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From dfc6dc25fcc666ed3fa938bca5ccd87d6cf4a99e Mon Sep 17 00:00:00 2001
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Mon, 29 Apr 2019 20:08:08 +0200
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Subject: [PATCH] lib/fs: Fix format string in find_fs_mount()
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1465646
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Upstream Status: iproute2.git commit eab450789829e
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commit eab450789829e33a64dbd08dced3438d580d5179
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Author: Phil Sutter <phil@nwl.cc>
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Date: Thu Aug 24 11:51:46 2017 +0200
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lib/fs: Fix format string in find_fs_mount()
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A field width of 4096 allows fscanf() to store that amount of characters
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into the given buffer, though that doesn't include the terminating NULL
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byte. Decrease the value by one to leave space for it.
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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---
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lib/fs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/lib/fs.c b/lib/fs.c
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index c59ac564581d0..1ff881ecfcd8c 100644
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--- a/lib/fs.c
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+++ b/lib/fs.c
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@@ -45,7 +45,7 @@ static char *find_fs_mount(const char *fs_to_find)
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return NULL;
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}
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- while (fscanf(fp, "%*s %4096s %127s %*s %*d %*d\n",
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+ while (fscanf(fp, "%*s %4095s %127s %*s %*d %*d\n",
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path, fstype) == 2) {
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if (strcmp(fstype, fs_to_find) == 0) {
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mnt = strdup(path);
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--
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2.21.0
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