serialport: Connected to syzkaller.us-central1-c.ci-android-49-kasan-gce-7 port 1 (session ID: 3456c4e1079212a5f72ea311e72de65f706f4ffe367cd3cf14e0c3e1194217b7, active connections: 1). 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 'ci-android-49-kasan-gce-7,10.128.0.44' (ECDSA) to the list of known hosts. 2017/08/08 00:27:03 parsed 1 programs 2017/08/08 00:27:03 executed programs: 0 syzkaller login: [ 33.855074] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 33.856287] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=0 [ 33.857190] audit: type=1305 audit(1502152023.293:45): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 33.859011] audit: type=1305 audit(1502152023.293:46): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 33.861081] audit: type=1305 audit(1502152023.293:47): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 33.911871] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 33.920113] audit: audit_lost=2 audit_rate_limit=0 audit_backlog_limit=0 [ 33.927422] audit: type=1305 audit(1502152023.363:178): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 33.953602] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 33.961711] audit: audit_lost=3 audit_rate_limit=0 audit_backlog_limit=0 [ 33.970511] audit: type=1305 audit(1502152023.403:234): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 33.983185] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 33.991439] audit: audit_lost=4 audit_rate_limit=0 audit_backlog_limit=0 [ 33.998741] audit: type=1305 audit(1502152023.403:236): audit_pid=393216 old=393216 auid=4294967295 ses=4294967295 subj=kernel res=0 [ 34.013407] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.051912] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.062563] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.082510] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.093949] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.107250] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.179192] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.199361] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.217753] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.244415] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.257225] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.268821] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.305302] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.319347] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.355754] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.401000] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.418245] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.587706] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.618047] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.628517] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.646482] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.692989] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.702728] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.735159] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.753668] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.799902] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.822538] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.839535] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.852351] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.863877] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.893194] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.914511] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.924142] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 34.965352] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.043126] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.062773] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.114172] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.135457] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.194199] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.208497] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.267233] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.279331] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.299752] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.329103] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.396703] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.415658] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.434377] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.458712] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.513540] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.641940] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.685342] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.710578] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.784491] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 35.906282] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 36.014681] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 36.557901] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 36.620334] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 36.864015] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 