25 lines
852 B
Diff
25 lines
852 B
Diff
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From 7ebfe9b411c12223a2500ca62d6be37c48e2d83d Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Thu, 2 Jun 2022 16:02:54 +0200
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Subject: [PATCH] libblkid: (hfs) fix make sure buffer is large enough
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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libblkid/src/superblocks/ntfs.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/libblkid/src/superblocks/ntfs.c b/libblkid/src/superblocks/ntfs.c
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index 9f1927cf74..b5799c3e33 100644
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--- a/libblkid/src/superblocks/ntfs.c
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+++ b/libblkid/src/superblocks/ntfs.c
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@@ -158,6 +158,9 @@ static int __probe_ntfs(blkid_probe pr, const struct blkid_idmag *mag, int save_
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sectors_per_cluster, nr_clusters,
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off));
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+ if (mft_record_size < 4)
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+ return 1;
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+
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buf_mft = blkid_probe_get_buffer(pr, off, mft_record_size);
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if (!buf_mft)
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return errno ? -errno : 1;
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