From b024a4cfda8a79bd782eeb7677838bb0254a9774 Mon Sep 17 00:00:00 2001 From: Hongfei Shang Date: Wed, 30 Dec 2020 11:24:24 +0800 Subject: [PATCH] initramfs: fix "Decoding failed" when initrd image file load in memory, it is align to 4 bytes, so there are may be some padding bytes(<4), should ignore these padding bytes and handle as normal end before: (when size of initrd.img is: size%4 = 1, 2 or 3) "Initramfs unpacking failed: Decoding failed" after: no error message Signed-off-by: Hongfei Shang --- lib/decompress_unlz4.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c index c0cfcfd486be..7527f1541dfd 100644 --- a/lib/decompress_unlz4.c +++ b/lib/decompress_unlz4.c @@ -181,6 +181,14 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, goto exit_2; } inp += chunksize; + + if (size < 4) { + unsigned int padding = 0; + + memcpy(&padding, inp, size); + if (padding == 0) + break; + } } } -- 2.25.1