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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-01-12 14:38:36 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-01-12 14:40:38 +0100 |
| commit | 2ea03be47c41fc83d47eeecb53deaf2e66ef772c (patch) | |
| tree | be0f65ba038dd9b7e52648abf546e0df3a0cdccf /cpukit/libfs/src | |
| parent | jffs2: Update baseline version to Linux v6.1 (diff) | |
| download | rtems-2ea03be47c41fc83d47eeecb53deaf2e66ef772c.tar.bz2 | |
jffs2: Fix return code of rtime compress
The RTEMS and Linux JFFS2 compression support have a slightly different
interface. This fixes a bug introduced by:
commit 17c3d536ca8ee17d36ea251eade884e07ff1ee75
Author: Yang Yang <yang.yang29@zte.com.cn>
Date: Thu Jan 28 02:55:35 2021 -0800
jffs2: check the validity of dstlen in jffs2_zlib_compress()
KASAN reports a BUG when download file in jffs2 filesystem.It is
because when dstlen == 1, cpage_out will write array out of bounds.
Actually, data will not be compressed in jffs2_zlib_compress() if
data's length less than 4.
Diffstat (limited to 'cpukit/libfs/src')
| -rw-r--r-- | cpukit/libfs/src/jffs2/src/compr_rtime.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/libfs/src/jffs2/src/compr_rtime.c b/cpukit/libfs/src/jffs2/src/compr_rtime.c index 35fe2cd2a5..e3c761dcfe 100644 --- a/cpukit/libfs/src/jffs2/src/compr_rtime.c +++ b/cpukit/libfs/src/jffs2/src/compr_rtime.c @@ -45,7 +45,7 @@ uint16_t rtems_jffs2_compressor_rtime_compress( (void) self; if (*dstlen <= 3) - return -1; + return JFFS2_COMPR_NONE; memset(positions,0,sizeof(positions)); |