SUMMARY --91920-- WARNING: unhandled amd64-linux syscall: 425 --91920-- You may be able to write your own handler. --91920-- Read the file README_MISSING_SYSCALL_OR_IOCTL. --91920-- Nevertheless we consider this a bug. Please report SOFTWARE/OS VERSIONS Ubuntu 20.04.1 LTS ADDITIONAL INFORMATION valgrind 3.16 Kernel: Linux 5.8.9-050809-generic
*** This bug has been marked as a duplicate of bug 408858 ***
Thanks for the quick response! Yes, I recently added io_uring support to my library.