[ 34.940986][ T26] audit: type=1800 audit(1550208845.761:27): pid=7386 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.941011][ T26] audit: type=1800 audit(1550208845.761:28): pid=7386 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.768826][ T26] audit: type=1800 audit(1550208846.631:29): pid=7386 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.789083][ T26] audit: type=1800 audit(1550208846.631:30): pid=7386 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.053484][ T7540] ------------[ cut here ]------------ [ 46.059206][ T7540] kernel BUG at drivers/android/binder_alloc.c:1141! [ 46.066105][ T7540] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 46.072167][ T7540] CPU: 0 PID: 7540 Comm: syz-executor013 Not tainted 5.0.0-rc6-next-20190214 #35 [ 46.081351][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.091397][ T7540] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 46.097878][ T7540] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 9f e1 26 fc 4c 89 e6 4c 89 ef e8 b4 e2 26 fc 4d 39 e5 76 07 e8 8a e1 26 fc <0f> 0b e8 83 e1 26 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 91 [ 46.117635][ T7540] RSP: 0018:ffff88804a6cf558 EFLAGS: 00010293 [ 46.123873][ T7540] RAX: ffff888033dc61c0 RBX: 0000000020001000 RCX: ffffffff8549806c [ 46.131841][ T7540] RDX: 0000000000000000 RSI: ffffffff85498076 RDI: 0000000000000006 [ 46.139789][ T7540] RBP: ffff88804a6cf5d8 R08: ffff888033dc61c0 R09: 0000000000000028 [ 46.147928][ T7540] R10: ffffed10094d9f01 R11: ffff88804a6cf80f R12: 0000000000000008 [ 46.155884][ T7540] R13: 0000000000000028 R14: ffff888069c1c210 R15: 0000000000000000 [ 46.163851][ T7540] FS: 00000000017d9940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 46.172912][ T7540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.179479][ T7540] CR2: 0000000000000000 CR3: 000000007b49a000 CR4: 00000000001406f0 [ 46.187431][ T7540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.195380][ T7540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.203391][ T7540] Call Trace: [ 46.206830][ T7540] ? memcpy+0x46/0x50 [ 46.210879][ T7540] ? binder_alloc_do_buffer_copy+0x442/0x510 [ 46.216838][ T7540] binder_alloc_copy_from_buffer+0x37/0x42 [ 46.222817][ T7540] binder_get_object+0xa2/0x1e0 [ 46.227828][ T7540] binder_transaction+0x2b4a/0x6690 [ 46.233100][ T7540] ? binder_thread_read+0x3d20/0x3d20 [ 46.238462][ T7540] ? mark_held_locks+0xf0/0xf0 [ 46.243206][ T7540] ? __might_fault+0x12b/0x1e0 [ 46.248093][ T7540] ? lock_downgrade+0x880/0x880 [ 46.252928][ T7540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.259161][ T7540] ? _copy_from_user+0xdd/0x150 [ 46.263995][ T7540] binder_thread_write+0x64a/0x2820 [ 46.269316][ T7540] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 46.275174][ T7540] ? binder_transaction+0x6690/0x6690 [ 46.280521][ T7540] ? __might_fault+0x12b/0x1e0 [ 46.285286][ T7540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.291684][ T7540] ? _copy_from_user+0xdd/0x150 [ 46.296515][ T7540] binder_ioctl+0x1033/0x183b [ 46.301172][ T7540] ? binder_thread_write+0x2820/0x2820 [ 46.306615][ T7540] ? userfaultfd_unmap_complete+0x293/0x400 [ 46.312501][ T7540] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 46.318133][ T7540] ? lock_downgrade+0x880/0x880 [ 46.323154][ T7540] ? binder_thread_write+0x2820/0x2820 [ 46.329298][ T7540] do_vfs_ioctl+0xd6e/0x1390 [ 46.333865][ T7540] ? ioctl_preallocate+0x210/0x210 [ 46.338955][ T7540] ? vma_is_stack_for_current+0xd0/0xd0 [ 46.344745][ T7540] ? ksys_dup3+0x3e0/0x3e0 [ 46.349159][ T7540] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.355369][ T7540] ? fput_many+0x12c/0x1a0 [ 46.359757][ T7540] ? fput+0x1b/0x20 [ 46.363541][ T7540] ? ksys_mmap_pgoff+0xff/0x630 [ 46.368375][ T7540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.374598][ T7540] ? security_file_ioctl+0x93/0xc0 [ 46.379715][ T7540] ksys_ioctl+0xab/0xd0 [ 46.383852][ T7540] __x64_sys_ioctl+0x73/0xb0 [ 46.388652][ T7540] do_syscall_64+0x103/0x610 [ 46.393270][ T7540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.399148][ T7540] RIP: 0033:0x444579 [ 46.403024][ T7540] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.422938][ T7540] RSP: 002b:00007fff3621c708 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.431349][ T7540] RAX: ffffffffffffffda RBX: 00007fff3621c710 RCX: 0000000000444579 [ 46.439421][ T7540] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 46.447375][ T7540] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000401000 [ 46.455324][ T7540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402280 [ 46.463277][ T7540] R13: 0000000000402310 R14: 0000000000000000 R15: 0000000000000000 [ 46.471231][ T7540] Modules linked in: [ 46.475441][ T7540] ---[ end trace e53003f51f970669 ]--- [ 46.480914][ T7540] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 46.487444][ T7540] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 9f e1 26 fc 4c 89 e6 4c 89 ef e8 b4 e2 26 fc 4d 39 e5 76 07 e8 8a e1 26 fc <0f> 0b e8 83 e1 26 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 91 [ 46.507294][ T7540] RSP: 0018:ffff88804a6cf558 EFLAGS: 00010293 [ 46.513345][ T7540] RAX: ffff888033dc61c0 RBX: 0000000020001000 RCX: ffffffff8549806c [ 46.521479][ T7540] RDX: 0000000000000000 RSI: ffffffff85498076 RDI: 0000000000000006 [ 46.529483][ T7540] RBP: ffff88804a6cf5d8 R08: ffff888033dc61c0 R09: 0000000000000028 [ 46.537467][ T7540] R10: ffffed10094d9f01 R11: ffff88804a6cf80f R12: 0000000000000008 [ 46.545458][ T7540] R13: 0000000000000028 R14: ffff888069c1c210 R15: 0000000000000000 [ 46.553409][ T7540] FS: 00000000017d9940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 46.562375][ T7540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.568980][ T7540] CR2: 0000000000000000 CR3: 000000007b49a000 CR4: 00000000001406f0 [ 46.576963][ T7540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.584952][ T7540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.592992][ T7540] Kernel panic - not syncing: Fatal exception [ 46.600490][ T7540] Kernel Offset: disabled [ 46.604810][ T7540] Rebooting in 86400 seconds..