diff options
| author | Andreas Kling <awesomekling@gmail.com> | 2020-01-08 12:45:39 +0100 |
|---|---|---|
| committer | Andreas Kling <awesomekling@gmail.com> | 2020-01-08 12:47:41 +0100 |
| commit | 28ee5b0e98e83ea091ca249e4aed10a69d2fc26c (patch) | |
| tree | 7f64a2c720bb988bda6b89730b9f560877e5e61e /Kernel/FileSystem | |
| parent | 50056d1d84f654043b8f4401135ec3ec08a3478c (diff) | |
| download | serenity-28ee5b0e98e83ea091ca249e4aed10a69d2fc26c.zip | |
TmpFS: Reads past the end of a file should be zero-length
Diffstat (limited to 'Kernel/FileSystem')
| -rw-r--r-- | Kernel/FileSystem/TmpFS.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Kernel/FileSystem/TmpFS.cpp b/Kernel/FileSystem/TmpFS.cpp index 7df0bbb749..e468db749c 100644 --- a/Kernel/FileSystem/TmpFS.cpp +++ b/Kernel/FileSystem/TmpFS.cpp @@ -160,6 +160,9 @@ ssize_t TmpFSInode::read_bytes(off_t offset, ssize_t size, u8* buffer, FileDescr if (!m_content.has_value()) return 0; + if (offset >= m_metadata.size) + return 0; + if (static_cast<off_t>(size) > m_metadata.size - offset) size = m_metadata.size - offset; |