Linux nvme-pci race condition fix between reset and disable

From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. Vulnerability Description: - Title: nvme-pci: fix race condition between reset and nvme_dev_disable() - Description: modifies the field, so should avoid racing with it, otherwise it may pass an invalid value to . 2. Warning Information: - CPU: 39 PID: 61303 at drivers/pci/msi/api.c:347 - Workqueue: nvme-reset-wq nvme_reset_work [nvme] - RIP: 0x10:pci_irq_get_affinity+0x187/0x210 3. Fix Measures: - The bug is fixed by acquiring the mutex, ensuring that is locked before use. - If is running or has already been executed, the fix is skipped. 4. Patch Content: - Added checks and mutex locking code in the function. 5. Patch Application: - The patch is applied to the file , adding 16 insertions and 3 deletions. 6. Patch Application Location: - The diff is applied between lines -2506,17 and +2506,29. 7. Patch Application Result: - This patch fixes the issue introduced by commit 949928c1c731 ("NVME: Fix possible queue use after freed"). 8. Testing and Review: - Tested by Yi Zhang, reviewed by Christoph Hellwig and Keith Busch, and signed-off by Maurizio Lombardi, Keith Busch, and Sasha Levin. This information indicates that the patch resolves a race condition vulnerability between and .

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Linux nvme-pci race condition fix between reset and disable