===================================================== 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 do_renameat2+0x18cc/0x1d50 fs/namei.c:5044 __do_sys_renameat2 fs/namei.c:5078 [inline] __se_sys_renameat2 fs/namei.c:5075 [inline] __x64_sys_renameat2+0x153/0x200 fs/namei.c:5075 x64_sys_call+0x2993/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:317 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: 6158 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 =====================================================