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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-06-11 12:04:26 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-06-29 07:06:29 +0200 |
| commit | 408c8172e4ee7fb34a9f2473b951f1b12f7d171d (patch) | |
| tree | 7047005b00789a4f31648a06080a9a05bd8701bb | |
| parent | b02b4b74d57a7ff82b445f552e71a9938be91d2a (diff) | |
| download | man-pages-408c8172e4ee7fb34a9f2473b951f1b12f7d171d.tar.gz | |
process_vm_readv.2: Rephrase permission rules in terms of a ptrace access mode check
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/process_vm_readv.2 | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/man2/process_vm_readv.2 b/man2/process_vm_readv.2 index a9605a8860..7aa726457b 100644 --- a/man2/process_vm_readv.2 +++ b/man2/process_vm_readv.2 @@ -209,19 +209,11 @@ entry. The first read entry goes up to the page boundary, while the second starts on the next page boundary.) -In order to read from or write to another process, -either the caller must have the capability -.BR CAP_SYS_PTRACE , -or -the real user ID, effective user ID, and saved set-user-ID -of the remote process must match the real user ID of the caller -.I and -the real group ID, effective group ID, and saved set-group-ID -of the remote process must match the real group ID of the caller. -(The permission required is exactly the same as that required to perform a -.BR ptrace (2) -.BR PTRACE_ATTACH -on the remote process.) +Permission to read from or write to another process +is governed by a ptrace access mode +.B PTRACE_MODE_ATTACH_REALCREDS +check; see +.BR ptrace (2). .SH RETURN VALUE On success, .BR process_vm_readv () |