f1b7707f26
For issue RHEL-40729, patch 0142 fixes it. For issue RHEL-31448, patch 0125 fixes it. Resolves: RHEL-31448,RHEL-40729,RHEL-52059 Signed-off-by: Xiao Ni <xni@redhat.com>
47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
From 0af8c9ebf50b68ad5f80efad7e94688235544a3d Mon Sep 17 00:00:00 2001
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From: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Date: Thu, 4 Jul 2024 14:53:35 +0200
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Subject: [PATCH 130/201] super0: use define for char array in examine_super0
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Using nb with 11 length may cause format-truncation errors,
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because it was possible to use snprintf with 12 length input
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and write it to 11 length output. Added new define and use it
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to avoid this error.
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Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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---
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mdadm.h | 3 +++
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super0.c | 2 +-
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2 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/mdadm.h b/mdadm.h
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index 27009154..22d5e8f4 100644
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--- a/mdadm.h
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+++ b/mdadm.h
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@@ -2021,6 +2021,9 @@ enum r0layout {
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#define PATH_MAX 4096
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#endif
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+/* The max string length necessary for decimal conversion, cannot be longer than count of bits */
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+#define INT_2_DEC_STR_MAX (sizeof(int) * 8)
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+
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#define RESYNC_NONE -1
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#define RESYNC_DELAYED -2
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#define RESYNC_PENDING -3
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diff --git a/super0.c b/super0.c
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index 9b8a1bd6..9b4e187e 100644
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--- a/super0.c
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+++ b/super0.c
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@@ -229,7 +229,7 @@ static void examine_super0(struct supertype *st, char *homehost)
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d++) {
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mdp_disk_t *dp;
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char *dv;
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- char nb[11];
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+ char nb[INT_2_DEC_STR_MAX];
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int wonly, failfast;
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if (d>=0) dp = &sb->disks[d];
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else dp = &sb->this_disk;
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--
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2.41.0
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