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Fix: get_cmdline_by_pid path length assumes a max pid of 65535
[lttng-tools.git]
/
src
/
bin
/
lttng
/
commands
/
list.c
diff --git
a/src/bin/lttng/commands/list.c
b/src/bin/lttng/commands/list.c
index 87c99dde443d4d53c241954b21201f3bd2c8dcec..d7970a8b9ab2e0a2553ef5475d66fbc3ebd7d460 100644
(file)
--- a/
src/bin/lttng/commands/list.c
+++ b/
src/bin/lttng/commands/list.c
@@
-23,6
+23,7
@@
#include <string.h>
#include <assert.h>
#include <string.h>
#include <assert.h>
+#include <lttng/constant.h>
#include "../command.h"
static int opt_userspace;
#include "../command.h"
static int opt_userspace;
@@
-107,7
+108,8
@@
static char *get_cmdline_by_pid(pid_t pid)
int ret;
FILE *fp;
char *cmdline = NULL;
int ret;
FILE *fp;
char *cmdline = NULL;
- char path[20]; /* Can't go bigger than /proc/65535/cmdline */
+ /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */
+ char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1];
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
fp = fopen(path, "r");
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
fp = fopen(path, "r");
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