diff options
| author | Jakub Wilk <jwilk@jwilk.net> | 2019-03-18 18:34:21 +0100 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-03-25 09:53:56 -0600 |
| commit | cc809ed885097eafff7b711ef03c20261651ec3a (patch) | |
| tree | d0642eb3892d5ffefc8b8c5182cc63db8f396546 | |
| parent | 9834857754fffde7008123503fe8f1d66f526eb5 (diff) | |
Documentation: fix core_pattern max length
The buffer size for core_pattern is 128, but one character is used for
terminating null byte, so the actual limit is 127:
# printf '%0999d' > /proc/sys/kernel/core_pattern
# tr -d '\n' < /proc/sys/kernel/core_pattern | wc -c
127
Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/sysctl/kernel.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index aa058aa7bf28..f0c86fbb3b48 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -196,7 +196,7 @@ CAP_LAST_CAP from the kernel. core_pattern: core_pattern is used to specify a core dumpfile pattern name. -. max length 128 characters; default value is "core" +. max length 127 characters; default value is "core" . core_pattern is used as a pattern template for the output filename; certain string patterns (beginning with '%') are substituted with their actual values. |