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Prevent OOM

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Fix #7341
This commit is contained in:
topjohnwu 2023-09-14 13:14:30 -07:00
parent dda8cc85c9
commit 8a88d8465a
1 changed files with 6 additions and 3 deletions
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9
app/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
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@ -181,8 +181,10 @@ abstract class MagiskInstallImpl protected constructor(
return TarEntry(TarHeader.createHeader(name, size, 0, false, 420 /* 0644 */)) return TarEntry(TarHeader.createHeader(name, size, 0, false, 420 /* 0644 */))
} }
private class LZ4InputStream(s: InputStream) : LZ4FrameInputStream(s) { private class NoAvailableStream(s: InputStream) : FilterInputStream(s) {
// Workaround bug in LZ4FrameInputStream // Make sure available is never called on the actual stream and always return 0
// 1. Workaround bug in LZ4FrameInputStream
// 2. Reduce max buffer size to prevent OOM
override fun available() = 0 override fun available() = 0
} }
@ -194,7 +196,8 @@ abstract class MagiskInstallImpl protected constructor(
lateinit var entry: TarEntry lateinit var entry: TarEntry
fun decompressedStream(): InputStream { fun decompressedStream(): InputStream {
return if (entry.name.endsWith(".lz4")) LZ4InputStream(tarIn) else tarIn val stream = if (entry.name.endsWith(".lz4")) LZ4FrameInputStream(tarIn) else tarIn
return NoAvailableStream(stream)
} }
while (tarIn.nextEntry?.let { entry = it } != null) { while (tarIn.nextEntry?.let { entry = it } != null) {