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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_missing/host_missing/accel_missing/1066.toml
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloadqemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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+id = 1066
+title = "virtfs fails to access contents of non-readable directories"
+state = "opened"
+created_at = "2022-06-06T14:50:03.134Z"
+closed_at = "n/a"
+labels = ["block:9p"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1066"
+host-os = "Linux Gentoo"
+host-arch = "x86_64"
+qemu-version = "7.0.0"
+guest-os = "Linux"
+guest-arch = "x86_64"
+description = """Attempting to access a directory inside a non-readable directory via virtfs fails."""
+reproduce = """On host:
+1. `mkdir -p test/foo/bar`
+2. `echo hello world >test/foo/bar/baz.txt`
+3. `chmod -r test/foo`
+
+The following works on host:
+
+```
+$ ls test
+foo
+$ ls test/foo
+ls: cannot open directory 'test/foo': Permission denied
+$ ls test/foo/bar
+baz.txt
+```
+
+However on guest:
+
+```
+bash-5.1# ls /test/
+foo
+bash-5.1# ls /test/foo/
+ls: cannot open directory '/test/foo/': Permission denied
+bash-5.1# ls /test/foo/bar/
+ls: cannot access '/test/foo/bar/': Permission denied
+```"""
+additional = """I am guessing virtfs attempts to check rights (via access?) on the directory itself when obtaining an inode to give to the guest, however not having read access doesn't mean something can't be executed, especially for directories."""