[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-09-05 11:31 EDT---
zlib1g-dev s390x 1:1.2.11.dfsg-2ubuntu9.1 and zlib1g s390x
1:1.2.11.dfsg-2ubuntu9.1 pass all of my tests.
--
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https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
Fix Released
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
Fix Released
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
Fix Committed
Status in zlib source package in Focal:
Fix Committed
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
Fix Committed
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
Fix Committed
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
(While looking into libbio-samtools-perl and other related packages, I
found that there is yet another htslib bundled in tabix - which is not
great. But this at at least already the needed patch.)
--
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https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
Fix Released
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
Fix Committed
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
New
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From boris.m...@de.ibm.com 2022-07-21 05:51 EDT---
Comment on attachment 153124
zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8 (jammy)
this is obsolete - has been replaced by newer version
--- Comment From boris.m...@de.ibm.com 2022-07-21 05:52 EDT---
Comment on attachment 154585
reverse dependencies, gathered on focal.txt
obsolete - has been removed
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
New
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
In Progress
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
New
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
Since the zlib package progressed meanwhile due to a security update, I
created new debdiffs for jammy and kinetic - see debdiffs_J_K.tar.gz.
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
New
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
In Progress
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
New
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commi
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
Due to the fact that now in total 3 packages are involved and two libraries
(zlib and htslib, well and the libraries included in bedtools), this will cause
a bigger transition (especially for htslib in focal, and zlib itself on all
affected Ubuntu releases).
(The transition(s) need to be planned here:
https://people.canonical.com/~ubuntu-archive/transitions/index.html)
--
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https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
New
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
In Progress
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
New
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From mario.h...@de.ibm.com 2022-07-07 07:55 EDT---
(In reply to comment #13)
> We just realized that we had DFLTCC support in 20.04, so we need to put this
> fix there as well.
So this still gets fixed in Focal (20.04).
--
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
In Progress
Status in bedtools package in Ubuntu:
New
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
In Progress
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
Won't Fix
Status in htslib source package in Impish:
Won't Fix
Status in zlib source package in Impish:
Won't Fix
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
New
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTC
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-06-15 14:00 EDT---
I don't really remember, so I retested.
20.04: 1.2.11.dfsg-2ubuntu1.3 fixes the problem (I had to install the .deb file
manually with dpkg).
22.04: 1.2.11.dfsg-2ubuntu9.1 fixes the problem.
--
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in bedtools package in Ubuntu:
New
Status in htslib package in Ubuntu:
Invalid
Status in zlib package in Ubuntu:
Incomplete
Status in bedtools source package in Focal:
Invalid
Status in htslib source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
New
Status in htslib source package in Impish:
Invalid
Status in zlib source package in Impish:
New
Status in bedtools source package in Jammy:
New
Status in htslib source package in Jammy:
Invalid
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
* On top of this actual zlib fix, there is another patch needed:
'Remove compressBound assertions. (PR #1258)' for htslib.
* But there is a standalone 'htslib' package version, as well as a
htslib version included in (some) 'bedtools' packages.
Both need to be patched (see '[Other]' for more details).
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected by the zlib issue.
* The 'htslib' version '1.13+ds' (as it is part of I, J and K),
already includes the patch,
hence only htslib '1.10.2' in focal needs to be patched.
* The bedtools version '2.30.0+dfsg' (as it is part of I, J and K),
requires the patch,
but version '2.27.1+dfsg' bedtools in focal does not incl. an
embedded htslib, hence does not need to be (actually can't be)
patched.
* Patched version of the affected htslib and bedtools packages
are build and also available at this PPA:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
th
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-05-16 06:17 EDT---
With the new combination, bedtools testsuite is green and zlib passes all of my
tests too. So it looks good, thanks!
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in bedtools package in Ubuntu:
New
Status in zlib package in Ubuntu:
Incomplete
Status in bedtools source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
New
Status in zlib source package in Impish:
New
Status in bedtools source package in Jammy:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1961427/+subscriptions
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[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-05-10 07:14 EDT---
Hi, thanks for looking into this. I'll wait until
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427 finishes the build and
try it.
In the meantime I've asked the bedtools upstream to cherry-pick the
htslib commit: https://github.com/arq5x/bedtools2/pull/993.
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in bedtools package in Ubuntu:
New
Status in zlib package in Ubuntu:
Incomplete
Status in bedtools source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
New
Status in zlib source package in Impish:
New
Status in bedtools source package in Jammy:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1961427/+subscriptions
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[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
Well, that bundled htslib seems to make the situation a bit messy,
So my guess is that this should be fixed in bedtools upstream first...
