Re: [PATCH master 1/2] ARM: cpu: start: align uncompressed DTB size to 4 bytes
On Fri, 17 May 2024 08:22:24 +0200, Ahmad Fatoum wrote: > KASAN reports that decompression exceeds the bounds of the allocation > and my DT size isn't 4-bytes aligned. Align the allocation size to fix > this. > > Applied, thanks! [1/2] ARM: cpu: start: align uncompressed DTB size to 4 bytes https://git.pengutronix.de/cgit/barebox/commit/?id=ce38eef3c056 (link may not be stable) [2/2] RISC-V: start: align uncompressed DTB size to 4 bytes https://git.pengutronix.de/cgit/barebox/commit/?id=249164bc555f (link may not be stable) Best regards, -- Sascha Hauer
[PATCH master 1/2] ARM: cpu: start: align uncompressed DTB size to 4 bytes
KASAN reports that decompression exceeds the bounds of the allocation and my DT size isn't 4-bytes aligned. Align the allocation size to fix this. Signed-off-by: Ahmad Fatoum --- arch/arm/cpu/start.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index 6d0a7cfc6b04..2adc60fa8831 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -79,7 +79,7 @@ void *barebox_arm_boot_dtb(void) pr_debug("%s: using compressed_dtb\n", __func__); - dtb = malloc(compressed_dtb->datalen_uncompressed); + dtb = malloc(ALIGN(compressed_dtb->datalen_uncompressed, 4)); if (!dtb) return NULL; -- 2.39.2