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Initialize variable ifr in sk_setup()

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==00:00:00:02.831 2468== Syscall param socketcall.setsockopt(optval) points to uninitialised byte(s)
==00:00:00:02.831 2468==    at 0x513BDEA: setsockopt (in /usr/lib/libc-2.23.so)
==00:00:00:02.831 2468==    by 0x45C7AF: sk_setup (io.c:1216)
==00:00:00:02.831 2468==    by 0x45CDFF: sk_open (io.c:1417)
==00:00:00:02.831 2468==    by 0x44B562: rip_open_socket (packets.c:740)
==00:00:00:02.831 2468==    by 0x4481A7: rip_iface_locked (rip.c:616)
==00:00:00:02.831 2468==    by 0x4133E4: olock_run_event (locks.c:177)
==00:00:00:02.831 2468==    by 0x45A6DE: ev_run (event.c:85)
==00:00:00:02.831 2468==    by 0x45A7AD: ev_run_list (event.c:142)
==00:00:00:02.831 2468==    by 0x45E0FC: io_loop (io.c:2066)
==00:00:00:02.831 2468==    by 0x463B56: main (main.c:845)
==00:00:00:02.831 2468==  Address 0xffefffd24 is on thread 1's stack
==00:00:00:02.831 2468==  in frame #1, created by sk_setup (io.c:1188)
==00:00:00:02.831 2468==  Uninitialised value was created by a stack allocation
==00:00:00:02.831 2468==    at 0x45C6BB: sk_setup (io.c:1188)
This commit is contained in:
Pavel Tvrdik 2016-05-03 09:32:49 +02:00
parent 1e3810f9f8
commit f7a99acb4e
1 changed files with 1 additions and 1 deletions
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2
sysdep/unix/io.c
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@ -1211,7 +1211,7 @@ sk_setup(sock *s)
if (s->iface) if (s->iface)
{ {
#ifdef SO_BINDTODEVICE #ifdef SO_BINDTODEVICE
struct ifreq ifr; struct ifreq ifr = {};
strcpy(ifr.ifr_name, s->iface->name); strcpy(ifr.ifr_name, s->iface->name);
if (setsockopt(s->fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0) if (setsockopt(s->fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
ERR("SO_BINDTODEVICE"); ERR("SO_BINDTODEVICE");