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-5,10.128.0.53' (ECDSA) to the list of known hosts. 2017/09/30 01:53:24 parsed 1 programs 2017/09/30 01:53:24 executed programs: 0 syzkaller login: [ 50.167949] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.171871] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.177409] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.181870] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.188457] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.199271] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.213206] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.225024] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.239567] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.250677] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.264028] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.275260] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.289081] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.300407] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.314225] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.325028] program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 50.334033] kasan: CONFIG_KASAN_INLINE enabled [ 50.338615] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.345951] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.352148] Dumping ftrace buffer: [ 50.355653] (ftrace buffer empty) [ 50.359348] Modules linked in: [ 50.362629] CPU: 1 PID: 3279 Comm: syz-executor0 Not tainted 4.9.52-g9b2b081 #55 [ 50.370124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.379453] task: ffff8801c7021800 task.stack: ffff8801c7038000 [ 50.385481] RIP: 0010:[] [] sg_remove_scat.isra.20+0x17b/0x2d0 [ 50.394766] RSP: 0018:ffff8801c703fa20 EFLAGS: 00010202 [ 50.400178] RAX: 1ffff10038e0244d RBX: ffff8801c7012258 RCX: 0000000000000002 [ 50.407414] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8801c701001c [ 50.414660] RBP: ffff8801c703fa70 R08: ffffed0039c11aac R09: ffff8801ce08d540 [ 50.421893] R10: 0000000000000005 R11: ffffed0039c11aac R12: 0000000000000002 [ 50.429130] R13: 0000000000000010 R14: 0000000000000000 R15: dffffc0000000000 [ 50.436368] FS: 00007f0f922be700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 50.444559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.450407] CR2: 0000000020005000 CR3: 00000001c7809000 CR4: 00000000001406e0 [ 50.457655] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.464890] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.472122] Stack: [ 50.474238] ffff8801c7012270 ffffed0038e0244b ffffed0038e0244e ffff8801c7012268 [ 50.482195] ffff8801c7010000 ffff8801c7012240 0000000000000000 0000000000000000 [ 50.490137] 0000000000000000 ffff8801c7012338 ffff8801c703fab0 ffffffff82662295 [ 50.498079] Call Trace: [ 50.500650] [] sg_finish_rem_req+0x2b5/0x340 [ 50.506691] [] sg_read+0x91c/0x1400 [ 50.511940] [] ? __check_object_size+0x174/0x3a9 [ 50.518312] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 50.524944] [] ? fsnotify+0xf30/0xf30 [ 50.530360] [] ? avc_policy_seqno+0x9/0x20 [ 50.536224] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 50.543202] [] ? security_file_permission+0x89/0x1e0 [ 50.549946] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 50.556584] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 50.563216] [] do_readv_writev+0x520/0x750 [ 50.569063] [] ? vfs_write+0x4e0/0x4e0 [ 50.574568] [] ? exit_robust_list+0x230/0x230 [ 50.580676] [] ? __fget+0x201/0x3a0 [ 50.585914] [] ? __fget+0x228/0x3a0 [ 50.591153] [] ? __fget+0x47/0x3a0 [ 50.596307] [] vfs_readv+0x84/0xc0 [ 50.601459] [] do_readv+0xe6/0x250 [ 50.606612] [] ? vfs_readv+0xc0/0xc0 [ 50.611940] [] ? security_file_ioctl+0x89/0xb0 [ 50.618136] [] SyS_readv+0x27/0x30 [ 50.623295] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 50.629835] Code: 45 b8 eb 3e e8 47 88 d0 fe 48 8b 45 c8 48 c1 e8 03 42 80 3c 38 00 0f 85 3a 01 00 00 4c 8b 73 10 4b 8d 14 2e 48 89 d1 48 c1 e9 03 <42> 80 3c 39 00 0f 85 0b 01 00 00 48 8b 12 49 83 c5 08 48 85 d2 [ 50.656133] RIP [] sg_remove_scat.isra.20+0x17b/0x2d0 [ 50.663054] RSP [ 50.666789] ---[ end trace 558b4ad7a8eef62e ]--- [ 50.671512] Kernel panic - not syncing: Fatal exception [ 50.676874] Dumping ftrace buffer: [ 50.680382] (ftrace buffer empty) [ 50.684057] Kernel Offset: disabled [ 50.687653] Rebooting in 86400 seconds..