=====================================================
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_write_inode+0xd9/0x180 fs/exfat/inode.c:97
 write_inode fs/fs-writeback.c:1473 [inline]
 __writeback_single_inode+0x843/0x12b0 fs/fs-writeback.c:1690
 writeback_single_inode+0x57b/0xb30 fs/fs-writeback.c:1746
 sync_inode_metadata+0x9b/0xd0 fs/fs-writeback.c:2808
 __generic_file_fsync+0x27a/0x440 fs/libfs.c:1451
 exfat_file_fsync+0x84/0x250 fs/exfat/file.c:465
 vfs_fsync_range+0x201/0x250 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2653 [inline]
 generic_file_write_iter+0x479/0x5b0 mm/filemap.c:4043
 do_iter_write+0xceb/0x1340 fs/read_write.c:860
 vfs_iter_write+0x8e/0xe0 fs/read_write.c:901
 iter_file_splice_write+0xbfd/0x16a0 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0x133/0x1e0 fs/splice.c:1142
 splice_direct_to_actor+0x502/0xfa0 fs/splice.c:1088
 do_splice_direct+0x26a/0x3d0 fs/splice.c:1194
 do_sendfile+0xbde/0x1b50 fs/read_write.c:1254
 __do_compat_sys_sendfile fs/read_write.c:1343 [inline]
 __se_compat_sys_sendfile+0x244/0x2d0 fs/read_write.c:1326
 __ia32_compat_sys_sendfile+0xbd/0x110 fs/read_write.c:1326
 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230
 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_write_inode+0xd9/0x180 fs/exfat/inode.c:97

CPU: 0 PID: 7108 Comm: syz-executor.2 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
=====================================================