Valgrind reports following error for uninitialized memory usage: ==4725== Syscall param socketcall.sendto(msg) points to uninitialised byte(s) ==4725== at 0x33F5EF6B5D: send (in /usr/lib64/libc-2.17.so) ==4725== by 0x40BF0E: can_write_data (genl.c:314) ==4725== by 0x417806: io_callback (io.c:138) ==4725== by 0x40A282: l_main_run (main.c:346) ==4725== by 0x401F69: main (main.c:160) ==4725== Address 0x4c3d092 is 18 bytes inside a block of size 40 alloc'd ==4725== at 0x4A06409: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==4725== by 0x40817D: l_malloc (util.c:62) ==4725== by 0x40C46A: msg_alloc.constprop.13 (genl.c:243) ==4725== by 0x40D454: l_genl_family_new (genl.c:641) ==4725== by 0x405A44: wiphy_init (wiphy.c:1492) ==4725== by 0x401EDD: main (main.c:154) ==4725== --- ell/genl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ell/genl.c b/ell/genl.c index d2c1784..2ef6a34 100644 --- a/ell/genl.c +++ b/ell/genl.c @@ -239,7 +239,7 @@ static struct l_genl_msg *msg_alloc(uint8_t cmd, uint8_t version, uint32_t size) msg->len = NLMSG_HDRLEN + GENL_HDRLEN; msg->size = msg->len + NLMSG_ALIGN(size); - msg->data = l_malloc(msg->size); + msg->data = l_new(unsigned char, msg->size); return l_genl_msg_ref(msg); } -- 1.8.3.1