[ 49.001684][ T23] audit: type=1800 audit(1578474766.866:25): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.026982][ T23] audit: type=1800 audit(1578474766.866:26): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.059441][ T23] audit: type=1800 audit(1578474766.866:27): pid=8334 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. [ 49.642302][ T8397] sshd (8397) used greatest stack depth: 24024 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2020/01/08 09:12:57 fuzzer started 2020/01/08 09:12:59 dialing manager at 10.128.0.26:35703 2020/01/08 09:12:59 syscalls: 2824 2020/01/08 09:12:59 code coverage: enabled 2020/01/08 09:12:59 comparison tracing: enabled 2020/01/08 09:12:59 extra coverage: enabled 2020/01/08 09:12:59 setuid sandbox: enabled 2020/01/08 09:12:59 namespace sandbox: enabled 2020/01/08 09:12:59 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:12:59 fault injection: enabled 2020/01/08 09:12:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:12:59 net packet injection: enabled 2020/01/08 09:12:59 net device setup: enabled 2020/01/08 09:12:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:12:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:13:00 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x41, &(0x7f0000000080)=0x200, 0x4) sendto$inet(r0, 0x0, 0x211, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @empty}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) write$binfmt_script(r0, &(0x7f00000009c0)=ANY=[], 0x378) write$binfmt_elf32(r0, &(0x7f0000000640)=ANY=[@ANYBLOB="7f454c4600000000000000f3338e5abaa79f42557da7dd7b19000000000000000000000000000000a00900000000000000000000000000002000000000000008000000080000ed00000800"/92], 0x5c) sendmmsg(r0, &(0x7f00000048c0)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000180)="bbdbaf06d77587820b357b21e6035c35b79515cd4e4da37a6ad237cb3b3bcb50cbba34c17d72b6ed37e5c74a6864bddd11aaf3dd87a30beeb6a8f7c290085600f0ddeafe2140000efc0f5ee0b2729bf451489a592d", 0x55}], 0x1}}], 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xda9, 0x4) sendto$inet(r0, &(0x7f00000012c0)="0c268a927f1f6588b967481241ba7860f46ef65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab4ea6f7ae55d88fecf90b1a7511bf746bec66ba", 0xfe6a, 0x11, 0x0, 0x27) 09:13:00 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x2f42f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x1, 0x8000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r4, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r3, 0x2405, r4) syz_open_procfs(0x0, &(0x7f0000272000)) syzkaller login: [ 62.791957][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 62.975877][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 63.004304][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 63.018820][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state 09:13:00 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000200)='/dev/cachefiles\x00', 0x0, 0x0) close(r2) [ 63.027284][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.035360][ T8500] device bridge_slave_0 entered promiscuous mode [ 63.046481][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.053693][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.062490][ T8500] device bridge_slave_1 entered promiscuous mode [ 63.094712][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.112528][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.192668][ T8500] team0: Port device team_slave_0 added [ 63.224515][ T8500] team0: Port device team_slave_1 added [ 63.242116][ T8506] IPVS: ftp: loaded support on port[0] = 21 09:13:01 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000005500)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) ioctl$TIOCVHANGUP(r1, 0x5437, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x5}) syz_open_pts(r0, 0x0) [ 63.346326][ T8500] device hsr_slave_0 entered promiscuous mode [ 63.419656][ T8500] device hsr_slave_1 entered promiscuous mode 09:13:01 executing program 4: syz_open_dev$radio(&(0x7f0000000000)='/dev/radio#\x00', 0x0, 0x2) unshare(0x400) getpid() close(0xffffffffffffffff) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000680)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00005befdc)) r1 = syz_open_pts(r0, 0x1) fcntl$setstatus(r1, 0x4, 0x102800) write(r1, 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(0xffffffffffffffff, 0x4010641a, &(0x7f00000001c0)={0x9, &(0x7f0000000180)=[0x2, 0x3, 0x8, 0x3, 0x81, 0x7, 0x3db270dc, 0x1f, 0xa3b6]}) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) mount$fuse(0x20000000, &(0x7f0000000040)='./file0\x00', 0x0, 0x7a00, 0x0) r2 = open(&(0x7f0000000280)='./file0\x00', 0x0, 0x0) r3 = openat$cgroup_procs(r2, &(0x7f0000000100)='cgroup.procs\x00', 0x2, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x5233f4ac2c1c7a25, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) write$cgroup_pid(r3, &(0x7f0000000640), 0x12) [ 63.503645][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 63.541523][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 63.669729][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.679414][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.687079][ T8503] device bridge_slave_0 entered promiscuous mode [ 63.723956][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.739312][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.747214][ T8503] device bridge_slave_1 entered promiscuous mode [ 63.838516][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.858974][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 63.877574][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:13:01 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_S_AUDIO(r0, 0x40345622, &(0x7f0000000000)={0x401, "8c97f6587aa1da6f267a5c768e02254fdeb19a20924f7e7d2c3014e1f19be24d"}) [ 63.893126][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 63.938758][ T8503] team0: Port device team_slave_0 added [ 64.008001][ T8503] team0: Port device team_slave_1 added [ 64.013910][ T8500] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.062830][ T8500] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.103318][ T8500] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.180820][ T8500] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.236555][ T8515] IPVS: ftp: loaded support on port[0] = 21 [ 64.292221][ T8503] device hsr_slave_0 entered promiscuous mode [ 64.320011][ T8503] device hsr_slave_1 entered promiscuous mode [ 64.389347][ T8503] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.397033][ T8503] Cannot create hsr debugfs directory [ 64.407361][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.414541][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.423448][ T8506] device bridge_slave_0 entered promiscuous mode [ 64.435505][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.444086][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.451912][ T8506] device bridge_slave_1 entered promiscuous mode [ 64.461914][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 