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author | thestig@chromium.org <thestig@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-08-31 03:47:40 +0000 |
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committer | thestig@chromium.org <thestig@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-08-31 03:47:40 +0000 |
commit | 8e5bb9348dd921ccfb432082bdfed142dd27ebd7 (patch) | |
tree | 70f6f6e86931d0687258fd5eb1befda69b0ff082 /base/process_util_linux.cc | |
parent | 9327b63c271a72bdc4ae54b7d69836cb61742d5f (diff) | |
download | chromium_src-8e5bb9348dd921ccfb432082bdfed142dd27ebd7.zip chromium_src-8e5bb9348dd921ccfb432082bdfed142dd27ebd7.tar.gz chromium_src-8e5bb9348dd921ccfb432082bdfed142dd27ebd7.tar.bz2 |
Linux: Better detect a race in /proc/pid/stats reading code.
BUG=145811
Review URL: https://chromiumcodereview.appspot.com/10916031
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@154367 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/process_util_linux.cc')
-rw-r--r-- | base/process_util_linux.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/base/process_util_linux.cc b/base/process_util_linux.cc index 34e7d7c..393295a 100644 --- a/base/process_util_linux.cc +++ b/base/process_util_linux.cc @@ -68,6 +68,11 @@ bool ReadProcStats(pid_t pid, std::string* buffer) { // Returns true if successful. bool ParseProcStats(const std::string& stats_data, std::vector<std::string>* proc_stats) { + // |stats_data| may be empty if the process disappeared somehow. + // e.g. http://crbug.com/145811 + if (stats_data.empty()) + return false; + // The stat file is formatted as: // pid (process name) data1 data2 .... dataN // Look for the closing paren by scanning backwards, to avoid being fooled by |