[ 54.808778][ T27] audit: type=1800 audit(1578462895.496:25): pid=8349 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.848062][ T27] audit: type=1800 audit(1578462895.496:26): pid=8349 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.872959][ T27] audit: type=1800 audit(1578462895.496:27): pid=8349 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. [ 55.396417][ T8416] sshd (8416) used greatest stack depth: 23632 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. 2020/01/08 05:55:03 fuzzer started 2020/01/08 05:55:05 dialing manager at 10.128.0.26:35703 2020/01/08 05:55:05 syscalls: 2824 2020/01/08 05:55:05 code coverage: enabled 2020/01/08 05:55:05 comparison tracing: enabled 2020/01/08 05:55:05 extra coverage: enabled 2020/01/08 05:55:05 setuid sandbox: enabled 2020/01/08 05:55:05 namespace sandbox: enabled 2020/01/08 05:55:05 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:55:05 fault injection: enabled 2020/01/08 05:55:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:55:05 net packet injection: enabled 2020/01/08 05:55:05 net device setup: enabled 2020/01/08 05:55:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:55:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:55:06 executing program 0: socket$unix(0x1, 0x0, 0x0) r0 = gettid() fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) bind$bt_rfcomm(0xffffffffffffffff, 0x0, 0x0) write$P9_RXATTRWALK(0xffffffffffffffff, 0x0, 0x0) open(0x0, 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) open(0x0, 0x0, 0x0) socket$unix(0x1, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) setreuid(0x0, 0x0) socket(0x0, 0x0, 0x0) keyctl$setperm(0x5, 0x0, 0x0) keyctl$chown(0x4, 0x0, 0x0, 0x0) getuid() open(0x0, 0x0, 0x0) fstat(0xffffffffffffffff, 0x0) socket$can_j1939(0x1d, 0x2, 0x7) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) socket$unix(0x1, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, 0x0, 0x0) open(0x0, 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) gettid() socket(0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe) keyctl$setperm(0x5, 0x0, 0x0) keyctl$chown(0x4, 0x0, 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) lstat(0x0, 0x0) socket(0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe) open(0x0, 0x0, 0x0) open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) open(0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) capset(&(0x7f0000000080)={0x19980330, r0}, &(0x7f00000000c0)={0x888, 0x7fff}) pipe(&(0x7f0000000000)) 05:55:06 executing program 1: r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000080)={0xb}) syzkaller login: [ 66.091686][ T8514] IPVS: ftp: loaded support on port[0] = 21 05:55:06 executing program 2: perf_event_open(&(0x7f0000000100)={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_config_ext={0x5}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$ttynull(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ttynull\x00', 0x4007, 0x0) [ 66.260819][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 66.269808][ T8517] IPVS: ftp: loaded support on port[0] = 21 [ 66.422992][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.431198][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.439574][ T8514] device bridge_slave_0 entered promiscuous mode [ 66.462864][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.470470][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.478606][ T8514] device bridge_slave_1 entered promiscuous mode [ 66.494960][ T8517] chnl_net:caif_netlink_parms(): no params data found [ 66.509642][ T8520] IPVS: ftp: loaded support on port[0] = 21 [ 66.520372][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.534207][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.565639][ T8514] team0: Port device team_slave_0 added [ 66.575618][ T8514] team0: Port device team_slave_1 added 05:55:07 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) unshare(0x8000400) r1 = openat$smack_task_current(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/attr/current\x00', 0x2, 0x0) lseek(r1, 0x0, 0x4) [ 66.640628][ T8514] device hsr_slave_0 entered promiscuous mode [ 66.678326][ T8514] device hsr_slave_1 entered promiscuous mode [ 66.777869][ T8517] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.786904][ T8517] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.796894][ T8517] device bridge_slave_0 entered promiscuous mode [ 66.813343][ T8523] IPVS: ftp: loaded support on port[0] = 21 [ 66.830389][ T8517] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.837461][ T8517] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.850556][ T8517] device bridge_slave_1 entered promiscuous mode 05:55:07 executing program 4: unshare(0x8000400) r0 = mq_open(&(0x7f000004b000)='/$cgrouplo\x00', 0x8c2, 0x0, &(0x7f000004b000)={0xffffffffffffffff, 0x1, 0x3}) mq_timedreceive(r0, &(0x7f0000000000)=""/121, 0x79, 0x0, 0x0) [ 66.923119][ T8517] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.960901][ T8517] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.061499][ T8514] netdevsim netdevsim0 netdevsim0: renamed from eth0 05:55:07 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0x64) [ 67.170531][ T8514] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.232465][ T8517] team0: Port device team_slave_0 added [ 67.243555][ T8517] team0: Port device team_slave_1 added [ 67.249756][ T8514] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.289627][ T8514] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.330162][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 