diff --git a/package/utils/busybox/patches/003-hexdump-fix-regression-for-uint16-on-big-endian-systems.patch b/package/utils/busybox/patches/003-hexdump-fix-regression-for-uint16-on-big-endian-systems.patch new file mode 100644 index 0000000000..5440c34f0a --- /dev/null +++ b/package/utils/busybox/patches/003-hexdump-fix-regression-for-uint16-on-big-endian-systems.patch @@ -0,0 +1,41 @@ +From f5c7cae55fc3e19d074198bc12152486067ea8c7 Mon Sep 17 00:00:00 2001 +From: Radoslav Kolev +Date: Thu, 24 Apr 2025 00:45:25 +0300 +Subject: [PATCH] hexdump: fix regression for uint16 on big endian systems + +Commit 34751d8bf introduced a bug in the handling of uint16 +values on big endian systems not considered safe for unaligned +access when falling back to memcpy. + +Signed-off-by: Radoslav Kolev +Signed-off-by: Denys Vlasenko +--- + libbb/dump.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +--- a/libbb/dump.c ++++ b/libbb/dump.c +@@ -667,15 +667,21 @@ static NOINLINE void display(priv_dumper + conv_u(pr, bp); + break; + case F_UINT: { ++ union { ++ uint16_t uval16; ++ uint32_t uval32; ++ } u; + unsigned value = (unsigned char)*bp; + switch (pr->bcnt) { + case 1: + break; + case 2: +- move_from_unaligned16(value, bp); ++ move_from_unaligned16(u.uval16, bp); ++ value = u.uval16; + break; + case 4: +- move_from_unaligned32(value, bp); ++ move_from_unaligned32(u.uval32, bp); ++ value = u.uval32; + break; + /* case 8: no users yet */ + }