[lvc-project] [PATCH] linux-5.19.y: net: fddi: skfp: Uninitialized data

Александр C alsp705 at gmail.com
Tue Dec 19 12:00:50 MSK 2023


Uninitialized data is read from local variable 'word_val' at pmf.c:1302.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Alexander Sapozhnikov <alsp705 at gmail.com>
---
 drivers/net/fddi/skfp/pmf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/fddi/skfp/pmf.c b/drivers/net/fddi/skfp/pmf.c
index 563fb7f0b327..3f24fbd82a73 100644
--- a/drivers/net/fddi/skfp/pmf.c
+++ b/drivers/net/fddi/skfp/pmf.c
@@ -1084,7 +1084,7 @@ static int smt_set_para(struct s_smc *smc, struct
smt_para *pa, int index,
  int path ;
  int port ;
  SK_LOC_DECL(u_char,byte_val) ;
- SK_LOC_DECL(u_short,word_val) ;
+ SK_LOC_DECL(u_short, word_val) = 0 ;
  SK_LOC_DECL(u_long,long_val) ;

  mac = index - INDEX_MAC ;
--
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