diff options
| author | Mickaël Salaün <mic@linux.microsoft.com> | 2021-01-08 11:32:10 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2021-02-04 16:59:33 +0100 |
| commit | dd7bedf2b24e30cb4df9fc5ce976f7971527c54c (patch) | |
| tree | 92ee615e243c830865dc7340ef0dcda3b1fa4d0b /sys/linux | |
| parent | 4cc276ec62f6914b497d4384f7baa0dcf8e9ed62 (diff) | |
sys/linux: add mount$bind variant
mount$bind() is useful for Landlock fuzzing.
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Diffstat (limited to 'sys/linux')
| -rw-r--r-- | sys/linux/filesystem.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/linux/filesystem.txt b/sys/linux/filesystem.txt index ec40601c3..64383c98f 100644 --- a/sys/linux/filesystem.txt +++ b/sys/linux/filesystem.txt @@ -12,6 +12,12 @@ mount$bpf(src const[0], dst ptr[in, filename], type ptr[in, string["bpf"]], flag mount$overlay(src const[0], dst ptr[in, filename], type ptr[in, string["overlay"]], flags flags[mount_flags], opts ptr[in, fs_options[overlay_options]]) mount$binder(src const[0], dst ptr[in, filename], type ptr[in, string["binder"]], flags flags[mount_flags], opts ptr[in, fs_options[binder_options]]) +# A bind mount ignores the filesystem type argument, but +# pkg/host/syscalls_linux.go:isSupportedFilesystem() requires one in +# /proc/filesystems. Use a common and valid filesystem string ("pipefs") to +# pass the check. +mount$bind(src ptr[in, filename], dst ptr[in, filename], type ptr[in, string["pipefs"]], flags flags[mount_flags], data const[0]) + # esdfs is ChromeOS-specific: # https://chromium.googlesource.com/chromiumos/third_party/kernel/+/d2c1fb9fcdb53%5E%21/ mount$esdfs(src ptr[in, filename], dst ptr[in, filename], type ptr[in, string["esdfs"]], flags flags[mount_flags], opts ptr[in, fs_options[esdfs_options]]) |