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Message-ID: <1476699865-5593-1-git-send-email-rostislav@tuxera.com>
Date: Mon, 17 Oct 2016 10:24:25 +0000
From: Rostislav Skudnov <rostislav@...era.com>
To: <musl@...ts.openwall.com>
Subject: [PATCH] increase buffer size in getmntent to 4096 bytes
getmntent fails if the length of the mount entry exceeds the buffer
size. The new buffer size matches that of glibc.
---
Even after this patch, getmntent may still fail since the device and mount
paths may be up to PATH_MAX in length, and the mount options may
(theoretically) have unlimited length. The same would happen in glibc, though.
src/misc/mntent.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/misc/mntent.c b/src/misc/mntent.c
index a16d652..5adb583 100644
--- a/src/misc/mntent.c
+++ b/src/misc/mntent.c
@@ -49,7 +49,7 @@ struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int bufle
struct mntent *getmntent(FILE *f)
{
- static char linebuf[256];
+ static char linebuf[4096];
static struct mntent mnt;
return getmntent_r(f, &mnt, linebuf, sizeof linebuf);
}
--
2.1.4
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