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| author | jhb <jhb@FreeBSD.org> | 2010-03-23 21:08:07 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2010-03-23 21:08:07 +0000 |
| commit | 399c01844ad297de82f83cc99f989358723baf51 (patch) | |
| tree | f24618d081cc374b0fccc722d1b306336d6a1030 /lib/libc/sys/mmap.2 | |
| parent | d34fe86cb588bb8f80548a0a68036135b45eb07f (diff) | |
| download | FreeBSD-src-399c01844ad297de82f83cc99f989358723baf51.zip FreeBSD-src-399c01844ad297de82f83cc99f989358723baf51.tar.gz | |
Reject attempts to create a MAP_ANON mapping with a non-zero offset.
PR: kern/71258
Submitted by: Alexander Best
MFC after: 2 weeks
Diffstat (limited to 'lib/libc/sys/mmap.2')
| -rw-r--r-- | lib/libc/sys/mmap.2 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2 index 4849973..b633cb1 100644 --- a/lib/libc/sys/mmap.2 +++ b/lib/libc/sys/mmap.2 @@ -105,7 +105,7 @@ The file descriptor used for creating must be \-1. The .Fa offset -argument is ignored. +argument must be 0. .\".It Dv MAP_FILE .\"Mapped from a regular file or character-special device memory. .It Dv MAP_ANONYMOUS @@ -316,6 +316,11 @@ was equal to zero. was specified and the .Fa fd argument was not -1. +.It Bq Er EINVAL +.Dv MAP_ANON +was specified and the +.Fa offset +argument was not 0. .It Bq Er ENODEV .Dv MAP_ANON has not been specified and |
