x86/PAT: syz-executor0:7445 map pfn RAM range req write-combining for [mem 0x1950c0000-0x1950c3fff], got write-back
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 4501 Comm: syz-executor7 Not tainted 4.18.0-rc4-next-20180713+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:56 [inline]
RIP: 0010:list_lru_count_one+0x156/0x460 mm/list_lru.c:201
IPVS: ftp: loaded support on port[0] = 21
Code: 08 3c 03 0f 8e b5 02 00 00 4d 63 bd d8 0a 00 00 e8 7f 35 d2 ff 48 8d 7b 50 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d8 02 00 00 49 8d 46 c0 4c 8b 6b 50 48 ba 00 00 
RSP: 0018:ffff8801aa167198 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81aa3a64
device lo entered promiscuous mode
RDX: 000000000000000a RSI: ffffffff81aa3ad1 RDI: 0000000000000050
RBP: ffff8801aa167228 R08: ffff8801aa2ec180 R09: 0000000000000000
R10: ffffed0039837648 R11: ffff8801cc1bb247 R12: 1ffff1003542ce34
R13: ffff8801aa0646c0 R14: ffff8801aa167200 R15: 0000000000000000
FS:  000000000121f940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
IPVS: ftp: loaded support on port[0] = 21
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa77d6b5000 CR3: 00000001aa3ee000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 list_lru_shrink_count include/linux/list_lru.h:122 [inline]
 super_cache_count+0x153/0x2e0 fs/super.c:146
 do_shrink_slab+0x148/0xc50 mm/vmscan.c:458
 shrink_slab_memcg mm/vmscan.c:598 [inline]
 shrink_slab+0x861/0xa60 mm/vmscan.c:671
 shrink_node+0x429/0x16a0 mm/vmscan.c:2735
 shrink_zones mm/vmscan.c:2964 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026
 try_to_free_mem_cgroup_pages+0x49d/0xc90 mm/vmscan.c:3324
 reclaim_high.constprop.73+0x137/0x1e0 mm/memcontrol.c:2060
 mem_cgroup_handle_over_high+0x8d/0x130 mm/memcontrol.c:2085
 tracehook_notify_resume include/linux/tracehook.h:195 [inline]
 exit_to_usermode_loop+0x287/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x453be0
Code: 31 c0 e9 45 ff ff ff 0f 1f 00 80 3f 00 0f 84 f7 00 00 00 55 53 b9 02 00 00 00 be 00 08 09 00 89 c8 48 81 ec 98 00 00 00 0f 05 <48> 3d 00 f0 ff ff 48 89 c3 0f 87 e9 00 00 00 85 db 0f 88 2f 01 00 
RSP: 002b:00007fff73f252e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002
RAX: 0000000000000014 RBX: 0000000000000000 RCX: 0000000000453be0
RDX: 00007fff73f26460 RSI: 0000000000090800 RDI: 00007fff73f264f0
RBP: 00007fff73f264f0 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000005 R11: 0000000000000202 R12: 0000000001220940
R13: 0000000000000000 R14: 00007fff73f27bd0 R15: 0000000000702140
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 4398997102ed2c13 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:list_lru_from_memcg_idx mm/list_lru.c:56 [inline]
RIP: 0010:list_lru_count_one+0x156/0x460 mm/list_lru.c:201
Code: 08 3c 03 0f 8e b5 02 00 00 4d 63 bd d8 0a 00 00 e8 7f 35 d2 ff 48 8d 7b 50 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d8 02 00 00 49 8d 46 c0 4c 8b 6b 50 48 ba 00 00 
RSP: 0018:ffff8801aa167198 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81aa3a64
RDX: 000000000000000a RSI: ffffffff81aa3ad1 RDI: 0000000000000050
RBP: ffff8801aa167228 R08: ffff8801aa2ec180 R09: 0000000000000000
R10: ffffed0039837648 R11: ffff8801cc1bb247 R12: 1ffff1003542ce34
R13: ffff8801aa0646c0 R14: ffff8801aa167200 R15: 0000000000000000
IPVS: ftp: loaded support on port[0] = 21
FS:  000000000121f940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa77d6b5000 CR3: 00000001aa3ee000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400