Bug 247319 - Assertion failed: ((flags[0] & VRING_DESC_F_WRITE) == 0), function pci_vtblk_proc, file /usr/src/usr.sbin/bhyve/pci_virtio_block.c, line 224.
Summary: Assertion failed: ((flags[0] & VRING_DESC_F_WRITE) == 0), function pci_vtblk_...
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: bhyve (show other bugs)
Version: 12.1-RELEASE
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-virtualization (Nobody)
Depends on:
Reported: 2020-06-16 16:38 UTC by bugs-syssec
Modified: 2020-06-16 16:38 UTC (History)
0 users

See Also:

virtio_blk_3.zip (213.83 KB, application/zip)
2020-06-16 16:38 UTC, bugs-syssec
no flags Details

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Description bugs-syssec 2020-06-16 16:38:01 UTC
Created attachment 215620 [details]

To reproduce run the following commands:
bhyvectl --vm=testvm --destroy
bhyve.full -s 2:0,ahci-cd,hypertrash_os_bios_crash.iso -w -H -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio -s 3,fbuf,tcp=,w=800,h=600 -c 1 -m 320M -s 4:0,virtio-blk,disk.img -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI_CSM.fd testvm

bhyve version:
# freebsd 12.1
$ svnlite checkout https://svn.freebsd.org/base/releng/12.1 /usr/src
$ cd /usr/src/usr.sbin/bhyve/; make -m /usr/src/share/mk
$ ls /usr/obj/usr/src/amd64.amd64/usr.sbin/bhyve/bhyve.full

kldload vmm
dd if=/dev/zero of=disk.img bs=1024 count=1024