[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.264064][ T27] audit: type=1800 audit(1578451259.847:25): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.283415][ T27] audit: type=1800 audit(1578451259.847:26): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.310905][ T27] audit: type=1800 audit(1578451259.847:27): pid=8270 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 '10.128.0.16' (ECDSA) to the list of known hosts. 2020/01/08 02:41:10 fuzzer started 2020/01/08 02:41:12 dialing manager at 10.128.0.26:35703 2020/01/08 02:41:12 syscalls: 2824 2020/01/08 02:41:12 code coverage: enabled 2020/01/08 02:41:12 comparison tracing: enabled 2020/01/08 02:41:12 extra coverage: enabled 2020/01/08 02:41:12 setuid sandbox: enabled 2020/01/08 02:41:12 namespace sandbox: enabled 2020/01/08 02:41:12 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:41:12 fault injection: enabled 2020/01/08 02:41:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:41:12 net packet injection: enabled 2020/01/08 02:41:12 net device setup: enabled 2020/01/08 02:41:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:41:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:41:13 executing program 0: 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) accept$packet(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000180)=[@in6={0xa, 0x4e22, 0x0, @ipv4={[0x0, 0x0, 0x0, 0xfec0000000000000], [], @local}}, @in={0x2, 0x0, @remote}], 0x2c) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in={0x2, 0x4e22, @remote}, @in={0x2, 0x4e22, @dev}], 0x20) r1 = socket(0x0, 0x80002, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x46578f4ed6de0b20, &(0x7f0000000500)={@dev, @remote, 0x0}, &(0x7f0000000540)=0xc) setsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000640)={{{@in6=@loopback, @in=@empty, 0x4e23, 0x7, 0x4e23, 0x7, 0xf, 0x80, 0x20, 0xc, r2}, {0xffffffff, 0x0, 0xe1, 0x7e0f, 0xe000, 0x0, 0x5a, 0x7f}, {0x2, 0x200, 0x8000, 0x4}, 0x1, 0x6e6bb1, 0x4, 0x0, 0x2}, {{@in=@dev={0xac, 0x14, 0x14, 0x17}, 0x4d4, 0x6c}, 0x2, @in=@empty, 0x0, 0x2, 0x2, 0x81, 0x2, 0x658, 0x7c0c0000}}, 0xe8) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000180)=[@in={0x2, 0x0, @remote}], 0x10) ioctl$IMGETCOUNT(0xffffffffffffffff, 0x80044943, &(0x7f0000000740)) setsockopt$packet_rx_ring(0xffffffffffffffff, 0x107, 0x5, &(0x7f0000000300)=@req3={0x0, 0x8, 0x9, 0x8, 0x1, 0x6, 0x4e}, 0x1c) 02:41:13 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000b6dfc8)={0x500, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x400000000000003, 0x0, 0x403, 0x12, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @ipv4={[0x300000000000000, 0x0, 0x0, 0x6000000, 0x0, 0x0, 0x6000000, 0x40030000000000], [], @initdev={0xac, 0x1e, 0x0, 0x0}}}}, @sadb_key={0x4, 0x9, 0xa8, 0x0, "015422f57bff8898f331717f149cd31d99417568f7"}, @sadb_sa={0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0xffffff0d}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @dev}}]}, 0x90}}, 0x0) syzkaller login: [ 60.208857][ T8437] IPVS: ftp: loaded support on port[0] = 21 [ 60.355953][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 60.409437][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.420967][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.428979][ T8437] device bridge_slave_0 entered promiscuous mode [ 60.445236][ T8440] IPVS: ftp: loaded support on port[0] = 21 [ 60.452620][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state 02:41:14 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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) keyctl$instantiate(0xc, 0x0, &(0x7f0000000100)=@encrypted_new={'new ', 'default', 0x20, 'trusted:', 'em1', 0x20, 0xdfc}, 0xfffffffffffffff5, 0xfffffffffffffffd) syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') r1 = add_key(&(0x7f0000000140)='encrypted\x00', &(0x7f0000000180)={'syz'}, &(0x7f0000000100), 0x1f1, 0xfffffffffffffffe) keyctl$update(0x2, r1, 0x0, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) [ 60.459758][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.474816][ T8437] device bridge_slave_1 entered promiscuous mode [ 60.546044][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.584760][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.633736][ T8437] team0: Port device team_slave_0 added [ 60.642310][ T8437] team0: Port device team_slave_1 added [ 60.664645][ T8442] IPVS: ftp: loaded support on port[0] = 21 02:41:14 executing program 3: r0 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x40, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0xc0d05640, &(0x7f00000002c0)={0x2, @pix={0x0, 0x0, 0x31324d4e}}) [ 60.733801][ T8437] device hsr_slave_0 entered promiscuous mode [ 60.782055][ T8437] device hsr_slave_1 entered promiscuous mode 02:41:14 executing program 4: r0 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xa) setreuid(0x0, r1) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x8, 0x4, &(0x7f0000000200)=ANY=[@ANYBLOB="18000000000000000000000000000043631198000000000095000000e3090000f187977da7e5208e0be723edb4e09e0c2cd73733730f76b92821daa3b25df231efd4e014d7fc042bd2f004247b70898c78fff6ad58dd4ec0b1891de0cf080ac7e57e537163dd0fe85be2305975af215c67bc6dc22606089d6be2a5841e296c260e0452727a57bcd400a80ee3afafa79ac1a92f1fd91f3787bd91903820698bbe20d4530d0d2ad7eed97a8a1f8aeae341fc1bb56dbb"], &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 61.016057][ T8444] IPVS: ftp: loaded support on port[0] = 21 [ 61.118877][ T8440] chnl_net:caif_netlink_parms(): no params data found 02:41:14 executing program 5: r0 = perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000580)) [ 61.263901][ T8440] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.271650][ T8440] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.279362][ T8440] device bridge_slave_0 entered promiscuous mode [ 61.287863][ T8437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.354419][ T8437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.402648][ T8437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.454942][ T8437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.522732][ T8440] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.529840][ T8440] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.538134][ T8440] device bridge_slave_1 entered promiscuous mode [ 61.579778][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 61.595325][ T8449] IPVS: ftp: loaded support on port[0] = 21 [ 61.607064][ T8440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.634668][ T8442] chnl_net:caif_netlink_parms(): no params data found [ 61.651598][ T8440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.692955][ T8440] team0: Port device team_slave_0 added [ 61.708650][ T8440] team0: Port device team_slave_1 added [ 61.782870][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 61.862622][ T8440] device hsr_slave_0 entered promiscuous mode [ 61.921240][ T8440] device hsr_slave_1 entered promiscuous mode [ 61.961034][ T8440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.968821][ T8440] Cannot create hsr debugfs directory [ 61.987734][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.995083][ T8442] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.003532][ T8442] device bridge_slave_0 entered promiscuous mode [ 62.011939][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.019023][ T8442] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.026834][ T8442] device bridge_slave_1 entered promiscuous mode [ 62.124946][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.136788][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.145373][ T8444] device bridge_slave_0 entered promiscuous mode [ 62.157045][ T8442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.202778][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.209880][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.219856][ T8444] device bridge_slave_1 entered promiscuous mode [ 62.237166][ T8442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.251207][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 62.275121][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.298230][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 62.331496][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.338812][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.346830][ T8449] device bridge_slave_0 entered promiscuous mode [ 62.358622][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.385960][ T8442] team0: Port device team_slave_0 added [ 