[libvirt] Coverity automatic detection

Tue Dec 6 06:25:04 UTC 2011

This email is automatically generated.

The test result is based on the following git commit:
d336dbd spec: fix sanlock dependency

Analysis summary report:
------------------------
Files analyzed                 : 241
Total LoC input to cov-analyze : 328912
Functions analyzed             : 7999
Paths analyzed                 : 923483
Defect occurrences found       : 71 Total
                                  7 ATOMICITY
                                  3 CHECKED_RETURN
                                 14 DEADCODE
                                  7 FORWARD_NULL
                                 13 LOCK
                                  2 NEGATIVE_RETURNS
                                  1 NULL_RETURNS
                                  6 RESOURCE_LEAK
                                  1 RETURN_LOCAL
                                 12 REVERSE_INULL
                                  3 UNINIT
                                  2 UNUSED_VALUE

Exceeded path limit of 5000 paths in 0.49% of functions (normally up to 5% of functions encounter this limitation)

For details, please see attachment.

Regards,
Alex
-------------- next part --------------
Error: ATOMICITY:
/libvirt/src/util/event_poll.c:603:
lock: Locking "eventLoop.lock.lock".
/libvirt/src/util/event_poll.c:610:
def: Assigning: "fds" = data that might be protected by the lock.
/libvirt/src/util/event_poll.c:614:
unlock: Unlocking "eventLoop.lock.lock". "fds" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/util/event_poll.c:632:
lockagain: Locking "eventLoop.lock.lock" again.
/libvirt/src/util/event_poll.c:636:
use: Using an unreliable value of "fds" inside the second locked section.  If the data that "fds" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/rpc/virnetclientstream.c:386:
lock: Locking "st->lock.lock".
/libvirt/src/rpc/virnetclientstream.c:397:
def: Assigning: "msg" = data that might be protected by the lock.
/libvirt/src/rpc/virnetclientstream.c:410:
unlock: Unlocking "st->lock.lock". "msg" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/rpc/virnetclientstream.c:412:
lockagain: Locking "st->lock.lock" again.
/libvirt/src/rpc/virnetclientstream.c:413:
use: Using an unreliable value of "msg" inside the second locked section.  If the data that "msg" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/util/threadpool.c:95:
lock: Locking "pool->mutex.lock".
/libvirt/src/util/threadpool.c:129:
def: Assigning: "pool->jobList.firstPrio" = data that might be protected by the lock.
/libvirt/src/util/threadpool.c:143:
unlock: Unlocking "pool->mutex.lock". "pool->jobList.firstPrio" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/util/threadpool.c:146:
lockagain: Locking "pool->mutex.lock" again.
/libvirt/src/util/threadpool.c:116:
use: Using an unreliable value of "pool->jobList.firstPrio" inside the second locked section.  If the data that "pool->jobList.firstPrio" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/util/threadpool.c:146:
lock: Locking "pool->mutex.lock".
/libvirt/src/util/threadpool.c:129:
def: Assigning: "pool->jobList.firstPrio" = data that might be protected by the lock.
/libvirt/src/util/threadpool.c:143:
unlock: Unlocking "pool->mutex.lock". "pool->jobList.firstPrio" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/util/threadpool.c:146:
lockagain: Locking "pool->mutex.lock" again.
/libvirt/src/util/threadpool.c:116:
use: Using an unreliable value of "pool->jobList.firstPrio" inside the second locked section.  If the data that "pool->jobList.firstPrio" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/util/threadpool.c:146:
lock: Locking "pool->mutex.lock".
/libvirt/src/util/threadpool.c:135:
def: Assigning: "pool->jobList.head" = data that might be protected by the lock.
/libvirt/src/util/threadpool.c:143:
unlock: Unlocking "pool->mutex.lock". "pool->jobList.head" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/util/threadpool.c:146:
lockagain: Locking "pool->mutex.lock" again.
/libvirt/src/util/threadpool.c:118:
use: Using an unreliable value of "pool->jobList.head" inside the second locked section.  If the data that "pool->jobList.head" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/fdstream.c:146:
lock: Locking "fdst->lock.lock".
/libvirt/src/fdstream.c:153:
def: Assigning: "cbopaque" = data that might be protected by the lock.
/libvirt/src/fdstream.c:156:
unlock: Unlocking "fdst->lock.lock". "cbopaque" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/fdstream.c:160:
lockagain: Locking "fdst->lock.lock" again.
/libvirt/src/fdstream.c:163:
use: Using an unreliable value of "cbopaque" inside the second locked section.  If the data that "cbopaque" depends on was changed by another thread, this use might be incorrect.

