[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.113448][ T27] audit: type=1800 audit(1578459655.227:25): pid=8361 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.137012][ T27] audit: type=1800 audit(1578459655.227:26): pid=8361 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.195259][ T27] audit: type=1800 audit(1578459655.227:27): pid=8361 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 '10.128.10.44' (ECDSA) to the list of known hosts. 2020/01/08 05:01:04 fuzzer started 2020/01/08 05:01:05 dialing manager at 10.128.0.26:35703 2020/01/08 05:01:05 syscalls: 2824 2020/01/08 05:01:05 code coverage: enabled 2020/01/08 05:01:05 comparison tracing: enabled 2020/01/08 05:01:05 extra coverage: enabled 2020/01/08 05:01:05 setuid sandbox: enabled 2020/01/08 05:01:05 namespace sandbox: enabled 2020/01/08 05:01:05 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:01:05 fault injection: enabled 2020/01/08 05:01:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:01:05 net packet injection: enabled 2020/01/08 05:01:05 net device setup: enabled 2020/01/08 05:01:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:01:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:01:06 executing program 0: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f00000000c0)="e8", 0x1, 0x0, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000), 0x14) 05:01:07 executing program 1: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl(r0, 0xffffffffffffffbd, &(0x7f0000000000)="ef4791a4b97e7b00ba") syzkaller login: [ 63.904281][ T8530] IPVS: ftp: loaded support on port[0] = 21 [ 64.055650][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 64.104182][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.113330][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.121596][ T8530] device bridge_slave_0 entered promiscuous mode [ 64.132500][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.140174][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state 05:01:07 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") r1 = socket(0x10, 0x2, 0x0) sendto(r1, &(0x7f0000000900)="120000001200e7ef077b1a3fcd00000200a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000037c0)=[{{&(0x7f0000000140)=@ethernet={0x0, @random}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x3d}, {&(0x7f00000000c0)=""/85, 0x4e4}, {&(0x7f00000024c0)=""/4096, 0x1048}, {&(0x7f0000000400)=""/120, 0x78}, {&(0x7f0000000480)=""/60, 0xc6}, {&(0x7f0000000280)=""/77, 0x7}, {&(0x7f0000000540)=""/154, 0x9a}, {&(0x7f0000000340)=""/22, 0x21}], 0x8, &(0x7f0000002400)=""/191, 0x1f9}}], 0x4000000000001de, 0x6, &(0x7f0000003700)={0x77359400}) [ 64.149243][ T8530] device bridge_slave_1 entered promiscuous mode [ 64.164840][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 64.222664][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.248881][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.304630][ T8530] team0: Port device team_slave_0 added [ 64.320832][ T8530] team0: Port device team_slave_1 added 05:01:07 executing program 3: syz_read_part_table(0x0, 0x2, &(0x7f0000001240)=[{0x0, 0x0, 0xfffffffffffffff9}, {&(0x7f0000000140)="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", 0x1e0, 0xd}]) [ 64.389865][ T8530] device hsr_slave_0 entered promiscuous mode [ 64.448384][ T8530] device hsr_slave_1 entered promiscuous mode [ 64.510880][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 64.619669][ T8538] IPVS: ftp: loaded support on port[0] = 21 [ 64.634889][ T8533] chnl_net:caif_netlink_parms(): no params data found 05:01:07 executing program 4: r0 = socket$kcm(0x2, 0x3, 0x2) sendmsg$inet(r0, &(0x7f0000006940)={&(0x7f0000000040)={0x2, 0x0, @broadcast}, 0x10, 0x0, 0x0, &(0x7f0000006880)=[@ip_retopts={{0x24, 0x0, 0x7, {[@generic={0x41, 0x2}, @timestamp={0x44, 0x10, 0x8, 0x1, 0x0, [0x0, 0x0, 0x0]}]}}}], 0x28}, 0x0) [ 64.770865][ T8530] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.838549][ T8530] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.879987][ T8530] netdevsim netdevsim0 netdevsim2: renamed from eth2 05:01:08 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = memfd_create(&(0x7f00000000c0)='vboxnet0md5sum\x00', 0x0) write(r3, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x11, r3, 0x0) r4 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r4, 0x10d, 0x0, 0x0, &(0x7f0000000000)) unshare(0x2000400) r5 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r5, 0x10d, 0xad, 0x0, &(0x7f0000000000)) [ 64.939785][ T8530] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.029457][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 65.036634][ T8541] IPVS: ftp: loaded support on port[0] = 21 [ 65.057484][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.064633][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.072522][ T8533] device bridge_slave_0 entered promiscuous mode [ 65.085216][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.093876][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.101559][ T8533] device bridge_slave_1 entered promiscuous mode [ 65.111955][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.119158][ T8530] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.126900][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.133962][ T8530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.158746][ T8543] IPVS: ftp: loaded support on port[0] = 21 [ 65.169973][ T2756] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.179932][ T2756] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.203282][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.216023][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.275882][ T8533] team0: Port device team_slave_0 added [ 65.298801][ T8538] chnl_net:caif_netlink_parms(): no params data found [ 65.317389][ T8533] team0: Port device team_slave_1 added [ 65.419178][ T8533] device hsr_slave_0 entered promiscuous mode [ 65.456471][ T8533] device hsr_slave_1 entered promiscuous mode [ 65.496246][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.496341][ T8533] Cannot create hsr debugfs directory [ 65.521238][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.528637][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.536999][ T8535] device bridge_slave_0 entered promiscuous mode [ 65.544936][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.552652][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.560473][ T8535] device bridge_slave_1 entered promiscuous mode [ 65.580146][ T8538] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.588508][ T8538] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.596365][ T8538] device bridge_slave_0 entered promiscuous mode [ 65.624541][ T8538] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.633052][ T8538] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.641148][ T8538] device bridge_slave_1 entered promiscuous mode [ 65.649919][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.661448][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.699185][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.715653][ T8538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.749112][ T8538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.760755][ T8535] team0: Port device team_slave_0 