On Mon, Mar 13, 2017 at 12:14:58PM -0300, Marcelo Henrique Cerri wrote: > Reorder the operations in decompress_kernel() to ensure initrd is moved > to a safe location before the bss section is zeroed. > > During decompression bss can overlap with the initrd and this can > corrupt the initrd contents depending on the size of the compressed > kernel (which affects where the initrd is placed by the bootloader) and > the size of the bss section of the decompressor. > > Also use the correct initrd size when checking for overlaps with > parmblock. > > Fixes: 06c0dd72aea3 ([S390] fix boot failures with compressed kernels) > Cc: stable@xxxxxxxxxxxxxxx > Reviewed-by: Joy Latten <joy.latten@xxxxxxxxxxxxx> > Reviewed-by: Vineetha HariPai <vineetha.hari.pai@xxxxxxxxxxxxx> > Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@xxxxxxxxxxxxx> > --- > arch/s390/boot/compressed/misc.c | 35 +++++++++++++++++++---------------- > 1 file changed, 19 insertions(+), 16 deletions(-) Applied. Thank you! -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