64.531440][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.543743][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.592982][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.600351][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.607981][ T8509] device bridge_slave_0 entered promiscuous mode [ 64.618611][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.625810][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.633565][ T8509] device bridge_slave_1 entered promiscuous mode [ 64.664446][ T8506] team0: Port device team_slave_0 added [ 64.694321][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.706553][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.719755][ T8506] team0: Port device team_slave_1 added [ 64.746941][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 64.762761][ T8509] team0: Port device team_slave_0 added [ 64.771299][ T8509] team0: Port device team_slave_1 added [ 64.841361][ T8509] device hsr_slave_0 entered promiscuous mode [ 64.879680][ T8509] device hsr_slave_1 entered promiscuous mode [ 64.920155][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.927796][ T8509] Cannot create hsr debugfs directory [ 64.988947][ T8515] chnl_net:caif_netlink_parms(): no params data found [ 65.033996][ T8506] device hsr_slave_0 entered promiscuous mode [ 65.089821][ T8506] device hsr_slave_1 entered promiscuous mode [ 65.129783][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.137650][ T8506] Cannot create hsr debugfs directory [ 65.143723][ T8503] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.204917][ T8503] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.266242][ T8503] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.335658][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.348979][ T8503] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.441100][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.448227][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.456316][ T8511] device bridge_slave_0 entered promiscuous mode [ 65.501600][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.508756][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.516941][ T8511] device bridge_slave_1 entered promiscuous mode [ 65.537300][ T8515] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.545576][ T8515] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.555171][ T8515] device bridge_slave_0 entered promiscuous mode [ 65.565799][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.574968][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.590820][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.604099][ T8515] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.612269][ T8515] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.621281][ T8515] device bridge_slave_1 entered promiscuous mode [ 65.631955][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.671778][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.684595][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.693258][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.701783][ T2915] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.708900][ T2915] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.716850][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.725497][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.733884][ T2915] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.740968][ T2915] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.752905][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.765975][ T8515] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.798907][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.808092][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.818342][ T8515] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.863229][ T8506] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.903648][ T8511] team0: Port device team_slave_0 added [ 65.912174][ T8511] team0: Port device team_slave_1 added [ 65.928364][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.936929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.946241][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.955125][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.964155][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.973418][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.982053][ T8509] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.046688][ T8506] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.104854][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.116081][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.152266][ T8511] device hsr_slave_0 entered promiscuous mode [ 66.209780][ T8511] device hsr_slave_1 entered promiscuous mode [ 66.249359][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.256951][ T8511] Cannot create hsr debugfs directory [ 66.264764][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.273018][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.281606][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.289901][ T8509] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.343510][ T8515] team0: Port device team_slave_0 added [ 66.351273][ T8506] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.407678][ T8506] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.466577][ T8509] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.521910][ T8515] team0: Port device team_slave_1 added [ 66.527642][ T8509] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.642701][ T2904] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.650873][ T2904] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.682233][ T8515] device hsr_slave_0 entered promiscuous mode [ 66.742494][ T8515] device hsr_slave_1 entered promiscuous mode [ 66.799420][ T8515] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.807006][ T8515] Cannot create hsr debugfs directory [ 66.856876][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.874486][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.931320][ T8511] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.962295][ T8511] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.033933][ T8511] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.083672][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.095697][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.136808][ T8511] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.199993][ T8515] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.242589][ T8515] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.318768][ T8500] device veth0_vlan entered promiscuous mode [ 67.326090][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.335914][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.345016][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.352935][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.366319][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.384443][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.391684][ T8515] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.457682][ T8500] device veth1_vlan entered promiscuous mode [ 