------------[ cut here ]------------
kernel BUG at mm/vmscan.c:593!
invalid opcode: 0000 [#1] SMP KASAN
------------[ cut here ]------------
CPU: 1 PID: 1534 Comm: kswapd0 Not tainted 4.18.0-rc4-next-20180710+ #3
kernel BUG at mm/vmscan.c:593!
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:shrink_slab_memcg mm/vmscan.c:593 [inline]
RIP: 0010:shrink_slab+0xb3e/0xdb0 mm/vmscan.c:672
Code: 8d a8 fd ff ff f0 48 0f b3 08 e8 3d ab da ff 48 8b 85 c0 fd ff ff c7 00 f8 f8 f8 f8 c6 40 04 f8 e9 5d fb ff ff e8 22 ab da ff <0f> 0b e8 1b ab da ff 48 8b 9d d8 fd ff ff 31 ff 48 89 de e8 3a ac 
RSP: 0018:ffff8801d3ed74c0 EFLAGS: 00010293
RAX: ffff8801d3e6c140 RBX: ffff8801d3ed7710 RCX: ffffffff81a1cd42
RDX: 0000000000000000 RSI: ffffffff81a1d04e RDI: 0000000000000007
RBP: ffff8801d3ed7738 R08: ffff8801d3e6c140 R09: ffffed0039832450
R10: ffffed0039832450 R11: ffff8801cc192287 R12: dffffc0000000000
R13: ffff8801cc3392b0 R14: 0000000000000000 R15: ffff8801d3ed7550
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7e77d4f0 CR3: 00000001a9b43000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 shrink_node+0x429/0x16a0 mm/vmscan.c:2736
 kswapd_shrink_node mm/vmscan.c:3458 [inline]
 balance_pgdat+0x7ca/0x1010 mm/vmscan.c:3568
 kswapd+0x82e/0x12f0 mm/vmscan.c:3790
 kthread+0x345/0x410 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
invalid opcode: 0000 [#2] SMP KASAN
---[ end trace a476e6b3faf754bc ]---
CPU: 0 PID: 23139 Comm: syz-executor2 Tainted: G      D           4.18.0-rc4-next-20180710+ #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:shrink_slab_memcg mm/vmscan.c:593 [inline]
RIP: 0010:shrink_slab+0xb3e/0xdb0 mm/vmscan.c:672
RIP: 0010:shrink_slab_memcg mm/vmscan.c:593 [inline]
RIP: 0010:shrink_slab+0xb3e/0xdb0 mm/vmscan.c:672
Code: 
Code: 
8d a8 fd ff 
8d 
ff f0 48 0f 
a8 
b3 08 e8 
fd 
3d ab da ff 
ff 
48 8b 85 
ff 
c0 fd ff ff 
f0 
c7 00 f8 f8 
48 
f8 f8 c6 40 04 
0f 
f8 e9 5d fb 
b3 
ff ff e8 
08 
22 ab da ff 
e8 
<0f> 0b e8 1b 
3d 
ab da ff 48 
ab 
8b 9d d8 fd 
da 
ff ff 31 
ff 
ff 48 89 de 
48 
e8 3a ac 
8b 
RSP: 0018:ffff8801940ddbd0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8801940dde20 RCX: ffffc90012386000
85 
RDX: 0000000000040000 RSI: ffffffff81a1d04e RDI: 0000000000000007
RBP: ffff8801940dde48 R08: ffff880199c7a4c0 R09: ffffed0039832450
c0 
R10: ffffed0039832450 R11: ffff8801cc192287 R12: dffffc0000000000
R13: ffff8801cc3392b0 R14: 0000000000000000 R15: ffff8801940ddc60
FS:  00007fa7db1cf700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
fd 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa9313a5000 CR3: 00000001a8555000 CR4: 00000000001406f0
ff 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ff 
c7 
00 
f8 
 shrink_node+0x429/0x16a0 mm/vmscan.c:2736
f8 
f8 
f8 
c6 
40 
04 
f8 
 shrink_zones mm/vmscan.c:2965 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3027
e9 
5d 
 try_to_free_pages+0x4b2/0xb80 mm/vmscan.c:3242
fb 
ff 
ff 
e8 
22 
ab 
 __perform_reclaim mm/page_alloc.c:3769 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
 __alloc_pages_slowpath+0x953/0x2d00 mm/page_alloc.c:4191
da 
ff 
<0f> 
0b 
e8 
1b 
ab 
da 
ff 
 __alloc_pages_nodemask+0xa7c/0xdb0 mm/page_alloc.c:4390
48 
8b 
9d 
d8 
fd 
ff 
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
ff 
 alloc_pages include/linux/gfp.h:492 [inline]
 __page_cache_alloc+0x398/0x5e0 mm/filemap.c:925
31 
ff 
 __do_page_cache_readahead+0x24e/0x690 mm/readahead.c:192
48 
89 
 ra_submit mm/internal.h:66 [inline]
 do_sync_mmap_readahead mm/filemap.c:2356 [inline]
 filemap_fault+0xe41/0x2220 mm/filemap.c:2432
de 
e8 
3a 
ac 
RSP: 0018:ffff8801d3ed74c0 EFLAGS: 00010293
RAX: ffff8801d3e6c140 RBX: ffff8801d3ed7710 RCX: ffffffff81a1cd42
RDX: 0000000000000000 RSI: ffffffff81a1d04e RDI: 0000000000000007
RBP: ffff8801d3ed7738 R08: ffff8801d3e6c140 R09: ffffed0039832450
R10: ffffed0039832450 R11: ffff8801cc192287 R12: dffffc0000000000
R13: ffff8801cc3392b0 R14: 0000000000000000 R15: ffff8801d3ed7550
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7e77d4f0 CR3: 00000001a9b43000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400