Error: ATOMICITY:
/libvirt/src/rpc/virnetclientstream.c:96:
lock: Locking "st->lock.lock".
/libvirt/src/rpc/virnetclientstream.c:109:
def: Assigning: "cbOpaque" = data that might be protected by the lock.
/libvirt/src/rpc/virnetclientstream.c:113:
unlock: Unlocking "st->lock.lock". "cbOpaque" might now be unreliable because other threads can now change the data that it depends on.
/libvirt/src/rpc/virnetclientstream.c:115:
lockagain: Locking "st->lock.lock" again.
/libvirt/src/rpc/virnetclientstream.c:119:
use: Using an unreliable value of "cbOpaque" inside the second locked section.  If the data that "cbOpaque" depends on was changed by another thread, this use might be incorrect.

Error: CHECKED_RETURN:
/libvirt/daemon/libvirtd.c:823:
example_checked: "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir)" has its value checked in "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir) < 0".
/libvirt/daemon/libvirtd.c:916:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host")".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:922:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host %s", localhost)".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:279:
example_checked: "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir)" has its value checked in "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir) < 0".
/libvirt/daemon/libvirtd.c:772:
example_checked: "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var")" has its value checked in "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var") == -1".
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:2876:
check_return: Calling function "virAsprintf" without checking return value (as is done elsewhere 425 out of 446 times).
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:2876:
unchecked_value: No check of the return value of "virAsprintf(&protostr, "-d 01:80:c2:00:00:00 ")".

Error: CHECKED_RETURN:
/libvirt/daemon/libvirtd.c:823:
example_checked: "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir)" has its value checked in "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir) < 0".
/libvirt/daemon/libvirtd.c:916:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host")".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:922:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host %s", localhost)".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:279:
example_checked: "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir)" has its value checked in "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir) < 0".
/libvirt/daemon/libvirtd.c:772:
example_checked: "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var")" has its value checked in "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var") == -1".
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:2879:
check_return: Calling function "virAsprintf" without checking return value (as is done elsewhere 425 out of 446 times).
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:2879:
unchecked_value: No check of the return value of "virAsprintf(&protostr, "-p 0x%04x ", l3_protocols[protoidx].attr)".

Error: CHECKED_RETURN:
/libvirt/daemon/libvirtd.c:823:
example_checked: "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir)" has its value checked in "virAsprintf(configfile, "%s/.libvirt/libvirtd.conf", userdir) < 0".
/libvirt/daemon/libvirtd.c:916:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host")".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:922:
example_assign: Assigning: "ret" = return value from "virAsprintf(&data->mdns_name, "Virtualization Host %s", localhost)".
/libvirt/daemon/libvirtd.c:926:
example_checked: "ret" has its value checked in "ret < 0".
/libvirt/daemon/libvirtd.c:279:
example_checked: "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir)" has its value checked in "virAsprintf(pidfile, "%s/.libvirt/libvirtd.pid", userdir) < 0".
/libvirt/daemon/libvirtd.c:772:
example_checked: "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var")" has its value checked in "virAsprintf(&tmp, "%d:file:%s/log/libvirt/libvirtd.log", virLogGetDefaultPriority(), "/usr/local/var") == -1".
/libvirt/src/qemu/qemu_process.c:2397:
check_return: Calling function "virAsprintf" without checking return value (as is done elsewhere 425 out of 446 times).
/libvirt/src/qemu/qemu_process.c:2397:
unchecked_value: No check of the return value of "virAsprintf(&msg, "was paused (%s)", virDomainPausedReasonTypeToString(reason))".

