diff options
| author | Sander Vrijders <sander.vrijders@ugent.be> | 2017-08-23 12:46:04 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@ugent.be> | 2017-08-23 12:53:27 +0200 |
| commit | 2f215b5c3139a0cb05d4db3cf8b3c8a2ee8bf9dc (patch) | |
| tree | 168a6e56a34bfd7e08b71c36d48f228eeb1f6cec /src/irmd | |
| parent | 45c77a507ed275830633849f368c4ed5b4831328 (diff) | |
| download | ouroboros-2f215b5c3139a0cb05d4db3cf8b3c8a2ee8bf9dc.tar.gz ouroboros-2f215b5c3139a0cb05d4db3cf8b3c8a2ee8bf9dc.zip | |
irmd: Fix potential data race in irmd
If the IPCP was not created, the printing of the log may use a
variable that was already freed.
Diffstat (limited to 'src/irmd')
| -rw-r--r-- | src/irmd/main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/irmd/main.c b/src/irmd/main.c index 62c1cc61..a7c2bd4c 100644 --- a/src/irmd/main.c +++ b/src/irmd/main.c @@ -292,6 +292,7 @@ static pid_t create_ipcp(char * name, struct timespec dl; struct timespec to = {SOCKET_TIMEOUT / 1000, (SOCKET_TIMEOUT % 1000) * MILLION}; + pid_t ipcp_pid; api = malloc(sizeof(*api)); if (api == NULL) @@ -344,6 +345,7 @@ static pid_t create_ipcp(char * name, tmp->type = ipcp_type; tmp->init_state = IPCP_BOOT; tmp->dir_hash_algo = -1; + ipcp_pid = tmp->api; list_for_each(p, &irmd.ipcps) { struct ipcp_entry * e = list_entry(p, struct ipcp_entry, next); @@ -372,15 +374,15 @@ static pid_t create_ipcp(char * name, tmp->init_state = IPCP_NULL; pthread_cond_signal(&tmp->init_cond); pthread_mutex_unlock(&tmp->init_lock); - log_err("IPCP %d failed to respond.", tmp->api); + log_err("IPCP %d failed to respond.", ipcp_pid); return -1; } pthread_mutex_unlock(&tmp->init_lock); - log_info("Created IPCP %d.", tmp->api); + log_info("Created IPCP %d.", ipcp_pid); - return api->pid; + return ipcp_pid; } static int create_ipcp_r(pid_t api, |