INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts. 2018/04/20 07:16:22 fuzzer started 2018/04/20 07:16:23 dialing manager at 10.128.0.26:41811 2018/04/20 07:16:30 kcov=true, comps=false 2018/04/20 07:16:33 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f0000022000), 0x0) setsockopt$sock_int(r0, 0x1, 0x23, &(0x7f0000000100)=0x9e55, 0x4) recvmsg(r0, &(0x7f0000019fc8)={0x0, 0x0, &(0x7f000001a000), 0x2fa, &(0x7f0000019000)}, 0x0) 2018/04/20 07:16:33 executing program 1: syz_mount_image$f2fs(&(0x7f0000000080)='f2fs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000040)=[{&(0x7f0000000140)="1020f5f20100070009000000030000000c0000000900000002000000010000000000000000480000000000000d00000022000000020000000200000002000000020000001a000000000400000004000000080000000c00000010000000140000030000000100000002", 0x69, 0x1400}], 0x0, &(0x7f00000001c0)={[{@user_xattr='user_xattr', 0x2c}, {@disable_roll_forward='disable_roll_forward', 0x2c}, {@jqfmt_vfsv0='jqfmt=vfsv0', 0x2c}, {@flush_merge='flush_merge', 0x2c}]}) 2018/04/20 07:16:33 executing program 7: perf_event_open(&(0x7f0000000000)={0x6, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8982, &(0x7f0000000000)) 2018/04/20 07:16:33 executing program 4: 2018/04/20 07:16:33 executing program 2: 2018/04/20 07:16:33 executing program 3: 2018/04/20 07:16:33 executing program 5: r0 = socket$inet(0x2, 0x3, 0x84) sendto$inet(r0, &(0x7f000014cf2c), 0x0, 0x8000, &(0x7f0000000080)={0x2}, 0x10) sendto$inet(r0, &(0x7f0000000000), 0x1c, 0x0, &(0x7f00000000c0)={0x2}, 0x10) 2018/04/20 07:16:33 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x1000, &(0x7f0000000080)) syzkaller login: [ 43.277508] ip (3740) used greatest stack depth: 54672 bytes left [ 43.912235] ip (3803) used greatest stack depth: 54312 bytes left [ 44.754283] ip (3886) used greatest stack depth: 54200 bytes left [ 45.164091] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.170586] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.212535] device bridge_slave_0 entered promiscuous mode [ 45.227724] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.234226] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.245855] device bridge_slave_0 entered promiscuous mode [ 45.298612] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.305123] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.340989] device bridge_slave_0 entered promiscuous mode [ 45.356091] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.362597] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.396161] device bridge_slave_1 entered promiscuous mode [ 45.420231] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.426728] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.452014] device bridge_slave_0 entered promiscuous mode [ 45.471855] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.478360] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.499492] device bridge_slave_0 entered promiscuous mode [ 45.519851] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.526365] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.555937] device bridge_slave_1 entered promiscuous mode [ 45.570938] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.577505] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.600212] device bridge_slave_1 entered promiscuous mode [ 45.607002] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.613532] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.634942] device bridge_slave_0 entered promiscuous mode [ 45.652611] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.662569] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.669114] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.682826] device bridge_slave_0 entered promiscuous mode [ 45.704013] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.710533] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.729126] device bridge_slave_1 entered promiscuous mode [ 45.735515] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.742145] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.756562] device bridge_slave_0 entered promiscuous mode [ 45.769974] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.782552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.790110] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.796557] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.852158] device bridge_slave_1 entered promiscuous mode [ 45.861713] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.868202] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.895201] device bridge_slave_1 entered promiscuous mode [ 45.914925] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.925347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.933422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.951323] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.957828] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.998624] device bridge_slave_1 entered promiscuous mode [ 46.018832] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.026501] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.033070] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.068009] device bridge_slave_1 entered promiscuous mode [ 