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 '10.128.10.21' (ECDSA) to the list of known hosts. 2018/04/17 04:45:21 fuzzer started 2018/04/17 04:45:22 dialing manager at 10.128.0.26:43021 2018/04/17 04:45:28 kcov=true, comps=false 2018/04/17 04:45:31 executing program 0: 2018/04/17 04:45:31 executing program 2: 2018/04/17 04:45:31 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket(0x11, 0x800000003, 0x400000000008f0) bind(r1, &(0x7f00005a2000)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000000100)=""/251, &(0x7f0000000040)=0xfb) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000000)={'lo\x00'}) 2018/04/17 04:45:31 executing program 3: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(&(0x7f0000000240)='./file0/bus\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000982ff9)='sysfs\x00', 0x0, &(0x7f0000ebcffe)) 2018/04/17 04:45:31 executing program 5: 2018/04/17 04:45:31 executing program 6: 2018/04/17 04:45:31 executing program 1: r0 = memfd_create(&(0x7f0000000180)="776d616e70615750bd6ada48880547b0961c6313a5e9818e9c77ca09522283014931eb109a64a97491f758afb02509b6886d0ec466d50e7bfea036578d3e8852db333fa08d27cc35b5aaf06a2ff877643c", 0x0) write(r0, &(0x7f0000000240)='v', 0x1) sched_setaffinity(0x0, 0x8, &(0x7f0000000040)=0xfffffffffffffffa) sendfile(r0, r0, &(0x7f0000001000), 0xffff) sendfile(r0, r0, &(0x7f0000000140), 0x7fff) timer_create(0x0, &(0x7f0000cd0000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f00004b1fe0)={{0x0, 0x1c9c380}, {0x0, 0x9}}, &(0x7f0000040000)) getpgid(0x0) tkill(0x0, 0x0) 2018/04/17 04:45:31 executing program 4: syzkaller login: [ 42.979980] ip (3638) used greatest stack depth: 54192 bytes left [ 44.628352] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.634889] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.649273] device bridge_slave_0 entered promiscuous mode [ 44.703938] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.710428] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.734980] device bridge_slave_0 entered promiscuous mode [ 44.748735] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.755184] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.784459] device bridge_slave_0 entered promiscuous mode [ 44.802522] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.808983] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.817781] device bridge_slave_0 entered promiscuous mode [ 44.852110] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.858615] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.880089] device bridge_slave_0 entered promiscuous mode [ 44.896457] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.902930] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.926306] device bridge_slave_0 entered promiscuous mode [ 44.944452] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.950905] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.960851] device bridge_slave_1 entered promiscuous mode [ 44.968384] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.974879] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.992535] device bridge_slave_0 entered promiscuous mode [ 45.006923] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.013405] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.039198] device bridge_slave_1 entered promiscuous mode [ 45.054086] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.060538] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.076884] device bridge_slave_1 entered promiscuous mode [ 45.093282] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.099769] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.110439] device bridge_slave_0 entered promiscuous mode [ 45.119766] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.126214] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.136672] device bridge_slave_1 entered promiscuous mode [ 45.145204] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.151624] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.172691] device bridge_slave_1 entered promiscuous mode [ 45.189063] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.205655] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.213114] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.219580] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.243937] device bridge_slave_1 entered promiscuous mode [ 45.250532] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.256962] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.287552] device bridge_slave_1 entered promiscuous mode [ 45.297097] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.326332] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.332847] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.368339] device bridge_slave_1 entered promiscuous mode [ 45.376152] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.385813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.395940] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.416670] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.436221] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.490941] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.504660] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.563617] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.610828] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.626737] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.640483] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.704779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.822779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.331182] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.475280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.488990] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.500692] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.565423] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.572938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.662987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.673689] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.683065] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.697953] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.754081] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.769582] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.876074] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.889926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.903590] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.156613] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.635586] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.653078] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.691918] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.724478] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.802823] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.817810] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.829722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.844404] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.863283] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.917644] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.957493] