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Description of problem: qemu-kvm core dumps when set password to vnc protocol while boot with spice Version-Release number of selected component (if applicable): qemu-kvm-0.15.1-3.3.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1.boot guest with spice qemu-kvm -monitor stdio -S -spice port=8010,disable-ticketing ...... 2.(qemu) set_password vnc helo (qemu) expire_password vnc +53 Segmentation fault (core dumped) 3. Actual results: qemu-kvm core dump Expected results: qemu-kvm raise warning or error like [there's not boot with vnc, so can not set password to vnc protocol] Additional info: #0 vnc_display_pw_expire (ds=0x0, expires=1331925755) at ui/vnc.c:2690 2690 vs->expires = expires; (gdb) bt #0 vnc_display_pw_expire (ds=0x0, expires=1331925755) at ui/vnc.c:2690 #1 0x00007f4430d75a75 in handle_user_command (mon=0x7f44330f17c0, cmdline=<optimized out>) at /usr/src/debug/qemu-kvm-0.15.1/monitor.c:4530 #2 0x00007f4430d75ece in monitor_command_cb (mon=0x7f44330f17c0, cmdline=<optimized out>, opaque=<optimized out>) at /usr/src/debug/qemu-kvm-0.15.1/monitor.c:5176 #3 0x00007f4430dd2fba in readline_handle_byte (rs=0x7f44330f1c30, ch=<optimized out>) at readline.c:370 #4 0x00007f4430d75c79 in monitor_read (opaque=<optimized out>, buf=0x7fffae58dd80 "\n\036\222,D\177", size=1) at /usr/src/debug/qemu-kvm-0.15.1/monitor.c:5162 #5 0x00007f4430df8b65 in qemu_chr_read (len=<optimized out>, buf=0x7fffae58dd80 "\n\036\222,D\177", s=0x7f4432f77cd0) at qemu-char.c:179 #6 tcp_chr_read (opaque=0x7f4432f77cd0) at qemu-char.c:2229 #7 0x00007f4430e06f8a in qemu_iohandler_poll (readfds=0x7fffae58ee30, writefds=0x7fffae58eeb0, xfds=<optimized out>, ret=<optimized out>) at iohandler.c:155 #8 0x00007f4430d7b309 in main_loop_wait (nonblocking=<optimized out>) at /usr/src/debug/qemu-kvm-0.15.1/vl.c:1348 #9 0x00007f4430d65449 in main_loop () at /usr/src/debug/qemu-kvm-0.15.1/vl.c:1392 #10 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at /usr/src/debug/qemu-kvm-0.15.1/vl.c:3378
Created attachment 570606 [details] gdb-output detail gdb thread apply all bt full
aha, forgot to say: if boot guest with " -vnc :0", it doesn't core dump, just work well. Best Regards, Xiaoqing Wei.
able to reproduce on version qemu-kvm-1.0-9.2.el7.x86_64
Patch posted upstream. http://patchwork.ozlabs.org/patch/157888/
Patch is upstream.
Too old to find qemu-kvm-1.0-9.2.el7.x86_64, try reproduce on qemu-kvm-1.3.0-3.el7.x86_64, but not found this problem. Steps: Starting program: /usr/libexec/qemu-kvm -name vm1 -nodefaults -chardev socket,id=qmp_id_qmpmonitor1,path=/tmp/monitor-qmpmonitor1-20130218-133213-tne4yYwu,server,nowait -mon chardev=qmp_id_qmpmonitor1,mode=control -drive file=/home/rhel6u1-64.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:39:13:2c -m 4096 -smp 4,maxcpus=4,cores=2,threads=1,sockets=2 -cpu SandyBridge,hv_relaxed -M pc -rtc base=localtime,clock=host,driftfix=slew -boot menu=on -enable-kvm -monitor stdio -vga qxl -spice port=5900,disable-ticketing -drive file=/home/boot.iso,if=none,id=drive-ide0-0-1,media=cdrom,format=raw -device ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,bootindex=0 -S [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Detaching after fork from child process 19035. (qemu) QEMU 1.3.0 monitor - type 'help' for more information (qemu) (qemu) set set_link set_password (qemu) set_password vnc[Thread 0x7fffeb89f700 (LWP 19040) exited] set_password vnc helo Could not set password (qemu) expire_password vnc +23 Could not set password (qemu) Update qemu-kvm to the latest version and test it, not found the problem. Host: RHEL-7.0-20131222.0 kernel-3.10.0-69.el7.x86_64 qemu-kvm-1.5.3-38.el7.x86_64 Steps: Starting program: /usr/libexec/qemu-kvm -name vm1 -nodefaults -chardev socket,id=qmp_id_qmpmonitor1,path=/tmp/monitor-qmpmonitor1-20130218-133213-tne4yYwu,server,nowait -mon chardev=qmp_id_qmpmonitor1,mode=control -drive file=/home/rhel7-64.raw,if=none,id=drive-virtio-disk0,format=raw,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pci.0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:39:13:2c -m 4096 -smp 4,maxcpus=4,cores=2,threads=1,sockets=2 -cpu Opteron_G1 -M pc -rtc base=localtime,clock=host,driftfix=slew -boot menu=on -enable-kvm -monitor stdio -vga qxl -spice port=5900,disable-ticketing -S [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Detaching after fork from child process 32556. QEMU 1.5.3 monitor - type 'help' for more information (qemu) [New Thread 0x7fffeaeb4700 (LWP 32562)] [New Thread 0x7fffea6b3700 (LWP 32563)] [New Thread 0x7fffe9eb2700 (LWP 32564)] [New Thread 0x7fffe96b1700 (LWP 32565)] [New Thread 0x7fffdaffe700 (LWP 32566)] [New Thread 0x7fffda7fd700 (LWP 32568)] (qemu) [Thread 0x7fffda7fd700 (LWP 32568) exited] (qemu) set set_link set_password (qemu) set_password vnc hhh Could not set password (qemu) expire_password vnc +32 Could not set password (qemu) (qemu) set_password vnc sadferf Could not set password (qemu) expire_password vnc 23153454 Could not set password This problem has gone.
This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request.