46.078831] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.104190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.152418] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.222076] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.287249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.299189] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.308815] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.437855] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.498900] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.920145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.933694] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.035631] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.124771] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.143140] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.151382] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.255435] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.300575] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.317621] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.324985] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.412654] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.472646] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.505244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.528369] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.635349] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.685845] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.090348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.192517] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.258516] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.292531] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.357688] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.403895] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.502403] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.509632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.524228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.556668] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.572737] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.581090] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.588368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.601140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.629205] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.636645] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.650272] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.667467] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.750431] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.759344] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.779188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.809718] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.817100] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.837928] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.846874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.855840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.888182] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.895876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.904820] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.915645] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.922690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.960378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.995214] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.021799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.051506] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.058696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.070733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.081191] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.090386] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.099618] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.113466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.127838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.145889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.172627] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.180272] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.188886] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.197261] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.232301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.262920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.289835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.309116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.331798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.346507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.359840] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.380664] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.387793] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.432801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.467490] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.499745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.513514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.528452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.543294] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.550633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.561431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.357216] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.363728] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.370671] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.377140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.434804] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.441312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.461195] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.467677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.474520] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.480977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.489496] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.504304] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.511580] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.518411] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.524855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.533127] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.707282] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.713777] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.720619] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.727139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.748330] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.755520] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.761988