git: 79a0d14fa05c - main - loader: dosfs fails to access directory data with large cluster number
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Date: Thu, 03 Oct 2024 13:52:34 UTC
The branch main has been updated by tsoome: URL: https://cgit.FreeBSD.org/src/commit/?id=79a0d14fa05c75038caa52099289effb85732f88 commit 79a0d14fa05c75038caa52099289effb85732f88 Author: Toomas Soome <tsoome@FreeBSD.org> AuthorDate: 2024-10-03 11:54:11 +0000 Commit: Toomas Soome <tsoome@FreeBSD.org> CommitDate: 2024-10-03 13:51:59 +0000 loader: dosfs fails to access directory data with large cluster number fsize is using 2 bytes for cluster number, but with fat32 we actually do have 4 bytes and with large disks the high bytes will be in use. illumos issue: https://www.illumos.org/issues/16821 Sponsored by: MNX Cloud, Inc. MFC after: 1 week --- stand/libsa/dosfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/stand/libsa/dosfs.c b/stand/libsa/dosfs.c index 7fbbf65989ae..2ee95bf2c601 100644 --- a/stand/libsa/dosfs.c +++ b/stand/libsa/dosfs.c @@ -815,7 +815,7 @@ fsize(DOS_FS *fs, DOS_DE *de) int n; if (!(size = cv4(de->size)) && de->attr & FA_DIR) { - if (!(c = cv2(de->clus))) { + if (!(c = stclus(fs->fatsz, de))) { size = fs->dirents * sizeof(DOS_DE); } else { if ((n = fatcnt(fs, c)) == -1)