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A smattering of fixes for problems that Coverity reported.

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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

A smattering of fixes for problems that Coverity reported.

# gpg: Signature made Mon 17 Nov 2014 17:03:25 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream:
  hcd-musb: fix dereference null return value
  target-cris/translate.c: fix out of bounds read
  shpc: fix error propaagation
  qemu-char: fix MISSING_COMMA
  acl: fix memory leak
  nvme: remove superfluous check
  loader: fix NEGATIVE_RETURNS
  qga: fix false negative argument passing
  mips_mipssim: fix use-after-free for filename
  l2tpv3: fix fd leak
  l2tpv3: fix possible double free
  libcacard: fix resource leak

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-11-17 17:22:03 +00:00
commit 1aba4be97e
11 changed files with 41 additions and 24 deletions
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3
hw/block/nvme.c
View File

@ -583,8 +583,7 @@ static int nvme_start_ctrl(NvmeCtrl *n)
NVME_CC_IOCQES(n->bar.cc) > NVME_CTRL_CQES_MAX(n->id_ctrl.cqes) ||
NVME_CC_IOSQES(n->bar.cc) < NVME_CTRL_SQES_MIN(n->id_ctrl.sqes) ||
NVME_CC_IOSQES(n->bar.cc) > NVME_CTRL_SQES_MAX(n->id_ctrl.sqes) ||
!NVME_AQA_ASQS(n->bar.aqa) || NVME_AQA_ASQS(n->bar.aqa) > 4095 ||
!NVME_AQA_ACQS(n->bar.aqa) || NVME_AQA_ACQS(n->bar.aqa) > 4095) {
!NVME_AQA_ASQS(n->bar.aqa) || !NVME_AQA_ACQS(n->bar.aqa)) {
return -1;
}

13
hw/core/loader.c
View File

@ -80,6 +80,13 @@ int load_image(const char *filename, uint8_t *addr)
if (fd < 0)
return -1;
size = lseek(fd, 0, SEEK_END);
if (size == -1) {
fprintf(stderr, "file %-20s: get size error: %s\n",
filename, strerror(errno));
close(fd);
return -1;
}
lseek(fd, 0, SEEK_SET);
if (read(fd, addr, size) != size) {
close(fd);
@ -748,6 +755,12 @@ int rom_add_file(const char *file, const char *fw_dir,
}
rom->addr = addr;
rom->romsize = lseek(fd, 0, SEEK_END);
if (rom->romsize == -1) {
fprintf(stderr, "rom: file %-20s: get size error: %s\n",
rom->name, strerror(errno));
goto err;
}
rom->datasize = rom->romsize;
rom->data = g_malloc0(rom->datasize);
lseek(fd, 0, SEEK_SET);

2
hw/mips/mips_mipssim.c
View File

@ -197,7 +197,7 @@ mips_mipssim_init(MachineState *machine)
!kernel_filename && !qtest_enabled()) {
/* Bail out if we have neither a kernel image nor boot vector code. */
error_report("Could not load MIPS bios '%s', and no "
"-kernel argument was specified", filename);
"-kernel argument was specified", bios_name);
exit(1);
} else {
/* We have a boot vector start address. */

3
hw/pci/shpc.c
View File

@ -559,8 +559,9 @@ void shpc_device_hot_unplug_request_cb(HotplugHandler *hotplug_dev,
uint8_t led;
int slot;
shpc_device_hotplug_common(PCI_DEVICE(dev), &slot, shpc, errp);
shpc_device_hotplug_common(PCI_DEVICE(dev), &slot, shpc, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}

8
hw/usb/hcd-musb.c
View File

@ -608,6 +608,7 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
USBDevice *dev;
USBEndpoint *uep;
int idx = epnum && dir;
int id;
int ttype;
/* ep->type[0,1] contains:
@ -625,8 +626,11 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
/* A wild guess on the FADDR semantics... */
dev = usb_find_device(&s->port, ep->faddr[idx]);
uep = usb_ep_get(dev, pid, ep->type[idx] & 0xf);
usb_packet_setup(&ep->packey[dir].p, pid, uep, 0,
(dev->addr << 16) | (uep->nr << 8) | pid, false, true);
id = pid;
if (uep) {
id |= (dev->addr << 16) | (uep->nr << 8);
}
usb_packet_setup(&ep->packey[dir].p, pid, uep, 0, id, false, true);
usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len);
ep->packey[dir].ep = ep;
ep->packey[dir].dir = dir;

