=====================================================
BUG: KMSAN: uninit-value in udf_get_fileshortad+0x174/0x1c0 fs/udf/directory.c:504
 udf_get_fileshortad+0x174/0x1c0 fs/udf/directory.c:504
 udf_current_aext+0x6cb/0x950 fs/udf/inode.c:2223
 udf_next_aext+0x94/0x500 fs/udf/inode.c:2169
 udf_discard_prealloc+0x47c/0x830 fs/udf/truncate.c:135
 udf_release_file+0xfd/0x160 fs/udf/file.c:184
 __fput+0x32c/0x1120 fs/file_table.c:431
 ____fput+0x25/0x30 fs/file_table.c:459
 task_work_run+0x268/0x310 kernel/task_work.c:228
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x170 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

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
 __bread_gfp+0x93/0x730 fs/buffer.c:1491
 sb_bread include/linux/buffer_head.h:346 [inline]
 udf_next_aext+0x302/0x500 fs/udf/inode.c:2184
 udf_discard_prealloc+0x47c/0x830 fs/udf/truncate.c:135
 udf_release_file+0xfd/0x160 fs/udf/file.c:184
 __fput+0x32c/0x1120 fs/file_table.c:431
 ____fput+0x25/0x30 fs/file_table.c:459
 task_work_run+0x268/0x310 kernel/task_work.c:228
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x170 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 5974 Comm: syz.0.15 Not tainted 6.11.0-syzkaller-11993-g3efc57369a0c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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