lkml.org 
[lkml]   [2021]   [Oct]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] kernel/kallsym.c: Fix kernel pointer leak
Date
Pointers should be printed with %p rather than %px
which printed kernel pointer directly.
Change %px to %p to print the secured pointer.

Signed-off-by: Guo Zhi <qtxuning1999@sjtu.edu.cn>
---
kernel/kallsyms.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 0ba87982d017..5a8ea50ce812 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -760,10 +760,10 @@ static int s_show(struct seq_file *m, void *p)
*/
type = iter->exported ? toupper(iter->type) :
tolower(iter->type);
- seq_printf(m, "%px %c %s\t[%s]\n", value,
+ seq_printf(m, "%p %c %s\t[%s]\n", value,
type, iter->name, iter->module_name);
} else
- seq_printf(m, "%px %c %s\n", value,
+ seq_printf(m, "%p %c %s\n", value,
iter->type, iter->name);
return 0;
}
--
2.33.0
\
 
 \ /
  Last update: 2021-10-13 15:06    [W:0.028 / U:0.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site