jfs: add sanity check for agwidth in dbMount
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In the Linux kernel, the following vulnerability has been resolved:
jfs: add sanity check for agwidth in dbMount
The width in dmapctl of the AG is zero, it trigger a divide error when
calculating the control page level in dbAllocAG.
To avoid this issue, add a check for agwidth in dbAllocAG.
Produtos afetados
Linux · LinuxReferências
https://git.kernel.org/stable/c/722e72f7f9c69fcb3ab7988c2471feff7a4c8de1https://git.kernel.org/stable/c/a065cec230aa807c18828a3eee82f1c8592c2adfhttps://git.kernel.org/stable/c/a260bf14cd347878f01f70739ba829442a474a16https://git.kernel.org/stable/c/a741f29ac8b6374c9904be8b7ac7cdfcd7e7e4fahttps://git.kernel.org/stable/c/c8c96a9e7660e5e5eea445978fe8f2e432d91c1fhttps://git.kernel.org/stable/c/cc0bc4cb62ce5fa0c383e3bf0765d01f46bd49achttps://git.kernel.org/stable/c/ccd97c8a4f90810f228ee40d1055148fa146dd57https://git.kernel.org/stable/c/ddf2846f22e8575d6b4b6a66f2100f168b8cd73dhttps://git.kernel.org/stable/c/e3f85edb03183fb06539e5b50dd2c4bb42b869f0https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.html