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authorChristian Krinitsin <mail@krinitsin.com>2025-07-07 17:18:14 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-07 17:18:14 +0000
commit61361f925d4914a6608a0076e64cc2399311ed5f (patch)
tree6f717c2ff0b11d7493e60da9757818d119cfb541 /results/classifier/no-thinking-deepseek-r1:32b/reasoning/manual-review/1813398
parent238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (diff)
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+The given bug report describes an issue where `qemu` calls `malloc` after a `fork` in a multi-threaded process on a musl-based system. This results in undefined behavior because calling non-async-safe functions like `malloc` after `fork` can corrupt the memory state in the child process. The problem is particularly challenging to reproduce, as it requires specific concurrency between threads.
+
+The bug involves the use of `malloc` and `free` in a context where the parent process is multi-threaded, leading to potential corruption of the heap in the child after `fork`. This behavior is undefined under POSIX standards, which require that only async-safe functions be called in the child immediately after `fork`.
+
+Given the context provided, this issue pertains to the runtime environment and how memory management interacts with concurrency and system calls. Therefore, it falls under the category of:
+
+**runtime**
+
+The classification is based on the fact that the error occurs during runtime due to improper handling of memory allocation in a multi-threaded process after a `fork` operation. It does not directly involve faulty instructions or specific syscalls beyond the context provided.
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