39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From d8d164db5ee217034dea7788263b532114bcd2fd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
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Date: Thu, 2 Mar 2023 15:27:58 +0000
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Subject: [PATCH] libblkid: nvidia_raid: verify superblock size
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
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---
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libblkid/src/superblocks/nvidia_raid.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/libblkid/src/superblocks/nvidia_raid.c b/libblkid/src/superblocks/nvidia_raid.c
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index 5db8ec260..35c663c8d 100644
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--- a/libblkid/src/superblocks/nvidia_raid.c
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+++ b/libblkid/src/superblocks/nvidia_raid.c
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@@ -24,6 +24,8 @@ struct nv_metadata {
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} __attribute__((packed));
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#define NVIDIA_SIGNATURE "NVIDIA"
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+#define NVIDIA_SUPERBLOCK_SIZE 120
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+
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static int probe_nvraid(blkid_probe pr,
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const struct blkid_idmag *mag __attribute__((__unused__)))
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@@ -46,6 +48,8 @@ static int probe_nvraid(blkid_probe pr,
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if (memcmp(nv->vendor, NVIDIA_SIGNATURE, sizeof(NVIDIA_SIGNATURE)-1) != 0)
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return 1;
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+ if (le32_to_cpu(nv->size) * 4 != NVIDIA_SUPERBLOCK_SIZE)
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+ return 1;
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if (blkid_probe_sprintf_version(pr, "%u", le16_to_cpu(nv->version)) != 0)
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return 1;
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if (blkid_probe_set_magic(pr, off, sizeof(nv->vendor),
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--
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2.27.0
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