Error: DEADCODE:
/libvirt/gnulib/lib/strerror_r.c:155:
dead_error_condition: On this path, the condition "msg" cannot be true.
/libvirt/gnulib/lib/strerror_r.c:153:
const: After this line, the value of "msg" is equal to 0.
/libvirt/gnulib/lib/strerror_r.c:153:
assignment: Assigning: "msg" = "NULL".
/libvirt/gnulib/lib/strerror_r.c:156:
dead_error_line: Execution cannot reach this statement "return safe_copy(buf, bufle...".

Error: DEADCODE:
/libvirt/gnulib/lib/strerror.c:47:
dead_error_condition: On this path, the condition "msg" cannot be true.
/libvirt/gnulib/lib/strerror.c:46:
const: After this line, the value of "msg" is equal to 0.
/libvirt/gnulib/lib/strerror.c:46:
assignment: Assigning: "msg" = "NULL".
/libvirt/gnulib/lib/strerror.c:48:
dead_error_line: Execution cannot reach this statement "return (char *)msg;".

Error: DEADCODE:
/libvirt/src/rpc/virnetclient.c:334:
dead_error_condition: On this path, the condition "ka" cannot be true.
/libvirt/src/rpc/virnetclient.c:276:
const: After this line, the value of "ka" is equal to 0.
/libvirt/src/rpc/virnetclient.c:314:
const: After this line, the value of "ka" is equal to 0.
/libvirt/src/rpc/virnetclient.c:276:
assignment: Assigning: "ka" = "NULL".
/libvirt/src/rpc/virnetclient.c:314:
new_values: Noticing condition "ka = virKeepAliveNew(-1, 0U, client, virNetClientKeepAliveSendCB, virNetClientKeepAliveDeadCB, virNetClientEventFree)".
/libvirt/src/rpc/virnetclient.c:335:
dead_error_begin: Execution cannot reach this statement "virKeepAliveStop(ka);".

