The patch titled
lib/vsprintf.c: fix invalid arg check
has been added to the -mm tree. Its filename is
lib-vsprintf-fix-invalid-arg-check.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: lib/vsprintf.c: fix invalid arg check
From: Vasiliy Kulikov <segooon@xxxxxxxxx>
"size" is size_t. If we want to check whether it was underflowed then we
should cast it to ssize_t instead of int. When sizeof(size_t) >
sizeof(int) the code sees UINT_MAX as underflow, but it is not.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
Cc: Andr Goddard Rosa <andre.goddard@xxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/vsprintf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN lib/vsprintf.c~lib-vsprintf-fix-invalid-arg-check lib/vsprintf.c
--- a/lib/vsprintf.c~lib-vsprintf-fix-invalid-arg-check
+++ a/lib/vsprintf.c
@@ -1290,7 +1290,7 @@ int vsnprintf(char *buf, size_t size, co
/* Reject out-of-range values early. Large positive sizes are
used for unknown buffer sizes. */
- if (WARN_ON_ONCE((int) size < 0))
+ if (WARN_ON_ONCE((ssize_t) size < 0))
return 0;
str = buf;
_
Patches currently in -mm which might be from segooon@xxxxxxxxx are
origin.patch
linux-next.patch
drivers-misc-apds9802alsc-fix-signedness-bug.patch
lib-vsprintf-fix-invalid-arg-check.patch
memstick-core-fix-device_register-error-handling.patch
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