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.768839] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.775291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.783091] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.805750] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.812199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.819060] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.825496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.897467] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.904813] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.911261] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.918140] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.924574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.957483] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.029617] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.036128] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.042973] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.049424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.112287] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.447186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.466361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.496711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.516141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.524392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.532366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.539900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.533164] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.842216] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.029271] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.167568] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.306868] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.336126] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.342430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.356361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.391881] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.410288] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.506743] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.639460] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.645740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.654676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.892504] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.898769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.913086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.978646] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.985119] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.999605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.034362] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.042435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.071807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.159068] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.167425] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.183888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.254262] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.260512] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.271831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.337560] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.343839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.359009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.633356] ================================================================== [ 67.640777] BUG: KMSAN: uninit-value in crc32c_pcl_intel_update+0x2af/0x500 [ 67.647885] CPU: 1 PID: 5724 Comm: syz-executor5 Not tainted 4.16.0+ #84 [ 67.654715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.664495] Call Trace: [ 67.667075] [ 67.669230] dump_stack+0x185/0x1d0 [ 67.672860] ? crc32c_pcl_intel_update+0x2af/0x500 [ 67.677788] kmsan_report+0x142/0x240 [ 67.681596] __msan_warning_32+0x6c/0xb0 [ 67.685666] crc32c_pcl_intel_update+0x2af/0x500 [ 67.690425] ? crc32c_intel_cra_init+0x80/0x80 [ 67.695004] crypto_shash_update+0x1e9/0x210 [ 67.699415] crc32c+0x155/0x210 [ 67.702695] sctp_csum_update+0x89/0xa0 [ 67.706684] __skb_checksum+0x234/0x1010 [ 67.710748] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 67.716111] ? __pskb_pull_tail+0x1154/0x22e0 [ 67.720609] ? kmsan_memcpy_origins+0xf1/0x170 [ 67.725202] ? sctp_has_association+0x160/0x160 [ 67.729875] sctp_rcv+0xf4e/0x4c90 [ 67.733416] ? raw_rcv+0x680/0x730 [ 67.736963] ? sctp_has_association+0x160/0x160 [ 67.741628] ? sctp_csum_update+0xa0/0xa0 [ 67.745790] ? sctp_csum_combine+0xa0/0xa0 [ 67.750027] ip_local_deliver_finish+0x6ed/0xd40 [ 67.754788] ip_local_deliver+0x43c/0x4e0 [ 67.758937] ? ip_local_deliver+0x4e0/0x4e0 [ 67.763259] ? ip_call_ra_chain+0x7b0/0x7b0 [ 67.767577] ip_rcv_finish+0x1253/0x16d0 [ 67.771652] ip_rcv+0x119d/0x16f0 [ 67.775109] ? ip_rcv+0x16f0/0x16f0 [ 67.778752] __netif_receive_skb_core+0x47cf/0x4a80 [ 67.783769] ? rb_insert_color+0xa4/0x1300 [ 67.788008] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 67.793813] ? ip_local_deliver_finish+0xd40/0xd40 [ 67.798743] ? traceprobe_parse_probe_arg+0xe12/0x1600 [ 67.804028] process_backlog+0x62d/0xe20 [ 67.808101] ? rps_trigger_softirq+0x2f0/0x2f0 [ 67.812686] net_rx_action+0x7c1/0x1a70 [ 67.816675] ? net_tx_action+0xab0/0xab0 [ 67.820746] __do_softirq+0x56d/0x93d [ 67.824559] do_softirq_own_stack+0x2a/0x40 [ 67.828872] [ 67.831110] __local_bh_enable_ip+0x114/0x140 [ 67.835604] local_bh_enable+0x36/0x40 [ 67.839494] ip_finish_output2+0x124e/0x1380 [ 67.843905] ip_finish_output+0xcb0/0xff0 [ 67.848060] ip_output+0x502/0x5c0 [ 67.851601] ? ip_mc_finish_output+0x3b0/0x3b0 [ 67.856192] ? ip_finish_output+0xff0/0xff0 [ 67.860519] ip_send_skb+0x5f3/0x820 [ 67.864235] ? __ip_local_out+0x5b0/0x5b0 [ 67.868388] ip_push_pending_frames+0x105/0x170 [ 67.873060] raw_sendmsg+0x2960/0x3ed0 [ 67.876969] ? compat_raw_ioctl+0x100/0x100 [ 67.881293] inet_sendmsg+0x48d/0x740 [ 67.885099] ? security_socket_sendmsg+0x9e/0x210 [ 67.889948] ? inet_getname+0x500/0x500 [ 67.893925] SYSC_sendto+0x6c3/0x7e0 [ 67.897651] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 67.903103] ? prepare_exit_to_usermode+0x149/0x3a0 [ 67.908126] SyS_sendto+0x8a/0xb0 [ 67.911575] do_syscall_64+0x309/0x430 [ 67.915464] ? SYSC_getpeername+0x560/0x560 [ 67.919790] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.924971] RIP: 0033:0x455379 [ 67.928173] RSP: 002b:00007f1e8f0adc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 67.935880] RAX: ffffffffffffffda RBX: 00007f1e8f0ae6d4 RCX: 0000000000455379 [ 67.943143] RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000013 [ 67.950406] RBP: 000000000072bea0 R08: 00000000200000c0 R09: 0000000000000010 [ 67.957667] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 67.964914] R13: 0000000000000500 R14: 00000000006fa8a0 R15: 0000000000000000 [ 67.972165] [ 67.973772] Uninit was stored to memory at: [ 67.978089] kmsan_internal_chain_origin+0x12b/0x210 [ 67.983179] kmsan_memcpy_origins+0x11d/0x170 [ 67.987654] __msan_memcpy+0x19f/0x1f0 [ 67.991530] skb_copy_bits+0x63a/0xdb0 [ 67.995396] __pskb_pull_tail+0x483/0x22e0 [ 67.999619] sctp_rcv+0x673/0x4c90 [ 68.003153] ip_local_deliver_finish+0x6ed/0xd40 [ 68.007892] ip_local_deliver+0x43c/0x4e0 [ 68.012025] ip_rcv_finish+0x1253/0x16d0 [ 68.016074] ip_rcv+0x119d/0x16f0 [ 68.019523] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.024533] process_backlog+0x62d/0xe20 [ 68.028573] net_rx_action+0x7c1/0x1a70 [ 68.032527] __do_softirq+0x56d/0x93d [ 68.036321] Uninit was created at: [ 68.039842] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 68.044835] kmsan_alloc_page+0x82/0xe0 [ 68.048787] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 68.053522] alloc_pages_current+0x6b5/0x970 [ 68.057920] skb_page_frag_refill+0x3ba/0x5e0 [ 68.062392] sk_page_frag_refill+0xa4/0x340 [ 68.066696] __ip_append_data+0x107e/0x3d10 [ 68.071003] ip_append_data+0x2fb/0x440 [ 68.075062] raw_sendmsg+0x287b/0x3ed0 [ 68.078936] inet_sendmsg+0x48d/0x740 [ 68.082717] SYSC_sendto+0x6c3/0x7e0 [ 68.086409] SyS_sendto+0x8a/0xb0 [ 68.089845] do_syscall_64+0x309/0x430 [ 68.093715] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.098877] ================================================================== [ 68.106212] Disabling lock debugging due to kernel taint [ 68.111651] Kernel panic - not syncing: panic_on_warn set ... [ 68.111651] [ 68.118993] CPU: 1 PID: 5724 Comm: syz-executor5 Tainted: G B 4.16.0+ #84 [ 68.127126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.136457] Call Trace: [ 68.139022] [ 68.141166] dump_stack+0x185/0x1d0 [ 68.144775] panic+0x39d/0x940 [ 68.147958] ? crc32c_pcl_intel_update+0x2af/0x500 [ 68.152865] kmsan_report+0x238/0x240 [ 68.156648] __msan_warning_32+0x6c/0xb0 [ 68.160711] crc32c_pcl_intel_update+0x2af/0x500 [ 68.165449] ? crc32c_intel_cra_init+0x80/0x80 [ 68.170016] crypto_shash_update+0x1e9/0x210 [ 68.174416] crc32c+0x155/0x210 [ 68.177678] sctp_csum_update+0x89/0xa0 [ 68.181651] __skb_checksum+0x234/0x1010 [ 68.185692] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 68.191041] ? __pskb_pull_tail+0x1154/0x22e0 [ 68.195547] ? kmsan_memcpy_origins+0xf1/0x170 [ 68.200109] ? sctp_has_association+0x160/0x160 [ 68.204755] sctp_rcv+0xf4e/0x4c90 [ 68.208275] ? raw_rcv+0x680/0x730 [ 68.211793] ? sctp_has_association+0x160/0x160 [ 68.216437] ? sctp_csum_update+0xa0/0xa0 [ 68.220564] ? sctp_csum_combine+0xa0/0xa0 [ 68.224786] ip_local_deliver_finish+0x6ed/0xd40 [ 68.229522] ip_local_deliver+0x43c/0x4e0 [ 68.233650] ? ip_local_deliver+0x4e0/0x4e0 [ 68.237948] ? ip_call_ra_chain+0x7b0/0x7b0 [ 68.242246] ip_rcv_finish+0x1253/0x16d0 [ 68.246288] ip_rcv+0x119d/0x16f0 [ 68.249720] ? ip_rcv+0x16f0/0x16f0 [ 68.253331] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.258333] ? rb_insert_color+0xa4/0x1300 [ 68.262548] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 68.268327] ? ip_local_deliver_finish+0xd40/0xd40 [ 68.273239] ? traceprobe_parse_probe_arg+0xe12/0x1600 [ 68.278496] process_backlog+0x62d/0xe20 [ 68.282542] ? rps_trigger_softirq+0x2f0/0x2f0 [ 68.287104] net_rx_action+0x7c1/0x1a70 [ 68.291071] ? net_tx_action+0xab0/0xab0 [ 68.295132] __do_softirq+0x56d/0x93d [ 68.298915] do_softirq_own_stack+0x2a/0x40 [ 68.303212] [ 68.305428] __local_bh_enable_ip+0x114/0x140 [ 68.309903] local_bh_enable+0x36/0x40 [ 68.313776] ip_finish_output2+0x124e/0x1380 [ 68.318256] ip_finish_output+0xcb0/0xff0 [ 68.322383] ip_output+0x502/0x5c0 [ 68.325903] ? ip_mc_finish_output+0x3b0/0x3b0 [ 68.330463] ? ip_finish_output+0xff0/0xff0 [ 68.334763] ip_send_skb+0x5f3/0x820 [ 68.338457] ? __ip_local_out+0x5b0/0x5b0 [ 68.342585] ip_push_pending_frames+0x105/0x170 [ 68.347235] raw_sendmsg+0x2960/0x3ed0 [ 68.351122] ? compat_raw_ioctl+0x100/0x100 [ 68.355424] inet_sendmsg+0x48d/0x740 [ 68.359204] ? security_socket_sendmsg+0x9e/0x210 [ 68.364037] ? inet_getname+0x500/0x500 [ 68.367999] SYSC_sendto+0x6c3/0x7e0 [ 68.371705] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 68.377134] ? prepare_exit_to_usermode+0x149/0x3a0 [ 68.382133] SyS_sendto+0x8a/0xb0 [ 68.385565] do_syscall_64+0x309/0x430 [ 68.389434] ? SYSC_getpeername+0x560/0x560 [ 68.393735] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.398912] RIP: 0033:0x455379 [ 68.402080] RSP: 002b:00007f1e8f0adc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 68.409767] RAX: ffffffffffffffda RBX: 00007f1e8f0ae6d4 RCX: 0000000000455379 [ 68.417020] RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000013 [ 68.424276] RBP: 000000000072bea0 R08: 00000000200000c0 R09: 0000000000000010 [ 68.431538] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.438784] R13: 0000000000000500 R14: 00000000006fa8a0 R15: 0000000000000000 [ 68.446555] Dumping ftrace buffer: [ 68.450258] (ftrace buffer empty) [ 68.453942] Kernel Offset: disabled [ 68.457544] Rebooting in 86400 seconds..