Error: DEADCODE:
/libvirt/src/libvirt.c:8367:
dead_error_condition: On this path, the condition "maplen < 0" cannot be true.
/libvirt/src/libvirt.c:8367:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8367:
dead_error_line: Execution cannot reach this expression "0 < maxinfo" inside statement "if (!cpumaps ? maplen != 0 ...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8367:
dead_error_condition: On this path, the condition "maxinfo < 0" cannot be true.
/libvirt/src/libvirt.c:8360:
at_least: After this line, the value of "maxinfo" is at least 1.
/libvirt/src/libvirt.c:8360:
new_values: Noticing condition "maxinfo < 1".
/libvirt/src/libvirt.c:8367:
dead_error_line: Execution cannot reach this expression "0 < maplen" inside statement "if (!cpumaps ? maplen != 0 ...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8367:
dead_error_condition: On this path, the condition "maplen < 0" cannot be true.
/libvirt/src/libvirt.c:8367:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maplen < 0".
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8367:
dead_error_line: Execution cannot reach this expression "maxinfo < 0" inside statement "if (!cpumaps ? maplen != 0 ...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8367:
dead_error_condition: On this path, the condition "maplen == 0" cannot be true.
/libvirt/src/libvirt.c:8367:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maplen < 0".
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8367:
dead_error_line: Execution cannot reach this expression "0" inside statement "if (!cpumaps ? maplen != 0 ...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8367:
dead_error_condition: On this path, the condition "maxinfo < 0" cannot be true.
/libvirt/src/libvirt.c:8360:
at_least: After this line, the value of "maxinfo" is at least 1.
/libvirt/src/libvirt.c:8367:
at_least: After this line, the value of "maxinfo" is at least 1.
/libvirt/src/libvirt.c:8367:
new_values: Noticing condition "maxinfo < 0".
/libvirt/src/libvirt.c:8360:
new_values: Noticing condition "maxinfo < 1".
/libvirt/src/libvirt.c:8367:
dead_error_line: Execution cannot reach this expression "maxinfo" inside statement "if (!cpumaps ? maplen != 0 ...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8288:
dead_error_condition: On this path, the condition "maplen < 0" cannot be true.
/libvirt/src/libvirt.c:8288:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8288:
dead_error_line: Execution cannot reach this expression "0 < ncpumaps" inside statement "if (ncpumaps < 1 || !cpumap...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8288:
dead_error_condition: On this path, the condition "ncpumaps < 0" cannot be true.
/libvirt/src/libvirt.c:8288:
at_least: After this line, the value of "ncpumaps" is at least 1.
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "ncpumaps < 1".
/libvirt/src/libvirt.c:8288:
dead_error_line: Execution cannot reach this expression "0 < maplen" inside statement "if (ncpumaps < 1 || !cpumap...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8288:
dead_error_condition: On this path, the condition "maplen < 0" cannot be true.
/libvirt/src/libvirt.c:8288:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "maplen < 0".
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8288:
dead_error_line: Execution cannot reach this expression "ncpumaps < 0" inside statement "if (ncpumaps < 1 || !cpumap...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8288:
dead_error_condition: On this path, the condition "maplen == 0" cannot be true.
/libvirt/src/libvirt.c:8288:
at_least: After this line, the value of "maplen" is at least 1.
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "maplen < 0".
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "maplen <= 0".
/libvirt/src/libvirt.c:8288:
dead_error_line: Execution cannot reach this expression "0" inside statement "if (ncpumaps < 1 || !cpumap...".

Error: DEADCODE:
/libvirt/src/libvirt.c:8288:
dead_error_condition: On this path, the condition "ncpumaps < 0" cannot be true.
/libvirt/src/libvirt.c:8288:
at_least: After this line, the value of "ncpumaps" is at least 1.
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "ncpumaps < 0".
/libvirt/src/libvirt.c:8288:
new_values: Noticing condition "ncpumaps < 1".
/libvirt/src/libvirt.c:8288:
dead_error_line: Execution cannot reach this expression "ncpumaps" inside statement "if (ncpumaps < 1 || !cpumap...".

Error: DEADCODE:
/libvirt/src/lxc/lxc_controller.c:885:
dead_error_condition: On this path, the condition "ret == 4" cannot be true.
/libvirt/src/lxc/lxc_controller.c:884:
at_most: After this line, the value of "ret" is at most -1.
/libvirt/src/lxc/lxc_controller.c:884:
new_values: Noticing condition "ret < 0".
/libvirt/src/lxc/lxc_controller.c:886:
dead_error_line: Execution cannot reach this statement "continue;".

Error: FORWARD_NULL:
/libvirt/src/util/command.c:1604:
var_compare_op: Comparing "cmd->errbuf" to null implies that "cmd->errbuf" might be null.
/libvirt/src/util/command.c:1658:
alias_transfer: Assigning null: "buf" = "cmd->errbuf".
/libvirt/src/util/command.c:1680:
var_deref_model: Passing null variable "buf" to function "virReallocN", which dereferences it. (The dereference is assumed on the basis of the 'nonnull' parameter attribute.)

Error: FORWARD_NULL:
/libvirt/src/util/command.c:1597:
var_compare_op: Comparing "cmd->outbuf" to null implies that "cmd->outbuf" might be null.
/libvirt/src/util/command.c:1655:
alias_transfer: Assigning null: "buf" = "cmd->outbuf".
/libvirt/src/util/command.c:1680:
var_deref_model: Passing null variable "buf" to function "virReallocN", which dereferences it. (The dereference is assumed on the basis of the 'nonnull' parameter attribute.)

