------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5831 Comm: udevd Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__phys_addr+0x99/0x100 arch/x86/mm/physaddr.c:28
Code: 84 d2 75 28 0f b6 0d 77 be 21 0f 80 f9 3f 0f 87 f7 1d 67 ff 48 89 e8 48 d3 e8 48 85 c0 75 0a 48 89 e8 5b 5d e9 58 46 de 09 90 <0f> 0b 48 c7 c7 e1 d2 db 90 e8 99 90 ba 00 eb ca 48 c7 c0 10 f0 5b
RSP: 0018:ffffc900040a7c38 EFLAGS: 00010287
RAX: 0800778080000000 RBX: 0800000080000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8df4f579 RDI: 0800000000000000
RBP: 0800778000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0800000000000000
R13: 0000000000000000 R14: ffffc900040a7c80 R15: 00000000000000c0
FS: 00007fef6bfb5880(0000) GS:ffff8881243f6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000074630000 CR4: 00000000003526f0
Call Trace:
<TASK>
virt_to_slab mm/slab.h:168 [inline]
qlink_to_cache mm/kasan/quarantine.c:131 [inline]
qlist_free_all+0x5f/0xf0 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4569 [inline]
slab_alloc_node mm/slub.c:4898 [inline]
kmem_cache_alloc_noprof+0x241/0x6e0 mm/slub.c:4905
alloc_filename fs/namei.c:142 [inline]
do_getname+0x35/0x390 fs/namei.c:182
getname include/linux/fs.h:2533 [inline]
class_filename_constructor include/linux/fs.h:2560 [inline]
do_sys_openat2+0xc5/0x1e0 fs/open.c:1363
do_sys_open fs/open.c:1370 [inline]
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__x64_sys_openat+0x12d/0x210 fs/open.c:1381
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fef6b8a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd3bac3480 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fef6bfb5880 RCX: 00007fef6b8a7407
RDX: 0000000000080000 RSI: 0000564e1826ba30 RDI: ffffffffffffff9c
RBP: 0000564e1826ba30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000009
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x99/0x100 arch/x86/mm/physaddr.c:28
Code: 84 d2 75 28 0f b6 0d 77 be 21 0f 80 f9 3f 0f 87 f7 1d 67 ff 48 89 e8 48 d3 e8 48 85 c0 75 0a 48 89 e8 5b 5d e9 58 46 de 09 90 <0f> 0b 48 c7 c7 e1 d2 db 90 e8 99 90 ba 00 eb ca 48 c7 c0 10 f0 5b
RSP: 0018:ffffc900040a7c38 EFLAGS: 00010287
RAX: 0800778080000000 RBX: 0800000080000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8df4f579 RDI: 0800000000000000
RBP: 0800778000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0800000000000000
R13: 0000000000000000 R14: ffffc900040a7c80 R15: 00000000000000c0
FS: 00007fef6bfb5880(0000) GS:ffff8881243f6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b29a4fff8 CR3: 0000000074630000 CR4: 00000000003526f0