ocfs2: Mounting device (7,7) on (node local, slot 0) with ordered data mode.
=====================================================
BUG: KMSAN: uninit-value in ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1446 [inline]
BUG: KMSAN: uninit-value in ocfs2_claim_suballoc_bits+0x2132/0x3920 fs/ocfs2/suballoc.c:1982
 ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1446 [inline]
 ocfs2_claim_suballoc_bits+0x2132/0x3920 fs/ocfs2/suballoc.c:1982
 ocfs2_claim_metadata+0x172/0x620 fs/ocfs2/suballoc.c:2057
 ocfs2_dx_dir_attach_index+0x16d/0x1310 fs/ocfs2/dir.c:2308
 ocfs2_expand_inline_dir fs/ocfs2/dir.c:3000 [inline]
 ocfs2_extend_dir+0x6569/0x73e0 fs/ocfs2/dir.c:3182
 ocfs2_prepare_dir_for_insert+0x5beb/0x8f00 fs/ocfs2/dir.c:4287
 ocfs2_mknod+0x1277/0x4260 fs/ocfs2/namei.c:294
 ocfs2_create+0xca/0x430 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3649 [inline]
 open_last_lookups fs/namei.c:3748 [inline]
 path_openat+0x2e9e/0x6200 fs/namei.c:3984
 do_filp_open+0x268/0x600 fs/namei.c:4014
 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_creat fs/open.c:1495 [inline]
 __se_sys_creat fs/open.c:1489 [inline]
 __ia32_sys_creat+0xe4/0x140 fs/open.c:1489
 ia32_sys_call+0x38cf/0x4180 arch/x86/include/generated/asm/syscalls_32.h:9
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Uninit was created at:
 __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4774
 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2269
 alloc_pages_noprof mm/mempolicy.c:2348 [inline]
 folio_alloc_noprof+0x1db/0x310 mm/mempolicy.c:2355
 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1009
 __filemap_get_folio+0xac4/0x1550 mm/filemap.c:1951
 grow_dev_folio fs/buffer.c:1039 [inline]
 grow_buffers fs/buffer.c:1105 [inline]
 __getblk_slow fs/buffer.c:1131 [inline]
 bdev_getblk+0x2c9/0xab0 fs/buffer.c:1431
 __getblk include/linux/buffer_head.h:380 [inline]
 sb_getblk include/linux/buffer_head.h:386 [inline]
 ocfs2_read_blocks+0x34d/0x1f00 fs/ocfs2/buffer_head_io.c:236
 ocfs2_map_slot_buffers fs/ocfs2/slot_map.c:385 [inline]
 ocfs2_init_slot_info+0xc4c/0x19c0 fs/ocfs2/slot_map.c:424
 ocfs2_initialize_super fs/ocfs2/super.c:2272 [inline]
 ocfs2_fill_super+0x707c/0x8380 fs/ocfs2/super.c:994
 mount_bdev+0x39a/0x520 fs/super.c:1693
 ocfs2_mount+0x4d/0x60 fs/ocfs2/super.c:1188
 legacy_get_tree+0x114/0x290 fs/fs_context.c:662
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507
 path_mount+0x742/0x1f10 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:4034
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4034
 ia32_sys_call+0x260e/0x4180 arch/x86/include/generated/asm/syscalls_32.h:22
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

CPU: 1 UID: 0 PID: 7392 Comm: syz.7.291 Not tainted 6.13.0-rc2-syzkaller-00031-gf92f4749861b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
=====================================================