BUG: unable to handle kernel paging request at ffffeb0400135ea0
IP: virt_to_head_page include/linux/mm.h:615 [inline]
IP: qlink_to_cache mm/kasan/quarantine.c:127 [inline]
IP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
PGD 0 P4D 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 12473 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #370
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:virt_to_head_page include/linux/mm.h:615 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline]
RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
RSP: 0018:ffff880188867818 EFLAGS: 00010282
RAX: ffffc90004d7a000 RBX: 0000000000000282 RCX: ffffea0000000000
RDX: ffffeb0400135e80 RSI: ffff8801d083af48 RDI: 0000000000000282
RBP: ffff880188867850 R08: 1ffff1003110ced1 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90004d7a000 R15: ffffffff87acabe0
FS:  000000000270f940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffeb0400135ea0 CR3: 00000001c98d0004 CR4: 00000000001626f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:537
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:443 [inline]
 slab_alloc mm/slab.c:3380 [inline]
 kmem_cache_alloc+0x11b/0x760 mm/slab.c:3540
 shmem_alloc_inode+0x1b/0x40 mm/shmem.c:3852
 alloc_inode+0x65/0x180 fs/inode.c:209
 new_inode_pseudo+0x69/0x190 fs/inode.c:890
 new_inode+0x1c/0x40 fs/inode.c:919
 shmem_get_inode+0xe1/0x920 mm/shmem.c:2166
 shmem_symlink+0xf0/0x8f0 mm/shmem.c:3233
 vfs_symlink+0x323/0x560 fs/namei.c:4105
 SYSC_symlinkat fs/namei.c:4132 [inline]
 SyS_symlinkat fs/namei.c:4112 [inline]
 SYSC_symlink fs/namei.c:4145 [inline]
 SyS_symlink+0x1d2/0x240 fs/namei.c:4143
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454607
RSP: 002b:0000000000a3eaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 000000000000005c RCX: 0000000000454607
RDX: 0000000000000000 RSI: 00000000004b9bc5 RDI: 0000000000a3f870
RBP: 0000000000a3f1a0 R08: 0000000000000000 R09: 000000000270f940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000013 R14: 0000000000000000 R15: 0000000000001380
Code: 00 00 00 80 48 01 c2 72 44 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 20 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 30 e9 f4 
RIP: virt_to_head_page include/linux/mm.h:615 [inline] RSP: ffff880188867818
RIP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] RSP: ffff880188867818
RIP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: ffff880188867818
CR2: ffffeb0400135ea0
---[ end trace 9a25f033bcebf36d ]---