===================================================== 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:1407 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 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x8ef/0x1490 fs/read_write.c:584 ksys_write+0x20f/0x4c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __ia32_sys_write+0x91/0xd0 fs/read_write.c:646 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: 5828 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15029-gbe3ca57cfb77 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 =====================================================