Author: delphij Date: Sat Jan 11 03:59:06 2020 New Revision: 356628 URL: https://svnweb.freebsd.org/changeset/base/356628
Log: Require FAT to occupy at least one sector. Obtained from: Android https://r.android.com/1205830 MFC after: 3 days Modified: head/sbin/fsck_msdosfs/boot.c Modified: head/sbin/fsck_msdosfs/boot.c ============================================================================== --- head/sbin/fsck_msdosfs/boot.c Sat Jan 11 03:18:47 2020 (r356627) +++ head/sbin/fsck_msdosfs/boot.c Sat Jan 11 03:59:06 2020 (r356628) @@ -250,7 +250,7 @@ readboot(int dosfs, struct bootblock *boot) boot->FATsecs = boot->bpbFATsmall; } - if (boot->FATsecs > UINT32_MAX / boot->bpbFATs) { + if (boot->FATsecs < 1 || boot->FATsecs > UINT32_MAX / boot->bpbFATs) { pfatal("Invalid FATs(%u) with FATsecs(%zu)", boot->bpbFATs, (size_t)boot->FATsecs); return FSFATAL; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
