Bug 597794

Summary:	fileno (NULL) segfaults instead of return -1 and set errno to EBADF
Product:	Red Hat Enterprise Linux 6	Reporter:	Jan F. Chadima <jchadima>
Component:	glibc	Assignee:	Andreas Schwab <schwab>
Status:	CLOSED NOTABUG	QA Contact:	qe-baseos-tools-bugs
Severity:	high	Docs Contact:
Priority:	low
Version:	6.0	CC:	fweimer, jakub, schwab
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	597793	Environment:
Last Closed:	2010-05-31 08:32:38 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	597793
Bug Blocks:

Description Jan F. Chadima 2010-05-30 14:36:27 UTC

+++ This bug was initially created as a clone of Bug #597793 +++

Description of problem:
the function fileno crash the program, if called with NULL parameter
according to the documentation it should return -1 and set errno

Version-Release number of selected component (if applicable):
glibc-2.12.90-1.i686

How reproducible:
alvays

Steps to Reproduce:
compille and run:
#include <stdio.h>

int
main()
{
printf ("%d\n", fileno (NULL));
}
  
Actual results:
SIGSEGV

Expected results:
-1

Comment 2 Andreas Schwab 2010-05-31 08:32:38 UTC

NULL is not a pointer to a stream.