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path: root/fs/jffs2/gc.c
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Diffstat (limited to 'fs/jffs2/gc.c')
-rw-r--r--fs/jffs2/gc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 95be264fe9b6..f25e485ed879 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -608,10 +608,15 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
goto bail;
}
+ if (strnlen(node->d.name, node->d.nsize) != node->d.nsize) {
+ printk(KERN_WARNING "Name in dirent node at 0x%08x contains zeroes\n", ref_offset(raw));
+ goto bail;
+ }
+
if (node->d.nsize) {
crc = crc32(0, node->d.name, node->d.nsize);
if (je32_to_cpu(node->d.name_crc) != crc) {
- printk(KERN_WARNING "Name CRC failed on REF_PRISTINE dirent ode at 0x%08x: Read 0x%08x, calculated 0x%08x\n",
+ printk(KERN_WARNING "Name CRC failed on REF_PRISTINE dirent node at 0x%08x: Read 0x%08x, calculated 0x%08x\n",
ref_offset(raw), je32_to_cpu(node->d.name_crc), crc);
goto bail;
}