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in bedtools package in Ubuntu:
New
Status in zlib package in Ubuntu:
Incomplete
Status in bedtools source package in Focal:
New
Status in zlib source package in Focal:
New
Status in bedtools source package in Impish:
New
Status in zlib source package in Impish:
New
Status in bedtools source package in Jammy:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
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[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-05-06 06:22 EDT---
Here are the originally reported failures:
> But I found in "bedtools":
> bedtools: bgzf.c:351: bgzf_hopen: Assertion
> `compressBound(BGZF_BLOCK_SIZE) < BGZF_MAX_BLOCK_SIZE' failed. test-
> intersect.sh: line 201: 1981 Aborted (core dumped)
> $htsutil samtobam one_block.sam one_block.bam
>
> or in libbio:
> perl: bgzf.c:142: bgzf_open: Assertion
> `compressBound(BGZF_BLOCK_SIZE) < BGZF_MAX_BLOCK_SIZE' failed.Failed
> 268/268 subtests
I just double-checked, and apparently bedtools bundles htslib (under
src/utils/htslib). I didn't check libbio, but most likely it does this
as well. So the patch must be cherry-picked into all of the bundled
copies.
--
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Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in zlib package in Ubuntu:
Incomplete
Status in zlib source package in Focal:
New
Status in zlib source package in Impish:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bug
[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-05-04 08:51 EDT---
Good that this was pinged - it seems that we hit a deadlock here :-)
I was waiting on Ubuntu to bump the HTSlib version (or cherry-pick
https://github.com/samtools/htslib/pull/1258), where the incompatibility
issue is resolved. The original zlib patch should then just work.
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in zlib package in Ubuntu:
Incomplete
Status in zlib source package in Focal:
New
Status in zlib source package in Impish:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1961427/+subscriptions
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[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From mario.h...@de.ibm.com 2022-05-04 05:20 EDT---
It seems there is no progress with this issue for a while. What is next? Is the
reason for the incompatibility found meanwhile?
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
Incomplete
Status in zlib package in Ubuntu:
Incomplete
Status in zlib source package in Focal:
New
Status in zlib source package in Impish:
New
Status in zlib source package in Jammy:
Incomplete
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1961427/+subscriptions
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[Touch-packages] [Bug 1961427] Comment bridged from LTC Bugzilla
--- Comment From i...@de.ibm.com 2022-03-15 18:41 EDT---
zlib1g s390x 1:1.2.11.dfsg-2ubuntu1.3 passes all of my tests on focal, thanks!
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to zlib in Ubuntu.
https://bugs.launchpad.net/bugs/1961427
Title:
zlib: compressBound() returns an incorrect result on z15
Status in Ubuntu on IBM z Systems:
New
Status in zlib package in Ubuntu:
In Progress
Status in zlib source package in Focal:
New
Status in zlib source package in Impish:
New
Status in zlib source package in Jammy:
In Progress
Bug description:
SRU Justification:
==
[Impact]
* zlib: compressBound() returns an incorrect result on IBM z15
hardware.
* Passing the result of compressBound() to compress() results
in an error code.
* This is because compressBound() is not adjusted for DFLTCC.
[Fix]
* Adjust compressBound() for DFLTCC like it's already done
for deflateBound().
* Since zlib project does not accept patches at the moment,
the fix has been integrated into the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
* The fix extracted out of the above is:
https://launchpadlibrarian.net/589857296/debdiff_zlib_1.2.11.dfsg-2ubuntu7_to_zlib_1.2.11.dfsg-2ubuntu8_jammy.diff
[Test Plan]
* An IBM z15 system (LPAR, z/VM guest or KVM virtual machine)
with Ubuntu Server 21.10 (or 22.04).
* A test can be done based on the following C test program:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
* The test needs to be done by IBM, due to the requirements
for the special z15 hardware.
* A successful test was just completed, based on the version in jammy-
proposed, which is at the same code level that the impish version this
SRU is targeted for.
[Where problems could occur]
* If the adjustment of compressBound() for DFLTCC is done
erroneously the issue can still be present or in worst case
even affect Z systems other than z15 only.
* The compression can become errorneous with the new changes,
e.g. in compressBound.
* Mistakes in dfltcc_free_window OF and especially DEFLATE_BOUND_COMPLEN,
(incl. the bit definitions), may cause various and unforseen defects.
* Any build time issues that might have been introduced by this patch
can be identified by a test build; this was done and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1961427
[Other Info]
* Ubuntu jammy, impish and focal are affected.
__
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound() for DFLTCC like it's already done
for deflateBound(). Since zlib project does not accept
patches at the moment, the fix has been integrated into
the DFLTCC pull request:
https://github.com/madler/zlib/pull/410
The commitid is b25781e735363e04f6c56e21431c47e4afc50b17.
Reproduction: z15 only:
#include
#include
#include
int main() {
Bytef in_buf[128], out_buf[1024];
for (size_t i = 0; i < sizeof(in_buf); i++)
in_buf[i] = rand();
uLongf dest_len = compressBound(sizeof(in_buf));
assert(dest_len <= sizeof(out_buf));
int ret = compress(out_buf, &dest_len,
in_buf, sizeof(in_buf));
assert(ret == Z_OK);
}
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1961427/+subscriptions
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