In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix to avoid potential deadlock

Using f2fs_trylock_op() in f2fs_write_compressed_pages() to avoid potential
deadlock like we did in f2fs_write_single_data_page().

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-36775
• https://git.kernel.org/stable/c/0478ccdc8ea016de1ebaf6fe6da0275c2b258c5b
• https://git.kernel.org/stable/c/8e8542437bb4070423c9754d5ba270ffdbae8c8d
• https://git.kernel.org/stable/c/df77fbd8c5b222c680444801ffd20e8bbc90a56e