[ 47.345960][ T23] audit: type=1800 audit(1575355733.837:25): pid=8223 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.365960][ T23] audit: type=1800 audit(1575355733.837:26): pid=8223 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.400980][ T23] audit: type=1800 audit(1575355733.837:27): pid=8223 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. [ 47.928624][ T8290] sshd (8290) 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 '10.128.15.221' (ECDSA) to the list of known hosts. 2019/12/03 06:49:02 fuzzer started 2019/12/03 06:49:03 dialing manager at 10.128.0.26:38907 2019/12/03 06:49:03 syscalls: 2697 2019/12/03 06:49:03 code coverage: enabled 2019/12/03 06:49:03 comparison tracing: enabled 2019/12/03 06:49:03 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:49:03 setuid sandbox: enabled 2019/12/03 06:49:03 namespace sandbox: enabled 2019/12/03 06:49:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:49:03 fault injection: enabled 2019/12/03 06:49:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:49:03 net packet injection: enabled 2019/12/03 06:49:03 net device setup: enabled 2019/12/03 06:49:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:49:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:49:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000000280)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x106}}, 0x20) write$RDMA_USER_CM_CMD_QUERY(r3, &(0x7f0000000040)={0x13, 0x10, 0xfa00, {0x0, r4}}, 0x18) 06:49:05 executing program 1: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000000000)={{0x80}}) syzkaller login: [ 58.664255][ T8390] IPVS: ftp: loaded support on port[0] = 21 [ 58.782557][ T8392] IPVS: ftp: loaded support on port[0] = 21 06:49:05 executing program 2: r0 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x8447, 0x0) ioctl$VIDIOC_S_SELECTION(r0, 0xc02c564a, &(0x7f0000000000)) [ 58.823858][ T8390] chnl_net:caif_netlink_parms(): no params data found [ 58.924282][ T8390] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.934312][ T8390] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.943664][ T8390] device bridge_slave_0 entered promiscuous mode [ 58.966072][ T8390] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.974239][ T8390] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.984058][ T8390] device bridge_slave_1 entered promiscuous mode [ 58.997687][ T8392] chnl_net:caif_netlink_parms(): no params data found [ 59.044653][ T8390] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.069430][ T8390] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.090431][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.097538][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.106512][ T8392] device bridge_slave_0 entered promiscuous mode [ 59.115144][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.122357][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.132317][ T8392] device bridge_slave_1 entered promiscuous mode [ 59.141207][ T8390] team0: Port device team_slave_0 added [ 59.149054][ T8390] team0: Port device team_slave_1 added [ 59.160230][ T8397] IPVS: ftp: loaded support on port[0] = 21 06:49:05 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = gettid() rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffffffffffffffd}, 0x0, 0x8) timer_create(0x0, &(0x7f00000001c0)={0x0, 0x12, 0x4, @tid=r2}, &(0x7f0000044000)) timer_settime(0x0, 0x3, &(0x7f00000000c0)={{0x77359400}, {0x0, 0x1c9c380}}, 0x0) epoll_pwait(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080), 0x8) [ 59.231397][ T8390] device hsr_slave_0 entered promiscuous mode [ 59.290590][ T8390] device hsr_slave_1 entered promiscuous mode [ 59.330474][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.351663][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:49:05 executing program 4: openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000044080, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='net/mcfilter\x00') preadv(r0, &(0x7f0000000580)=[{&(0x7f00000000c0)=""/13, 0xd}], 0x1, 0x0) preadv(r0, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x387c9f3e2d379b50, r0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000140)='net/mcfilter\x00') preadv(r1, &(0x7f0000000580)=[{&(0x7f00000000c0)=""/13, 0xd}], 0x1, 0x0) preadv(r1, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) fstat(r1, &(0x7f0000000180)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000640)='/dev/null\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r4, 0xc0045401, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r5, 0xc0045401, 0x0) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r6, 0xc0045401, 0x0) r7 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000700)='./cgroup.net/syz0\x00', 0x200002, 0x0) r8 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r8, 0xc0045401, 0x0) r9 = socket$inet_dccp(0x2, 0x6, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r10 = perf_event_open(&(0x7f0000000a80)={0x0, 0x70, 0x20, 0xc0, 0x4, 0x81, 0x0, 0x3f, 0x800e0, 0x460703043f3d70ff, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x3, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x0, 0x3}, 0x40059, 0x757, 0x0, 0xe348951bc428972a, 0x0, 0x2, 0x7ff}, 0x0, 0xa, 0xffffffffffffffff, 0x0) stat(&(0x7f0000000800)='./file0/bus\x00', &(0x7f0000000840)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x6, &(0x7f0000000b40)=[0xee01, 