From cc809ed885097eafff7b711ef03c20261651ec3a Mon Sep 17 00:00:00 2001 From: Jakub Wilk Date: Mon, 18 Mar 2019 18:34:21 +0100 Subject: [PATCH] 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 Signed-off-by: Jonathan Corbet --- Documentation/sysctl/kernel.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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.