| Message ID | 20221014021653.1461512-5-Jason@zx2c4.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | rerandomize RNG seeds on reboot and handle record&replay | expand |
diff --git a/hw/arm/boot.c b/hw/arm/boot.c index ada2717f76..511f7b22b1 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -683,6 +683,8 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo, * the DTB is copied again upon reset, even if addr points into RAM. */ rom_add_blob_fixed_as("dtb", fdt, size, addr, as); + qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds, + rom_ptr_for_as(as, addr, size)); g_free(fdt);
When the system reboots, the rng-seed that the FDT has should be re-randomized, so that the new boot gets a new seed. Since the FDT is in the ROM region at this point, we add a hook right after the ROM has been added, so that we have a pointer to that copy of the FDT. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: qemu-arm@nongnu.org Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> --- hw/arm/boot.c | 2 ++ 1 file changed, 2 insertions(+)