added [ 65.769282][ T8535] team0: Port device team_slave_1 added [ 65.846006][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.854733][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.862942][ T8533] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.910524][ T8538] team0: Port device team_slave_0 added [ 65.925076][ T8538] team0: Port device team_slave_1 added [ 65.968907][ T8535] device hsr_slave_0 entered promiscuous mode [ 66.007696][ T8535] device hsr_slave_1 entered promiscuous mode [ 66.056301][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.064044][ T8535] Cannot create hsr debugfs directory [ 66.073192][ T8533] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.137345][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.159525][ T8533] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.202277][ T8533] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.247408][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 66.260111][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.268666][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.277492][ T3217] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.284529][ T3217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.300341][ T8541] chnl_net:caif_netlink_parms(): no params data found [ 66.397886][ T8538] device hsr_slave_0 entered promiscuous mode [ 66.436524][ T8538] device hsr_slave_1 entered promiscuous mode [ 66.486257][ T8538] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.493843][ T8538] Cannot create hsr debugfs directory [ 66.518029][ T2755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.527025][ T2755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.535684][ T2755] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.542784][ T2755] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.556987][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.570242][ T8541] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.578864][ T8541] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.587788][ T8541] device bridge_slave_0 entered promiscuous mode [ 66.624505][ T8541] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.632390][ T8541] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.640474][ T8541] device bridge_slave_1 entered promiscuous mode [ 66.652754][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.661254][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.669918][ T8543] device bridge_slave_0 entered promiscuous mode [ 66.678348][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.685392][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.694148][ T8543] device bridge_slave_1 entered promiscuous mode [ 66.722572][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.745142][ T8541] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.770136][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.779909][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.800255][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.810715][ T8541] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.822025][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.845016][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.853426][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.864487][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.877982][ T8535] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.921708][ T8535] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.001532][ T8535] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.037449][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.045717][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.054348][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.062805][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.071943][ T8530] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.092962][ T8541] team0: Port device team_slave_0 added [ 67.099408][ T8535] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.161237][ T8543] team0: Port device team_slave_0 added [ 67.177150][ T8543] team0: Port device team_slave_1 added [ 67.184343][ T8541] team0: Port device team_slave_1 added [ 67.247898][ T8541] device hsr_slave_0 entered promiscuous mode [ 67.296665][ T8541] device hsr_slave_1 entered promiscuous mode [ 67.336295][ T8541] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.343902][ T8541] Cannot create hsr debugfs directory [ 67.351555][ T8538] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.414160][ T8538] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.473564][ T8538] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.532845][ T8538] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.585169][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.592794][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.627834][ T8543] device hsr_slave_0 entered promiscuous mode [ 67.667234][ T8543] device hsr_slave_1 entered promiscuous mode [ 67.726192][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.734560][ T8543] Cannot create hsr debugfs directory [ 67.793004][ T8530] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.864434][ T8533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.890565][ T8543] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.939804][ T8543] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.004756][ T8543] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.071977][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.080906][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.092641][ T8533] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.099951][ T8543] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.161053][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.169885][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.178869][ T8541] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.218100][ T8541] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.288483][ T8535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.316933][ T8541] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.348215][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.356902][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.365256][ T3220] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.372377][ T3220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.380048][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.389158][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.397565][ T3220] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.404620][ T3220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.412229][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.420331][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.428641][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.437355][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.445087][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.452880][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.470536][ T8530] device veth0_vlan entered promiscuous mode [ 68.479265][ T8541] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.558251][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.567622][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.575171][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.583508][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.593475][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.602498][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.611272][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.621627][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.634555][ T8530] device veth1_vlan entered promiscuous mode [ 68.653363][ T8533] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.666989][ T8533] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.680322][ T8535] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.694131][ T8538] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.703170][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.712485][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.721886][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.730827][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.739346][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.748329][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.757068][ T2797] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.764195][ T2797] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.772431][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.780048][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.824056][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.834625][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.843043][ T2797] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.850098][ T2797] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.858925][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.868813][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.878440][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.886300][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.900542][ T8533] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.913839][ T8538] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.937705][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.945163][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.954394][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.964383][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.972842][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.981275][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.990219][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.035239][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.046593][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.055601][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 174.096081][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.103024][ C0] rcu: 0-...!: (1 GPs behind) idle=e52/1/0x4000000000000002 softirq=13340/13341 fqs=41 [ 174.113055][ C0] (t=10501 jiffies g=6837 q=188) [ 174.118069][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6837 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.129153][ C0] rcu: RCU grace-period kthread stack dump: [ 174.135031][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.142921][ C0] Call Trace: [ 174.146221][ C0] __schedule+0x9a0/0xcc0 [ 174.150583][ C0] schedule+0x181/0x210 [ 174.154732][ C0] schedule_timeout+0x14f/0x240 [ 174.159591][ C0] ? run_local_timers+0x120/0x120 [ 174.164605][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.169366][ C0] kthread+0x332/0x350 [ 174.173418][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.178519][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.183100][ C0] ret_from_fork+0x24/0x30 [ 174.187518][ C0] NMI backtrace for cpu 0 [ 174.191838][ C0] CPU: 0 PID: 3217 Comm: kworker/0:108 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.200315][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.210395][ C0] Workqueue: events linkwatch_event [ 174.215583][ C0] Call Trace: [ 174.218855][ C0] [ 174.221705][ C0] dump_stack+0x1fb/0x318 [ 174.226026][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.230873][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.237018][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.243072][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.249043][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.254922][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.260037][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.265231][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.270252][ C0] update_process_times+0x12d/0x180 [ 174.275443][ C0] tick_sched_timer+0x263/0x420 [ 174.280293][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.285828][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.291031][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.295972][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.301251][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.306786][ C0] apic_timer_interrupt+0xf/0x20 [ 174.311705][ C0] [ 174.314636][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 174.320345][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 174.339935][ C0] RSP: 0018:ffffc90008c3f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.348332][ C0] RAX: 1ffff11013f20d91 RBX: ffff88809f906c88 RCX: ffff88809d8c0500 [ 174.356289][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028039c0 [ 174.364248][ C0] RBP: ffffc90008c3f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.372206][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809f906d20 [ 174.380251][ C0] R13: dffffc0000000000 R14: 1ffff11013f20da4 R15: ffff8880a83c76b8 [ 174.388234][ C0] put_task_stack+0xa3/0x130 [ 174.392813][ C0] finish_task_switch+0x3f1/0x550 [ 174.397866][ C0] __schedule+0x9a8/0xcc0 [ 174.402193][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.407290][ C0] preempt_schedule+0xdb/0x120 [ 174.412042][ C0] ___preempt_schedule+0x16/0x18 [ 174.416969][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 174.421634][ C0] ? vprintk_emit+0x368/0x3a0 [ 174.426298][ C0] vprintk_emit+0x36d/0x3a0 [ 174.430792][ C0] vprintk_default+0x28/0x30 [ 174.435368][ C0] vprintk_func+0x158/0x170 [ 174.439863][ C0] printk+0x62/0x8d [ 174.443661][ C0] ? addrconf_notify+0xd37/0x3c90 [ 174.448669][ C0] ? addrconf_notify+0x779/0x3c90 [ 174.453686][ C0] addrconf_notify+0x2c8d/0x3c90 [ 174.458617][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 174.463887][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.469249][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.474780][ C0] ? trace_hardirqs_on+0x74/0x80 [ 174.479703][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.485065][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.490594][ C0] ? tls_dev_event+0x619/0xc00 [ 174.495349][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.500905][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 174.506113][ C0] raw_notifier_call_chain+0xec/0x190 [ 174.511486][ C0] netdev_state_change+0x147/0x1f0 [ 174.516597][ C0] linkwatch_do_dev+0x10e/0x160 [ 174.521443][ C0] __linkwatch_run_queue+0x446/0x730 [ 174.526765][ C0] linkwatch_event+0x4c/0x60 [ 174.531347][ C0] process_one_work+0x7ef/0x10d0 [ 174.536294][ C0] worker_thread+0xc01/0x1630 [ 174.540983][ C0] kthread+0x332/0x350 [ 174.545038][ C0] ? rcu_lock_release+0x30/0x30 [ 174.549875][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.554453][ C0] ret_from_fork+0x24/0x30