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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-06-11 11:06:03 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-06-29 07:06:29 +0200 |
| commit | d8e2972ab84c47454e243902891c77e612545a6a (patch) | |
| tree | f13c53d5fe206638005ff3f50e959189dc73108e | |
| parent | a62e0e012d50c193451a1d76e27bee87c1af2131 (diff) | |
| download | man-pages-d8e2972ab84c47454e243902891c77e612545a6a.tar.gz | |
proc.5: /proc/PID/io is governed by PTRACE_MODE_READ_FSCREDS
Permission to access /proc/PID/io is governed by
a PTRACE_MODE_READ_FSCREDS ptrace access mode check.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man5/proc.5 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/man5/proc.5 b/man5/proc.5 index fb3a952631..21011b76fd 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -903,6 +903,11 @@ if process A reads process B's .I /proc/[pid]/io while process B is updating one of these 64-bit counters, process A could see an intermediate result. + +Permission to access this file is governed by a ptrace access mode +.B PTRACE_MODE_READ_FSCREDS +check; see +.BR ptrace (2). .TP .IR /proc/[pid]/gid_map " (since Linux 3.5)" See |