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 '10.128.10.1' (ECDSA) to the list of known hosts. 2018/04/19 08:26:39 fuzzer started 2018/04/19 08:26:40 dialing manager at 10.128.0.26:42695 2018/04/19 08:26:46 kcov=true, comps=false 2018/04/19 08:26:49 executing program 0: 2018/04/19 08:26:49 executing program 2: 2018/04/19 08:26:49 executing program 7: 2018/04/19 08:26:49 executing program 1: 2018/04/19 08:26:49 executing program 3: 2018/04/19 08:26:49 executing program 4: 2018/04/19 08:26:49 executing program 5: 2018/04/19 08:26:49 executing program 6: syzkaller login: [ 41.672668] ip (3761) used greatest stack depth: 54816 bytes left [ 42.060893] ip (3796) used greatest stack depth: 54312 bytes left [ 43.234083] ip (3911) used greatest stack depth: 54200 bytes left [ 43.522604] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.529132] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.562522] device bridge_slave_0 entered promiscuous mode [ 43.633882] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.640417] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.643196] ip (3941) used greatest stack depth: 53960 bytes left [ 43.659983] device bridge_slave_0 entered promiscuous mode [ 43.759288] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.765796] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.817982] device bridge_slave_1 entered promiscuous mode [ 43.839550] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.846136] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.879923] device bridge_slave_0 entered promiscuous mode [ 43.910741] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.917357] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.926264] device bridge_slave_0 entered promiscuous mode [ 43.935193] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.942353] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.953019] device bridge_slave_0 entered promiscuous mode [ 43.975336] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.981884] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.006400] device bridge_slave_0 entered promiscuous mode [ 44.016569] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.023105] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.032618] device bridge_slave_0 entered promiscuous mode [ 44.044648] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.051165] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.075624] device bridge_slave_1 entered promiscuous mode [ 44.091986] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.098464] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.118402] device bridge_slave_1 entered promiscuous mode [ 44.126566] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.134230] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.140659] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.163681] device bridge_slave_0 entered promiscuous mode [ 44.190166] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.196700] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.218939] device bridge_slave_1 entered promiscuous mode [ 44.228662] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.235137] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.252398] device bridge_slave_1 entered promiscuous mode [ 44.267008] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.273568] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.307997] device bridge_slave_1 entered promiscuous mode [ 44.317488] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.324646] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.331153] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.339097] device bridge_slave_1 entered promiscuous mode [ 44.348270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.358545] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.365837] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.376173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.383561] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.390098] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.452171] device bridge_slave_1 entered promiscuous mode [ 44.496469] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.507237] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.530671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.574929] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.620839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.628320] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.688931] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.699348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.707597] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.931554] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.418583] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.534877] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.554993] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.587652] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.613159] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.639115] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.698077] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.742842] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.764270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.771632] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.805205] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.834076] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.857905] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.947874] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.981970] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.088449] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.678750] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.709759] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.778814] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.838575] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.846298] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.902423] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.911113] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.963084] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.992756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.003780] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.015837] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.073169] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.084773] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.095394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.111096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.155561] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.168808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.181481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