BUG: unable to handle kernel paging request at fffff1de38000208
#PF error: [normal kernel read fault]
PGD 0 P4D 0 
Oops: 0000 [#1] SMP KASAN PTI
CPU: 0 PID: 1 Comm: systemd Not tainted 5.1.0-rc3+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:172 [inline]
RIP: 0010:virt_to_head_page include/linux/mm.h:688 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:128 [inline]
RIP: 0010:qlist_free_all+0x7b/0xc0 mm/kasan/quarantine.c:164
Code: db 48 89 df 75 db 48 89 f0 4c 01 f0 72 56 4c 89 fa 48 2b 15 17 5d 82 02 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 f5 5c 82 02 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 eb a2 49
RSP: 0018:ffff88806cfffc18 EFLAGS: 00010286
RAX: fffff1de38000200 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000777f80000000 RSI: 0001800e0000800e RDI: 0000000000000000
RBP: 0001800e0000800e R08: 0000000000000000 R09: 0000000000000000
R10: ffffea0001171401 R11: ffff888045c50000 R12: ffff88806cfffc50
R13: ffffffff8235cb82 R14: 0000000080000000 R15: ffffffff80000000
FS:  00007fa500ad9500(0000) GS:ffff88806d200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff1de38000208 CR3: 0000000068d52006 CR4: 00000000003606f0
Call Trace:
 quarantine_reduce+0x13e/0x170 mm/kasan/quarantine.c:260
 __kasan_kmalloc.constprop.5+0xc2/0xd0 mm/kasan/common.c:478
 slab_post_alloc_hook mm/slab.h:437 [inline]
 slab_alloc_node mm/slub.c:2756 [inline]
 slab_alloc mm/slub.c:2764 [inline]
 kmem_cache_alloc+0xb1/0x180 mm/slub.c:2769
 getname_flags+0xc5/0x560 fs/namei.c:138
 user_path_at_empty+0x27/0x50 fs/namei.c:2606
 user_path_at include/linux/namei.h:60 [inline]
 vfs_statx+0xe1/0x180 fs/stat.c:187
 vfs_lstat include/linux/fs.h:3182 [inline]
 __do_sys_newlstat+0x81/0x100 fs/stat.c:354
 do_syscall_64+0x94/0x2b0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa4ff0a3335
Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89
RSP: 002b:00007fff46de6198 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 000055f759b346e0 RCX: 00007fa4ff0a3335
RDX: 00007fff46de61d0 RSI: 00007fff46de61d0 RDI: 000055f759b336e0
RBP: 00007fff46de6290 R08: 00007fa4ff3621e8 R09: 0000000000001010
R10: 0000000000000020 R11: 0000000000000246 R12: 000055f759b336e0
R13: 000055f759b33704 R14: 000055f759af4ee4 R15: 000055f759af4ef4
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: fffff1de38000208
---[ end trace d50ae981b9e5a1f3 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:172 [inline]
RIP: 0010:virt_to_head_page include/linux/mm.h:688 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:128 [inline]
RIP: 0010:qlist_free_all+0x7b/0xc0 mm/kasan/quarantine.c:164
Code: db 48 89 df 75 db 48 89 f0 4c 01 f0 72 56 4c 89 fa 48 2b 15 17 5d 82 02 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 f5 5c 82 02 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 eb a2 49
RSP: 0018:ffff88806cfffc18 EFLAGS: 00010286
RAX: fffff1de38000200 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000777f80000000 RSI: 0001800e0000800e RDI: 0000000000000000
RBP: 0001800e0000800e R08: 0000000000000000 R09: 0000000000000000
R10: ffffea0001171401 R11: ffff888045c50000 R12: ffff88806cfffc50
R13: ffffffff8235cb82 R14: 0000000080000000 R15: ffffffff80000000
FS:  00007fa500ad9500(0000) GS:ffff88806d200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff1de38000208 CR3: 0000000068d52006 CR4: 00000000003606f0
