Bug 360429

Summary:	unhandled ioctl 0x530d with no size/direction hints (CDROMREADMODE1)
Product:	[Developer tools] valgrind	Reporter:	Vasantha Ganesh K <vasanthaganesh.k>
Component:	general	Assignee:	Ivo Raisr <ivosh>
Status:	RESOLVED FIXED
Severity:	normal	CC:	cpigat242, ivosh, vasanthaganesh.k
Priority:	NOR
Version First Reported In:	3.11.0
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	its a patch and fixes the error

Description Vasantha Ganesh K 2016-03-12 05:58:16 UTC

ioctl 0x530d is not supported by valgrind

Reproducible: Always

Steps to Reproduce:
1.run this code with valgrind http://pastebin.com/xK2aX0re
2.
3.

Actual Results:  
==6713== Warning: noted but unhandled ioctl 0x530d with no size/direction hints.
==6713==    This could cause spurious value errors to appear.
==6713==    See README_MISSING_SYSCALL_OR_IOCTL for guidance on writing a proper wrapper.


Expected Results:  
it should not have issued the warning

Comment 1 Vasantha Ganesh K 2016-03-12 06:03:14 UTC

Created attachment 97850 [details]
its a patch and fixes the error

I added some switch cases to PRE() and POST()

Comment 2 Ivo Raisr 2017-05-10 23:00:33 UTC

The attached patch is missing definition for VKI_CDROMREADMODE1.
However it's obvious so I've added it at the right place in vki-linux.h.

Comment 3 Ivo Raisr 2017-05-10 23:14:52 UTC

Committed in Valgrind SVN as r16358.