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: 1 PID: 1221 Comm: systemd-udevd 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:ffff88806c17fd68 EFLAGS: 00010286
RAX: fffff1de38000200 RBX: 0000000000000000 RCX: ffffea0001995400
RDX: 0000777f80000000 RSI: 0001800e0000800e RDI: 0000000000000000
RBP: 0001800e0000800e R08: 0000000000000000 R09: 0000000000000000
R10: ffffea00019c7c01 R11: ffff8880671f0000 R12: ffff88806c17fda0
R13: ffffffff90b5cb82 R14: 0000000080000000 R15: ffffffff80000000
FS:  00007f969857e8c0(0000) GS:ffff88806d300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff1de38000208 CR3: 000000006be60002 CR4: 00000000003606e0
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
 prepare_creds+0x23/0x2b0 kernel/cred.c:254
 do_faccessat+0x85/0x600 fs/open.c:359
 do_syscall_64+0x94/0x2b0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f96973f19c7
Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc1ffbfb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 0000556f5fd583d0 RCX: 00007f96973f19c7
RDX: 00746e657665752f RSI: 0000000000000000 RDI: 00007ffc1ffbfba0
RBP: 00007ffc1ffbfc10 R08: 000000000000ffff R09: 0000000000001000
R10: 0000000000000020 R11: 0000000000000246 R12: 0000556f5e7d5616
R13: 0000556f5fd47910 R14: 00007ffc1ffbfba0 R15: 00007ffc1ffc0de0
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: fffff1de38000208
---[ end trace 2d4f111679d06021 ]---
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:ffff88806c17fd68 EFLAGS: 00010286
RAX: fffff1de38000200 RBX: 0000000000000000 RCX: ffffea0001995400
RDX: 0000777f80000000 RSI: 0001800e0000800e RDI: 0000000000000000
RBP: 0001800e0000800e R08: 0000000000000000 R09: 0000000000000000
R10: ffffea00019c7c01 R11: ffff8880671f0000 R12: ffff88806c17fda0
R13: ffffffff90b5cb82 R14: 0000000080000000 R15: ffffffff80000000
FS:  00007f969857e8c0(0000) GS:ffff88806d300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff1de38000208 CR3: 000000006be60002 CR4: 00000000003606e0