Error: FORWARD_NULL:
/libvirt/src/rpc/virnetserver.c:726:
var_compare_op: Comparing "srv->clients" to null implies that "srv->clients" might be null.
/libvirt/src/rpc/virnetserver.c:748:
var_deref_op: Dereferencing null variable "srv->clients".

Error: FORWARD_NULL:
/libvirt/src/qemu/qemu_driver.c:3568:
assign_zero: Assigning: "targetDef" = 0.
/libvirt/src/qemu/qemu_driver.c:3630:
var_deref_op: Dereferencing null variable "targetDef".

Error: FORWARD_NULL:
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:3567:
var_compare_op: Comparing "inst" to null implies that "inst" might be null.
/libvirt/src/nwfilter/nwfilter_ebiptables_driver.c:3574:
var_deref_op: Dereferencing null variable "inst".

Error: FORWARD_NULL:
/libvirt/tools/virsh.c:14538:
var_compare_op: Comparing "from" to null implies that "from" might be null.
/libvirt/tools/virsh.c:14539:
var_deref_model: Passing null variable "from" to function "__coverity_strcmp", which dereferences it.

Error: FORWARD_NULL:
/libvirt/src/qemu/qemu_driver.c:6595:
assign_zero: Assigning: "group" = 0.
/libvirt/src/qemu/qemu_driver.c:6723:
var_deref_model: Passing null variable "group" to function "virCgroupGetMemoryHardLimit", which dereferences it.
/libvirt/src/util/cgroup.c:1106:
deref_parm_in_call: Function "virCgroupGetValueU64" dereferences parameter "group".
/libvirt/src/util/cgroup.c:434:
deref_parm_in_call: Function "virCgroupGetValueStr" dereferences parameter "group".
/libvirt/src/util/cgroup.c:343:
deref_parm_in_call: Function "virCgroupPathOfController" dereferences parameter "group".
/libvirt/src/util/cgroup.c:280:
deref_parm: Directly dereferencing parameter "group".

Error: LOCK:
/libvirt/src/datatypes.c:1067:
lock: "virMutexLock" locks "secret->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:1074:
missing_unlock: Returning without unlocking "secret->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:406:
lock: "virMutexLock" locks "network->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:413:
missing_unlock: Returning without unlocking "network->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:144:
lock: "virMutexLock" locks "conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:151:
missing_unlock: Returning without unlocking "conn->lock.lock".

Error: LOCK:
/libvirt/src/util/event_poll.c:441:
lock: "virMutexLock" locks "eventLoop.lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/util/event_poll.c:444:
missing_unlock: Returning without unlocking "eventLoop.lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:275:
lock: "virMutexLock" locks "domain->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:282:
missing_unlock: Returning without unlocking "domain->conn->lock.lock".

Error: LOCK:
/libvirt/src/nwfilter/nwfilter_learnipaddr.c:180:
lock: "virMutexLock" locks "ifaceLock->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/nwfilter/nwfilter_learnipaddr.c:182:
missing_unlock: Returning without unlocking "ifaceLock->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:1125:
lock: "virMutexLock" locks "st->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:1132:
missing_unlock: Returning without unlocking "st->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:676:
lock: "virMutexLock" locks "pool->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:683:
missing_unlock: Returning without unlocking "pool->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:820:
lock: "virMutexLock" locks "vol->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:827:
missing_unlock: Returning without unlocking "vol->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:1351:
lock: "virMutexLock" locks "snapshot->domain->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:1358:
missing_unlock: Returning without unlocking "snapshot->domain->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:1260:
lock: "virMutexLock" locks "nwfilter->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:1268:
missing_unlock: Returning without unlocking "nwfilter->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:938:
lock: "virMutexLock" locks "dev->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:945:
missing_unlock: Returning without unlocking "dev->conn->lock.lock".

