On Sat, 28 Jul 2018 10:20:40 +0200, Stefan Fritsch wrote: > retitle 902657 graceful/restart results in segfault if libcap-ng0 is loaded > severity 902657 important > block 902657 by 904808 > thanks > > The problem is caused by libcap-ng0 0.7.9 . This is usually pulled in by php > extensions. There is nothing apache can do.
I hit this again today (due to changes in certbot, I believe, which circumvented my workaround), and syslog tells me: Oct 5 14:53:30 colleen kernel: [7424454.447477] apache2[5130]: segfault at 7f6436afb660 ip 00007f6436afb660 sp 00007ffea9e783d8 error 14 in libicudata.so.60.2[7f6439fe1000+19a8000] Oct 5 14:53:30 colleen kernel: [7424454.450391] apache2[5131]: segfault at 7f6436afb660 ip 00007f6436afb660 sp 00007ffea9e78298 error 14 in libicudata.so.60.2[7f6439fe1000+19a8000] This looks different than the libcap-ng0 failures we've seen in this bug before. (I also notice that https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902658#52 mentions libglib-2.0.so.0) # pid=7034; for i in $(awk '{ print $6 }' < /proc/$pid/maps|sort -u|grep /) ; do ldd -d $i|grep libicudata && echo $i ; done ldd: /dev/zero: not regular file ldd: /SYSV64000047: No such file or directory libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007fad78485000) /usr/lib/apache2/modules/libphp7.2.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f8be050e000) /usr/lib/php/20170718/dom.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f53820a1000) /usr/lib/php/20170718/intl.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f0a0e1e7000) /usr/lib/php/20170718/simplexml.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007fa681648000) /usr/lib/php/20170718/xmlreader.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f89fb2ef000) /usr/lib/php/20170718/xml.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007fdd517b7000) /usr/lib/php/20170718/xmlwriter.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f913e616000) /usr/lib/php/20170718/xsl.so libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f3c25907000) /usr/lib/x86_64-linux-gnu/libexslt.so.0.8.20 libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f53238e9000) /usr/lib/x86_64-linux-gnu/libicui18n.so.60.2 libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f801c3fa000) /usr/lib/x86_64-linux-gnu/libicuio.so.60.2 libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007fda8fc92000) /usr/lib/x86_64-linux-gnu/libicuuc.so.60.2 libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f7f5c3c7000) /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4 libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007ff45599a000) /usr/lib/x86_64-linux-gnu/libxslt.so.1.1.32 Cheers, gregor, who considers hacking /usr/sbin/apache2ctl locally instead of working around in several places -- .''`. https://info.comodo.priv.at -- Debian Developer https://www.debian.org : :' : OpenPGP fingerprint D1E1 316E 93A7 60A8 104D 85FA BB3A 6801 8649 AA06 `. `' Member VIBE!AT & SPI Inc. -- Supporter Free Software Foundation Europe `- NP: Dire Straits: Wild West End
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