[ 53.039461][ T23] audit: type=1800 audit(1578450983.844:25): pid=8289 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.058254][ T23] audit: type=1800 audit(1578450983.844:26): pid=8289 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.079199][ T23] audit: type=1800 audit(1578450983.844:27): pid=8289 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 53.139279][ T23] audit: type=1800 audit(1578450983.854:28): pid=8289 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.1.57' (ECDSA) to the list of known hosts. 2020/01/08 02:36:34 fuzzer started 2020/01/08 02:36:35 dialing manager at 10.128.0.26:35703 2020/01/08 02:36:35 syscalls: 2824 2020/01/08 02:36:35 code coverage: enabled 2020/01/08 02:36:35 comparison tracing: enabled 2020/01/08 02:36:35 extra coverage: enabled 2020/01/08 02:36:35 setuid sandbox: enabled 2020/01/08 02:36:35 namespace sandbox: enabled 2020/01/08 02:36:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:36:35 fault injection: enabled 2020/01/08 02:36:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:36:35 net packet injection: enabled 2020/01/08 02:36:35 net device setup: enabled 2020/01/08 02:36:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:36:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:36:36 executing program 0: mkdir(&(0x7f0000639000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000880)='./file0\x00', &(0x7f0000000380)='ramfs\x00', 0x10040, 0x0) r0 = creat(&(0x7f0000139000)='./file0/bus\x00', 0xbc9dc8fbd81cb4b1) fcntl$lock(r0, 0x7, &(0x7f0000027000)={0x1, 0x0, 0x0, 0x0, 0xffffffffffffffff}) unshare(0x40600) write$P9_RCREATE(r0, &(0x7f0000000040)={0x18}, 0x18) r1 = creat(&(0x7f00000000c0)='./file0/bus\x00', 0x0) dup2(r0, r1) 02:36:36 executing program 1: connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x0, 0x0, @initdev, 0x7}, 0x1c) setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000180), 0x0) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x8d}, 0x0) getpid() sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2}, 0x0) getpid() fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 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) ioctl$sock_inet6_SIOCSIFADDR(r0, 0x89a1, &(0x7f0000000180)={@remote, 0x27}) recvmmsg(0xffffffffffffffff, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x80, 0x0, 0x0, &(0x7f0000000600)=""/191, 0xbf}}], 0x1, 0x0, &(0x7f0000003700)={0x77359400}) fremovexattr(0xffffffffffffffff, &(0x7f00000002c0)=ANY=[]) openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$sock_inet6_SIOCADDRT(r0, 0x89a0, &(0x7f0000000440)={@local={0xfe, 0x80, [0x0, 0xfeff0000]}, @remote, @remote}) syzkaller login: [ 65.620531][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 65.734610][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 65.777719][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.786621][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.794967][ T8457] device bridge_slave_0 entered promiscuous mode [ 65.804131][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.812111][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.820256][ T8457] device bridge_slave_1 entered promiscuous mode [ 65.842891][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.854324][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.868103][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 65.883681][ T8457] team0: Port device team_slave_0 added 02:36:36 executing program 2: r0 = open(&(0x7f00000009c0)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r0, 0x0) r1 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) fcntl$setstatus(r1, 0x4, 0x6100) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) fsetxattr$security_evm(0xffffffffffffffff, &(0x7f0000000140)='security.evm\x00', 0x0, 0x0, 0x0) fallocate(r2, 0x0, 0x0, 0x1000f4) ftruncate(r1, 0x8200) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x294ad, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0xdf}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, 0x0, &(0x7f0000001000)) sendmmsg(0xffffffffffffffff, &(0x7f0000008600)=[{{0x0, 0x0, 0x0}}], 0x1, 0x20000000) write$cgroup_type(r1, &(0x7f0000000200)='threaded\x00', 0x175d900f) getresuid(&(0x7f0000004180), 0x0, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000040)='auxv\x00') r4 = openat$cgroup_ro(r3, &(0x7f0000001fc0)='cgroup.controllers\x00', 0x0, 0x0) preadv(r4, &(0x7f00000024c0)=[{0x0}, {&(0x7f0000000340)=""/4096, 0x7ffff000}], 0x1000000000000220, 0x800000) accept$inet(r4, &(0x7f0000000000)={0x2, 0x0, @local}, &(0x7f00000000c0)=0x10) close(0xffffffffffffffff) [ 65.910844][ T8457] team0: Port device team_slave_1 added [ 66.002310][ T8457] device hsr_slave_0 entered promiscuous mode [ 66.078933][ T8457] device hsr_slave_1 entered promiscuous mode 02:36:36 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) r2 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r2, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") sendmsg(r1, &(0x7f0000002440)={0x0, 0x0, 0x0}, 0x0) listen(r0, 0x6) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}, 0x10) [ 66.178003][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 66.272860][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 66.344608][ T8457] netdevsim netdevsim0 netdevsim0: renamed from eth0 02:36:37 executing program 4: ioctl$FS_IOC_MEASURE_VERITY(0xffffffffffffffff, 0xc0046686, &(0x7f0000000100)=ANY=[@ANYBLOB="0320a600c3f646f55456f73b4f126e359f6f62e02ccae4cc23d2e0a608000000000000000000006c51cfea1c4a90097fad17ee9f2cc20299c34c74599784a8a6cf7681b7a29f88efa6ff7f8a62673e04f4873c086d9d2016fb9639472212b59ae8fb0adc97e8852fdafa61454fd6b4d5674c0000007a1264add324c613"]) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x80001, 0x0) write(r0, &(0x7f0000000000)="bc", 0x337) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000080)={0x0, 0x0, 0x12000000}) [ 66.392253][ T8457] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.466487][ T8457] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.531837][ T8457] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.609394][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 66.641494][ T8467] IPVS: ftp: loaded support on port[0] = 21 02:36:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_GROUP_ADDR={0x8}]}}}]}, 0x3c}}, 0x0) [ 66.664976][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.672262][ T8457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.680323][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.687415][ T8457] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.701500][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.709656][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.723720][ T8460] device bridge_slave_0 entered promiscuous mode [ 66.734852][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.743587][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.752083][ T8460] device bridge_slave_1 entered promiscuous mode [ 66.817883][ T2863] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.826029][ T2863] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.861468][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 66.902224][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.915445][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.931045][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 67.001254][ T8460] team0: Port device team_slave_0 added [ 67.022619][ T8460] team0: Port device team_slave_1 added [ 67.040267][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 67.056760][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.085333][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.093525][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.101606][ T8462] device bridge_slave_0 entered promiscuous mode [ 67.160320][ T8460] device hsr_slave_0 entered promiscuous mode [ 67.198736][ T8460] device hsr_slave_1 entered promiscuous mode [ 67.278549][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.286310][ T8460] Cannot create hsr debugfs directory [ 67.313278][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.321316][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.329259][ T8462] device bridge_slave_1 entered promiscuous mode [ 67.367519][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.407025][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.414551][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.422191][ T8465] device bridge_slave_0 entered promiscuous mode [ 67.432965][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.441819][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.450467][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.459654][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.494339][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.504766][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.513046][ T8465] device bridge_slave_1 entered promiscuous mode [ 67.533863][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.547814][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.592989][ T8470] chnl_net:caif_netlink_parms(): no params data found [ 67.603386][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.612961][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.621451][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.628530][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.636217][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.645561][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.653914][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.660956][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.670261][ T8462] team0: Port device team_slave_0 added [ 67.676186][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 67.715565][ T8465] team0: Port device team_slave_0 added [ 67.727575][ T8462] team0: Port device team_slave_1 added [ 67.737510][ T8465] team0: Port device team_slave_1 added [ 67.755446][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.775886][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.783150][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.791930][ T8467] device bridge_slave_0 entered promiscuous mode [ 67.836703][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.846566][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.854104][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.861791][ T8467] device bridge_slave_1 entered promiscuous mode [ 67.941171][ T8462] device hsr_slave_0 entered promiscuous mode [ 67.978859][ T8462] device hsr_slave_1 entered promiscuous mode [ 68.018648][ T8462] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.026231][ T8462] Cannot create hsr debugfs directory [ 68.032088][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.039689][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.047262][ T8470] device bridge_slave_0 entered promiscuous mode [ 68.054562][ T8460] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.141307][ T8465] device hsr_slave_0 entered promiscuous mode [ 68.189014][ T8465] device hsr_slave_1 entered promiscuous mode [ 68.238594][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.246183][ T8465] Cannot create hsr debugfs directory [ 68.260570][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.270105][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.278300][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.287020][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.295437][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.315420][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.324696][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.335004][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.342708][ T8470] device bridge_slave_1 entered promiscuous mode [ 68.349677][ T8460] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.388602][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.410777][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.419641][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.439906][ T8460] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.490748][ T8460] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.569762][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.578630][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.603009][ T8467] team0: Port device team_slave_0 added [ 68.613387][ T8467] team0: Port device team_slave_1 added [ 68.620502][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.632382][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.675323][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.731256][ T8467] device hsr_slave_0 entered promiscuous mode [ 68.758965][ T8467] device hsr_slave_1 entered promiscuous mode [ 68.798516][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.806075][ T8467] Cannot create hsr debugfs directory [ 68.823300][ T8470] team0: Port device team_slave_0 added [ 68.856636][ T8470] team0: Port device team_slave_1 added [ 68.892437][ T8465] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.920750][ T8465] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.973639][ T8462] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.080976][ T8470] device hsr_slave_0 entered promiscuous mode [ 69.109071][ T8470] device hsr_slave_1 entered promiscuous mode [ 69.148616][ T8470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.156221][ T8470] Cannot create hsr debugfs directory [ 69.171752][ T8465] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.202536][ T8465] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.280968][ T8462] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.340628][ T8462] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.383863][ T8462] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.458232][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.466182][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.495093][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.564360][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.592541][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.600714][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.619190][ T8460] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.628681][ T8467] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.678616][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.689497][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.708261][ T8470] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.742331][ T8470] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.790283][ T8467] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.838935][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.847648][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.859734][ T2946] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.866785][ T2946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.875449][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.883947][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.908482][ T8470] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.933572][ T8467] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.990875][ T8467] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.041435][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.050055][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.058614][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.066262][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.075081][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.083976][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.091073][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.098737][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.107191][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.124889][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.132528][ T8470] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.180232][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.192139][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.200960][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.220491][ T8457] device veth0_vlan entered promiscuous mode [ 70.244725][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.263909][ T8457] device veth1_vlan entered promiscuous mode [ 70.272455][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.281385][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.289716][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.298090][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.306668][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.315210][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.336266][ T8465] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.346487][ T8460] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.357956][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.367065][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.381643][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.390219][ T2946] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.397255][ T2946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.404984][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.413876][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.422373][ T2946] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.429458][ T2946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.437018][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.445924][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.456670][ T2946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.478350][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.490141][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.530391][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.540365][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.549565][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.558623][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.573010][ T8465] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.592071][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.603131][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.611777][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.628131][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.636788][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.650784][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.663797][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.683191][ T8460] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.706578][ T8462] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.726822][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.787417][ T8465] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.798143][ T8465] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.842806][ T8465] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.638390][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.645223][ C1] rcu: 1-...!: (10499 ticks this GP) idle=bfe/1/0x4000000000000002 softirq=14815/14815 fqs=11 [ 175.655790][ C1] (t=10501 jiffies g=6633 q=435) [ 175.660821][ C1] rcu: rcu_preempt kthread starved for 10479 jiffies! g6633 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.671901][ C1] rcu: RCU grace-period kthread stack dump: [ 175.677775][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.685662][ C1] Call Trace: [ 175.688945][ C1] __schedule+0x9a0/0xcc0 [ 175.693278][ C1] schedule+0x181/0x210 [ 175.697518][ C1] schedule_timeout+0x14f/0x240 [ 175.702356][ C1] ? run_local_timers+0x120/0x120 [ 175.707376][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.712140][ C1] kthread+0x332/0x350 [ 175.716204][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.721309][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.725897][ C1] ret_from_fork+0x24/0x30 [ 175.730325][ C1] NMI backtrace for cpu 1 [ 175.734656][ C1] CPU: 1 PID: 8457 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.743220][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.753261][ C1] Call Trace: [ 175.756532][ C1] [ 175.759374][ C1] dump_stack+0x1fb/0x318 [ 175.763697][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.768535][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.774689][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.780745][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.786722][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.792606][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.797816][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.803043][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.808076][ C1] update_process_times+0x12d/0x180 [ 175.813419][ C1] tick_sched_timer+0x263/0x420 [ 175.818271][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.823810][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.829027][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.833974][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.839253][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.844789][ C1] apic_timer_interrupt+0xf/0x20 [ 175.849709][ C1] [ 175.852637][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 175.858781][ C1] Code: 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 8d 7e 01 8b 89 84 [ 175.878385][ C1] RSP: 0018:ffffc90002337b98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.886968][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff888093d16240 [ 175.894939][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025cacc0 [ 175.902901][ C1] RBP: ffffc90002337bc0 R08: 000000000003a728 R09: ffffed10126a9341 [ 175.910863][ C1] R10: ffffed10126a9341 R11: 0000000000000000 R12: dffffc0000000000 [ 175.919606][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880935499f8 [ 175.927578][ C1] ? mod_memcg_page_state+0x123/0x190 [ 175.932945][ C1] ? free_thread_stack+0x124/0x590 [ 175.938043][ C1] ? mod_memcg_page_state+0x123/0x190 [ 175.943404][ C1] free_thread_stack+0x168/0x590 [ 175.948333][ C1] put_task_stack+0xa3/0x130 [ 175.952912][ C1] finish_task_switch+0x3f1/0x550 [ 175.958623][ C1] __schedule+0x9a8/0xcc0 [ 175.962955][ C1] schedule+0x181/0x210 [ 175.967101][ C1] do_nanosleep+0x1d0/0x6c0 [ 175.971612][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 175.976553][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 175.982355][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 175.987461][ C1] do_syscall_64+0xf7/0x1c0 [ 175.991958][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.997838][ C1] RIP: 0033:0x4593f0 [ 176.001737][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 176.021328][ C1] RSP: 002b:00007ffed0ed9228 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 176.029725][ C1] RAX: ffffffffffffffda RBX: 00000000000113d1 RCX: 00000000004593f0 [ 176.037686][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffed0ed9230 [ 176.045654][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000015a4940 [ 176.053614][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 176.061573][ C1] R13: 00007ffed0ed9280 R14: 00000000000113bb R15: 00007ffed0ed9290