.205943] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.220791] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.228481] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.235731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.272209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.302710] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.309854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.321821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.354646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.361932] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.373555] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.380787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.393407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.420438] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.428507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.439750] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.446796] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.467102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.503653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.532813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.564604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.585915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.595581] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.602991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.611641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.625082] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.639778] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.652104] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.663694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.686871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.700253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.720988] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.729953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.763594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.792421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.801440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.825687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.860221] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.873010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.901617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.947126] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.954305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.973607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.058691] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.065903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.080795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.764521] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.771154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.778825] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.785316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.820805] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.830760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.845707] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.852196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.859114] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.865566] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.879726] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.887769] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.894250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.901122] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.907595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.956967] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.978282] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.984755] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.991585] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.998114] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.057724] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.268518] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.275086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.281949] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.288416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.340475] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.347757] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.354245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.361129] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.367586] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.391374] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.421726] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.428226] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.435115] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.441572] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.555641] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.574542] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.581103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.587901] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.594392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.639988] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.848215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.872003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.906688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.933594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.960647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.982688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.002679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.184961] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.245397] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.266015] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.560097] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.905685] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.920846] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.960949] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.967245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.978797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.004357] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.011896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.050963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.075419] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.085709] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.098133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.115647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.184148] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.438639] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.444900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.456298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.722436] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.728750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.739131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.769089] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.779317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.829612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.907906] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.914246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.923841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.027915] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.034260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.053163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/19 