aboutsummaryrefslogtreecommitdiffstats
path: root/lib/erl_interface/src/registry
diff options
context:
space:
mode:
authorMichael Santos <michael.santos@gmail.com>2010-10-05 16:47:52 -0400
committerBjörn Gustavsson <bjorn@erlang.org>2010-10-06 15:04:13 +0200
commit98a1edfa08dea2a7509415ecd8b2e4d283573c25 (patch)
tree763f54701024ebcb5c0db082f270d4d8bc15e9cb /lib/erl_interface/src/registry
parentd8f8eeba477fd8872f1136fc507fa299f013cc46 (diff)
downloadotp-98a1edfa08dea2a7509415ecd8b2e4d283573c25.tar.gz
otp-98a1edfa08dea2a7509415ecd8b2e4d283573c25.tar.bz2
otp-98a1edfa08dea2a7509415ecd8b2e4d283573c25.zip
registry: fix zero byte allocation
Pasto in code results in 0 bytes (instead of length bytes) being allocated when the length of the key exceeds the static buffer.
Diffstat (limited to 'lib/erl_interface/src/registry')
-rw-r--r--lib/erl_interface/src/registry/reg_dump.c4
-rw-r--r--lib/erl_interface/src/registry/reg_restore.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/lib/erl_interface/src/registry/reg_dump.c b/lib/erl_interface/src/registry/reg_dump.c
index 50a6949177..dfec96b43c 100644
--- a/lib/erl_interface/src/registry/reg_dump.c
+++ b/lib/erl_interface/src/registry/reg_dump.c
@@ -157,7 +157,7 @@ static int mn_send_delete(int fd, erlang_pid *mnesia, const char *key)
int len = strlen(key) + 32; /* 32 is a slight overestimate */
if (len > EISMALLBUF)
- if (!(dbuf = malloc(index)))
+ if (!(dbuf = malloc(len)))
return -1;
msgbuf = (dbuf ? dbuf : sbuf);
@@ -187,7 +187,7 @@ static int mn_send_write(int fd, erlang_pid *mnesia, const char *key, ei_reg_obj
int len = 32 + keylen + obj->size;
if (len > EISMALLBUF)
- if (!(dbuf = malloc(index)))
+ if (!(dbuf = malloc(len)))
return -1;
msgbuf = (dbuf ? dbuf : sbuf);
diff --git a/lib/erl_interface/src/registry/reg_restore.c b/lib/erl_interface/src/registry/reg_restore.c
index 27918d2364..aeb33c784a 100644
--- a/lib/erl_interface/src/registry/reg_restore.c
+++ b/lib/erl_interface/src/registry/reg_restore.c
@@ -266,7 +266,7 @@ int ei_reg_restore(int fd, ei_reg *reg, const char *mntab)
/* make sure receive buffer can handle largest expected message */
len = maxkey + maxobj + 512;
if (len > EISMALLBUF)
- if (!(dbuf = malloc(index))) {
+ if (!(dbuf = malloc(len))) {
ei_send_exit(fd,&self,&mnesia,"cannot allocate space for incoming data");
return -1;
}