For records in fdata smaller then 4 display error, because such record
is invalid.
Signed-off-by: Jan Friesse <jfriesse@xxxxxxxxxx>
---
tools/corosync-fplay.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/tools/corosync-fplay.c b/tools/corosync-fplay.c
index 96bb4f0..f07e225 100644
--- a/tools/corosync-fplay.c
+++ b/tools/corosync-fplay.c
@@ -343,6 +343,11 @@ static unsigned int printer_subsys_count =
#define G_RECORD_SIZE 10000
+/*
+ * Record must have at least 4 bytes - size, indent, line and record_number
+ */
+#define MINIMUM_RECORD_SIZE 4
+
static uint32_t g_record[G_RECORD_SIZE];
/*
@@ -362,6 +367,11 @@ static int logsys_rec_get (int rec_idx) {
exit (EXIT_FAILURE);
}
+ if (rec_size < MINIMUM_RECORD_SIZE) {
+ fprintf (stderr, "rec_size too small. Input file is probably corrupted.\n");
+ exit (EXIT_FAILURE);
+ }
+
if (firstcopy + rec_idx > flt_data_size) {
firstcopy = flt_data_size - rec_idx;
secondcopy -= firstcopy - rec_size;
--
1.7.1
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