loop9: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,9) on (node local, slot 0) with ordered data mode. ===================================================== BUG: KMSAN: uninit-value in ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1448 [inline] BUG: KMSAN: uninit-value in ocfs2_claim_suballoc_bits+0x1df2/0x4020 fs/ocfs2/suballoc.c:1996 ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1448 [inline] ocfs2_claim_suballoc_bits+0x1df2/0x4020 fs/ocfs2/suballoc.c:1996 ocfs2_claim_metadata+0x188/0x640 fs/ocfs2/suballoc.c:2082 ocfs2_dx_dir_attach_index+0x163/0x13b0 fs/ocfs2/dir.c:2333 ocfs2_expand_inline_dir fs/ocfs2/dir.c:3025 [inline] ocfs2_extend_dir+0x6c69/0x7a70 fs/ocfs2/dir.c:3207 ocfs2_prepare_dir_for_insert+0x6059/0x9c70 fs/ocfs2/dir.c:4312 ocfs2_symlink+0x1478/0x54f0 fs/ocfs2/namei.c:1875 vfs_symlink+0x1f1/0x470 fs/namei.c:4730 do_symlinkat+0x25f/0xbd0 fs/namei.c:4756 __do_sys_symlink fs/namei.c:4777 [inline] __se_sys_symlink fs/namei.c:4775 [inline] __x64_sys_symlink+0xcf/0x140 fs/namei.c:4775 x64_sys_call+0x2b54/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:89 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_read_blocks_sync+0x1fb/0xf60 fs/ocfs2/buffer_head_io.c:109 ocfs2_read_locked_inode fs/ocfs2/inode.c:579 [inline] ocfs2_iget+0xf09/0x2cf0 fs/ocfs2/inode.c:157 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:142 [inline] ocfs2_get_system_file_inode+0x52b/0xc20 fs/ocfs2/sysfile.c:112 ocfs2_init_local_system_inodes fs/ocfs2/super.c:491 [inline] ocfs2_mount_volume fs/ocfs2/super.c:1756 [inline] ocfs2_fill_super+0x6cf7/0xb2c0 fs/ocfs2/super.c:1083 get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1692 get_tree_bdev+0x38/0x50 fs/super.c:1715 ocfs2_get_tree+0x35/0x40 fs/ocfs2/super.c:1184 vfs_get_tree+0xb3/0x5c0 fs/super.c:1815 do_new_mount+0x733/0x1420 fs/namespace.c:3808 path_mount+0x6db/0x1e90 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4324 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4324 x64_sys_call+0x3604/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:166 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: 0 UID: 0 PID: 8821 Comm: syz.9.789 Tainted: G W syzkaller #0 PREEMPT(none) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 =====================================================