dm thin metadata: fix metadata snapshot consistency on commit failure

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CVE-2026-72108 · Microsoft / collected KEV context

cve-program · CVE-2026-72108

• https://git.kernel.org/stable/c/4af993468193cf4cd32ba5748786e7801945f7d2
• https://git.kernel.org/stable/c/abf2fae92cbe68945028987d498cc72f8f0e23a8
• https://git.kernel.org/stable/c/5efb1a7734ed4035fa4fdc3716bdb84621f27cf6
• https://git.kernel.org/stable/c/3dc9ae1029320d77472c44965e572f176949cd63
• https://git.kernel.org/stable/c/b5f9a31c51cbb374a1713c3494f8660ab070f035
• https://git.kernel.org/stable/c/7f76245960a332f39b08cc556e675d1765dc5bbb
• https://git.kernel.org/stable/c/9f1a0d27586ceab055e6b050e3731ce3c6b2c4f0
• https://git.kernel.org/stable/c/5bcd4d3058ebaf46ad2e163829d87dd4870c7a45

No related operational record is retained in the current change model.