Bug 464609

Summary:	Valgrind memcheck should support Linux pidfd_open
Product:	[Developer tools] valgrind	Reporter:	earl_chew
Component:	memcheck	Assignee:	Julian Seward <jseward>
Status:	RESOLVED FIXED
Severity:	normal	CC:	marcos.souza.org, mark, rastersoft
Priority:	NOR
Version First Reported In:	3.20 GIT
Target Milestone:	---
Platform:	Compiled Sources
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	Patch to support pidfd_open()

Description earl_chew 2023-01-21 20:04:46 UTC

Created attachment 155482 [details]
Patch to support pidfd_open()

SUMMARY

Linux pidfd_open() has been supported since 5.3 (https://man7.org/linux/man-pages/man2/pidfd_open.2.html) but is not supported on valgrind.

--2029068-- WARNING: unhandled amd64-linux syscall: 434
--2029068-- You may be able to write your own handler.
--2029068-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--2029068-- Nevertheless we consider this a bug.  Please report

Contribution is attached.

Comment 1 Marcos Paulo de Souza 2023-04-08 18:27:05 UTC

Ping? I've seen reports of this missing syscall when trying to debug a problem on Epiphany.

Comment 2 Mark Wielaard 2023-04-14 21:11:11 UTC

Thank you, looks good. Applied as:

commit d387566dd7dbb2ebe6fea5bfb4b2353bd5ab86ba
Author: Earl Chew <earl_chew@yahoo.com>
Date:   Fri Apr 14 22:56:16 2023 +0200

    Support Linux syscall 434 pidfd_open

Comment 3 Mark Wielaard 2023-04-19 23:33:55 UTC

*** Bug 461926 has been marked as a duplicate of this bug. ***