exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xa17e92ff, utbl_chksum : 0xe619d30d)
=====================================================
BUG: KMSAN: uninit-value in exfat_set_entry_time+0x2dc/0x320 fs/exfat/misc.c:99
 exfat_set_entry_time+0x2dc/0x320 fs/exfat/misc.c:99
 __exfat_write_inode+0x7ca/0xdd0 fs/exfat/inode.c:59
 __exfat_truncate+0x73f/0xb10 fs/exfat/file.c:163
 exfat_truncate+0x116/0x540 fs/exfat/file.c:211
 exfat_setattr+0x119d/0x19f0 fs/exfat/file.c:312
 notify_change+0x19fd/0x1af0 fs/attr.c:499
 do_truncate+0x22a/0x2a0 fs/open.c:66
 do_coredump+0x47a5/0x4920 fs/coredump.c:741
 get_signal+0x2185/0x2d10 kernel/signal.c:2890
 arch_do_signal_or_restart+0x53/0xca0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0xe8/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x163/0x220 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x2a/0x140 kernel/entry/common.c:296
 __do_fast_syscall_32+0xb1/0x100 arch/x86/entry/common.c:233
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Local variable ts created at:
 __exfat_write_inode+0x105/0xdd0 fs/exfat/inode.c:29
 __exfat_truncate+0x73f/0xb10 fs/exfat/file.c:163

CPU: 1 PID: 5288 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
=====================================================