67.346429][ T8520] chnl_net:caif_netlink_parms(): no params data found [ 67.403456][ T8528] IPVS: ftp: loaded support on port[0] = 21 [ 67.431204][ T8517] device hsr_slave_0 entered promiscuous mode [ 67.498433][ T8517] device hsr_slave_1 entered promiscuous mode [ 67.578188][ T8517] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.585909][ T8517] Cannot create hsr debugfs directory [ 67.602803][ T8523] chnl_net:caif_netlink_parms(): no params data found [ 67.641677][ T8520] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.648950][ T8520] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.656878][ T8520] device bridge_slave_0 entered promiscuous mode [ 67.665799][ T8520] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.673476][ T8520] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.681448][ T8520] device bridge_slave_1 entered promiscuous mode [ 67.700477][ T8523] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.707842][ T8523] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.716916][ T8523] device bridge_slave_0 entered promiscuous mode [ 67.754505][ T8523] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.765182][ T8523] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.773099][ T8523] device bridge_slave_1 entered promiscuous mode [ 67.786048][ T8520] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.797094][ T8520] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.837260][ T8523] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.872542][ T8520] team0: Port device team_slave_0 added [ 67.879810][ T8523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.901279][ T8520] team0: Port device team_slave_1 added [ 67.940092][ T8523] team0: Port device team_slave_0 added [ 68.019845][ T8520] device hsr_slave_0 entered promiscuous mode [ 68.078382][ T8520] device hsr_slave_1 entered promiscuous mode [ 68.128129][ T8520] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.136187][ T8520] Cannot create hsr debugfs directory [ 68.143107][ T8523] team0: Port device team_slave_1 added [ 68.153085][ T8517] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.238612][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.300824][ T8523] device hsr_slave_0 entered promiscuous mode [ 68.338424][ T8523] device hsr_slave_1 entered promiscuous mode [ 68.378097][ T8523] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.385924][ T8523] Cannot create hsr debugfs directory [ 68.391550][ T8517] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.447077][ T8517] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.489497][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 68.524695][ T8517] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.577309][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.586550][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.636583][ T8514] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.648367][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.655675][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.663924][ T8526] device bridge_slave_0 entered promiscuous mode [ 68.673814][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.681014][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.688764][ T8526] device bridge_slave_1 entered promiscuous mode [ 68.695824][ T8528] chnl_net:caif_netlink_parms(): no params data found [ 68.742635][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.752028][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.762025][ T2836] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.769233][ T2836] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.777033][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.786538][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.794945][ T2836] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.801999][ T2836] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.836942][ T8517] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.845605][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.853538][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.867573][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.885034][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.937571][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.945411][ T8528] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.953776][ T8528] device bridge_slave_0 entered promiscuous mode [ 68.962597][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.970075][ T8528] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.977744][ T8528] device bridge_slave_1 entered promiscuous mode [ 68.985119][ T8520] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.019787][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.031796][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.039678][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.057114][ T8526] team0: Port device team_slave_0 added [ 69.080366][ T8520] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.130476][ T8520] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.174562][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.183460][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.194892][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.203794][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.215508][ T8517] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.228738][ T8526] team0: Port device team_slave_1 added [ 69.235027][ T8523] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.281752][ T8520] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.340081][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.351293][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.359941][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.370075][ T8528] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.385055][ T8528] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.407171][ T8523] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.444038][ T8514] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.455591][ T8514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.477200][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.486257][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.495568][ T2676] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.502678][ T2676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.511350][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.520215][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.528978][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.537836][ T8528] team0: Port device team_slave_0 added [ 69.547858][ T8523] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.605768][ T8523] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.676269][ T8528] team0: Port device team_slave_1 added [ 69.693291][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.703789][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.712642][ T2836] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.719798][ T2836] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.770880][ T8526] device hsr_slave_0 entered promiscuous mode [ 69.808301][ T8526] device hsr_slave_1 entered promiscuous mode [ 69.858574][ T8526] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.866213][ T8526] Cannot create hsr debugfs directory [ 69.920163][ T8528] device hsr_slave_0 entered promiscuous mode [ 69.968490][ T8528] device hsr_slave_1 entered promiscuous mode [ 70.018617][ T8528] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.026297][ T8528] Cannot create hsr debugfs directory [ 70.032153][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.041128][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.049982][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.057545][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.065186][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.074503][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.107522][ T8517] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.118390][ T8517] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.152558][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.160724][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.171693][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.180856][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.189721][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.197933][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.206373][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.214694][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.227301][ T8514] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.297585][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.305929][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.336682][ T8517] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.366008][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.376915][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.414797][ T8514] device veth0_vlan entered promiscuous mode [ 70.433106][ T8528] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.460832][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.469776][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.478914][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.486709][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.501408][ T8514] device veth1_vlan entered promiscuous mode [ 70.515656][ T8528] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.553239][ T8523] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.563774][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.573186][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.582007][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.611862][ T8517] device veth0_vlan entered promiscuous mode [ 70.618937][ T8528] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.650372][ T8528] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.694118][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.702875][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.711651][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.720056][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.733170][ T8517] device veth1_vlan entered promiscuous mode [ 70.742766][ T8526] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.791277][ T8526] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 175.797974][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.804826][ C0] rcu: 0-...!: (10499 ticks this GP) idle=2de/1/0x4000000000000002 softirq=13619/13619 fqs=0 [ 175.815322][ C0] (t=10500 jiffies g=6765 q=74) [ 175.820271][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.831377][ C0] rcu: RCU grace-period kthread stack dump: [ 175.837254][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.845232][ C0] Call Trace: [ 175.848520][ C0] __schedule+0x9a0/0xcc0 [ 175.852848][ C0] schedule+0x181/0x210 [ 175.857005][ C0] schedule_timeout+0x14f/0x240 [ 175.861849][ C0] ? run_local_timers+0x120/0x120 [ 175.866867][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.871627][ C0] kthread+0x332/0x350 [ 