36.979955] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.058307] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.109101] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.125035] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.145743] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.158350] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.208491] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.251652] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.279246] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.290478] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.325174] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.387250] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.400225] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.430356] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.534774] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.632510] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.695184] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.720215] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.760608] audit: netlink_unicast sending to audit_pid=393216 returned error: -111 [ 37.770260] kasan: CONFIG_KASAN_INLINE enabled [ 37.775230] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.782642] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 37.788857] Dumping ftrace buffer: [ 37.792371] (ftrace buffer empty) [ 37.796058] Modules linked in: [ 37.799327] CPU: 1 PID: 13321 Comm: syz-executor7 Not tainted 4.9.40-g7b2727c #16 [ 37.806914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.816244] task: ffff8801d5b4b000 task.stack: ffff8801d6be8000 [ 37.822268] RIP: 0010:[] [] netlink_unicast+0xcd/0x750 [ 37.830844] RSP: 0018:ffff8801d6bef660 EFLAGS: 00010206 [ 37.836257] RAX: 0000000000000069 RBX: dffffc0000000000 RCX: 0000000000000000 [ 37.843510] RDX: 0000000000000000 RSI: 00000000024000c0 RDI: 0000000000000348 [ 37.850753] RBP: ffff8801d6bef720 R08: ffffed0039deb0a3 R09: ffffed0039deb0a3 [ 37.857993] R10: 0000000000000001 R11: ffffed0039deb0a2 R12: 0000000000000000 [ 37.865227] R13: 0000000000000000 R14: ffff8801cea61640 R15: 0000000000000000 [ 37.872468] FS: 00007fc097a3f700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 37.880665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.886512] CR2: 0000000020f01fe1 CR3: 00000001d0309000 CR4: 00000000001406e0 [ 37.893756] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.900992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.908223] Stack: [ 37.910336] ffff8801cea61640 ffffffff81538961 ffff8801cef58500 0000000000000004 [ 37.918277] 1ffff1003ad7ded3 ffff8801d6bef6d0 ffffffff000033ec 0000000041b58ab3 [ 37.926225] ffffffff841de6ba ffffffff83082e00 ffffffff81538a05 ffff8801cea61640 [ 37.934170] Call Trace: [ 37.936734] [] ? memset+0x31/0x40 [ 37.941806] [] ? netlink_attachskb+0x680/0x680 [ 37.948001] [] ? memcpy+0x45/0x50 [ 37.953068] [] ? audit_make_reply+0x172/0x1c0 [ 37.959176] [] audit_receive_msg+0x164c/0x1b40 [ 37.965372] [] ? save_stack+0x43/0xd0 [ 37.970791] [] ? kasan_kmalloc+0xad/0xe0 [ 37.976463] [] ? kasan_slab_alloc+0x12/0x20 [ 37.982399] [] ? __kmalloc_track_caller+0xda/0x2b0 [ 37.988947] [] ? __kmalloc_reserve.isra.37+0x33/0xc0 [ 37.995664] [] ? audit_log_feature_change.part.17+0x110/0x110 [ 38.003162] [] ? vfs_write+0x170/0x4e0 [ 38.008662] [] ? SyS_write+0xd9/0x1b0 [ 38.014076] [] ? entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.020794] [] ? sock_write_iter+0x226/0x3b0 [ 38.026814] [] ? __vfs_write+0x4bf/0x680 [ 38.032489] [] ? vfs_write+0x170/0x4e0 [ 38.037991] [] ? SyS_write+0xd9/0x1b0 [ 38.043410] [] ? entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.050128] [] ? audit_receive+0x27/0x220 [ 38.055891] [] ? mutex_lock_nested+0x56f/0x870 [ 38.062086] [] ? audit_receive+0x27/0x220 [ 38.067849] [] ? mutex_lock_killable_nested+0x960/0x960 [ 38.074836] [] audit_receive+0x130/0x220 [ 38.080512] [] netlink_unicast+0x511/0x750 [ 38.086359] [] ? netlink_unicast+0x43c/0x750 [ 38.092379] [] ? netlink_attachskb+0x680/0x680 [ 38.098575] [] netlink_sendmsg+0x8e8/0xc50 [ 38.104423] [] ? netlink_unicast+0x750/0x750 [ 38.110446] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 38.116910] [] ? security_socket_sendmsg+0x89/0xb0 [ 38.123463] [] ? netlink_unicast+0x750/0x750 [ 38.129489] [] sock_sendmsg+0xca/0x110 [ 38.134992] [] sock_write_iter+0x226/0x3b0 [ 38.140842] [] ? avc_has_perm_noaudit+0x450/0x450 [ 38.147299] [] ? sock_sendmsg+0x110/0x110 [ 38.153060] [] ? iov_iter_init+0xaf/0x1d0 [ 38.158823] [] __vfs_write+0x4bf/0x680 [ 38.164326] [] ? default_llseek+0x290/0x290 [ 38.170266] [] ? selinux_file_permission+0x82/0x460 [ 38.176895] [] ? rw_verify_area+0xe5/0x2b0 [ 38.182743] [] vfs_write+0x170/0x4e0 [ 38.188705] [] SyS_write+0xd9/0x1b0 [ 38.193948] [] ? SyS_read+0x1b0/0x1b0 [ 38.199364] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.205918] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.212468] Code: 41 81 c6 20 00 08 02 44 89 f6 e8 5f 4e ff ff 45 85 ff 49 89 c6 75 26 e8 52 40 2e fe 49 8d bc 24 48 03 00 00 48 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 25 06 00 00 4d 8b ac 24 48 03 00 00 e8 2c 40 [ 38.238794] RIP [] netlink_unicast+0xcd/0x750 [ 38.245028] RSP [ 38.250778] ---[ end trace 64a27aa7e48a5ffe ]--- [ 38.255586] Kernel panic - not syncing: Fatal exception [ 38.261457] Dumping ftrace buffer: [ 38.264963] (ftrace buffer empty) [ 38.268634] Kernel Offset: disabled [ 38.272224] Rebooting in 86400 seconds..