A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.
https://www.debian.org/security/2021/dsa-4978
https://security.netapp.com/advisory/ntap-20211004-0001/
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html