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Date: Fri, 11 Aug 2017 22:55:22 -0400
From: Daniel Sabogal <dsabogalcc@...il.com>
To: musl@...ts.openwall.com
Subject: [PATCH] fix signed overflow in ftok
---
src/ipc/ftok.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/ipc/ftok.c b/src/ipc/ftok.c
index cd6002ed..c36b4b60 100644
--- a/src/ipc/ftok.c
+++ b/src/ipc/ftok.c
@@ -6,5 +6,5 @@ key_t ftok(const char *path, int id)
struct stat st;
if (stat(path, &st) < 0) return -1;
- return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xff) << 24));
+ return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xffu) << 24));
}
--
2.14.0
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