[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
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On 2012-06-21T21:54:09+00:00 Alex wrote:
glibc fixed a bug in 2010 in which htons() would give a conversion
warning when compiled with -Wconversion due to the implementation of the
byte-swapping functions. Unfortunately, this fix was only for x86/x86_64
platforms. The fix has now been updated to include the generic byteswap
functions.
Please apply this patch to the glibc in Fedora.
For reference, please see
http://sourceware.org/bugzilla/show_bug.cgi?id=12194
Reply at:
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1016349/comments/5
On 2012-06-21T22:02:51+00:00 Alex wrote:
*** Bug 834449 has been marked as a duplicate of this bug. ***
Reply at:
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1016349/comments/6
On 2012-06-21T22:09:52+00:00 Alex wrote:
*** Bug 834450 has been marked as a duplicate of this bug. ***
Reply at:
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1016349/comments/7
On 2012-06-21T23:29:54+00:00 Jeff wrote:
I just resynced with the upstream sources which include a fix for this
problem.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1016349/comments/8
** Changed in: glibc (Fedora)
Status: Unknown => Fix Released
** Changed in: glibc (Fedora)
Importance: Unknown => Medium
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
** Branch linked: lp:~ubuntu-branches/ubuntu/precise/eglibc/precise-
proposed
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
** Branch linked: lp:ubuntu/eglibc
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
This bug was fixed in the package eglibc - 2.15-0ubuntu10.3
---
eglibc (2.15-0ubuntu10.3) precise; urgency=low
* Backport fixes for dbl-64 and ldbl-128 issues (LP: #1000498)
* Backport another FMA support patch from glibc master branch.
eglibc (2.15-0ubuntu10.2) precise-security; urgency=low
* SECURITY UPDATE: stack buffer overflow in vfprintf handling
(LP: #1031301)
- debian/patches/any/CVE-2012-3406.patch: switch to malloc when
array grows too large to handle via alloca extension
- CVE-2012-3406
* SECURITY UPDATE: stdlib strtod integer/buffer overflows
- debian/patches/any/CVE-2012-3480.patch: rearrange calculations
and modify types to void integer overflows
- CVE-2012-3480
eglibc (2.15-0ubuntu10.1) precise; urgency=low
* Backport fix from 2.16 to fix htons() conversion errors on non-x86
architectures, by correctly casting to uint16_t (LP: #1016349)
* Restore missing AT_EMPTY_PATH definition in fnctl.h (LP: #1010069)
* Backport FMA4/AVX detection from glibc 2.16 (LP: #956051, #979003)
* Backport fixups to AVX-using code to match the detection backport.
* Backport fix from 2.16 for sscanf/realloc deadlock (LP: #1028038)
* Backport for bogus FPE on underflow for exp(double) (LP: #1007457)
-- Adam Conrad adcon...@ubuntu.com Wed, 03 Oct 2012 15:58:02 -0600
** Changed in: eglibc (Ubuntu Precise)
Status: Fix Committed = Fix Released
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2012-3406
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2012-3480
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
Verified that this is fixed in precise-proposed.
** Tags removed: verification-needed
** Tags added: verification-done
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
** Description changed:
+ [Impact]
+ htons() on non x86 platforms is missing a cast to uint16_t which causes FTBFS
of mosh on armel and armhf.
+
+ [Development Fix]
+ This has been fixed in eglibc in Quantal.
+
+ [Stable Fix]
+ A fix can be backported from the Quantal development version into Precise.
+
+ [Test Case]
+ See https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1016349/comments/2
+ On how to reproduce with a C program.
+
+ [Regression Potential]
+ This patch affects some of the generic byteswaping code in eglibc. The fix
for x86 arches was already completed years ago, and this patch fixes is for
other arches.
+
+ --
+
The definition of htons() on platforms other than i386 and amd64 is
missing a cast to uint16_t, which caused this FTBFS of mosh on armel and
armhf:
https://launchpad.net/ubuntu/+source/mosh/1.2.1-1ubuntu1/+build/3582950
network.cc:76:28: error: narrowing conversion of '({...})' from 'unsigned
int' to 'uint16_t {aka short unsigned int}' inside { } is ill-formed in C++11
[-Werror=narrowing]
network.cc:76:50: error: narrowing conversion of '({...})' from 'unsigned
int' to 'uint16_t {aka short unsigned int}' inside { } is ill-formed in C++11
[-Werror=narrowing]
(We didn’t see this before because this warning is new in GCC 4.7.)
