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20 lines
1.1 KiB
20 lines
1.1 KiB
diff --git a/Source/WebCore/page/linux/ResourceUsageThreadLinux.cpp b/Source/WebCore/page/linux/ResourceUsageThreadLinux.cpp |
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index d9e4179072d..b1f51e14f6f 100644 |
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--- a/Source/WebCore/page/linux/ResourceUsageThreadLinux.cpp |
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+++ b/Source/WebCore/page/linux/ResourceUsageThreadLinux.cpp |
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@@ -58,8 +58,14 @@ static float cpuPeriod() |
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unsigned long long userTime, niceTime, systemTime, idleTime; |
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unsigned long long ioWait, irq, softIrq, steal, guest, guestnice; |
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ioWait = irq = softIrq = steal = guest = guestnice = 0; |
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- sscanf(buffer, "cpu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu", |
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+ int retVal = sscanf(buffer, "cpu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu", |
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&userTime, &niceTime, &systemTime, &idleTime, &ioWait, &irq, &softIrq, &steal, &guest, &guestnice); |
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+ // We expect 10 values to be matched by sscanf |
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+ if (retVal < 10 || retVal == EOF) { |
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+ fclose(file); |
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+ return 0; |
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+ } |
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+ |
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// Keep parsing if we still don't know cpuCount. |
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static unsigned cpuCount = 0;
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