67.465173][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.475638][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.484755][ T2888] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.505080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.514759][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.523265][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.530358][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.538063][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.547060][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.556177][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.563313][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.571054][ T8515] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.634367][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.642237][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.653750][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.662297][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.669993][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.711349][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.723693][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.736133][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.745477][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.755101][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.763815][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.774220][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.783507][ T2915] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.790614][ T2915] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.798268][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.807503][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.815894][ T2915] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.822996][ T2915] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.831457][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.839178][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.863125][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.915447][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.936703][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 172.959227][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.966391][ C1] rcu: 1-...!: (10499 ticks this GP) idle=676/1/0x4000000000000002 softirq=12673/12673 fqs=4 [ 172.977638][ C1] (t=10501 jiffies g=7025 q=50) [ 172.982597][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g7025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.994041][ C1] rcu: RCU grace-period kthread stack dump: [ 173.000084][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.007985][ C1] Call Trace: [ 173.011318][ C1] __schedule+0x9a0/0xcc0 [ 173.015662][ C1] schedule+0x181/0x210 [ 173.019827][ C1] schedule_timeout+0x14f/0x240 [ 173.024817][ C1] ? run_local_timers+0x120/0x120 [ 173.030001][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.034866][ C1] kthread+0x332/0x350 [ 173.038990][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.044102][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.048785][ C1] ret_from_fork+0x24/0x30 [ 173.053215][ C1] NMI backtrace for cpu 1 [ 173.057548][ C1] CPU: 1 PID: 2924 Comm: kworker/1:10 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.065958][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.076286][ C1] Workqueue: events linkwatch_event [ 173.081482][ C1] Call Trace: [ 173.084936][ C1] [ 173.087816][ C1] dump_stack+0x1fb/0x318 [ 173.092162][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.097019][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.103784][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.109884][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.116032][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.121931][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.127053][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.132259][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.137358][ C1] update_process_times+0x12d/0x180 [ 173.142766][ C1] tick_sched_timer+0x263/0x420 [ 173.147619][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.153345][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.158558][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.163715][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.169121][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.174670][ C1] apic_timer_interrupt+0xf/0x20 [ 173.179606][ C1] [ 173.182700][ C1] RIP: 0010:free_thread_stack+0x168/0x590 [ 173.188443][ C1] Code: 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 55 94 6a 00 48 8b 3b be fc ff 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 [ 173.208059][ C1] RSP: 0018:ffffc9000814f700 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 173.216476][ C1] RAX: ffffffff814897d3 RBX: ffff8880a8b5ef08 RCX: ffff88809ea32340 [ 173.224452][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023cbbc0 [ 173.232479][ C1] RBP: ffffc9000814f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.240462][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888091da7aa0 [ 173.248496][ C1] R13: dffffc0000000000 R14: 1ffff110123b4f54 R15: ffff8880a82bd938 [ 173.256650][ C1] ? mod_memcg_page_state+0x123/0x190 [ 173.262055][ C1] put_task_stack+0xa3/0x130 [ 173.266780][ C1] finish_task_switch+0x3f1/0x550 [ 173.272004][ C1] __schedule+0x9a8/0xcc0 [ 173.276371][ C1] ? ___preempt_schedule+0x16/0x18 [ 173.281511][ C1] preempt_schedule+0xdb/0x120 [ 173.286349][ C1] ___preempt_schedule+0x16/0x18 [ 173.291325][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 173.296002][ C1] ? vprintk_emit+0x368/0x3a0 [ 173.300801][ C1] vprintk_emit+0x36d/0x3a0 [ 173.305401][ C1] vprintk_default+0x28/0x30 [ 173.309993][ C1] vprintk_func+0x158/0x170 [ 173.314607][ C1] printk+0x62/0x8d [ 173.318424][ C1] ? addrconf_notify+0xd37/0x3c90 [ 173.323896][ C1] ? addrconf_notify+0x779/0x3c90 [ 173.329168][ C1] addrconf_notify+0x2c8d/0x3c90 [ 173.334135][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 173.339438][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 173.344946][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 173.350524][ C1] ? trace_hardirqs_on+0x74/0x80 [ 173.355493][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 173.360964][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 173.366510][ C1] ? tls_dev_event+0x619/0xc00 [ 173.371277][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 173.377003][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 173.382812][ C1] raw_notifier_call_chain+0xec/0x190 [ 173.388284][ C1] netdev_state_change+0x147/0x1f0 [ 173.393402][ C1] linkwatch_do_dev+0x10e/0x160 [ 173.398257][ C1] __linkwatch_run_queue+0x446/0x730 [ 173.403626][ C1] linkwatch_event+0x4c/0x60 [ 173.408244][ C1] process_one_work+0x7ef/0x10d0 [ 173.413475][ C1] worker_thread+0xc01/0x1630 [ 173.418173][ C1] kthread+0x332/0x350 [ 173.422241][ C1] ? rcu_lock_release+0x30/0x30 [ 173.427180][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.431769][ C1] ret_from_fork+0x24/0x30