62.394413][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.401705][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.409443][ T8449] device bridge_slave_1 entered promiscuous mode [ 62.416567][ T8440] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.489929][ T8440] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.544619][ T8440] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.583459][ T8440] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.644886][ T8442] team0: Port device team_slave_1 added [ 62.743511][ T8442] device hsr_slave_0 entered promiscuous mode [ 62.791301][ T8442] device hsr_slave_1 entered promiscuous mode [ 62.830995][ T8442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.838585][ T8442] Cannot create hsr debugfs directory [ 62.849395][ T8444] team0: Port device team_slave_0 added [ 62.862774][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.875659][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.896122][ T8444] team0: Port device team_slave_1 added [ 62.908843][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.916141][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.924215][ T8448] device bridge_slave_0 entered promiscuous mode [ 62.940075][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.948830][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.957142][ T8448] device bridge_slave_1 entered promiscuous mode [ 63.008089][ T8449] team0: Port device team_slave_0 added [ 63.017851][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.073316][ T8444] device hsr_slave_0 entered promiscuous mode [ 63.121298][ T8444] device hsr_slave_1 entered promiscuous mode [ 63.171016][ T8444] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.178660][ T8444] Cannot create hsr debugfs directory [ 63.185421][ T8449] team0: Port device team_slave_1 added [ 63.204077][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.216505][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.282577][ T8449] device hsr_slave_0 entered promiscuous mode [ 63.331367][ T8449] device hsr_slave_1 entered promiscuous mode [ 63.391010][ T8449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.398599][ T8449] Cannot create hsr debugfs directory [ 63.444921][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.458866][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.467249][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.477850][ T8448] team0: Port device team_slave_0 added [ 63.489234][ T8448] team0: Port device team_slave_1 added [ 63.496334][ T8442] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.573383][ T8442] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.614818][ T8442] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.673276][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.681976][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.690276][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.697486][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.707946][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.783717][ T8448] device hsr_slave_0 entered promiscuous mode [ 63.841603][ T8448] device hsr_slave_1 entered promiscuous mode [ 63.890964][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.899525][ T8448] Cannot create hsr debugfs directory [ 63.905705][ T8442] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.994739][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.004407][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.012939][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.019988][ T8453] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.028286][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.062097][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.105679][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.115801][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.124559][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.133513][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.142354][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.150678][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.159171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.180158][ T8440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.211332][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.219948][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.236362][ T8437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.257054][ T8449] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.325779][ T8440] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.332723][ T8449] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.364856][ T8449] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.425182][ T8444] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.464625][ T8444] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.522449][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.530179][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.554240][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.564135][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.573414][ T3802] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.580649][ T3802] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.588765][ T8449] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.639032][ T8444] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.673666][ T8448] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.713259][ T8448] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.753478][ T8448] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.803871][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.811849][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.819295][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.837314][ T8444] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.876310][ T8448] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.927005][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.935559][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.943985][ T3805] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.951115][ T3805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.958580][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.971319][ T8437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.995195][ T8442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.028203][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.037098][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.046786][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.055985][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.065396][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.073912][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.083323][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.091860][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.118901][ T8442] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.133926][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.145846][ T8440] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.158893][ T8440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.167114][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.175731][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.183731][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.192103][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.226961][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.235801][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.245901][ T3805] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.253716][ T3805] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.262080][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.270556][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.279025][ T3805] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.286199][ T3805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.294381][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.302251][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.310566][ T3805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.323222][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.337501][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.360872][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.369535][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.379008][ T3804] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.386138][ T3804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.397165][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.407030][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.428661][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.437457][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.478460][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.487273][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.495817][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.502891][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.510339][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.518898][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.527769][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.536464][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.544939][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.554385][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.563015][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.571708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.581977][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.589703][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.597452][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.605233][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.628487][ T8449] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.640124][ T8449] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.657689][ T8437] device veth0_vlan entered promiscuous mode [ 65.666065][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.673891][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.681549][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.690161][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.698786][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.707082][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.715766][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.724395][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.732930][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.741349][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.749605][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.758154][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.768097][ T8440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.786684][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.796496][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.807266][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.815886][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.827445][ T8442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.840357][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.859461][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.868144][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.877033][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.913301][ T8437] device veth1_vlan entered promiscuous mode [ 65.925247][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.934327][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.943409][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.952195][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.960477][ T3804] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.967550][ T3804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.975521][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.983077][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.990464][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.997996][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.006592][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.014589][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.023447][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.031959][ T3804] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.039085][ T3804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.058331][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.077099][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.085492][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.093460][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.103023][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.117477][ T8440] device veth0_vlan entered promiscuous mode [ 66.127178][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.143828][ T8442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.167430][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.184103][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.197778][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.206637][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.217798][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.225058][ T8455] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.233506][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.242455][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.250757][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.257823][ T8455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.266286][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.274446][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.282419][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.314516][ T8440] device veth1_vlan entered promiscuous mode [ 66.327937][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.339137][ T3804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 171.390785][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.397630][ C0] rcu: 0-...!: (1 GPs behind) idle=1ba/1/0x4000000000000002 softirq=11786/11789 fqs=0 [ 171.407520][ C0] (t=10500 jiffies g=6845 q=185) [ 171.412533][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6845 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.423617][ C0] rcu: RCU grace-period kthread stack dump: [ 171.429501][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.437394][ C0] Call Trace: [ 171.440679][ C0] __schedule+0x9a0/0xcc0 [ 171.445008][ C0] schedule+0x181/0x210 [ 171.449157][ C0] schedule_timeout+0x14f/0x240 [ 171.453994][ C0] ? run_local_timers+0x120/0x120 [ 171.459021][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.463781][ C0] kthread+0x332/0x350 [ 171.467835][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.472931][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.477509][ C0] ret_from_fork+0x24/0x30 [ 171.481943][ C0] NMI backtrace for cpu 0 [ 171.486263][ C0] CPU: 0 PID: 8459 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 171.494676][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.504728][ C0] Call Trace: [ 171.508015][ C0] [ 171.510951][ C0] dump_stack+0x1fb/0x318 [ 171.515271][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.520130][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.526302][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.532396][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.538394][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.544283][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.549399][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.554591][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.559700][ C0] update_process_times+0x12d/0x180 [ 171.564889][ C0] tick_sched_timer+0x263/0x420 [ 171.569726][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.575272][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.580472][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.585433][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.590721][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.596260][ C0] apic_timer_interrupt+0xf/0x20 [ 171.601192][ C0] [ 171.604128][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 171.610270][ C0] Code: ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 171.629861][ C0] RSP: 0018:ffffc90002057e08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.638345][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff8880915de100 [ 171.646303][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea000241bfc0 [ 171.654273][ C0] RBP: ffffc90002057e30 R08: 000000000003a728 R09: ffffed1014cedf31 [ 171.662237][ C0] R10: ffffed1014cedf31 R11: 0000000000000000 R12: dffffc0000000000 [ 171.670219][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a676f978 [ 171.678208][ C0] ? mod_memcg_page_state+0x123/0x190 [ 171.683576][ C0] ? free_thread_stack+0x124/0x590 [ 171.688686][ C0] ? mod_memcg_page_state+0x123/0x190 [ 171.694051][ C0] free_thread_stack+0x168/0x590 [ 171.698984][ C0] put_task_stack+0xa3/0x130 [ 171.703563][ C0] finish_task_switch+0x3f1/0x550 [ 171.708576][ C0] ? proc_cap_handler+0x450/0x450 [ 171.713591][ C0] schedule_tail+0x20/0x1a0 [ 171.718081][ C0] ? proc_cap_handler+0x450/0x450 [ 171.723095][ C0] ret_from_fork+0x8/0x30