linuxulator: return EBADF for O_PATH mmap()

This fixes LTP open13, which expects O_PATH mmap() to fail
with EBADF, but FreeBSD returned EACCES.

Signed-off-by:	YAO, Xin <mr.yaoxin@outlook.com>
PR:		295571
Reviewed by: 	kib
Pull-Request:	https://github.com/freebsd/freebsd-src/pull/2233

This commit is contained in:

YAO, Xin

2026-05-07 14:39:16 +08:00

committed by

Pouria Mousavizadeh Tehrani

parent a172f9e5b3

commit 30c85b7cb9

1 changed files with 4 additions and 0 deletions

									
										sys/compat/linux/linux_mmap.c
									
		+4
		
												View File
												
				@@ -63,6 +63,10 @@ static int

				linux_mmap_check_fp(struct file *fp, int flags, int prot, int maxprot)

				{

					/* Linux returns EBADF if mmap() is called on an O_PATH file descriptor */

					if (fp->f_ops == &path_fileops)

						return (EBADF);

					/* Linux mmap() just fails for O_WRONLY files */

					if ((fp->f_flag & FREAD) == 0)

						return (EACCES);