loop8: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,8) on (node local, slot 0) with ordered data mode.
=====================================================
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:1784 [inline]
BUG: KMSAN: uninit-value in ocfs2_dir_foreach_blk+0x2689/0x2ce0 fs/ocfs2/dir.c:1912
 ocfs2_check_dir_entry fs/ocfs2/dir.c:308 [inline]
 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1784 [inline]
 ocfs2_dir_foreach_blk+0x2689/0x2ce0 fs/ocfs2/dir.c:1912
 ocfs2_readdir+0x2c6/0x6b0 fs/ocfs2/dir.c:1956
 wrap_directory_iterator+0xf3/0x190 fs/readdir.c:65
 shared_ocfs2_readdir+0x3c/0x50 fs/ocfs2/file.c:2818
 iterate_dir+0x5b3/0x9e0 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0x170/0x540 fs/readdir.c:389
 __x64_sys_getdents64+0x96/0xe0 fs/readdir.c:389
 x64_sys_call+0x3b0f/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4774
 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2265
 alloc_pages_noprof mm/mempolicy.c:2345 [inline]
 folio_alloc_noprof+0x1db/0x310 mm/mempolicy.c:2352
 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1010
 __filemap_get_folio+0xac4/0x1550 mm/filemap.c:1952
 grow_dev_folio fs/buffer.c:1043 [inline]
 grow_buffers fs/buffer.c:1109 [inline]
 __getblk_slow fs/buffer.c:1135 [inline]
 bdev_getblk+0x2c9/0xab0 fs/buffer.c:1437
 __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_read_block fs/ocfs2/buffer_head_io.h:52 [inline]
 ocfs2_read_group_descriptor fs/ocfs2/suballoc.c:303 [inline]
 ocfs2_search_chain+0x1eb/0x3a60 fs/ocfs2/suballoc.c:1810
 ocfs2_claim_suballoc_bits+0x239b/0x3920 fs/ocfs2/suballoc.c:1985
 ocfs2_claim_new_inode+0x4e4/0xa80 fs/ocfs2/suballoc.c:2267
 ocfs2_mknod_locked+0xdd/0x350 fs/ocfs2/namei.c:633
 ocfs2_mknod+0x27a1/0x4260 fs/ocfs2/namei.c:379
 ocfs2_create+0xca/0x430 fs/ocfs2/namei.c:672
 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:1398
 do_sys_open fs/open.c:1413 [inline]
 __do_sys_openat fs/open.c:1429 [inline]
 __se_sys_openat fs/open.c:1424 [inline]
 __x64_sys_openat+0x2a1/0x310 fs/open.c:1424
 x64_sys_call+0x36f5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:258
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 10465 Comm: syz.8.1396 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
=====================================================