CVE: CVE-2024-41004

Descrizione: This log snippet provides a detailed trace of a kernel crash, likely related to a failed `ftracetest` test. Let’s break down what it means and what it suggests: **1. The Core Problem: `ftracetest` Failure** * **`ftracetest`** is a kernel test that verifies the integrity of the kernel’s core. It’s a critical part of the kernel’s stability and security. * **The Crash:** The log indicates that the `ftracetest` test failed. This is the primary issue. **2. Detailed Trace – What’s Happening** * **`Call Trace`:** This is the most important part. It shows the sequence of events leading up to the crash. It’s a detailed record of the kernel’s execution. * **`irq event stamp: 13437323`:** This is a critical timestamp. It indicates the *moment* the crash occurred. The value 13437323 is a very specific timestamp, suggesting a timing issue. * **`hardirqs last enabled at (13437337): []`:** This is a key clue. The `hardirqs` are the hardware resources (like the CPU, memory, etc.) that the kernel is using. The `13437337` value is a specific hardware ID. This strongly suggests the crash happened *during a specific hardware operation*. * **`rest_init`:** This indicates a potential issue with the kernel’s initialization process. It’s a step in the kernel’s startup sequence. * **`ret_from_fork`:** This is a critical step in the kernel’s execution. It’s a return from a function that’s being called. The log shows the kernel is attempting to execute a function, but it fails. **3. The Root Cause (Likely)** The combination of the `ftracetest` failure and the `irq event stamp` points to a problem with the hardware. The kernel is likely trying to perform a hardware-related operation (possibly a critical one) and something went wrong. The `ftracetest` test is failing because the hardware is not behaving as expected. **4. The Suggestion – A Potential Issue** The log strongly suggests a hardware-related issue. The `ftracetest` test is failing because the hardware is experiencing a problem. This could be: * **A specific device:** The test might be failing because a particular hardware device is malfunctioning. * **A driver issue:** The test might be failing because a driver is causing a hardware problem. * **Hardware configuration:** The hardware configuration might be causing a conflict. **5. The Mitigation – Module-Level Testing** The log also mentions that the tests are being built as modules. This is a crucial point. Building tests as modules means they’re not fully integrated into the kernel. This is a *very* important safety measure. It means that if a test fails, it won’t immediately crash the entire kernel. It allows for more thorough testing and debugging. **In summary, this log indicates a critical hardware-related issue that’s causing the kernel to crash. The log’s details are valuable for investigating the root cause and potentially mitigating the issue.** **What to Do Next (Based on this Information)** 1. **Investigate the Hardware:** The most important step is to determine *what* hardware device is involved. This might involve looking at device logs, hardware diagnostics, or contacting the hardware vendor. 2. **Check Driver Issues:** Review the kernel’s driver stack for any recent changes or updates. 3. **Examine the Test Configuration:** Verify that the `ftracetest` test is configured correctly and that the hardware is properly supported. 4. **Review Recent Changes:** Look for any recent changes to the kernel, drivers, or hardware that might be related to the issue. 5. **Consider Module-Level Testing:** Continue to use the module-level testing approach. Let me know if you’d like me to elaborate on any of these points or provide more specific troubleshooting steps.

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Riferimenti esterni

• https://git.kernel.org/stable/c/a85bae262ccecc52a40c466ec067f6c915e0839d
• https://git.kernel.org/stable/c/98a7bfc48fffe170a60d87a5cbb7cdddf08184c3
• https://git.kernel.org/stable/c/32ef4dc2b1caf5825c0cf50646479608311cafc3
• https://git.kernel.org/stable/c/55d5d08174366efe57ca9e79964828b20c626c45
• https://git.kernel.org/stable/c/72a0199b361df2387018697b023fdcdd357449a9
• https://git.kernel.org/stable/c/3572bd5689b0812b161b40279e39ca5b66d73e88

Prodotti interessati

• Linux – Linux
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Produttore:Linux
Prodotto: Linux
Anno: 2024
CWE:
CVSS: 0.0