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.034903] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.042733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.058378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.084076] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.094260] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.102771] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.112929] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.121368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.144629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.183769] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.191849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.206006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.241724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.276446] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.287347] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.301467] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.329743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.354160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.363363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.372561] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.382107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.391427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.403775] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.411971] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.419005] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.427693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.456996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.485354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.502357] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.509781] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.519650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.529420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.545738] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.553127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.561579] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.579293] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.588221] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.597631] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.623444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.657156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.684937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.709742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.738127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.753902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.776274] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.797254] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.806701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.846974] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.864295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.907364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.088878] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.096152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.105375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.771869] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.778362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.785269] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.791745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.839305] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.848296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.865760] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.872209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.879111] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.885556] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.898735] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.916323] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.922811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.929638] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.936120] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.976102] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.984644] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.991182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.998052] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.004494] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.036930] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.105151] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.111639] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.118494] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.124952] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.211963] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.230198] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.236669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.243540] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.249980] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.291951] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.304421] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.310884] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.317719] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.324161] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.335138] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.519942] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.526408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.533283] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.539746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.548082] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.871381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.887750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.907418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.931162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.943613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.950988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.958861] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.146953] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.371600] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.414960] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.437798] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.529518] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.833863] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.934976] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.941288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.952644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.987723] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.034239] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.160972] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.167324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.177005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.202287] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.208795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.222974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.251955] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.258982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.269629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.459160] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.465403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.475815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.692217] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.698654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.709601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.746391] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.753714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.767317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.895140] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.901389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.911901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.011372] ================================================================== [ 