From: <lihua.zhao.cn@windriver.com>
To: <musl@lists.openwall.com>
Cc: <lihua.zhao.cn@windriver.com>
Subject: [musl] [PATCH] mman: correct length check in __shm_mapname
Date: Tue, 5 Nov 2024 09:06:33 +0800 [thread overview]
Message-ID: <20241105010633.1512010-1-lihua.zhao.cn@windriver.com> (raw)
From: Lihua Zhao <lihua.zhao.cn@windriver.com>
changed the length check from `p-name > NAME_MAX` to
`p-name >= NAME_MAX` to correctly account for the null terminator.
Signed-off-by: Lihua Zhao <lihua.zhao.cn@windriver.com>
---
src/mman/shm_open.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mman/shm_open.c b/src/mman/shm_open.c
index 79784bd3..2359f067 100644
--- a/src/mman/shm_open.c
+++ b/src/mman/shm_open.c
@@ -15,7 +15,7 @@ char *__shm_mapname(const char *name, char *buf)
errno = EINVAL;
return 0;
}
- if (p-name > NAME_MAX) {
+ if (p-name >= NAME_MAX) {
errno = ENAMETOOLONG;
return 0;
}
--
2.43.0
next reply other threads:[~2024-11-05 1:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-05 1:06 lihua.zhao.cn [this message]
2024-11-05 1:46 ` Rich Felker
2024-11-05 2:03 ` Zhao, Lihua (CN)
2024-11-05 3:00 ` Rich Felker
2024-11-05 4:56 ` [musl] [PATCH v2] " lihua.zhao.cn
2024-11-05 5:15 ` Rich Felker
2024-11-05 6:06 ` Zhao, Lihua (CN)
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