loop5: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,5) on (node local, slot 0) with writeback data mode.
overlay: ./file1 is not a directory
=====================================================
BUG: KMSAN: uninit-value in ocfs2_check_dir_entry fs/ocfs2/dir.c:308 [inline]
BUG: KMSAN: uninit-value in ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1805 [inline]
BUG: KMSAN: uninit-value in ocfs2_dir_foreach_blk+0x2842/0x2fb0 fs/ocfs2/dir.c:1933
 ocfs2_check_dir_entry fs/ocfs2/dir.c:308 [inline]
 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1805 [inline]
 ocfs2_dir_foreach_blk+0x2842/0x2fb0 fs/ocfs2/dir.c:1933
 ocfs2_readdir+0x314/0x6f0 fs/ocfs2/dir.c:1977
 wrap_directory_iterator+0xd7/0x180 fs/readdir.c:65
 shared_ocfs2_readdir+0x3d/0x50 fs/ocfs2/file.c:2822
 iterate_dir+0x44f/0x620 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:410 [inline]
 __se_sys_getdents64+0x17e/0x550 fs/readdir.c:396
 __x64_sys_getdents64+0x97/0xe0 fs/readdir.c:396
 x64_sys_call+0x3a14/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:5171
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline]
 alloc_pages_noprof mm/mempolicy.c:2507 [inline]
 folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2517
 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1007
 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:1981
 grow_dev_folio fs/buffer.c:1050 [inline]
 grow_buffers fs/buffer.c:1116 [inline]
 __getblk_slow fs/buffer.c:1134 [inline]
 bdev_getblk+0x25a/0xad0 fs/buffer.c:1461
 __getblk include/linux/buffer_head.h:380 [inline]
 sb_getblk include/linux/buffer_head.h:386 [inline]
 ocfs2_block_group_alloc_discontig fs/ocfs2/suballoc.c:626 [inline]
 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:703 [inline]
 ocfs2_reserve_suballoc_bits+0x50da/0x7570 fs/ocfs2/suballoc.c:834
 ocfs2_reserve_new_inode+0x504/0x10f0 fs/ocfs2/suballoc.c:1074
 ocfs2_mknod+0xc6d/0x4cb0 fs/ocfs2/namei.c:306
 ocfs2_create+0xc7/0x430 fs/ocfs2/namei.c:676
 vfs_create+0x3d0/0x670 fs/namei.c:3405
 do_mknodat+0x657/0xbf0 fs/namei.c:4285
 __do_sys_mknod fs/namei.c:4318 [inline]
 __se_sys_mknod fs/namei.c:4316 [inline]
 __x64_sys_mknod+0xc3/0x140 fs/namei.c:4316
 x64_sys_call+0x3988/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:134
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 17884 Comm: syz.5.2651 Tainted: G        W           6.17.0-rc1-syzkaller-00016-g8742b2d8935f #0 PREEMPT(none) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
=====================================================