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Skip over malformed data

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This commit is contained in:
Ali 2023-06-21 19:49:48 +03:00
parent f485065435
commit 65fa8eb914
1 changed files with 3 additions and 1 deletions
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4
submodules/Postbox/Sources/Coding.swift
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@ -1495,7 +1495,9 @@ public final class PostboxDecoder {
var objectLength: Int32 = 0
memcpy(&objectLength, self.buffer.memory + self.offset, 4)
if objectLength < 0 || objectLength > 2 * 1024 * 1024 {
preconditionFailure()
assertionFailure()
self.offset = 0
break
}
let innerBuffer = ReadBuffer(memory: self.buffer.memory + (self.offset + 4), length: Int(objectLength), freeWhenDone: false)