[Qemu-devel] [Bug 1462944] Re: vpc file causes qemu-img to consume lots of time and memory

2018-08-13 Thread Launchpad Bug Tracker
[Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete => Expired -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1462944 Title: vpc file

[Qemu-devel] [Bug 1462944] Re: vpc file causes qemu-img to consume lots of time and memory

2018-06-14 Thread Richard Jones
I suspect this bug is probably still around, and if not then this class of bugs is certainly still around. What we have done in management tools like Open Stack is to confine qemu-img using simple ulimits when inspecting any untrusted image, and that solves the problem so it's probably fine to

[Qemu-devel] [Bug 1462944] Re: vpc file causes qemu-img to consume lots of time and memory

2018-06-14 Thread Thomas Huth
Is there still something left to do here, or could we close this ticket nowadays? ** Changed in: qemu Status: New => Incomplete -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1462944 Title:

[Qemu-devel] [Bug 1462944] Re: vpc file causes qemu-img to consume lots of time and memory

2015-06-08 Thread Richard Jones
This slightly modified example takes about 7 seconds and 2 GB of heap: $ /usr/bin/time ~/d/qemu/qemu-img info /mnt/scratch/afl13.img block-vpc: The header checksum of '/mnt/scratch/afl13.img' is incorrect. qemu-img: Could not open '/mnt/scratch/afl13.img': block-vpc: free_data_block_offset