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[06/10] vvfat: fat_chksum(): fix access above array bounds

Message ID 1283185953-30639-7-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf Aug. 30, 2010, 4:32 p.m. UTC 
From: Loïc Minier <loic.minier@linaro.org>

Signed-off-by: Loïc Minier <loic.minier@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/vvfat.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/block/vvfat.c b/block/vvfat.c
index 6d61c2e..365332a 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -512,7 +512,7 @@  static inline uint8_t fat_chksum(const direntry_t* entry)
     for(i=0;i<11;i++) {
         unsigned char c;
 
-        c = (i <= 8) ? entry->name[i] : entry->extension[i-8];
+        c = (i < 8) ? entry->name[i] : entry->extension[i-8];
         chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0)) + c;
     }