The patch titled
Subject: argv_split-teach-it-to-handle-mutable-strings-fix
has been removed from the -mm tree. Its filename was
argv_split-teach-it-to-handle-mutable-strings-fix.patch
This patch was dropped because it was folded into argv_split-teach-it-to-handle-mutable-strings.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: argv_split-teach-it-to-handle-mutable-strings-fix
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/argv_split.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN lib/argv_split.c~argv_split-teach-it-to-handle-mutable-strings-fix lib/argv_split.c
--- a/lib/argv_split.c~argv_split-teach-it-to-handle-mutable-strings-fix
+++ a/lib/argv_split.c
@@ -51,6 +51,10 @@ EXPORT_SYMBOL(argv_free);
* considered to be a single argument separator. The returned array
* is always NULL-terminated. Returns NULL on memory allocation
* failure.
+ *
+ * The source string at `str' may be undergoing concurrent alteration via
+ * userspace sysctl activity (at least). The argv_split() implementation
+ * attempts to handle this gracefully by taking a local copy to work on.
*/
char **argv_split(gfp_t gfp, const char *str, int *argcp)
{
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
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