=====================================================
BUG: KMSAN: uninit-value in crc_itu_t_byte include/linux/crc-itu-t.h:22 [inline]
BUG: KMSAN: uninit-value in crc_itu_t+0x287/0x2e0 lib/crc-itu-t.c:60
 crc_itu_t_byte include/linux/crc-itu-t.h:22 [inline]
 crc_itu_t+0x287/0x2e0 lib/crc-itu-t.c:60
 udf_update_tag+0x5c/0x2a0 fs/udf/misc.c:261
 udf_rename+0x1202/0x16d0 fs/udf/namei.c:879
 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887
 ovl_do_rename+0x1a8/0x250 fs/overlayfs/overlayfs.h:368
 ovl_copy_up_workdir fs/overlayfs/copy_up.c:810 [inline]
 ovl_do_copy_up fs/overlayfs/copy_up.c:978 [inline]
 ovl_copy_up_one fs/overlayfs/copy_up.c:1168 [inline]
 ovl_copy_up_flags+0x407a/0x6c00 fs/overlayfs/copy_up.c:1223
 ovl_copy_up+0x2f/0x40 fs/overlayfs/copy_up.c:1263
 ovl_setattr+0x1ce/0x8d0 fs/overlayfs/inode.c:41
 notify_change+0x1a07/0x1af0 fs/attr.c:497
 chown_common+0x7f1/0xb90 fs/open.c:790
 do_fchownat+0x1db/0x380 fs/open.c:821
 __do_sys_lchown fs/open.c:846 [inline]
 __se_sys_lchown fs/open.c:844 [inline]
 __x64_sys_lchown+0x9c/0xf0 fs/open.c:844
 x64_sys_call+0x35e1/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:95
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable diriter created at:
 udf_rename+0xbe/0x16d0 fs/udf/namei.c:767
 vfs_rename+0x1d9a/0x2280 fs/namei.c:4887

CPU: 1 PID: 6238 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
=====================================================