Kamil Rytarowski <n...@gmx.com> writes:
> On 01.02.2020 17:01, Ryo ONODERA wrote:
>> Hi,
>>
>> pthread__error()s in pthread_equal() cause segfault
>> during start of pkgsrc/www/firefox-72.0.2.
>>
>> Without pthread__error()s, www/firefox works fine
>> like as follows.
>> However I have no idea why I get segfaults.
>>
>> Could you take a look at this problem?
>>
>> Index: lib/libpthread/pthread.c
>> ===================================================================
>> RCS file: /cvsroot/src/lib/libpthread/pthread.c,v
>> retrieving revision 1.162
>> diff -u -r1.162 pthread.c
>> --- lib/libpthread/pthread.c 29 Jan 2020 17:11:57 -0000 1.162
>> +++ lib/libpthread/pthread.c 1 Feb 2020 15:58:03 -0000
>> @@ -770,11 +770,13 @@
>> if (__predict_false(__uselibcstub))
>> return __libc_thr_equal_stub(t1, t2);
>>
>> +#if 0
>> pthread__error(EINVAL, "Invalid thread",
>> t1->pt_magic == PT_MAGIC);
>>
>> pthread__error(EINVAL, "Invalid thread",
>> t2->pt_magic == PT_MAGIC);
>> +#endif
>>
>> /* Nothing special here. */
>> return (t1 == t2);
>> @@ -1108,7 +1110,7 @@
>> {
>> char buf[1024];
>> size_t len;
>> -
>> +
>> if (pthread__diagassert == 0)
>> return;
>>
>>
>>
>> "Kamil Rytarowski" <ka...@netbsd.org> writes:
>>
>>> Module Name: src
>>> Committed By: kamil
>>> Date: Wed Jan 29 16:03:44 UTC 2020
>>>
>>> Modified Files:
>>> src/lib/libpthread: pthread.c pthread_getcpuclockid.c
>>>
>>> Log Message:
>>> Chack thread->pt_magic with PT_MAGIC promptly
>>>
>>> Rearrange some checks to avoid verifying pthread_t after using it.
>>>
>>>
>>> To generate a diff of this commit:
>>> cvs rdiff -u -r1.160 -r1.161 src/lib/libpthread/pthread.c
>>> cvs rdiff -u -r1.2 -r1.3 src/lib/libpthread/pthread_getcpuclockid.c
>>>
>>> Please note that diffs are not public domain; they are subject to the
>>> copyright notices on the relevant files.
>>>
>>
>
> I will have a look, but it will take a while to build firefox for me.
Thank you.
Of course I can wait.
--
Ryo ONODERA // r...@tetera.org
PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB FD1B F404 27FA C7D1 15F3
