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Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to shrink read extent node in batches We use rwlock to protect core structure data of extent tree during its shrink, however, if there is a huge number of extent nodes in extent tree, during shrink of extent tree, it may hold rwlock for a very long time, which may trigger kernel hang issue. This patch fixes to shrink read extent node in batches, so that, critical region of the rwlock can be shrunk to avoid its extreme long time hold.

PUBLISHED Reserved 2025-01-09 | Published 2025-01-11 | Updated 2025-07-11 | Assigner Linux

Product status

Default status
unaffected

98e4da8ca301e062d79ae168c67e56f3c3de3ce4 (git) before 295b50e95e900da31ff237e46e04525fa799b2cf
affected

98e4da8ca301e062d79ae168c67e56f3c3de3ce4 (git) before 924f7dd1e832e4e4530d14711db223d2803f7b61
affected

98e4da8ca301e062d79ae168c67e56f3c3de3ce4 (git) before 3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343
affected

Default status
affected

3.8
affected

Any version before 3.8
unaffected

6.6.66 (semver)
unaffected

6.12.5 (semver)
unaffected

6.13 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/295b50e95e900da31ff237e46e04525fa799b2cf

git.kernel.org/...c/924f7dd1e832e4e4530d14711db223d2803f7b61

git.kernel.org/...c/3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343

cve.org (CVE-2024-41935)

nvd.nist.gov (CVE-2024-41935)

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