175.875680][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.880778][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.886313][ C0] ret_from_fork+0x24/0x30 [ 175.890826][ C0] NMI backtrace for cpu 0 [ 175.895144][ C0] CPU: 0 PID: 8526 Comm: syz-executor.4 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.903711][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.913752][ C0] Call Trace: [ 175.917030][ C0] [ 175.919876][ C0] dump_stack+0x1fb/0x318 [ 175.924214][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.929332][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.935491][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.941573][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.947553][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.953449][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.958559][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.963752][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.968773][ C0] update_process_times+0x12d/0x180 [ 175.973964][ C0] tick_sched_timer+0x263/0x420 [ 175.978807][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.984359][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.989603][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.994568][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.999852][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.005412][ C0] apic_timer_interrupt+0xf/0x20 [ 176.010359][ C0] [ 176.013292][ C0] RIP: 0010:free_thread_stack+0x124/0x590 [ 176.019024][ C0] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 <48> 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 [ 176.038794][ C0] RSP: 0018:ffffc90002676da8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 176.047216][ C0] RAX: ffffffff81489244 RBX: ffffea00026354c0 RCX: ffff888094f7c080 [ 176.055179][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026354c0 [ 176.063140][ C0] RBP: ffffc90002676de0 R08: 000000000003a728 R09: ffffed10123e36a9 [ 176.071276][ C0] R10: ffffed10123e36a9 R11: 0000000000000000 R12: ffff88808e5db7a0 [ 176.079233][ C0] R13: dffffc0000000000 R14: 1ffff11011cbb6f4 R15: ffff888091f1b538 [ 176.087207][ C0] ? free_thread_stack+0x124/0x590 [ 176.092316][ C0] ? free_thread_stack+0x124/0x590 [ 176.097422][ C0] put_task_stack+0xa3/0x130 [ 176.102002][ C0] finish_task_switch+0x3f1/0x550 [ 176.107019][ C0] __schedule+0x9a8/0xcc0 [ 176.111351][ C0] ? console_unlock+0xe41/0xef0 [ 176.116193][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.121296][ C0] preempt_schedule+0xdb/0x120 [ 176.126118][ C0] ___preempt_schedule+0x16/0x18 [ 176.131042][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 176.135729][ C0] ? vprintk_emit+0x368/0x3a0 [ 176.140483][ C0] vprintk_emit+0x36d/0x3a0 [ 176.144980][ C0] dev_vprintk_emit+0x495/0x513 [ 176.149834][ C0] ? __lock_acquire+0xc75/0x1be0 [ 176.154761][ C0] ? is_bpf_text_address+0x358/0x370 [ 176.160059][ C0] dev_printk_emit+0x6a/0x8c [ 176.164645][ C0] __netdev_printk+0x301/0x3e9 [ 176.169402][ C0] netdev_info+0xb9/0xe4 [ 176.173634][ C0] ? dev_change_name+0x192/0x9b0 [ 176.178581][ C0] dev_change_name+0x8a5/0x9b0 [ 176.183346][ C0] ? rtnetlink_rcv+0x1c/0x20 [ 176.187949][ C0] ? netlink_unicast+0x767/0x920 [ 176.192870][ C0] ? netlink_sendmsg+0xa31/0xd50 [ 176.197801][ C0] ? do_setlink+0x8bf/0x3960 [ 176.202376][ C0] ? do_syscall_64+0xf7/0x1c0 [ 176.207049][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.213284][ C0] do_setlink+0x8bf/0x3960 [ 176.217713][ C0] ? memset+0x31/0x40 [ 176.221694][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 176.227244][ C0] ? __kasan_check_read+0x11/0x20 [ 176.232267][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 176.236955][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 176.242003][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.247092][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 176.252463][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 176.257658][ C0] ? rcu_lock_release+0x9/0x30 [ 176.262435][ C0] ? rtnl_setlink+0x490/0x490 [ 176.267108][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 176.272073][ C0] ? rcu_lock_release+0x9/0x30 [ 176.276830][ C0] ? rcu_lock_release+0x9/0x30 [ 176.281765][ C0] ? rcu_lock_release+0x9/0x30 [ 176.286628][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 176.291390][ C0] ? rtnetlink_bind+0x80/0x80 [ 176.296094][ C0] rtnetlink_rcv+0x1c/0x20 [ 176.300515][ C0] netlink_unicast+0x767/0x920 [ 176.305334][ C0] netlink_sendmsg+0xa31/0xd50 [ 176.310101][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 176.315306][ C0] __sys_sendto+0x442/0x5e0 [ 176.319838][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 176.325896][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 176.331623][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.337190][ C0] __x64_sys_sendto+0xe5/0x100 [ 176.341961][ C0] do_syscall_64+0xf7/0x1c0 [ 176.346463][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.352359][ C0] RIP: 0033:0x414c43 [ 176.356274][ C0] 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 [ 176.375877][ C0] RSP: 002b:00007ffd9886f818 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 176.384286][ C0] RAX: ffffffffffffffda RBX: 0000000000a71da0 RCX: 0000000000414c43 [ 176.392251][ C0] RDX: 0000000000000030 RSI: 0000000000a71df0 RDI: 0000000000000005 [ 176.400223][ C0] RBP: 0000000000000000 R08: 00007ffd9886f820 R09: 000000000000000c [ 176.408203][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.416162][ C0] R13: 0000000000000000 R14: 0000000000a71df0 R15: 0000000000000005