540][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.464291][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.474803][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.483786][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.492572][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.499699][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.508553][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.543290][ T8213] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.578268][ T8213] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.627430][ T8213] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.667163][ T8213] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.718305][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.727140][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.735892][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.744195][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.787412][ T8220] device hsr_slave_0 entered promiscuous mode [ 59.835949][ T8220] device hsr_slave_1 entered promiscuous mode [ 59.875514][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.890726][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.899939][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.931788][ T8211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.951036][ T8216] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.018314][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.027318][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.036560][ T8218] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.088309][ T8218] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.149796][ T8218] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.206430][ T8211] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.215824][ T8216] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.247661][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.256544][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.264795][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.272664][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.283749][ T8218] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.345798][ T8216] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.381392][ T8216] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.438051][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.466004][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.474622][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.484373][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.491486][ T8226] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.499687][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.508706][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.517197][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.524247][ T8226] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.531898][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.543217][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.569447][ T8220] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.610672][ T8220] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.670835][ T8220] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.731457][ T8213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.747617][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.756511][ T8220] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.795701][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.803230][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.821827][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.830217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.848757][ T8208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.867325][ T8213] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.874266][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.890372][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.899821][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.908880][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.917604][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.926305][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.934583][ T3826] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.959498][ T8211] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.972141][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.062667][ T8218] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.090629][ T8218] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.135792][ T8218] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.151671][ T8218] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.191517][ T8218] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.995298][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.002127][ C1] rcu: 1-...!: (10499 ticks this GP) idle=78e/1/0x4000000000000002 softirq=11739/11742 fqs=10 [ 166.012957][ C1] (t=10501 jiffies g=6325 q=566) [ 166.017973][ C1] rcu: rcu_preempt kthread starved for 10481 jiffies! g6325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.029056][ C1] rcu: RCU grace-period kthread stack dump: [ 166.034931][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 166.042839][ C1] Call Trace: [ 166.046128][ C1] __schedule+0x9a0/0xcc0 [ 166.050454][ C1] schedule+0x181/0x210 [ 166.054609][ C1] schedule_timeout+0x14f/0x240 [ 166.059448][ C1] ? run_local_timers+0x120/0x120 [ 166.064481][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.069240][ C1] kthread+0x332/0x350 [ 166.073296][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.078397][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.082983][ C1] ret_from_fork+0x24/0x30 [ 166.087409][ C1] NMI backtrace for cpu 1 [ 166.091761][ C1] CPU: 1 PID: 8229 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.099980][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.110019][ C1] Call Trace: [ 166.113292][ C1] [ 166.116136][ C1] dump_stack+0x1fb/0x318 [ 166.120458][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.125302][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.131456][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.137527][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.143518][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.149405][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.154526][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.159716][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.164730][ C1] update_process_times+0x12d/0x180 [ 166.169944][ C1] tick_sched_timer+0x263/0x420 [ 166.174807][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.180353][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.185557][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.190499][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.195776][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.201311][ C1] apic_timer_interrupt+0xf/0x20 [ 166.206232][ C1] [ 166.209162][ C1] RIP: 0010:__memcg_kmem_uncharge+0x0/0x2e0 [ 166.215040][ C1] Code: 00 eb 1b 83 3d 40 90 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 [ 166.234633][ C1] RSP: 0018:ffffc90001fc7d38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.243031][ C1] RAX: ffffffff81486ea4 RBX: ffffea000291b880 RCX: ffff88809e8e6240 [ 166.250993][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000291b880 [ 166.258968][ C1] RBP: ffffc90001fc7d78 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.266929][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a38bf920 [ 166.274888][ C1] R13: dffffc0000000000 R14: 1ffff11014717f24 R15: ffff8880a86e1568 [ 166.282860][ C1] ? free_thread_stack+0x124/0x590 [ 166.287998][ C1] ? free_thread_stack+0x12e/0x590 [ 166.293114][ C1] put_task_stack+0xa3/0x130 [ 166.297704][ C1] finish_task_switch+0x3f1/0x550 [ 166.302727][ C1] __schedule+0x9a8/0xcc0 [ 166.307053][ C1] schedule+0x181/0x210 [ 166.311199][ C1] prepare_exit_to_usermode+0x2d4/0x5b0 [ 166.316755][ C1] ret_from_intr+0x26/0x36 [ 166.321157][ C1] RIP: 0033:0x45a3a7 [ 166.325048][ C1] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.345507][ C1] RSP: 002b:00007ffc95aea6c8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 166.353966][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045a3a7 [ 166.361937][ C1] RDX: 00007ffc95aea763 RSI: 00000000004c00e9 RDI: 00007ffc95aea750 [ 166.369913][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 [ 166.377884][ C1] R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 [ 166.385877][ C1] R13: 00007ffc95aea700 R14: 0000000000000000 R15: 00007ffc95aea710