------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5459 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller-00282-g1973160c90d7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28
Code: 4d ba 00 e9 3d ff ff ff e8 53 12 53 00 48 c7 c7 e0 bb 9a 8e 4c 89 f6 4c 89 fa e8 f1 4e bf 03 e9 45 ff ff ff e8 37 12 53 00 90 <0f> 0b e8 2f 12 53 00 90 0f 0b e8 27 12 53 00 90 0f 0b 0f 1f 40 00
RSP: 0018:ffffc9000293fcd8 EFLAGS: 00010293
RAX: ffffffff816eace9 RBX: 035e000980000010 RCX: ffff88801f89c880
RDX: 0000000000000000 RSI: 035e000980000010 RDI: 035e778900000010
RBP: 0000000000000000 R08: ffffffff816eabdb R09: ffffffff82290b7f
R10: dffffc0000000000 R11: fffffbfff28a930f R12: 035e000900000010
R13: ffffea0000000000 R14: 035e778900000010 R15: 0000000000000000
FS:  000055555c36a500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555c3855c8 CR3: 00000000563fa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 virt_to_folio include/linux/mm.h:1295 [inline]
 virt_to_slab mm/slab.h:211 [inline]
 qlink_to_cache mm/kasan/quarantine.c:131 [inline]
 qlist_free_all+0x3d/0x140 mm/kasan/quarantine.c:176
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4171
 getname_flags+0xb7/0x540 fs/namei.c:139
 user_path_at+0x24/0x60 fs/namei.c:3071
 ksys_umount fs/namespace.c:2071 [inline]
 __do_sys_umount fs/namespace.c:2079 [inline]
 __se_sys_umount fs/namespace.c:2077 [inline]
 __x64_sys_umount+0xf1/0x170 fs/namespace.c:2077
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79f6b8e497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc684e6eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007f79f6c0e08c RCX: 00007f79f6b8e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc684e6f70
RBP: 00007ffc684e6f70 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc684e8000
R13: 00007f79f6c0e08c R14: 00000000000428ca R15: 00007ffc684e8040
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28
Code: 4d ba 00 e9 3d ff ff ff e8 53 12 53 00 48 c7 c7 e0 bb 9a 8e 4c 89 f6 4c 89 fa e8 f1 4e bf 03 e9 45 ff ff ff e8 37 12 53 00 90 <0f> 0b e8 2f 12 53 00 90 0f 0b e8 27 12 53 00 90 0f 0b 0f 1f 40 00
RSP: 0018:ffffc9000293fcd8 EFLAGS: 00010293
RAX: ffffffff816eace9 RBX: 035e000980000010 RCX: ffff88801f89c880
RDX: 0000000000000000 RSI: 035e000980000010 RDI: 035e778900000010
RBP: 0000000000000000 R08: ffffffff816eabdb R09: ffffffff82290b7f
R10: dffffc0000000000 R11: fffffbfff28a930f R12: 035e000900000010
R13: ffffea0000000000 R14: 035e778900000010 R15: 0000000000000000
FS:  000055555c36a500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555c3855c8 CR3: 00000000563fa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400