68.018884] WARNING: memcpy-param-overlap in generic_perform_write+0x4c6/0x990 [ 68.026329] __msan_memcpy(ffff88021f577001, ffff88021f577000, 4095) [ 68.032828] CPU: 0 PID: 5625 Comm: syz-executor1 Not tainted 4.16.0+ #84 [ 68.039691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.049063] Call Trace: [ 68.051657] dump_stack+0x185/0x1d0 [ 68.055288] __msan_memcpy+0x90/0x1f0 [ 68.059106] iov_iter_copy_from_user_atomic+0xb04/0x17d0 [ 68.064633] ================================================================== [ 68.071976] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 [ 68.078704] CPU: 0 PID: 5625 Comm: syz-executor1 Not tainted 4.16.0+ #84 [ 68.085514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.094839] Call Trace: [ 68.097404] dump_stack+0x14a/0x1d0 [ 68.101036] ? kernel_text_address+0x248/0x3a0 [ 68.105598] kmsan_report+0x142/0x240 [ 68.109376] __msan_warning_32+0x6c/0xb0 [ 68.113418] kernel_text_address+0x248/0x3a0 [ 68.117803] __kernel_text_address+0x34/0xe0 [ 68.122187] show_trace_log_lvl+0x954/0x1030 [ 68.126574] ? generic_perform_write+0x4c6/0x990 [ 68.131307] show_stack+0xfc/0x150 [ 68.134823] ? print_worker_info+0x1b0/0x660 [ 68.139214] dump_stack+0x185/0x1d0 [ 68.142822] __msan_memcpy+0x90/0x1f0 [ 68.146598] iov_iter_copy_from_user_atomic+0xb04/0x17d0 [ 68.152043] generic_perform_write+0x4c6/0x990 [ 68.156605] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 68.161950] __generic_file_write_iter+0x43b/0x990 [ 68.166858] ? rcu_all_qs+0x32/0x1f0 [ 68.170558] generic_file_write_iter+0x814/0xbf0 [ 68.175294] ? __generic_file_write_iter+0x990/0x990 [ 68.180371] do_iter_readv_writev+0x7bb/0x970 [ 68.184843] ? __generic_file_write_iter+0x990/0x990 [ 68.189920] do_iter_write+0x30d/0xd40 [ 68.193782] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.198600] ? __generic_file_write_iter+0x990/0x990 [ 68.203678] vfs_iter_write+0x118/0x180 [ 68.207641] iter_file_splice_write+0xbc3/0x1710 [ 68.212387] ? splice_from_pipe+0x2c0/0x2c0 [ 68.216682] ? splice_from_pipe+0x2c0/0x2c0 [ 68.220980] direct_splice_actor+0x19b/0x200 [ 68.225366] splice_direct_to_actor+0x764/0x1040 [ 68.230094] ? do_splice_direct+0x540/0x540 [ 68.234391] ? security_file_permission+0x28f/0x4b0 [ 68.239383] ? rw_verify_area+0x35e/0x580 [ 68.243507] do_splice_direct+0x335/0x540 [ 68.247630] do_sendfile+0x1067/0x1e40 [ 68.251497] SYSC_sendfile64+0x1b3/0x300 [ 68.255533] SyS_sendfile64+0x64/0x90 [ 68.259308] do_syscall_64+0x309/0x430 [ 68.263171] ? SYSC_sendfile+0x320/0x320 [ 68.267207] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.272368] RIP: 0033:0x455329 [ 68.275529] RSP: 002b:00007fef66a28c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.283213] RAX: ffffffffffffffda RBX: 00007fef66a296d4 RCX: 0000000000455329 [ 68.290467] RDX: 0000000020000140 RSI: 0000000000000013 RDI: 0000000000000013 [ 68.297712] RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 [ 68.304957] R10: 0000000000007fff R11: 0000000000000246 R12: 00000000ffffffff [ 68.312200] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000001 [ 68.319444] [ 68.321047] Local variable description: ----flags.i.i.i.i.i@get_page_from_freelist [ 68.328721] Variable was created at: [ 68.332412] get_page_from_freelist+0x15d/0xb600 [ 68.337141] __alloc_pages_nodemask+0x789/0x5dc0 [ 68.341863] ================================================================== [ 68.349192] Disabling lock debugging due to kernel taint [ 68.354610] Kernel panic - not syncing: panic_on_warn set ... [ 68.354610] [ 68.361948] CPU: 0 PID: 5625 Comm: syz-executor1 Tainted: G B 4.16.0+ #84 [ 68.370059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.379382] Call Trace: [ 68.381946] dump_stack+0x14a/0x1d0 [ 68.385546] panic+0x39d/0x940 [ 68.388721] ? kernel_text_address+0x248/0x3a0 [ 68.393280] kmsan_report+0x238/0x240 [ 68.397056] __msan_warning_32+0x6c/0xb0 [ 68.401100] kernel_text_address+0x248/0x3a0 [ 68.405486] __kernel_text_address+0x34/0xe0 [ 68.409873] show_trace_log_lvl+0x954/0x1030 [ 68.414259] ? generic_perform_write+0x4c6/0x990 [ 68.419000] show_stack+0xfc/0x150 [ 68.422522] ? print_worker_info+0x1b0/0x660 [ 68.426905] dump_stack+0x185/0x1d0 [ 68.430504] __msan_memcpy+0x90/0x1f0 [ 68.434283] iov_iter_copy_from_user_atomic+0xb04/0x17d0 [ 68.439720] generic_perform_write+0x4c6/0x990 [ 68.444283] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 68.449622] __generic_file_write_iter+0x43b/0x990 [ 68.454524] ? rcu_all_qs+0x32/0x1f0 [ 68.458216] generic_file_write_iter+0x814/0xbf0 [ 68.462948] ? __generic_file_write_iter+0x990/0x990 [ 68.468032] do_iter_readv_writev+0x7bb/0x970 [ 68.472506] ? __generic_file_write_iter+0x990/0x990 [ 68.477583] do_iter_write+0x30d/0xd40 [ 68.481444] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.486266] ? __generic_file_write_iter+0x990/0x990 [ 68.491342] vfs_iter_write+0x118/0x180 [ 68.495297] iter_file_splice_write+0xbc3/0x1710 [ 68.500054] ? splice_from_pipe+0x2c0/0x2c0 [ 68.504355] ? splice_from_pipe+0x2c0/0x2c0 [ 68.508652] direct_splice_actor+0x19b/0x200 [ 68.513048] splice_direct_to_actor+0x764/0x1040 [ 68.517780] ? do_splice_direct+0x540/0x540 [ 68.522078] ? security_file_permission+0x28f/0x4b0 [ 68.527071] ? rw_verify_area+0x35e/0x580 [ 68.531196] do_splice_direct+0x335/0x540 [ 68.535320] do_sendfile+0x1067/0x1e40 [ 68.539188] SYSC_sendfile64+0x1b3/0x300 [ 68.543227] SyS_sendfile64+0x64/0x90 [ 68.547002] do_syscall_64+0x309/0x430 [ 68.550872] ? SYSC_sendfile+0x320/0x320 [ 68.554910] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.560072] RIP: 0033:0x455329 [ 68.563235] RSP: 002b:00007fef66a28c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.570916] RAX: ffffffffffffffda RBX: 00007fef66a296d4 RCX: 0000000000455329 [ 68.578160] RDX: 0000000020000140 RSI: 0000000000000013 RDI: 0000000000000013 [ 68.585403] RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 [ 68.592645] R10: 0000000000007fff R11: 0000000000000246 R12: 00000000ffffffff [ 68.599896] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000001 [ 68.607582] Dumping ftrace buffer: [ 68.611098] (ftrace buffer empty) [ 68.614778] Kernel Offset: disabled [ 68.618376] Rebooting in 86400 seconds..