Messages in this thread Patch in this message | | | From | Theodore Dubois <> | Subject | [PATCH] mmap.2: mmap with address NULL and MAP_FIXED results in EPERM | Date | Thu, 15 Jun 2017 12:09:01 -0700 |
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This can be verified with a simple test program. I'm not sure if this is a kernel bug or a documentation bug, though... --- man2/mmap.2 | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/man2/mmap.2 b/man2/mmap.2 index d1942b52a..58361c837 100644 --- a/man2/mmap.2 +++ b/man2/mmap.2 @@ -515,6 +515,13 @@ was mounted no-exec. .\" (Since 2.4.25 / 2.6.0.) .TP .B EPERM +The +.I addr +argument is 0 and +.B MAP_FIXED +is specified. +.TP +.B EPERM The operation was prevented by a file seal; see .BR fcntl (2). .TP -- 2.13.1
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