mirror of https://gitee.com/openkylin/libvirt.git
85c3a1820a
Do not dereference the 'dmn' until after the virStateCleanup is completed.
During initialization, virStateInitialize requires/uses the "dmn" as the
argument to/for the daemonInhibitCallback functions. Thus, cleanup cannot
dereference 'dmn' until after calling the virStateCleanup which calls the
the daemonInhibitCallback using 'dmn'; otherwise, the following crash occurs:
backtrace (shortened a bit)
1 0x00007fd3a791b2e6 in virCondWait (c=<optimized out>, m=<optimized out>)
at util/virthread.c:154
2 0x00007fd3a791bcb0 in virThreadPoolFree (pool=0x7fd38024ee00)
at util/virthreadpool.c:266
3 0x00007fd38edaa00e in qemuStateCleanup () at qemu/qemu_driver.c:1116
4 0x00007fd3a79abfeb in virStateCleanup () at libvirt.c:808
5 0x00007fd3a85f2c9e in main (argc=<optimized out>, argv=<optimized out>)
at libvirtd.c:1660
Thread 1 (Thread 0x7fd38722d700 (LWP 32256)):
0 0x00007fd3a7900910 in virClassIsDerivedFrom
(klass=0xdfd36058d4853, parent=0x7fd3a8f394d0) at util/virobject.c:169
1 0x00007fd3a7900c4e in virObjectIsClass
(anyobj=anyobj@entry=0x7fd3a8f2f850, klass=<optimized out>)
at util/virobject.c:365
2 0x00007fd3a7900c74 in virObjectLock (anyobj=0x7fd3a8f2f850)
at util/virobject.c:317
3 0x00007fd3a7a24d5d in virNetDaemonRemoveShutdownInhibition
(dmn=0x7fd3a8f2f850) at rpc/virnetdaemon.c:547
4 0x00007fd38ed722cf in qemuProcessStop
(driver=driver@entry=0x7fd380103810, vm=vm@entry=0x7fd38025b6d0,
reason=reason@entry=VIR_DOMAIN_SHUTOFF_SHUTDOWN,
asyncJob=asyncJob@entry=QEMU_ASYNC_JOB_NONE, flags=flags@entry=0)
at qemu/qemu_process.c:5786
5 0x00007fd38edd9428 in processMonitorEOFEvent
(vm=0x7fd38025b6d0, driver=0x7fd380103810) at qemu/qemu_driver.c:4588
6 qemuProcessEventHandler (data=<optimized out>, opaque=0x7fd380103810)
at qemu/qemu_driver.c:4632
7 0x00007fd3a791bb55 in virThreadPoolWorker
(opaque=opaque@entry=0x7fd3a8f1e4c0) at util/virthreadpool.c:145
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| .. | ||
| Makefile.am | ||
| THREADS.txt | ||
| admin.c | ||
| admin.h | ||
| admin_server.c | ||
| admin_server.h | ||
| libvirt.rules | ||
| libvirtd-config.c | ||
| libvirtd-config.h | ||
| libvirtd.aug | ||
| libvirtd.c | ||
| libvirtd.conf | ||
| libvirtd.h | ||
| libvirtd.init.in | ||
| libvirtd.libxl.logrotate.in | ||
| libvirtd.logrotate.in | ||
| libvirtd.lxc.logrotate.in | ||
| libvirtd.pod | ||
| libvirtd.policy.in | ||
| libvirtd.qemu.logrotate.in | ||
| libvirtd.sasl | ||
| libvirtd.service.in | ||
| libvirtd.sysconf | ||
| libvirtd.sysctl | ||
| libvirtd.uml.logrotate.in | ||
| libvirtd.upstart | ||
| remote.c | ||
| remote.h | ||
| stream.c | ||
| stream.h | ||
| test_libvirtd.aug.in | ||