* [PATCH v2] trace-cmd: fix writing of uncompressed size
@ 2022-07-11 9:43 Sven Schnelle
0 siblings, 0 replies; only message in thread
From: Sven Schnelle @ 2022-07-11 9:43 UTC (permalink / raw)
To: Steven Rostedt; +Cc: Tzvetomir Stoyanov, linux-s390
pointer in struct tracecmd_compression is 'unsigned long', which is 8 byte
in size on most platforms, but the tep_read_number() call in the next line
treats it as a 4 byte value. As there's no need for unsigned long change
the type to unsigned int.
Fixes: 3f8447b1 ("trace-cmd library: Add support for compression algorithms")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
---
lib/trace-cmd/trace-compress.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/trace-cmd/trace-compress.c b/lib/trace-cmd/trace-compress.c
index a63295e..461de8d 100644
--- a/lib/trace-cmd/trace-compress.c
+++ b/lib/trace-cmd/trace-compress.c
@@ -32,7 +32,7 @@ struct tracecmd_compression {
int fd;
unsigned int capacity;
unsigned int capacity_read;
- unsigned long pointer;
+ unsigned int pointer;
char *buffer;
struct compress_proto *proto;
struct tep_handle *tep;
--
2.36.1
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