BUG: unable to handle page fault for address: ffff8880a1efb6c0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10601067 P4D 10601067 PUD 23ffff067 PMD 123063 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 30058 Comm: syz-executor.5 Tainted: G        W         5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:qlist_free_all+0x43/0xc0 mm/kasan/quarantine.c:163
Code: 00 00 00 49 be 00 00 00 00 00 ea ff ff 49 89 fd 49 bc 00 00 00 00 00 fc ff df eb 2d 48 63 87 c0 00 00 00 48 c7 c2 95 b0 bb 81 <4c> 8b 3e 48 29 c6 48 89 f0 48 c1 e8 03 42 c6 04 20 fb e8 a6 be ff
RSP: 0018:ffffc90018ff7b10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881855e4000 RCX: ffffea00004e757f
RDX: ffffffff81bbb095 RSI: ffff8880a1efb6c0 RDI: ffff8880108413c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000002e
R10: ffffffff81345eca R11: 000000000000003f R12: dffffc0000000000
R13: ffffc90018ff7b48 R14: ffffea0000000000 R15: ffff8880a1efb6c0
FS:  00007f5a3a52d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880a1efb6c0 CR3: 000000018526e000 CR4: 00000000001526e0
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:444
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slab.h:512 [inline]
 slab_alloc_node mm/slub.c:2981 [inline]
 slab_alloc mm/slub.c:2989 [inline]
 __kmalloc+0x1f4/0x330 mm/slub.c:4133
 kmalloc include/linux/slab.h:596 [inline]
 tomoyo_realpath_from_path+0xc3/0x620 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_number_perm+0x1d5/0x590 security/tomoyo/file.c:723
 security_file_ioctl+0x50/0xb0 security/security.c:1539
 __do_sys_ioctl fs/ioctl.c:1063 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0xb3/0x200 fs/ioctl.c:1055
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466397
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5a3a52b0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5a3a52c130 RCX: 0000000000466397
RDX: 00007f5a3a52c130 RSI: 0000000080085502 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000303 R09: 00007f5a3a52b128
R10: 00007f5a3a52ae57 R11: 0000000000000246 R12: 0000000800000000
R13: 0000000000000000 R14: 0000000000000008 R15: 00000000004cb291
Modules linked in:
CR2: ffff8880a1efb6c0
---[ end trace 26b4a5138db1dd33 ]---
RIP: 0010:qlist_free_all+0x43/0xc0 mm/kasan/quarantine.c:163
Code: 00 00 00 49 be 00 00 00 00 00 ea ff ff 49 89 fd 49 bc 00 00 00 00 00 fc ff df eb 2d 48 63 87 c0 00 00 00 48 c7 c2 95 b0 bb 81 <4c> 8b 3e 48 29 c6 48 89 f0 48 c1 e8 03 42 c6 04 20 fb e8 a6 be ff
RSP: 0018:ffffc90018ff7b10 EFLAGS: 00010246

RAX: 0000000000000000 RBX: ffff8881855e4000 RCX: ffffea00004e757f
RDX: ffffffff81bbb095 RSI: ffff8880a1efb6c0 RDI: ffff8880108413c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000002e
R10: ffffffff81345eca R11: 000000000000003f R12: dffffc0000000000
R13: ffffc90018ff7b48 R14: ffffea0000000000 R15: ffff8880a1efb6c0
FS:  00007f5a3a52d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880a1efb6c0 CR3: 000000018526e000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400