Kernel panic - not syncing: Out of memory and no killable processes...

CPU: 1 PID: 3676 Comm: rsyslogd Not tainted 4.9.99-gc2f9bce #22
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c527f688 ffffffff81eb0f09 ffffffff83ca52a0 00000000ffffffff
 dffffc0000000000 0000000000000001 1ffff10038a4fef5 ffff8801c527f748
 ffffffff8141f855 0000000041b58ab3 ffffffff843b8768 ffffffff8141f696
Call Trace:
 [<ffffffff81eb0f09>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb0f09>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141f855>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff81560adc>] out_of_memory.cold.24+0x1e/0x5d mm/oom_kill.c:1058
 [<ffffffff8145167c>] __alloc_pages_may_oom mm/page_alloc.c:3123 [inline]
 [<ffffffff8145167c>] __alloc_pages_slowpath+0x119c/0x1e30 mm/page_alloc.c:3740
 [<ffffffff81452664>] __alloc_pages_nodemask+0x354/0x700 mm/page_alloc.c:3851
 [<ffffffff8143e60d>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<ffffffff8143e60d>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<ffffffff8143e60d>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<ffffffff8143e60d>] __page_cache_alloc include/linux/pagemap.h:208 [inline]
 [<ffffffff8143e60d>] page_cache_read mm/filemap.c:1994 [inline]
 [<ffffffff8143e60d>] filemap_fault+0x91d/0x1130 mm/filemap.c:2179
 [<ffffffff8175e461>] ext4_filemap_fault+0x71/0xa0 fs/ext4/inode.c:5864
 [<ffffffff814bf10d>] __do_fault+0x22d/0x500 mm/memory.c:2827
 [<ffffffff814ce83e>] do_read_fault mm/memory.c:3174 [inline]
 [<ffffffff814ce83e>] do_fault mm/memory.c:3309 [inline]
 [<ffffffff814ce83e>] handle_pte_fault mm/memory.c:3510 [inline]
 [<ffffffff814ce83e>] __handle_mm_fault mm/memory.c:3597 [inline]
 [<ffffffff814ce83e>] handle_mm_fault+0x160e/0x28e0 mm/memory.c:3634
 [<ffffffff810d99bf>] __do_page_fault+0x5af/0xd50 arch/x86/mm/fault.c:1407
 [<ffffffff810da187>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff839f57c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:951
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..