Error: LOCK:
/libvirt/src/datatypes.c:542:
lock: "virMutexLock" locks "iface->conn->lock.lock".
/libvirt/src/util/threads-pthread.c:85:
lock: "pthread_mutex_lock" locks "m->lock".
/libvirt/src/datatypes.c:549:
missing_unlock: Returning without unlocking "iface->conn->lock.lock".

Error: NEGATIVE_RETURNS:
/libvirt/src/util/buf.c:147:
negative_return_fn: Function "virBufferGetIndent(buf, true)" returns a negative number.
/libvirt/src/util/buf.c:89:
return_negative_constant: Explicitly returning negative value "-1".
/libvirt/src/util/buf.c:147:
var_assign: Assigning: signed variable "indent" = "virBufferGetIndent".
/libvirt/src/util/buf.c:157:
negative_returns: "indent" is passed to a parameter that cannot be negative.

Error: NEGATIVE_RETURNS:
/libvirt/src/util/command.c:1620:
var_tested_neg: Variable "infd" tests negative.
/libvirt/src/util/command.c:1693:
negative_returns: "infd" is passed to a parameter that cannot be negative.

Error: NULL_RETURNS:
/libvirt/src/qemu/qemu_hostdev.c:102:
example_checked: "pciDeviceListFind(driver->activePciHostdevs, dev)" has its value checked in "activeDev = pciDeviceListFind(driver->activePciHostdevs, dev)".
/libvirt/src/qemu/qemu_hostdev.c:415:
example_assign: Assigning: "activeDev" = return value from "pciDeviceListFind(driver->activePciHostdevs, dev)".
/libvirt/src/qemu/qemu_hostdev.c:416:
example_checked: "activeDev" has its value checked in "activeDev".
/libvirt/src/qemu/qemu_hostdev.c:196:
example_checked: "pciDeviceListFind(driver->activePciHostdevs, dev)" has its value checked in "other = pciDeviceListFind(driver->activePciHostdevs, dev)".
/libvirt/src/qemu/qemu_hostdev.c:268:
example_checked: "pciDeviceListFind(pcidevs, dev)" has its value checked in "pcidev = pciDeviceListFind(pcidevs, dev)".
/libvirt/src/util/pci.c:1488:
example_checked: "pciDeviceListFind(list, dev)" has its value checked in "pciDeviceListFind(list, dev)".
/libvirt/src/qemu/qemu_hostdev.c:243:
returned_null: Function "pciDeviceListFind" returns null (checked 9 out of 10 times).
/libvirt/src/util/pci.c:1572:
return_null: Explicitly returning NULL.
/libvirt/src/qemu/qemu_hostdev.c:243:
var_assigned: Assigning: "activeDev" = null return value from "pciDeviceListFind".
/libvirt/src/qemu/qemu_hostdev.c:245:
dereference: Dereferencing a pointer that might be null "activeDev" when calling "pciDeviceSetUsedBy".
/libvirt/src/util/pci.c:1436:
deref_parm: Directly dereferencing parameter "dev".

Error: RESOURCE_LEAK:
/libvirt/src/util/uuid.c:238:
open_fn: Calling opening function "open".
/libvirt/src/util/uuid.c:238:
var_assign: Assigning: "fd" =  handle returned from "open(paths[i], 0)".
/libvirt/src/util/uuid.c:239:
off_by_one: Testing whether handle "fd" is strictly greater than zero is suspicious.  Did you intend to include equality with zero?  "fd" leaks when it is zero.
/libvirt/src/util/uuid.c:247:
leaked_handle: Handle variable "fd" going out of scope leaks the handle.

