loop3: detected capacity change from 0 to 32768
=====================================================
BUG: KMSAN: uninit-value in __ocfs2_find_path+0x336/0xe40 fs/ocfs2/alloc.c:1826
 __ocfs2_find_path+0x336/0xe40 fs/ocfs2/alloc.c:1826
 ocfs2_find_leaf+0x80/0x250 fs/ocfs2/alloc.c:1938
 ocfs2_get_clusters_nocache+0x190/0x1130 fs/ocfs2/extent_map.c:418
 ocfs2_get_clusters+0x9be/0x1170 fs/ocfs2/extent_map.c:621
 ocfs2_extent_map_get_blocks+0x14e/0x6c0 fs/ocfs2/extent_map.c:668
 ocfs2_read_virt_blocks+0x25d/0xe10 fs/ocfs2/extent_map.c:983
 ocfs2_read_dir_block fs/ocfs2/dir.c:508 [inline]
 ocfs2_find_entry_el fs/ocfs2/dir.c:715 [inline]
 ocfs2_find_entry+0x5b7/0x34b0 fs/ocfs2/dir.c:1080
 ocfs2_find_files_on_disk fs/ocfs2/dir.c:1981 [inline]
 ocfs2_lookup_ino_from_name+0x9d/0x4d0 fs/ocfs2/dir.c:2003
 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:136 [inline]
 ocfs2_get_system_file_inode+0x3fc/0xac0 fs/ocfs2/sysfile.c:112
 ocfs2_init_global_system_inodes+0x588/0xa30 fs/ocfs2/super.c:457
 ocfs2_initialize_super fs/ocfs2/super.c:2248 [inline]
 ocfs2_fill_super+0x6d4e/0x8220 fs/ocfs2/super.c:994
 mount_bdev+0x39a/0x520 fs/super.c:1679
 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:1800
 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:4055 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:4032
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4032
 ia32_sys_call+0x2530/0x40d0 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

Uninit was created at:
 __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4756
 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_sync+0x37f/0x1020 fs/ocfs2/buffer_head_io.c:109
 ocfs2_read_locked_inode fs/ocfs2/inode.c:503 [inline]
 ocfs2_iget+0xf39/0x2cd0 fs/ocfs2/inode.c:159
 ocfs2_init_global_system_inodes+0x5c/0xa30 fs/ocfs2/super.c:437
 ocfs2_initialize_super fs/ocfs2/super.c:2248 [inline]
 ocfs2_fill_super+0x6d4e/0x8220 fs/ocfs2/super.c:994
 mount_bdev+0x39a/0x520 fs/super.c:1679
 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:1800
 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:4055 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:4032
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4032
 ia32_sys_call+0x2530/0x40d0 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: 0 UID: 0 PID: 5802 Comm: syz.3.104 Not tainted 6.12.0-rc1-syzkaller-00330-gfc20a3e57247 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
=====================================================