Re: git: 43741377b143 - main - security/openssl: Security update to 1.1.1n

From: Mark Millard <marklmi_at_yahoo.com>
Date: Sat, 19 Mar 2022 21:34:11 UTC

On 2022-Mar-19, at 14:24, Mark Millard <marklmi@yahoo.com> wrote:

> On 2022-Mar-19, at 12:54, Mark Johnston <markj@FreeBSD.org> wrote:
> 
>> On Sat, Mar 19, 2022 at 12:00:20PM -0700, Mark Millard wrote:
>>> On 2022-Mar-19, at 11:07, Thomas Zander <riggs@freebsd.org> wrote:
>>> 
>>>> On Sat, 19 Mar 2022 at 18:32, Mark Millard <marklmi@yahoo.com> wrote:
>>>>> May be report to Mark J. how to run the same test builds
>>>>> that failed for -p8 but worked for -p7?
>>>> 
>>>> Sure, good point.
>>>> A build that reliably causes broken packages on p8 but not on p7 for
>>>> me is running:
>>>> 
>>>> poudriere testport -o multimedia/mplayer -j <13.0-amd64-jail here>
>>>> 
>>>> This caused the broken png and python packages when they were built as
>>>> dependencies.
>>>> In poudriere.conf I set this:
>>>> DISTFILES_CACHE=/vcache/distfiles
>>>> CCACHE_DIR=/vcache/ccache
>>>> ALLOW_MAKE_JOBS=yes
>>>> 
>>>> The ALLOW_MAKE_JOBS should increase the number of parallel IO
>>>> operations in-flight on the pool, maybe this increases the likelihood
>>>> of triggering the issue?
>>>> The DISTFILES_CACHE and CCACHE_DIR are in the same zfs pool as
>>>> /poudriere, not sure if this is relevant.
>>>> The zfs pool is a single disk, no raid, mirror or anything fancy.
>>> 
>>> On a ThreadRipper 1950X, PCIe Optane storage, 128 GiBytes of
>>> RAM, I've used bectl to boot the 13.0_RELEASE-p8 environment
>>> and have started:
>>> 
>>> poudriere testport -o multimedia/mplayer -j13_0R-amd64-bulk_a
>>> 
>>> where the jail had nothing built in it at the start. So:
>>> 
>>> [00:00:08] Building 271 packages using up to 32 builders
>>> 
>>> The primary difference is that I've never used ccache and
>>> did not try to do so here. The "zfs pool is a single disk,
>>> no raid, mirror or anything fancy" is accurate, as is the
>>> use of ALLOW_MAKE_JOBS= .
>>> 
>>> That did not take long . . .
>>> 
>>> It proves that ccache is not required. Also some files
>>> seem to get only small blocks of zero-bytes, others
>>> large ones. But I've not checked for the null characters
>>> being at the end instead of earlier in the file.
>> 
>> I still am not able to reproduce it.  I think it's indeed a concurrency
>> problem, and I found a possible culprit.  Mark or Thomas, if you're able
>> to build a new kernel from the releng/13.0 branch and test it, could you
>> please try this patch?
>> 
> 
> Sure. (I build ports in a way that allows large load
> averages relative to the hardware-thread count. I also
> have a lot of swap configured. I avoid significant use
> of tmpfs.)
> 
>> diff --git a/sys/contrib/openzfs/module/zfs/dnode.c b/sys/contrib/openzfs/module/zfs/dnode.c
>> index 8592c5f8c3a9..b69ba68ec780 100644
>> --- a/sys/contrib/openzfs/module/zfs/dnode.c
>> +++ b/sys/contrib/openzfs/module/zfs/dnode.c
>> @@ -1661,7 +1661,7 @@ dnode_is_dirty(dnode_t *dn)
>> 	mutex_enter(&dn->dn_mtx);
>> 
>> 	for (int i = 0; i < TXG_SIZE; i++) {
>> -		if (list_head(&dn->dn_dirty_records[i]) != NULL) {
>> +		if (multilist_link_active(&dn->dn_dirty_link[i])) {
>> 			mutex_exit(&dn->dn_mtx);
>> 			return (B_TRUE);
>> 		}
>> 
> 
> Change made.
> Rebuilt.
> Reinstalled.
> Rebooted into the 13_0R-amd64 be area.
> Bulk build started.
> Bulk build completed.
> (Took longer because I let it run to completion.)
> 
> No explicit reports of null characters. The same 2 ports that
> failed before, not reporting zero-byte issues, failed again.
> Likely independent issues:
> 
> [00:28:28] Failed ports: security/libgcrypt:build print/freetype2:package

These are what happens for WITH_DEBUG= style builds. Turns
out that the *make.conf files from my last bulk -a experiment
were still in place and were causing WITH_DEBUG= builds. (Not
my normal context.)

I'll disable that and rerun the bulk from scratch.

> Overall it skipped something like 54 ports.
> 
> libgcrypt-1.9.4.log . . .
> 
> --- basic.o ---
> basic.c:315:16: error: inline assembly requires more registers than available
>  asm volatile("movdqu %[data0], %%xmm0\n"
>               ^
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> --- mpitests ---
> . . .
> --- basic.o ---
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> basic.c:315:16: error: inline assembly requires more registers than available
> fatal error: too many errors emitted, stopping now [-ferror-limit=]
> 
> 
> freetype2-2.11.1.log . . .
> 
> ===>  Building package for freetype2-2.11.1
> pkg-static: Unable to access file /wrkdirs/usr/ports/print/freetype2/work/stage/usr/local/lib/libfreetype.so:No such file or directory
> pkg-static: Unable to access file /wrkdirs/usr/ports/print/freetype2/work/stage/usr/local/lib/libfreetype.so.6:No such file or directory
> pkg-static: Unable to access file /wrkdirs/usr/ports/print/freetype2/work/stage/usr/local/lib/libfreetype.so.6.18.1:No such file or directory
> *** Error code 1
> 
> 
> I think this indicates that your fix works.
> 
> 
> 
> For reference:
> 
> # ~/fbsd-based-on-what-commit.sh -C /usr/ports/
> branch: main
> merge-base: 0c4fe38bd1b9e3ede128751db17a8a2d1bdffe6f
> merge-base: CommitDate: 2022-03-15 16:15:33 +0000
> 0c4fe38bd1b9 (HEAD -> main, freebsd/main, freebsd/HEAD) misc/urh: Update 2.9.2 -> 2.9.3
> n577366 (--first-parent --count for merge-base)
> 
> 


===
Mark Millard
marklmi at yahoo.com