qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4119 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 kmem_cache_alloc_noprof+0x1c8/0x3b0 mm/slub.c:4175
 getname_flags.part.0+0x4c/0x550 fs/namei.c:139
 getname_flags include/linux/audit.h:322 [inline]
 getname+0x8d/0xe0 fs/namei.c:223
 do_sys_openat2+0x104/0x1e0 fs/open.c:1396
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1428
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at ./include/linux/page-flags.h:309!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 7727 Comm: syz.1.442 Not tainted 6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:const_folio_flags+0x82/0x100 include/linux/page-flags.h:309
Code: 6c 61 ff 48 c1 e3 06 48 8d 44 1d 00 5b 5d 41 5c c3 cc cc cc cc e8 3e 6c 61 ff 48 c7 c6 c0 09 62 8b 48 89 ef e8 3f 2d a8 ff 90 <0f> 0b e8 27 6c 61 ff be 08 00 00 00 48 89 ef e8 0a e5 c3 ff 48 89
RSP: 0018:ffffc90003127c40 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000d0fb000
RDX: 0000000000080000 RSI: ffffffff8237e211 RDI: ffff888026ec4044
RBP: ffffea0001802040 R08: 0000000000000001 R09: fffffbfff2d37baf
R10: ffffffff969bdd7f R11: 00000000000002c6 R12: 0000000000000001
R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000000
FS:  00007f01a2bd56c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47b8c66d58 CR3: 0000000027efa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 folio_test_head include/linux/page-flags.h:824 [inline]
 folio_test_large include/linux/page-flags.h:845 [inline]
 stable_page_flags+0x4b6/0xbc0 fs/proc/page.c:150
 kpageflags_read+0x145/0x230 fs/proc/page.c:248
 pde_read fs/proc/inode.c:308 [inline]
 proc_reg_read+0x11d/0x330 fs/proc/inode.c:318
 vfs_read+0x1df/0xbe0 fs/read_write.c:563
 ksys_read+0x12b/0x250 fs/read_write.c:708
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f01a4d85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f01a2bd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f01a4f76080 RCX: 00007f01a4d85d29
RDX: 0000000000400000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f01a4e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f01a4f76080 R15: 00007ffd2b9c2378
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:const_folio_flags+0x82/0x100 include/linux/page-flags.h:309
Code: 6c 61 ff 48 c1 e3 06 48 8d 44 1d 00 5b 5d 41 5c c3 cc cc cc cc e8 3e 6c 61 ff 48 c7 c6 c0 09 62 8b 48 89 ef e8 3f 2d a8 ff 90 <0f> 0b e8 27 6c 61 ff be 08 00 00 00 48 89 ef e8 0a e5 c3 ff 48 89
RSP: 0018:ffffc90003127c40 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000d0fb000
RDX: 0000000000080000 RSI: ffffffff8237e211 RDI: ffff888026ec4044
RBP: ffffea0001802040 R08: 0000000000000001 R09: fffffbfff2d37baf
R10: ffffffff969bdd7f R11: 00000000000002c6 R12: 0000000000000001
R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000000
FS:  00007f01a2bd56c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47b8c66d58 CR3: 0000000027efa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400