BUG: unable to handle page fault for address: ffffea0003ffff88
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 13fff8067 
P4D 13fff8067 
PUD 13fff7067 
PMD 0 

Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8475 Comm: ifupdown-hotplu Not tainted 5.12.0-rc8-next-20210423-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:compound_head include/linux/page-flags.h:184 [inline]
RIP: 0010:virt_to_head_page include/linux/mm.h:899 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:120 [inline]
RIP: 0010:qlist_free_all+0x85/0xc0 mm/kasan/quarantine.c:162
Code: 85 ff 74 3b 4c 89 fe 48 85 ed 48 89 ef 75 cb 48 89 f7 48 89 34 24 e8 4a 2e 7a ff 48 8b 34 24 48 c1 e8 0c 48 c1 e0 06 4c 01 f0 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 eb 9b 49
RSP: 0018:ffffc900016afc88 EFLAGS: 00010282

RAX: ffffea0003ffff80 RBX: ffff88801ca95500 RCX: 0000000000000000
RDX: ffff888025589c80 RSI: ffff8880ffffea00 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000002e
R10: ffffffff81342fea R11: 000000000000003f R12: dffffc0000000000
R13: ffffc900016afcc0 R14: ffffea0000000000 R15: ffff8880ffffea00
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffea0003ffff88 CR3: 0000000012fbf000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272
 __kasan_slab_alloc+0x8e/0xa0 mm/kasan/common.c:438
 kasan_slab_alloc include/linux/kasan.h:236 [inline]
 slab_post_alloc_hook mm/slab.h:527 [inline]
 slab_alloc_node mm/slub.c:2924 [inline]
 slab_alloc mm/slub.c:2932 [inline]
 kmem_cache_alloc+0x219/0x3a0 mm/slub.c:2937
 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
 getname_flags include/linux/audit.h:319 [inline]
 getname+0x8e/0xd0 fs/namei.c:209
 do_sys_openat2+0xf5/0x420 fs/open.c:1181
 do_sys_open fs/open.c:1203 [inline]
 __do_sys_open fs/open.c:1211 [inline]
 __se_sys_open fs/open.c:1207 [inline]
 __x64_sys_open+0x119/0x1c0 fs/open.c:1207
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8a06a771b7
Code: f3 c3 90 f7 d8 89 05 88 bf 20 00 b8 ff ff ff ff c3 66 90 c7 05 76 bf 20 00 16 00 00 00 b8 ff ff ff ff c3 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 59 bf 20 00 f7 d8 89 01 48 83
RSP: 002b:00007ffc274732e8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffc274733d0 RCX: 00007f8a06a771b7
RDX: 00007f8a06c83170 RSI: 0000000000080000 RDI: 00007f8a06c83d68
RBP: 00007ffc27473340 R08: 0000000000000000 R09: 00007ffc274733bf
R10: 00007ffc274733d0 R11: 0000000000000246 R12: 00007f8a06c83170
R13: 0000000000000000 R14: 00007ffc274733bf R15: 0000000000000000
Modules linked in:

CR2: ffffea0003ffff88
---[ end trace 38b7662da3586fef ]---
RIP: 0010:compound_head include/linux/page-flags.h:184 [inline]
RIP: 0010:virt_to_head_page include/linux/mm.h:899 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:120 [inline]
RIP: 0010:qlist_free_all+0x85/0xc0 mm/kasan/quarantine.c:162
Code: 85 ff 74 3b 4c 89 fe 48 85 ed 48 89 ef 75 cb 48 89 f7 48 89 34 24 e8 4a 2e 7a ff 48 8b 34 24 48 c1 e8 0c 48 c1 e0 06 4c 01 f0 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 eb 9b 49
RSP: 0018:ffffc900016afc88 EFLAGS: 00010282

RAX: ffffea0003ffff80 RBX: ffff88801ca95500 RCX: 0000000000000000
RDX: ffff888025589c80 RSI: ffff8880ffffea00 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000002e
R10: ffffffff81342fea R11: 000000000000003f R12: dffffc0000000000
R13: ffffc900016afcc0 R14: ffffea0000000000 R15: ffff8880ffffea00
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffea0003ffff88 CR3: 0000000012fbf000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400