* [GIT PULL] tracing: Small fixes to the uprobe code
@ 2019-02-06 16:43 Steven Rostedt
2019-02-07 8:10 ` pr-tracker-bot
0 siblings, 1 reply; 2+ messages in thread
From: Steven Rostedt @ 2019-02-06 16:43 UTC (permalink / raw)
To: Linus Torvalds
Cc: LKML, Ingo Molnar, Andrew Morton, Andreas Ziegler, Masami Hiramatsu
Linus,
This has two fixes for uprobe code.
- Cut and paste fix to have uprobe printks say "uprobe" and not "kprobe"
- Add terminating '\0' byte when copying of function arguments
Please pull the latest trace-v5.0-rc3 tree, which can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
trace-v5.0-rc3
Tag SHA1: a4b2450f61452093078955c7287aee413188755b
Head SHA1: 0722069a5374b904ec1a67f91249f90e1cfae259
Andreas Ziegler (2):
tracing: uprobes: Fix typo in pr_fmt string
tracing/uprobes: Fix output for multiple string arguments
----
kernel/trace/trace_uprobe.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
---------------------------
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index e335576b9411..9bde07c06362 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -5,7 +5,7 @@
* Copyright (C) IBM Corporation, 2010-2012
* Author: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
*/
-#define pr_fmt(fmt) "trace_kprobe: " fmt
+#define pr_fmt(fmt) "trace_uprobe: " fmt
#include <linux/ctype.h>
#include <linux/module.h>
@@ -160,6 +160,13 @@ fetch_store_string(unsigned long addr, void *dest, void *base)
if (ret >= 0) {
if (ret == maxlen)
dst[ret - 1] = '\0';
+ else
+ /*
+ * Include the terminating null byte. In this case it
+ * was copied by strncpy_from_user but not accounted
+ * for in ret.
+ */
+ ret++;
*(u32 *)dest = make_data_loc(ret, (void *)dst - base);
}
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [GIT PULL] tracing: Small fixes to the uprobe code
2019-02-06 16:43 [GIT PULL] tracing: Small fixes to the uprobe code Steven Rostedt
@ 2019-02-07 8:10 ` pr-tracker-bot
0 siblings, 0 replies; 2+ messages in thread
From: pr-tracker-bot @ 2019-02-07 8:10 UTC (permalink / raw)
To: Steven Rostedt
Cc: Linus Torvalds, LKML, Ingo Molnar, Andrew Morton,
Andreas Ziegler, Masami Hiramatsu
The pull request you sent on Wed, 6 Feb 2019 11:43:00 -0500:
> git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git trace-v5.0-rc3
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/4879f11615d29d7b91cd5a4cfbff8e563ada991d
Thank you!
--
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