From: Zubin Mithra <zubin.mit...@gmail.com>
* bjm.c (sys_query_module): Add bounds check.
Signed-off-by: Zubin Mithra <zubin.mit...@gmail.com>
---
bjm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/bjm.c b/bjm.c
index b34c6ed..b5ce103 100644
--- a/bjm.c
+++ b/bjm.c
@@ -121,6 +121,8 @@ sys_query_module(struct tcb *tcp)
(idx ? ", " :
""),
mod);
mod += strlen(mod)+1;
+ if (mod-data >=
tcp->u_arg[3])
+ break;
}
}
free(data);
@@ -144,6 +146,8 @@ sys_query_module(struct tcb *tcp)
tprintf(" /* %lu entries */ ",
(unsigned long)ret);
} else {
for (idx = 0; idx < ret; idx++)
{
+ if ((long)sym->name >=
tcp->u_arg[3])
+ break;
tprintf("%s{name=%s,
value=%lu}",
(idx ? " " :
""),
data+(long)sym->name,
--
1.8.4
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