diff options
Diffstat (limited to 'gnu/packages/patches/less-hurd-path-max.patch')
| -rw-r--r-- | gnu/packages/patches/less-hurd-path-max.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gnu/packages/patches/less-hurd-path-max.patch b/gnu/packages/patches/less-hurd-path-max.patch new file mode 100644 index 0000000000..4d23a08788 --- /dev/null +++ b/gnu/packages/patches/less-hurd-path-max.patch @@ -0,0 +1,36 @@ +Avoid usage of PATH_MAX. + +Submitted to bug-less@gnu.org. + +From ef652341ed8b2c14ac40312ccd4ed329cb69fd0c Mon Sep 17 00:00:00 2001 +From: Jan Nieuwenhuizen <janneke@gnu.org> +Date: Sat, 7 Mar 2020 14:57:19 +0100 +Subject: [PATCH] Avoid usage of PATH_MAX. + +* filename.c (lrealpath): Have realpath allocate the buffer. Fixes +compilation on the Hurd and avoids possible buffer overflow on other +systems. +--- + filename.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/filename.c b/filename.c +index e420837..faa71b0 100644 +--- a/filename.c ++++ b/filename.c +@@ -795,9 +795,9 @@ lrealpath(path) + char *path; + { + #if HAVE_REALPATH +- char rpath[PATH_MAX]; +- if (realpath(path, rpath) != NULL) +- return (save(rpath)); ++ char *rpath = NULL; ++ if ((rpath = realpath(path, rpath)) != NULL) ++ return (rpath); + #endif + return (save(path)); + } +-- +2.24.0 + |