kmalloc-512           137127KB     137288KB
kmalloc-256           145012KB     145016KB
kmalloc-128             4324KB       4332KB
kmalloc-96              3161KB       3224KB
kmalloc-64             23200KB      23304KB
kmalloc-32             15724KB      15742KB
kmalloc-192             6726KB       6820KB
kmem_cache               121KB        128KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 1 PID: 25014 Comm: syz-executor.0 Not tainted 5.8.0-rc4-next-20200710-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 out_of_memory mm/oom_kill.c:1106 [inline]
 out_of_memory.cold+0xa6/0x182 mm/oom_kill.c:1041
 __alloc_pages_may_oom mm/page_alloc.c:3985 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4718 [inline]
 __alloc_pages_nodemask+0x24a5/0x2a20 mm/page_alloc.c:4891
 alloc_pages_current+0x187/0x280 mm/mempolicy.c:2292
 alloc_pages include/linux/gfp.h:545 [inline]
 __page_cache_alloc mm/filemap.c:957 [inline]
 __page_cache_alloc+0x31e/0x450 mm/filemap.c:942
 pagecache_get_page+0x2a6/0xf70 mm/filemap.c:1667
 grab_cache_page_write_begin+0x64/0x90 mm/filemap.c:3310
 ext4_da_write_begin+0x35c/0x11d0 fs/ext4/inode.c:2966
 generic_perform_write+0x20a/0x4f0 mm/filemap.c:3360
 ext4_buffered_write_iter+0x235/0x4a0 fs/ext4/file.c:274
 ext4_file_write_iter+0x1f3/0x1490 fs/ext4/file.c:662
 call_write_iter include/linux/fs.h:1879 [inline]
 aio_write+0x32e/0x5c0 fs/aio.c:1580
 __io_submit_one fs/aio.c:1835 [inline]
 io_submit_one+0xeb7/0x1ff0 fs/aio.c:1882
 __do_sys_io_submit fs/aio.c:1941 [inline]
 __se_sys_io_submit fs/aio.c:1911 [inline]
 __x64_sys_io_submit+0x19a/0x4f0 fs/aio.c:1911
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cba9
Code: Bad RIP value.
RSP: 002b:00007fdadbb11c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004e1ec0 RCX: 000000000045cba9
RDX: 0000000020000540 RSI: 0000000000000008 RDI: 00007fdadbaf1000
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000207 R14: 00000000004c46af R15: 00007fdadbb126d4
Kernel Offset: disabled
Rebooting in 86400 seconds..