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Diffstat (limited to 'blktrace.c')
-rw-r--r--blktrace.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/blktrace.c b/blktrace.c
index 563f908..89aaaac 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -872,8 +872,9 @@ static int net_send_header(int fd, int cpu, char *buts_name, int len)
memset(&hdr, 0, sizeof(hdr));
hdr.magic = BLK_IO_TRACE_MAGIC;
+ memset(hdr.buts_name, 0, sizeof(hdr.buts_name));
strncpy(hdr.buts_name, buts_name, sizeof(hdr.buts_name));
- hdr.buts_name[sizeof(hdr.buts_name)-1] = '\0';
+ hdr.buts_name[sizeof(hdr.buts_name) - 1] = '\0';
hdr.cpu = cpu;
hdr.max_cpus = ncpus;
hdr.len = len;
@@ -981,7 +982,9 @@ retry:
}
memcpy(&addr->sin_addr, hent->h_addr, 4);
- strcpy(hostname, hent->h_name);
+ memset(hostname, 0, sizeof(hostname));
+ strncpy(hostname, hent->h_name, sizeof(hostname));
+ hostname[sizeof(hostname) - 1] = '\0';
}
return 0;
@@ -2131,7 +2134,9 @@ static int handle_args(int argc, char *argv[])
break;
case 'h':
net_mode = Net_client;
- strcpy(hostname, optarg);
+ memset(hostname, 0, sizeof(hostname));
+ strncpy(hostname, optarg, sizeof(hostname));
+ hostname[sizeof(hostname) - 1] = '\0';
break;
case 'l':
net_mode = Net_server;