Error: RESOURCE_LEAK:
/libvirt/src/esx/esx_vi.c:1893:
alloc_arg: Calling allocation function "esxVI_ObjectSpec_Alloc" on "objectSpec".
/libvirt/src/esx/esx_vi_types.generated.c:2065:
alloc_arg: "esxVI_Alloc" allocates memory that is stored into "*ptrptr".
/libvirt/src/esx/esx_vi.c:1626:
alloc_arg: "virAllocN" allocates memory that is stored into "*ptrptr".
/libvirt/src/util/memory.c:129:
alloc_fn: Storage is returned from allocation function "calloc".
/libvirt/src/util/memory.c:129:
var_assign: Assigning: "*((void **)ptrptr)" = "calloc(count, size)".
/libvirt/src/esx/esx_vi.c:2006:
leaked_storage: Variable "objectSpec" going out of scope leaks the storage it points to.

Error: RESOURCE_LEAK:
/libvirt/src/esx/esx_vi.c:1945:
alloc_arg: Calling allocation function "esxVI_PropertySpec_Alloc" on "propertySpec".
/libvirt/src/esx/esx_vi_types.generated.c:2693:
alloc_arg: "esxVI_Alloc" allocates memory that is stored into "*ptrptr".
/libvirt/src/esx/esx_vi.c:1626:
alloc_arg: "virAllocN" allocates memory that is stored into "*ptrptr".
/libvirt/src/util/memory.c:129:
alloc_fn: Storage is returned from allocation function "calloc".
/libvirt/src/util/memory.c:129:
var_assign: Assigning: "*((void **)ptrptr)" = "calloc(count, size)".
/libvirt/src/esx/esx_vi.c:2006:
leaked_storage: Variable "propertySpec" going out of scope leaks the storage it points to.

Error: RESOURCE_LEAK:
/libvirt/src/esx/esx_vi.c:3913:
alloc_arg: Calling allocation function "esxVI_ObjectSpec_Alloc" on "objectSpec".
/libvirt/src/esx/esx_vi_types.generated.c:2065:
alloc_arg: "esxVI_Alloc" allocates memory that is stored into "*ptrptr".
/libvirt/src/esx/esx_vi.c:1626:
alloc_arg: "virAllocN" allocates memory that is stored into "*ptrptr".
/libvirt/src/util/memory.c:129:
alloc_fn: Storage is returned from allocation function "calloc".
/libvirt/src/util/memory.c:129:
var_assign: Assigning: "*((void **)ptrptr)" = "calloc(count, size)".
/libvirt/src/esx/esx_vi.c:4075:
leaked_storage: Variable "objectSpec" going out of scope leaks the storage it points to.

Error: RESOURCE_LEAK:
/libvirt/src/esx/esx_vi.c:3920:
alloc_arg: Calling allocation function "esxVI_PropertySpec_Alloc" on "propertySpec".
/libvirt/src/esx/esx_vi_types.generated.c:2693:
alloc_arg: "esxVI_Alloc" allocates memory that is stored into "*ptrptr".
/libvirt/src/esx/esx_vi.c:1626:
alloc_arg: "virAllocN" allocates memory that is stored into "*ptrptr".
/libvirt/src/util/memory.c:129:
alloc_fn: Storage is returned from allocation function "calloc".
/libvirt/src/util/memory.c:129:
var_assign: Assigning: "*((void **)ptrptr)" = "calloc(count, size)".
/libvirt/src/esx/esx_vi.c:4075:
leaked_storage: Variable "propertySpec" going out of scope leaks the storage it points to.

Error: RESOURCE_LEAK:
/libvirt/src/qemu/qemu_driver.c:6107:
alloc_arg: Calling allocation function "qemuDomainParseDeviceWeightStr" on "devices".
/libvirt/src/qemu/qemu_driver.c:5918:
alloc_arg: "virAllocN" allocates memory that is stored into "result".
/libvirt/src/util/memory.c:129:
alloc_fn: Storage is returned from allocation function "calloc".
/libvirt/src/util/memory.c:129:
var_assign: Assigning: "*((void **)ptrptr)" = "calloc(count, size)".
/libvirt/src/qemu/qemu_driver.c:5957:
var_assign: Assigning: "*dw" = "result".
/libvirt/src/qemu/qemu_driver.c:6127:
leaked_storage: Variable "devices" going out of scope leaks the storage it points to.

