On Fri, Aug 06, 2021 at 11:58:16AM +0200, Lukas Czerner wrote: > The ext2fs_check_mount_point() function can be called with mtpt being > NULL as for example from ext2fs_check_if_mounted(). However in the > is_swap_device condition we use the mtpt in strncpy without checking > whether it is non-null first. > > This should not be a problem on linux since the previous attempt to open > the device exclusively would have prevented us from ever reaching the > problematic strncpy. However it's still a bug and can cause problems on > other systems, fix it by conditioning strncpy on mtpt not being null. > > Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> Applied, thanks. - Ted
