===================================================== 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_write_failed fs/exfat/inode.c:362 [inline] exfat_write_begin+0x254/0x340 fs/exfat/inode.c:378 generic_perform_write+0x3f5/0xc40 mm/filemap.c:3918 __generic_file_write_iter+0x20a/0x460 mm/filemap.c:4013 generic_file_write_iter+0x103/0x5b0 mm/filemap.c:4039 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_truncate+0x73f/0xb10 fs/exfat/file.c:163 CPU: 1 PID: 6113 Comm: syz-executor.1 Not tainted 6.6.0-syzkaller-14500-g1c41041124bd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 =====================================================