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 '10.128.0.40' (ECDSA) to the list of known hosts. 2018/04/16 04:32:05 parsed 1 programs 2018/04/16 04:32:05 executed programs: 0 syzkaller login: [ 24.927217] IPVS: ftp: loaded support on port[0] = 21 [ 24.949971] IPVS: ftp: loaded support on port[0] = 21 [ 24.953980] IPVS: ftp: loaded support on port[0] = 21 [ 24.971721] IPVS: ftp: loaded support on port[0] = 21 [ 24.973901] IPVS: ftp: loaded support on port[0] = 21 [ 24.981323] IPVS: ftp: loaded support on port[0] = 21 [ 24.982972] IPVS: ftp: loaded support on port[0] = 21 [ 24.993897] IPVS: ftp: loaded support on port[0] = 21 [ 25.347818] BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1342 [ 25.356492] in_atomic(): 0, irqs_disabled(): 1, pid: 4487, name: syz-executor5 [ 25.363863] 1 lock held by syz-executor5/4487: [ 25.368449] #0: 000000002b340339 (&mm->mmap_sem){++++}, at: __do_page_fault+0x381/0xe40 [ 25.376729] irq event stamp: 18722 [ 25.380301] hardirqs last enabled at (18721): [] entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.390295] hardirqs last disabled at (18722): [] error_entry+0x72/0xd0 [ 25.398636] softirqs last enabled at (18506): [] __do_softirq+0x778/0xaf5 [ 25.407264] softirqs last disabled at (18473): [] irq_exit+0x1d1/0x200 [ 25.415510] CPU: 1 PID: 4487 Comm: syz-executor5 Not tainted 4.16.0+ #4 [ 25.422274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.431641] Call Trace: [ 25.434266] BUG: unable to handle kernel paging request at 0000000041b5e1f3 [ 25.441374] PGD 1d94fe067 P4D 1d94fe067 PUD 0 [ 25.445974] Oops: 0000 [#1] SMP KASAN [ 25.449779] Dumping ftrace buffer: [ 25.453317] (ftrace buffer empty) [ 25.457024] Modules linked in: [ 25.460225] CPU: 1 PID: 4487 Comm: syz-executor5 Tainted: G W 4.16.0+ #4 [ 25.468370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.477832] RIP: 0010:vmx_vcpu_run+0xa3d/0x25f0 [ 25.482508] RSP: 0018:ffff8801c73a7380 EFLAGS: 00010046 [ 25.487876] ================================================================== [ 25.495257] BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x4e/0x54a [ 25.503404] Read of size 8 at addr ffff8801c73a7300 by task syz-executor5/4487 [ 25.510762] [ 25.512397] CPU: 1 PID: 4487 Comm: syz-executor5 Tainted: G W 4.16.0+ #4 [ 25.520535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.529893] Call Trace: [ 25.532461] [ 25.534069] The buggy address belongs to the page: [ 25.538986] page:ffffea00071ce9c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 [ 25.547111] flags: 0x2fffc0000000000() [ 25.550984] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff [ 25.558851] raw: 0000000000000000 ffffea00071c0101 0000000000000000 0000000000000000 [ 25.566709] page dumped because: kasan: bad access detected [ 25.572396] [ 25.574004] Memory state around the buggy address: [ 25.578919] ffff8801c73a7200: f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 [ 25.586258] ffff8801c73a7280: f3 f3 f3 f3 f2 f2 f8 f2 f2 f2 f2 f2 f2 f2 00 00 [ 25.593600] >ffff8801c73a7300: f2 f2 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 [ 25.600934] ^ [ 25.604283] ffff8801c73a7380: f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 [ 25.611628] ffff8801c73a7400: f2 f2 f2 f2 00 f2 f2 f2 f3 f3 f3 f3 00 00 00 00 [ 25.618979] ================================================================== [ 25.626336] Kernel panic - not syncing: panic_on_warn set ... [ 25.626336] [ 25.634210] Dumping ftrace buffer: [ 25.637742] (ftrace buffer empty) [ 25.641440] Kernel Offset: disabled [ 25.645052] Rebooting in 86400 seconds..