UDF-fs: error (device loop3): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
=====================================================
BUG: KMSAN: uninit-value in udf_name_from_CS0+0x15aa/0x1ab0 fs/udf/unicode.c:250
 udf_name_from_CS0+0x15aa/0x1ab0 fs/udf/unicode.c:250
 udf_get_filename+0xa4/0x150 fs/udf/unicode.c:390
 udf_pc_to_char fs/udf/symlink.c:82 [inline]
 udf_symlink_filler+0x67c/0x1080 fs/udf/symlink.c:132
 filemap_read_folio+0xd4/0x390 mm/filemap.c:2424
 do_read_cache_folio+0x53f/0xc30 mm/filemap.c:3683
 do_read_cache_page mm/filemap.c:3749 [inline]
 read_cache_page+0x63/0x260 mm/filemap.c:3758
 read_mapping_page include/linux/pagemap.h:769 [inline]
 udf_symlink_getattr+0xac/0x650 fs/udf/symlink.c:157
 vfs_getattr_nosec+0x54a/0xc00 fs/stat.c:133
 vfs_getattr fs/stat.c:170 [inline]
 vfs_statx+0x26d/0x730 fs/stat.c:242
 vfs_fstatat fs/stat.c:276 [inline]
 vfs_lstat include/linux/fs.h:2871 [inline]
 __do_compat_sys_newlstat fs/stat.c:746 [inline]
 __se_compat_sys_newlstat fs/stat.c:740 [inline]
 __ia32_compat_sys_newlstat+0xf1/0x210 fs/stat.c:740
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 __alloc_pages+0x9f6/0xe90 mm/page_alloc.c:5614
 alloc_pages+0xab0/0xd80 mm/mempolicy.c:2283
 folio_alloc+0x42/0x120 mm/mempolicy.c:2293
 filemap_alloc_folio+0xb2/0x460 mm/filemap.c:976
 do_read_cache_folio+0x310/0xc30 mm/filemap.c:3647
 do_read_cache_page mm/filemap.c:3749 [inline]
 read_cache_page+0x63/0x260 mm/filemap.c:3758
 read_mapping_page include/linux/pagemap.h:769 [inline]
 udf_symlink_getattr+0xac/0x650 fs/udf/symlink.c:157
 vfs_getattr_nosec+0x54a/0xc00 fs/stat.c:133
 vfs_getattr fs/stat.c:170 [inline]
 vfs_statx+0x26d/0x730 fs/stat.c:242
 vfs_fstatat fs/stat.c:276 [inline]
 vfs_lstat include/linux/fs.h:2871 [inline]
 __do_compat_sys_newlstat fs/stat.c:746 [inline]
 __se_compat_sys_newlstat fs/stat.c:740 [inline]
 __ia32_compat_sys_newlstat+0xf1/0x210 fs/stat.c:740
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

CPU: 1 PID: 15681 Comm: syz-executor.3 Not tainted 6.3.0-rc3-syzkaller-g90ea0df61c98 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
=====================================================