CVE-2025-21679
btrfs: add the missing error handling inside get_canonical_dev_path
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btrfs: add the missing error handling inside get_canonical_dev_path
In the Linux kernel, the following vulnerability has been resolved: btrfs: add the missing error handling inside get_canonical_dev_path Inside function get_canonical_dev_path(), we call d_path() to get the final device path. But d_path() can return error, and in that case the next strscpy() call will trigger an invalid memory access. Add back the missing error handling for d_path().
Reserved 2024-12-29 | Published 2025-01-31 | Updated 2025-01-31 | Assigner Linuxgit.kernel.org/...c/d0fb5741932b831eded49bfaaf33353e96200d6d
git.kernel.org/...c/fe4de594f7a2e9bc49407de60fbd20809fad4192
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