08:27:15 executing program 2: 2018/04/19 08:27:15 executing program 2: 2018/04/19 08:27:15 executing program 2: 2018/04/19 08:27:15 executing program 3: 2018/04/19 08:27:15 executing program 2: 2018/04/19 08:27:16 executing program 1: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f00008a1ff7)='loginuid\x00') perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendfile(r1, r1, &(0x7f0000000140), 0x6) 2018/04/19 08:27:16 executing program 2: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f000042c000)='/dev/sequencer\x00', 0x80002000000a02, 0x0) close(r0) [ 66.158422] ================================================================== [ 66.165856] BUG: KMSAN: uninit-value in update_stack_state+0x673/0xa40 [ 66.172526] CPU: 0 PID: 5727 Comm: syz-executor1 Not tainted 4.16.0+ #84 [ 66.179370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.188738] Call Trace: [ 66.191352] dump_stack+0x185/0x1d0 [ 66.195001] ? update_stack_state+0x673/0xa40 [ 66.199540] kmsan_report+0x142/0x240 [ 66.203355] __msan_warning_32+0x6c/0xb0 2018/04/19 08:27:16 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r0, &(0x7f0000000140), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x10) [ 66.207430] update_stack_state+0x673/0xa40 [ 66.211775] unwind_next_frame+0x618/0xe50 [ 66.216023] __unwind_start+0x508/0x630 [ 66.220011] __save_stack_trace+0x3e1/0xa80 [ 66.224339] ? __save_stack_trace+0x3e1/0xa80 [ 66.228839] save_stack_trace+0xa5/0xf0 [ 66.232817] kmsan_internal_chain_origin+0x12b/0x210 [ 66.237927] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 66.243383] ? vsnprintf+0x32cf/0x33c0 [ 66.247283] ? scnprintf+0x222/0x2b0 [ 66.251005] kmsan_memcpy_origins+0x11d/0x170 [ 66.255506] kmsan_copy_to_user+0x132/0x160 [ 66.259835] simple_read_from_buffer+0x24d/0x3d0 [ 66.264603] proc_loginuid_read+0x34f/0x410 [ 66.268937] do_iter_read+0x880/0xd70 [ 66.272749] ? oom_score_adj_write+0x440/0x440 [ 66.277336] vfs_readv+0x1ec/0x260 [ 66.280896] default_file_splice_read+0xa9a/0x1120 [ 66.285843] ? security_file_permission+0x473/0x4b0 [ 66.290872] ? rw_verify_area+0x35e/0x580 [ 66.295028] ? SYSC_tee+0x13d0/0x13d0 [ 66.298841] splice_direct_to_actor+0x4c6/0x1040 [ 66.303599] ? do_splice_direct+0x540/0x540 [ 66.307926] ? security_file_permission+0x28f/0x4b0 [ 66.312963] ? rw_verify_area+0x35e/0x580 [ 66.317128] do_splice_direct+0x335/0x540 [ 66.321284] do_sendfile+0x1067/0x1e40 [ 66.325188] SYSC_sendfile64+0x1b3/0x300 [ 66.329259] SyS_sendfile64+0x64/0x90 [ 66.333065] do_syscall_64+0x309/0x430 [ 66.336968] ? SYSC_sendfile+0x320/0x320 [ 66.341038] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.346227] RIP: 0033:0x455329 [ 66.349413] RSP: 002b:00007f3afa38bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 66.357116] RAX: ffffffffffffffda RBX: 00007f3afa38c6d4 RCX: 0000000000455329 [ 66.364384] RDX: 0000000020000140 RSI: 0000000000000013 RDI: 0000000000000013 [ 66.371660] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 66.378932] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000ffffffff [ 66.386213] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 66.393488] [ 66.395112] Local variable description: ----handle.i@event_sched_in [ 66.401517] Variable was created at: [ 66.405243] event_sched_in+0x8c/0x2de0 [ 66.409228] group_sched_in+0x179/0xe20 [ 66.413197] ================================================================== [ 66.420548] Disabling lock debugging due to kernel taint [ 66.425990] Kernel panic - not syncing: panic_on_warn set ... [ 66.425990] [ 66.433358] CPU: 0 PID: 5727 Comm: syz-executor1 Tainted: G B 4.16.0+ #84 [ 66.441491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.450838] Call Trace: [ 66.453440] dump_stack+0x185/0x1d0 [ 66.457076] panic+0x39d/0x940 [ 66.460300] ? update_stack_state+0x673/0xa40 [ 66.464796] kmsan_report+0x238/0x240 [ 66.468609] __msan_warning_32+0x6c/0xb0 [ 66.472689] update_stack_state+0x673/0xa40 [ 66.477029] unwind_next_frame+0x618/0xe50 [ 66.481280] __unwind_start+0x508/0x630 [ 66.485269] __save_stack_trace+0x3e1/0xa80 [ 66.489603] ? __save_stack_trace+0x3e1/0xa80 [ 66.494112] save_stack_trace+0xa5/0xf0 [ 66.498091] kmsan_internal_chain_origin+0x12b/0x210 [ 66.503199] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 66.508651] ? vsnprintf+0x32cf/0x33c0 [ 66.512555] ? scnprintf+0x222/0x2b0 [ 66.516276] kmsan_memcpy_origins+0x11d/0x170 [ 66.520780] kmsan_copy_to_user+0x132/0x160 [ 66.525111] simple_read_from_buffer+0x24d/0x3d0 [ 66.529875] proc_loginuid_read+0x34f/0x410 [ 66.534206] do_iter_read+0x880/0xd70 [ 66.538019] ? oom_score_adj_write+0x440/0x440 [ 66.542607] vfs_readv+0x1ec/0x260 [ 66.546170] default_file_splice_read+0xa9a/0x1120 [ 66.551118] ? security_file_permission+0x473/0x4b0 [ 66.556140] ? rw_verify_area+0x35e/0x580 [ 66.560301] ? SYSC_tee+0x13d0/0x13d0 [ 66.564111] splice_direct_to_actor+0x4c6/0x1040 [ 66.568874] ? do_splice_direct+0x540/0x540 [ 66.573201] ? security_file_permission+0x28f/0x4b0 [ 66.578225] ? rw_verify_area+0x35e/0x580 [ 66.582387] do_splice_direct+0x335/0x540 [ 66.586542] do_sendfile+0x1067/0x1e40 [ 66.590445] SYSC_sendfile64+0x1b3/0x300 [ 66.594515] SyS_sendfile64+0x64/0x90 [ 66.598319] do_syscall_64+0x309/0x430 [ 66.602212] ? SYSC_sendfile+0x320/0x320 [ 66.606279] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.611460] RIP: 0033:0x455329 [ 66.614644] RSP: 002b:00007f3afa38bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 66.622348] RAX: ffffffffffffffda RBX: 00007f3afa38c6d4 RCX: 0000000000455329 [ 66.629616] RDX: 0000000020000140 RSI: 0000000000000013 RDI: 0000000000000013 [ 66.636884] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 66.644152] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000ffffffff [ 66.651421] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 66.659151] Dumping ftrace buffer: [ 66.662672] (ftrace buffer empty) [ 66.666356] Kernel Offset: disabled [ 66.669961] Rebooting in 86400 seconds..