This was fixed for glibc 2.16 in
http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=2174c6dd8555f654c30df2f8f3321b69e0f736f8
** Changed in: eglibc (Ubuntu Precise)
Assignee: (unassigned) = Adam Conrad (adconrad)
** Changed in: eglibc (Ubuntu Precise)
Importance: Undecided = Medium
** Changed in: eglibc (Ubuntu Precise)
Status: New = In Progress
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htons() returns wrong type on non-{i386,amd64} platforms
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
Hello Anders, or anyone else affected,
Accepted eglibc into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu10.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Your feedback will aid us getting this update
out to other Ubuntu users.
If this package fixes the bug for you, please change the bug tag from
verification-needed to verification-done. If it does not, change the
tag to verification-failed. In either case, details of your testing
will help us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: eglibc (Ubuntu Precise)
Status: In Progress = Fix Committed
** Tags added: verification-needed
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
** Branch linked: lp:ubuntu/eglibc
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
This bug was fixed in the package eglibc - 2.15-0ubuntu16
---
eglibc (2.15-0ubuntu16) quantal; urgency=low
* Backport fix from 2.16 to fix htons() conversion errors on non-x86
architectures, by correctly casting to uint16_t (LP: #1016349)
* Restore missing AT_EMPTY_PATH definition in fnctl.h (LP: #1010069)
* Backport FMA4/AVX detection from glibc 2.16 (LP: #956051, #979003)
* Backport fixups to AVX-using code to match the detection backport.
-- Adam Conrad adcon...@ubuntu.com Thu, 09 Aug 2012 15:15:53 -0600
** Changed in: eglibc (Ubuntu)
Status: Confirmed = Fix Released
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
** Also affects: eglibc (Ubuntu Precise)
Importance: Undecided
Status: New
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: eglibc (Ubuntu)
Status: New = Confirmed
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[Bug 1016349] Re: htons() returns wrong type on non-{i386, amd64} platforms
Launchpad has imported 5 comments from the remote bug at
http://sourceware.org/bugzilla/show_bug.cgi?id=12194.
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On 2010-11-05T07:03:34+00:00 Johan Persson wrote:
The following (legitimate) code will generate a warning when both -O2 and
-Wconversion is enabled but not when only -Wconversion is enabled.
Code:
#include arpa/inet.h
// Nonsense code to illustrate problem
int main(void) {
uint16_t portnbr=0;
uint16_t n_portnbr = htons(portnbr);
exit(0);
}
With optimization
$ gcc -std=gnu99 -Wconversion -Werror -O2 -c tsthtons.c
cc1: warnings being treated as errors
tsthtons.c: In function ‘main’:
tsthtons.c:6: error: conversion to ‘short unsigned int’ from ‘int’ may alter
its value
and without
$gcc -std=gnu99 -Wconversion -Werror -c tsthtons.c
$
in both cases
gcc --version
gcc (SUSE Linux) 4.4.1 [gcc-4_4-branch revision 150839]
Copyright (C) 2009 Free Software Foundation, Inc.
and gnu clib v2.10.1
Reply at: https://bugs.launchpad.net/eglibc/+bug/1016349/comments/0
On 2010-11-10T07:54:40+00:00 Drepper-fsp wrote:
Changed in git.
Reply at: https://bugs.launchpad.net/eglibc/+bug/1016349/comments/1
On 2012-06-20T05:56:27+00:00 Anders Kaseorg wrote:
Shouldn’t the same change
(http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=69da074d7adfab7b57004a0dea9403a928e310a5)
be applied to sysdeps/s390/bits/byteswap.h and the generic
bits/byteswap.h?
Reply at: https://bugs.launchpad.net/eglibc/+bug/1016349/comments/2
On 2012-06-20T07:19:45+00:00 Aj-suse wrote:
thanks, patch send: http://sourceware.org/ml/libc-
alpha/2012-06/msg00550.html
Reply at: https://bugs.launchpad.net/eglibc/+bug/1016349/comments/3
On 2012-06-21T13:52:12+00:00 Aj-suse wrote:
Fixed for glibc 2.16 now with:
commit 2174c6dd8555f654c30df2f8f3321b69e0f736f8
Author: Andreas Jaeger a...@suse.de
Date: Thu Jun 21 15:49:33 2012 +0200
Avoid -Wconversion warning for htons
Reply at: https://bugs.launchpad.net/eglibc/+bug/1016349/comments/4
** Changed in: eglibc
Status: Unknown = Fix Released
** Changed in: eglibc
Importance: Unknown = Medium
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