Error: RETURN_LOCAL:
/libvirt/gnulib/lib/careadlinkat.c:101:
local_ptr_assign_local: Assigning: "buffer" = "stack_buf" (address of local variable "stack_buf").
/libvirt/gnulib/lib/careadlinkat.c:105:
local_ptr_assign_ptr: Assigning: "buf" = "buffer".
/libvirt/gnulib/lib/careadlinkat.c:152:
return_local_addr_alias: Returning pointer "buf" which points to local variable "stack_buf".

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1876:
deref_ptr_in_call: Dereferencing pointer "machineName".
/libvirt/src/vbox/vbox_tmpl.c:1935:
check_after_deref: Dereferencing "machineName" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1388:
deref_ptr_in_call: Dereferencing pointer "machineNameUtf8".
/libvirt/src/vbox/vbox_tmpl.c:1413:
check_after_deref: Dereferencing "machineNameUtf8" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1876:
deref_ptr_in_call: Dereferencing pointer "machineName".
/libvirt/src/vbox/vbox_tmpl.c:1935:
check_after_deref: Dereferencing "machineName" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1388:
deref_ptr_in_call: Dereferencing pointer "machineNameUtf8".
/libvirt/src/vbox/vbox_tmpl.c:1413:
check_after_deref: Dereferencing "machineNameUtf8" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1876:
deref_ptr_in_call: Dereferencing pointer "machineName".
/libvirt/src/vbox/vbox_tmpl.c:1935:
check_after_deref: Dereferencing "machineName" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1388:
deref_ptr_in_call: Dereferencing pointer "machineNameUtf8".
/libvirt/src/vbox/vbox_tmpl.c:1413:
check_after_deref: Dereferencing "machineNameUtf8" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1876:
deref_ptr_in_call: Dereferencing pointer "machineName".
/libvirt/src/vbox/vbox_tmpl.c:1935:
check_after_deref: Dereferencing "machineName" before a null check.

Error: REVERSE_INULL:
/libvirt/src/vbox/vbox_tmpl.c:1388:
deref_ptr_in_call: Dereferencing pointer "machineNameUtf8".
/libvirt/src/vbox/vbox_tmpl.c:1413:
check_after_deref: Dereferencing "machineNameUtf8" before a null check.

Error: UNINIT:
/libvirt/src/util/command.c:154:
var_decl: Declaring variable "sig_action" without initializer.
/libvirt/src/util/command.c:234:
uninit_use_in_call: Using uninitialized value "sig_action": field "sig_action".sa_restorer is uninitialized when calling "sigaction".

Error: UNINIT:
/libvirt/tools/virsh.c:581:
var_decl: Declaring variable "sig_action" without initializer.
/libvirt/tools/virsh.c:587:
uninit_use_in_call: Using uninitialized value "sig_action": field "sig_action".sa_restorer is uninitialized when calling "sigaction".

Error: UNINIT:
/libvirt/src/rpc/virnetserver.c:283:
var_decl: Declaring variable "sig_action" without initializer.
/libvirt/src/rpc/virnetserver.c:297:
uninit_use_in_call: Using uninitialized value "sig_action": field "sig_action".sa_restorer is uninitialized when calling "sigaction".

Error: UNUSED_VALUE:
/libvirt/tools/virsh.c:7837:
returned_pointer: Pointer "br_node" returned by "virXPathNode("./bridge", ctxt)" is never used.

Error: UNUSED_VALUE:
/libvirt/tools/virsh.c:7842:
returned_pointer: Pointer "if_node" returned by "virXPathNode("./bridge/interface[2]", ctxt)" is never used.