0x0, 0x0, 0xffffffffffffffff, r11, 0xee01]) r13 = openat$random(0xffffffffffffff9c, &(0x7f0000000b80)='/dev/urandom\x00', 0x0, 0x0) r14 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r15 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r16 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r16, 0xc0045401, 0x0) r17 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r18 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r18, 0xc0045401, 0x0) r19 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$TIOCGPGRP(r19, 0x540f, &(0x7f0000000c00)=0x0) lstat(&(0x7f0000000c40)='./file0\x00', &(0x7f0000000c80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r22 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r22, 0xc0045401, 0x0) sendmmsg$unix(r4, &(0x7f0000000ec0)=[{&(0x7f0000000500)=@file={0x0, '.\x00'}, 0x6e, &(0x7f0000000480)=[{&(0x7f0000000680)="1e707717589f1fe15f181d58a57d11836fe1c0da6671204b628196ec89ba34f81856e20530ff2e7b89d4f3cbb33facfefa75ebe8e55b9b046589a9bdc1579cd41c35e32936e9eca4ccc51a4323a59648a509769509aa09cb4e3120c6cc3d06e9c03aff32", 0x64}, {&(0x7f0000000780)="e4488bb1b9fd36f37428a31d3732f830cb5b5382501e78c6b6b5d47789e00335408161cc53e33e2c782aae3450a9646de14ac57ec4c6842a52cb1b5add4d4748f71f1f2f46eec4a9f7048195a56767ef93305b7778365b3cdd67a2120dca047245c58b458518e06ff476701975b4a5b8a5e94e44f7d0d41f4162ff7de6c1365e1fbdae1eac0d540538a45a2f4b2952f6af1d1e0acd976678dfe6cc3d747c17d90d5634", 0xa3}, {&(0x7f0000000840)="924c8380089e6685142805a54c277aa0f20ba1f0630ee7f6348468f8ca71c5c993b1bedc3d42dee58761d2203dee02dd75309c97e8bd51e755a5052c707c07d2d198054a4db21c16f183489e5f3ffd5bb2588811133037f3562319eb528dac1020440c65678a4661f65c9de4180bfd929275a460fa46", 0x76}, {&(0x7f00000008c0)="404971c61e0f9f539eb67eb39398b14d175b0616d72fcf405c9a643c0c8fc37d03e7d9ccf58bcb274c82a3da8d47c0f8147ccb8d1fa91e7df4351d6fa625056267b1a4dbfb0e0022b53edb4c656a9b220af75cef8dfd8b62b210cbd8c9abb1508d8240be18d9645698315372b7bd63", 0x6f}], 0x4, &(0x7f0000000280)=ANY=[@ANYBLOB="200000000000000001000000010000", @ANYRES32=r5, @ANYRES32=r6, @ANYRES32=r7, @ANYRES32=r2, @ANYRES32, @ANYRES32=r8, @ANYRES32, @ANYRES32=r9, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="20000000000000000100000001000000", @ANYRES32=r10, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB, @ANYRES32=0x0, @ANYRES32=0xee01, @ANYRES32=r12, @ANYBLOB="0000000024000000000000000100000001000000", @ANYRES32, @ANYRES32=r13, @ANYRES32=r14, @ANYRES32=r3, @ANYBLOB="0000000024000000000000000100000001000000", @ANYRES32=r15, @ANYRES32, @ANYRES32=r17, @ANYRES32=r18, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=r20, @ANYRES32=0x0, @ANYRES32=r21, @ANYBLOB="0000000024000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000069dddefcbd900000746e3b7193eb27bc0887ae32536cb52cc41722f6dc2ecc435d1df74331d6d642b6ca92f178f2b6573ea43487f7131ff67ea08fa"], 0x13d, 0x48004}], 0x1, 0x10040000) openat$null(0xffffffffffffff9c, &(0x7f0000000640)='/dev/null\x00', 0x0, 0x0) r23 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_RUN(r23, 0xae80, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) [ 59.396897][ T8399] IPVS: ftp: loaded support on port[0] = 21 [ 59.435511][ T8392] team0: Port device team_slave_0 added [ 59.469339][ T8392] team0: Port device team_slave_1 added [ 59.501312][ T8390] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.551015][ T8390] netdevsim netdevsim0 netdevsim1: renamed from eth1 06:49:06 executing program 5: r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) creat(&(0x7f0000000080)='./bus\x00', 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) [ 59.651241][ T8390] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.712154][ T8390] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.832822][ T8404] IPVS: ftp: loaded support on port[0] = 21 [ 59.833185][ T8402] IPVS: ftp: loaded support on port[0] = 21 [ 59.845425][ T8390] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.852613][ T8390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.860388][ T8390] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.867451][ T8390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.930881][ T8392] device hsr_slave_0 entered promiscuous mode [ 59.969013][ T8392] device hsr_slave_1 entered promiscuous mode [ 60.038731][ T8392] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.070449][ T47] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.079472][ T47] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.093207][ T8397] chnl_net:caif_netlink_parms(): no params data found [ 60.167338][ T8392] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.214054][ T8392] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.295629][ T8392] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.323550][ T8392] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.382377][ T8397] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.389675][ T8397] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.397475][ T8397] device bridge_slave_0 entered promiscuous mode [ 60.405369][ T8397] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.412699][ T8397] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.421289][ T8397] device bridge_slave_1 entered promiscuous mode [ 60.429494][ T8399] chnl_net:caif_netlink_parms(): no params data found [ 60.487714][ T8397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.499504][ T8397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.520928][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.527991][ T8399] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.536150][ T8399] device bridge_slave_0 entered promiscuous mode [ 60.561884][ T8390] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.591641][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.599158][ T8399] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.606733][ T8399] device bridge_slave_1 entered promiscuous mode [ 60.660028][ T8397] team0: Port device team_slave_0 added [ 60.667128][ T8399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.684369][ T8392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.704283][ T8397] team0: Port device team_slave_1 added [ 60.711820][ T8399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.731004][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.739668][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.749711][ T8390] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.767488][ T8402] chnl_net:caif_netlink_parms(): no params data found [ 60.783348][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.792352][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.801079][ T8396] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.808123][ T8396] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.815767][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.823778][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.832514][ T8404] chnl_net:caif_netlink_parms(): no params data found [ 60.867709][ T8399] team0: Port device team_slave_0 added [ 60.876236][ T8399] team0: Port device team_slave_1 added [ 60.890425][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.899285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.907562][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.914657][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.923788][ T8392] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.933880][ T8404] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.941186][ T8404] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.949140][ T8404] device bridge_slave_0 entered promiscuous mode [ 61.030762][ T8397] device hsr_slave_0 entered promiscuous mode [ 61.079107][ T8397] device hsr_slave_1 entered promiscuous mode [ 61.128803][ T8397] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.138851][ T8404] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.145932][ T8404] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.158399][ T8404] device bridge_slave_1 entered promiscuous mode [ 61.260248][ T8399] device hsr_slave_0 entered promiscuous mode [ 61.330020][ T8399] device hsr_slave_1 entered promiscuous mode [ 61.378857][ T8399] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.389570][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.399170][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.407463][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.414560][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.423316][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.434154][ T8404] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.445485][ T8404] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.456328][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.463484][ T8402] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.471537][ T8402] device bridge_slave_0 entered promiscuous mode [ 61.489793][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.498407][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.513417][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.522061][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.529157][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.536791][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.545356][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.564522][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.572728][ T8402] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.581592][ T8402] device bridge_slave_1 entered promiscuous mode [ 61.606311][ T8404] team0: Port device team_slave_0 added [ 61.614708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.623640][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.633264][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.642485][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.666208][ T8404] team0: Port device team_slave_1 added [ 61.693699][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.702365][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.711107][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.719866][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.733492][ T8397] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.787246][ T8402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.830323][ T8404] device hsr_slave_0 entered promiscuous mode [ 61.869380][ T8404] device hsr_slave_1 entered promiscuous mode [ 61.908729][ T8404] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.916736][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.924959][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.933568][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.944785][ T8390] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.956642][ T8390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.970850][ T8397] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.061584][ T8397] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.121409][ T8402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.139858][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.148126][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.156778][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.165627][ T3054] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.179671][ T8399] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.233950][ T8399] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.295382][ T8399] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.350835][ T8397] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.399519][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.409335][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.423469][ T8399] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.488208][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.496950][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.505354][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.513223][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.522806][ T8392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.533016][ T8402] team0: Port device team_slave_0 added [ 62.540735][ T8402] team0: Port device team_slave_1 added [ 62.563405][ T8390] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.585769][ T8404] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.630688][ T8404] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.746899][ T8402] device hsr_slave_0 entered promiscuous mode [ 167.728506][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.735309][ C0] rcu: 0-...!: (10500 ticks this GP) idle=69a/1/0x4000000000000002 softirq=11631/11631 fqs=39 [ 167.745865][ C0] (t=10501 jiffies g=6585 q=120) [ 167.750885][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6585 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.761971][ C0] rcu: RCU grace-period kthread stack dump: [ 167.767853][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.775745][ C0] Call Trace: [ 167.779035][ C0] __schedule+0x9a0/0xcc0 [ 167.783364][ C0] schedule+0x181/0x210 [ 167.787609][ C0] schedule_timeout+0x14f/0x240 [ 167.792453][ C0] ? run_local_timers+0x120/0x120 [ 167.797470][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.802242][ C0] kthread+0x332/0x350 [ 167.806295][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.811393][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.815973][ C0] ret_from_fork+0x24/0x30 [ 167.820394][ C0] NMI backtrace for cpu 0 [ 167.824713][ C0] CPU: 0 PID: 8413 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 167.832934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.842977][ C0] Call Trace: [ 167.846249][ C0] [ 167.849090][ C0] dump_stack+0x1fb/0x318 [ 167.853411][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.858246][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.864397][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.870452][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.876420][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.882302][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.888189][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.893380][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.898396][ C0] update_process_times+0x12d/0x180 [ 167.903588][ C0] tick_sched_timer+0x263/0x420 [ 167.908430][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.913965][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.919169][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.924110][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.929390][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.934937][ C0] apic_timer_interrupt+0xf/0x20 [ 167.939857][ C0] [ 167.942790][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 167.948845][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 167.968441][ C0] RSP: 0018:ffffc90002a27e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.976842][ C0] RAX: 1ffff1101497b591 RBX: ffffea0002919740 RCX: ffff8880a7dba040 [ 167.984806][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002919740 [ 167.992767][ C0] RBP: ffffc90002a27e78 R08: 000000000003a768 R09: ffffed1011fc334f [ 168.000729][ C0] R10: ffffed1011fc334f R11: 0000000000000000 R12: ffff8880a4bdad20 [ 168.008691][ C0] R13: dffffc0000000000 R14: 1ffff1101497b5a4 R15: ffff88808fe19a68 [ 168.016676][ C0] ? free_thread_stack+0x124/0x590 [ 168.021782][ C0] put_task_stack+0xa3/0x130 [ 168.026367][ C0] finish_task_switch+0x3f1/0x550 [ 168.031389][ C0] schedule_tail+0x20/0x1a0 [ 168.035886][ C0] ret_from_fork+0x8/0x30 [ 168.040202][ C0] RIP: 0033:0x45d049 [ 168.044086][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 168.064637][ C0] RSP: 002b:00007f199c6fedb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 168.073040][ C0] RAX: 0000000000000000 RBX: 00007f199c6ff700 RCX: 000000000045d049 [ 168.080998][ C0] RDX: 00007f199c6ff9d0 RSI: 00007f199c6fedb0 RDI: 00000000003d0f00 [ 168.088957][ C0] RBP: 00007ffc47be4450 R08: 00007f199c6ff700 R09: 00007f199c6ff700 [ 168.096920][ C0] R10: 00007f199c6ff9d0 R11: 0000000000000202 R12: 0000000000000000 [ 168.104883][ C0] R13: 00007ffc47be42ef R14: 00007f199c6ff9c0 R15: 000000000075bf2c