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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:34:26 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:35:44 +0000
commit25f8033d556aa17afaea4a5196ea7a69fe248320 (patch)
tree0f056db167683be54ea1e5e72d29d6069af55e7d /results/classifier/deepseek-2-tmp/output/socket/2337
parent8e6da29e4ee5fc14bc1cc816a24f21271f14090d (diff)
downloadqemu-analysis-25f8033d556aa17afaea4a5196ea7a69fe248320.tar.gz
qemu-analysis-25f8033d556aa17afaea4a5196ea7a69fe248320.zip
add new temporary deepseek-r1:14b results
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+
+Os boot issues on 9p filesystem due to unix domain sockets open failure
+Description of problem:
+Unix filesystem API is broken, unix domain socket special files return an error at open()
+Steps to reproduce:
+Simple script. Tries to use netcat to get data through a local unix domain socket file   
+```
+#!/bin/bash
+
+# Cleanup target dir
+[ -d ./target ] && rm -rf target
+mkdir target
+
+# Add configuration updates
+mkdir -p ./target/etc/initramfs-tools/
+echo 9p >> ./target/etc/initramfs-tools/modules
+echo 9pnet_virtio >> ./target/etc/initramfs-tools/modules
+
+# Add the test script
+cat > ./target/test_init << EOF
+#!/bin/bash
+
+echo "Test for unix domain sockets"
+
+nc -Ul /socket &
+sleep 1
+echo "Sockets work" | nc -UN /socket || echo "Sockets fail"
+
+echo o > /proc/sysrq-trigger
+sleep 999
+EOF
+chmod 700 ./target/test_init
+
+# Create an Ubuntu 23.10 around it
+echo "Creating Ubuntu target OS"
+debootstrap --variant=minbase\
+            --include=udev,kmod,initramfs-tools,systemd,netcat-openbsd,linux-image-generic \
+            --exclude=man,bash-completion \
+            mantic ./target > /dev/null || exit 1
+
+# Run the test in 9p forwarded filesystem
+echo "Running OS in qemu"
+qemu-system-s390x \
+  -m 8192 \
+  -smp 4 \
+  -nodefaults -nographic -no-reboot -no-user-config \
+  -kernel ./target/boot/vmlinuz \
+  -initrd ./target/boot/initrd.img \
+  -append 'root=fsRoot rw rootfstype=9p rootflags=trans=virtio,version=9p2000.L,msize=512000,cache=mmap,posixacl console=ttysclp0 init=/test_init quiet' \
+  -fsdev local,security_model=passthrough,multidevs=remap,id=fsdev-fsRoot,path=./target \
+  -device virtio-9p-pci,id=fsRoot,fsdev=fsdev-fsRoot,mount_tag=fsRoot \
+  -device virtio-serial-ccw -device sclpconsole,chardev=console \
+  -chardev stdio,id=console,signal=off 
+```
+Additional information:
+Test output:
+```
+Test for unix domain sockets
+qemu-system-s390x: 9p: broken or compromised client detected; attempt to open special file (i.e. neither regular file, nor directory)
+nc: No such device or address
+nc: /socket: No such file or directory
+Sockets fail
+```