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| author | Ryan Prichard <rprichard@google.com> | 2018-05-01 18:03:05 -0700 |
|---|---|---|
| committer | Ryan Prichard <rprichard@google.com> | 2018-05-01 18:19:21 -0700 |
| commit | d91285f1666a2bbca9f4d620bbd74ab87632a8c4 (patch) | |
| tree | 8def602a6ddf96c73f971132f87633ff1071bc73 /libc/system_properties/contexts_split.cpp | |
| parent | 5258c2518e582585e1b00097296053b334790d13 (diff) | |
Fix PROP_FILENAME_MAX overflow handling
Bug: b/79117743
Test: /data/nativetest64/bionic-unit-tests/bionic-unit-tests
Change-Id: Idd5aa4d195abc13c06d3e5b57aef69a68c2a9a9d
Diffstat (limited to 'libc/system_properties/contexts_split.cpp')
| -rw-r--r-- | libc/system_properties/contexts_split.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/system_properties/contexts_split.cpp b/libc/system_properties/contexts_split.cpp index 92baedd38..11db7ec68 100644 --- a/libc/system_properties/contexts_split.cpp +++ b/libc/system_properties/contexts_split.cpp @@ -196,7 +196,7 @@ static int read_spec_entries(char* line_buf, int num_args, ...) { bool ContextsSplit::MapSerialPropertyArea(bool access_rw, bool* fsetxattr_failed) { char filename[PROP_FILENAME_MAX]; int len = async_safe_format_buffer(filename, sizeof(filename), "%s/properties_serial", filename_); - if (len < 0 || len > PROP_FILENAME_MAX) { + if (len < 0 || len >= PROP_FILENAME_MAX) { serial_prop_area_ = nullptr; return false; } |