https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280098
--- Comment #8 from commit-h...@freebsd.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=f5cc62e54a7f8ae9b8bb1484e0ebb22352c95d36 commit f5cc62e54a7f8ae9b8bb1484e0ebb22352c95d36 Author: Danilo Egea Gondolfo <dan...@freebsd.org> AuthorDate: 2024-07-06 16:51:51 +0000 Commit: Gleb Popov <arr...@freebsd.org> CommitDate: 2025-07-04 13:28:06 +0000 virtio_p9fs: fix panic on qemu/kvm When the module is loaded on a system running on qemu/kvm the "modern" virtio infrastructure is used and virtio_read_device_config() will end up calling vtpci_modern_read_dev_config(). This function cannot read values of arbitrary sizes and will panic if the p9fs mount tag size is not supported by it. Use virtio_read_device_config_array() instead. It was tested on both bhyve and qemu/kvm. PR: 280098 Co-authored-by: Mark Peek <m...@freebsd.org> Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1320 (cherry picked from commit 814bf1fddd27aea69740f9e7426302354285cad4) sys/dev/virtio/p9fs/virtio_p9fs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- You are receiving this mail because: You are the assignee for the bug.
