On Tue, Dec 08, 2020 at 04:45:46PM -0600, Glenn Washburn wrote: > Signed-off-by: Glenn Washburn <developm...@efficientek.com>
Reviewed-by: Patrick Steinhardt <p...@pks.im> > --- > grub-core/disk/luks2.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/grub-core/disk/luks2.c b/grub-core/disk/luks2.c > index 8cb11e899..c737797b9 100644 > --- a/grub-core/disk/luks2.c > +++ b/grub-core/disk/luks2.c > @@ -629,6 +629,17 @@ luks2_recover_key (grub_disk_t source, > > grub_dprintf ("luks2", "Trying keyslot \"%"PRIuGRUB_UINT64_T"\"\n", > keyslot.idx); > > + /* Sector size should be one of 512, 1024, 2048, or 4096. */ > + if (!(segment.sector_size == 512 || segment.sector_size == 1024 || > + segment.sector_size == 2048 || segment.sector_size == 4096)) > + { > + grub_dprintf ("luks2", "Segment \"%"PRIuGRUB_UINT64_T"\" sector" > + " size %"PRIuGRUB_UINT64_T" is not one of" > + " 512, 1024, 2048, or 4096\n", > + segment.idx, segment.sector_size); > + continue; > + } > + > /* Set up disk according to keyslot's segment. */ > crypt->offset_sectors = grub_divmod64 (segment.offset, > segment.sector_size, NULL); > crypt->log_sector_size = sizeof (unsigned int) * 8 > -- > 2.27.0 >
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