7
libcacard/vscclient.c
View File

@ -597,7 +597,7 @@ connect_to_qemu(
const char *port
) {
struct addrinfo hints;
struct addrinfo *server;
struct addrinfo *server = NULL;
int ret, sock;
sock = socket(AF_INET, SOCK_STREAM, 0);
@ -629,9 +629,14 @@ connect_to_qemu(
if (verbose) {
printf("Connected (sizeof Header=%zd)!\n", sizeof(VSCMsgHeader));
}
freeaddrinfo(server);
return sock;
cleanup_socket:
if (server) {
freeaddrinfo(server);
}
closesocket(sock);
return -1;
}

5
net/l2tpv3.c
View File

@ -516,7 +516,7 @@ static void net_l2tpv3_cleanup(NetClientState *nc)
qemu_purge_queued_packets(nc);
l2tpv3_read_poll(s, false);
l2tpv3_write_poll(s, false);
if (s->fd > 0) {
if (s->fd >= 0) {
close(s->fd);
}
destroy_vector(s->msgvec, MAX_L2TPV3_MSGCNT, IOVSIZE);
@ -660,7 +660,6 @@ int net_init_l2tpv3(const NetClientOptions *opts,
if (fd == -1) {
fd = -errno;
error_report("l2tpv3_open : socket creation failed, errno = %d", -fd);
freeaddrinfo(result);
goto outerr;
}
if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) {
@ -746,7 +745,7 @@ int net_init_l2tpv3(const NetClientOptions *opts,
return 0;
outerr:
qemu_del_net_client(nc);
if (fd > 0) {
if (fd >= 0) {
close(fd);
}
if (result) {

2
qemu-char.c
View File

@ -464,7 +464,7 @@ static const char * const mux_help[] = {
"% h print this help\n\r",
"% x exit emulator\n\r",
"% s save disk data back to file (if -snapshot)\n\r",
"% t toggle console timestamps\n\r"
"% t toggle console timestamps\n\r",
"% b send break (magic sysrq)\n\r",
"% c switch between console and monitor\n\r",
"% % sends %\n\r",

4
qga/main.c
View File

@ -603,8 +603,8 @@ static void process_event(JSONMessageParser *parser, QList *tokens)
error_free(err);
}
ret = send_response(s, QOBJECT(qdict));
if (ret) {
g_warning("error sending error response: %s", strerror(ret));
if (ret < 0) {
g_warning("error sending error response: %s", strerror(-ret));
}
}

8
target-cris/translate.c
View File

@ -169,9 +169,7 @@ static int preg_sizes[] = {
static inline void t_gen_mov_TN_preg(TCGv tn, int r)
{
if (r < 0 || r > 15) {
fprintf(stderr, "wrong register read $p%d\n", r);
}
assert(r >= 0 && r <= 15);
if (r == PR_BZ || r == PR_WZ || r == PR_DZ) {
tcg_gen_mov_tl(tn, tcg_const_tl(0));
} else if (r == PR_VR) {
@ -182,9 +180,7 @@ static inline void t_gen_mov_TN_preg(TCGv tn, int r)
}
static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn)
{
if (r < 0 || r > 15) {
fprintf(stderr, "wrong register write $p%d\n", r);
}
assert(r >= 0 && r <= 15);
if (r == PR_BZ || r == PR_WZ || r == PR_DZ) {
return;
} else if (r == PR_SRS) {

10
util/acl.c
View File

@ -132,7 +132,6 @@ int qemu_acl_insert(qemu_acl *acl,
const char *match,
int index)
{
qemu_acl_entry *entry;
qemu_acl_entry *tmp;
int i = 0;
@ -142,13 +141,14 @@ int qemu_acl_insert(qemu_acl *acl,
return qemu_acl_append(acl, deny, match);
}
entry = g_malloc(sizeof(*entry));
entry->match = g_strdup(match);
entry->deny = deny;
QTAILQ_FOREACH(tmp, &acl->entries, next) {
i++;
if (i == index) {
qemu_acl_entry *entry;
entry = g_malloc(sizeof(*entry));
entry->match = g_strdup(match);
entry->deny = deny;
QTAILQ_INSERT_BEFORE(tmp, entry, next);
acl->nentries++;
break;