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RDKEMW-10995: Fix to prevent double close issue #409

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Merged
goruklu merged 2 commits into from
Feb 10, 2026
Merged

RDKEMW-10995: Fix to prevent double close issue #409

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e100580
RDKEMW-10995: Proper fd validation
ks734 Feb 3, 2026
6e47b93
RDKEMW-10995: Proper fd validation
ks734 Feb 10, 2026
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19 changes: 11 additions & 8 deletions rdkPlugins/Logging/source/FileSink.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ FileSink::FileSink(const std::string &containerId, std::shared_ptr<rt_dobby_sche
{
// Couldn't open our output file, send to /dev/null to avoid blocking
AI_LOG_SYS_ERROR(errno, "Failed to open container logfile - sending to /dev/null");
if (mDevNullFd > 0)
if (mDevNullFd >= 0)
{
mOutputFileFd = mDevNullFd;
}
Expand All @@ -88,17 +88,20 @@ FileSink::FileSink(const std::string &containerId, std::shared_ptr<rt_dobby_sche

FileSink::~FileSink()
{
// Close everything we opened
if (close(mDevNullFd) < 0)
// Close everything we opened; avoid closing the same fd twice
if (mOutputFileFd >= 0 && mOutputFileFd != mDevNullFd)
{
AI_LOG_SYS_ERROR(errno, "Failed to close /dev/null");
if (close(mOutputFileFd) < 0)
{
AI_LOG_SYS_ERROR(errno, "Failed to close output file");
}
}

if (mOutputFileFd > 0)
if (mDevNullFd >= 0)
{
if (close(mOutputFileFd) < 0)
if (close(mDevNullFd) < 0)
{
AI_LOG_SYS_ERROR(errno, "Failed to close output file");
AI_LOG_SYS_ERROR(errno, "Failed to close /dev/null");
}
}
}
Expand Down Expand Up @@ -264,4 +267,4 @@ int FileSink::openFile(const std::string &pathName)
}

return openedFd;
}
}
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