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Chris LuandGitHub
64af80c78d
Mkdir was masking in.Mode with wfs.option.Umask on top of the kernel's VFS umask pass, so a caller with umask=0 who requested mkdir(0777) got 0755 (0777 & ~022). Create and Symlink don't apply this second pass — Mkdir was the odd one out. The resulting dirs had fewer write bits than the caller asked for, which broke cross-user rename permission checks (kernel may_delete rejects with EACCES when the parent lacks o+w even though the caller explicitly requested it) and blocked pjdfstest tests/rename/21.t and its cascading checks. Drop the extra umask so Mkdir trusts in.Mode exactly like Create. The CLI -umask flag still covers the internal cache dirs that the mount creates for itself via os.MkdirAll; only the user-facing Mkdir path changes. Unblocks tests/rename/21.t — full pjdfstest suite is now 236 files / 8819 tests, all PASS, and known_failures.txt is empty.