On 28/07/2022 21:39, Mark Roberts wrote:
I recently upgraded from Ubutu 20.04 to 22.04 and am now getting a new
error message from Valgrind:
--915-- WARNING: unhandled amd64-linux syscall: 334
--915-- You may be able to write your own handler.
--915-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--915-- Nevertheless we consider this a bug. Please report
--915-- it at http://valgrind.org/support/bug_reports.html
<http://valgrind.org/support/bug_reports.html>.
Using same version of Valgrind as before (3.17).
Any ideas as to what’s happening?
Yes, your libc has started trying to use rseq.
It's harmless - the next version of valgrind will silently
reject it with ENOSYS which is what is happening now anyway
just with a warning.
Tom
--
Tom Hughes (t...@compton.nu)
http://compton.nu/
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