FAT-fs (loop5): Directory bread(block 4) failed
FAT-fs (loop5): Directory bread(block 5) failed
BUG: unable to handle kernel paging request at ffffebe004000020
PGD 0 P4D 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 15245 Comm: udevd Not tainted 4.16.0+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:virt_to_head_page include/linux/mm.h:624 [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:ffff8801a8ddefa8 EFLAGS: 00010286
RAX: 000000010000000b RBX: 0000000000000282 RCX: ffffea0000000000
RDX: ffffebe004000000 RSI: ffff8801c25e6d70 RDI: 0000000000000282
RBP: ffff8801a8ddefe0 R08: ffff8801c25e6cf8 R09: 0000000000000006
R10: ffff8801c25e64c0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000010000000b R15: ffffffff88b18760
FS:  00007feec2c807a0(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffebe004000020 CR3: 00000001b4b9f000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0x99/0xe0 mm/kasan/kasan.c:538
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490
 kmem_cache_alloc+0x12e/0x760 mm/slab.c:3554
 anon_vma_chain_alloc mm/rmap.c:128 [inline]
 anon_vma_fork+0x2c8/0x950 mm/rmap.c:343
 dup_mmap kernel/fork.c:468 [inline]
 dup_mm kernel/fork.c:1235 [inline]
 copy_mm kernel/fork.c:1289 [inline]
 copy_process.part.38+0x2f21/0x6ee0 kernel/fork.c:1795
 copy_process kernel/fork.c:1608 [inline]
 _do_fork+0x291/0x12a0 kernel/fork.c:2089
 SYSC_clone kernel/fork.c:2196 [inline]
 SyS_clone+0x37/0x50 kernel/fork.c:2190
 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7feec2363f46
RSP: 002b:00007fff48ce5060 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fff48ce5060 RCX: 00007feec2363f46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fff48ce50c0 R08: 0000000000003b8d R09: 0000000000003b8d
R10: 00007feec2c80a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff48ce5080 R14: 0000000000000005 R15: 0000000000000005
Code: 00 00 00 80 48 01 c2 72 43 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:624 [inline] RSP: ffff8801a8ddefa8
RIP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] RSP: ffff8801a8ddefa8
RIP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801a8ddefa8
CR2: ffffebe004000020
---[ end trace 167681a871927bc4 ]---