Hi, I get the below crash when running virtio-fs on fedora 39.
Note: weirdly this makes chrome running on the host also crash. Eric Sandeen also reported some bad behavior of virtio-fs on fc39, which might be related. Versions: kernel-6.8.4-200.fc39.x86_64 qemu-kvm-8.1.3-5.fc39.x86_64 virtiofsd-1.10.1-1.fc39.x86_64 Thanks, Miklos /usr/libexec/virtiofsd --socket-path=/tmp/vhostqemu --shared-dir /home & qemu-system-x86_64 -enable-kvm -s -serial none -parallel none -kernel /home/mszeredi/git/linux/arch/x86_64/boot/bzImage -drive format=raw,file=/home/mszeredi/root_fs,index=0,if=virtio -drive format=raw,file=/home/mszeredi/images/ubd1,index=1,if=virtio -chardev stdio,id=virtiocon0,signal=off -device virtio-serial -device virtconsole,chardev=virtiocon0 -cpu host -m 16G -smp 8 -object memory-backend-file,id=mem,size=16G,mem-path=/dev/shm,share=on -numa node,memdev=mem -net user -net nic,model=virtio-net-pci -fsdev local,security_model=none,id=fsdev0,path=/home -device virtio-rng-pci -chardev socket,id=char0,path=/tmp/vhostqemu -device vhost-user-fs-pci,queue-size=1024,chardev=char0,tag=myfs -device virtio-9p-pci,fsdev=fsdev0,mount_tag=hostshare -append "root=/dev/vda console=hvc0 " [...] root@kvm:~# time md5sum /host/mszeredi/images/ubd1 error: kvm run failed Bad address RAX=0000000000000000 RBX=ffff888100044240 RCX=0000000000000000 RDX=ffff888420c59ff0 RSI=0000000000000020 RDI=ffff888420c59ff8 RBP=0000000000000000 RSP=ffffc900016d3898 R8 =ffff888420c59da8 R9 =0000000000000040 R10=0000000000036140 R11=0000000000000005 R12=ffff888420c59ff0 R13=000000000000000d R14=ffffea0010831600 R15=ffff888420c59da8 RIP=ffffffff82168d80 RFL=00010046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00007fb83cea8740 ffffffff 00c00000 GS =0000 ffff88842fd40000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe000012a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000128000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2d3bd9b0f0 CR3=00000001036ee005 CR4=00770ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 Code=90 90 90 90 48 c7 07 00 00 00 00 48 89 fa 48 8d 7f 08 31 c0 <48> c7 87 30 02 00 00 00 00 00 00 48 89 d1 48 83 e7 f8 48 29 f9 81 c1 40 02 00 00 c1 e9 03
