The IVT is a self-describing structure which contains a self field. The self field is the absolute physical base address the IVT ought to be at in memory. Use the IVT self field to validate the calculated ivt_addr bugging out if the two values differ.
Signed-off-by: Bryan O'Donoghue <[email protected]> Cc: Stefano Babic <[email protected]> Cc: Fabio Estevam <[email protected]> Cc: Peng Fan <[email protected]> Cc: Albert Aribaud <[email protected]> Cc: Sven Ebenfeld <[email protected]> Cc: George McCollister <[email protected]> Cc: Breno Matheus Lima <[email protected]> --- arch/arm/mach-imx/hab.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c index cb6214d..479ed96 100644 --- a/arch/arm/mach-imx/hab.c +++ b/arch/arm/mach-imx/hab.c @@ -450,6 +450,13 @@ int authenticate_image(uint32_t ddr_start, uint32_t image_size, if (verify_ivt_header(ivt_hdr)) goto hab_caam_clock_disable; + /* Verify IVT body */ + if (ivt->self != ivt_addr) { + printf("ivt->self 0x%08x pointer is 0x%08x\n", + ivt->self, ivt_addr); + goto hab_caam_clock_disable; + } + start = ddr_start; bytes = image_size; #ifdef DEBUG -- 2.7.4 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
