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