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Misc. segfaults #314

Open kibal opened 6 years ago

kibal commented 6 years ago

A local dev machine with a fresh install from the latest ISO is having issues. After running builds for a couple of packages with the subgraph-debian-packages setup this machine is having various segfaults:

cat kern.log|grep -E 'seg|grsec: Seg'
Nov 21 09:40:00 subgraph kernel: [226780.365733] dpkg[20660]: segfault at 33242dcc58 ip 0000004523845880 sp 000003816512bb28 error 6 in dpkg[4523836000+45000]
Nov 21 09:40:00 subgraph kernel: [226780.365759] grsec: Segmentation fault occurred at 00000033242dcc58 in /var/cache/pbuilder/build/cow.18308/usr/bin/dpkg[dpkg:20660] uid/euid:0/0 gid/egid:0/0, parent /var/cache/pbuilder/build/cow.18308/usr/bin/aptitude-curses[aptitude:19364] uid/euid:0/0 gid/egid:0/0
Nov 21 09:47:19 subgraph kernel: [227219.351798] python2.7[3519]: segfault at 3c45a1c5980 ip 000000035371c174 sp 000003cf4865ec30 error 4 in python2.7[3535fc000+323000]
Nov 21 09:47:19 subgraph kernel: [227219.351821] grsec: Segmentation fault occurred at 000003c45a1c5980 in /var/cache/pbuilder/build/cow.30825/usr/bin/python2.7[python2.7:3519] uid/euid:0/0 gid/egid:0/0, parent /var/cache/pbuilder/build/cow.30825/var/lib/dpkg/info/python2.7.postinst[python2.7.posti:3515] uid/euid:0/0 gid/egid:0/0
Nov 21 09:50:07 subgraph kernel: [227388.097984] dpkg[23176]: segfault at ed00000018 ip 0000000ee72d7f87 sp 000003eb8c9b40b8 error 4 in dpkg[ee72b2000+45000]
Nov 21 09:50:07 subgraph kernel: [227388.098000] grsec: Segmentation fault occurred at 000000ed00000018 in /var/cache/pbuilder/build/cow.21990/usr/bin/dpkg[dpkg:23176] uid/euid:0/0 gid/egid:0/0, parent /var/cache/pbuilder/build/cow.21990/usr/bin/aptitude-curses[aptitude:23014] uid/euid:0/0 gid/egid:0/0
Nov 21 09:51:48 subgraph kernel: [227489.210303] python3.5[13025]: segfault at 33fe64f7418 ip 0000007809141d80 sp 000003ebfdfaf440 error 4 in python3.5[7808f2c000+3ef000]
Nov 21 09:51:48 subgraph kernel: [227489.210326] grsec: Segmentation fault occurred at 0000033fe64f7418 in /var/cache/pbuilder/build/cow.31074/usr/bin/python3.5[python3.5:13025] uid/euid:0/0 gid/egid:0/0, parent /var/cache/pbuilder/build/cow.31074/var/lib/dpkg/info/python3.5.postinst[python3.5.posti:13021] uid/euid:0/0 gid/egid:0/0
Nov 21 09:57:23 subgraph kernel: [227823.924302] dictgen[12234]: segfault at 36a3d0b40 ip 0000001163568e64 sp 000003f0e52e9c70 error 4 in dictgen[1163565000+10000]
Nov 21 09:57:23 subgraph kernel: [227823.924326] grsec: Segmentation fault occurred at 000000036a3d0b40 in /var/cache/pbuilder/build/cow.29323/build/monero-gui-0.11.1.0/src/zxcvbn-c/dictgen[dictgen:12234] uid/euid:1234/1234 gid/egid:1234/1234, parent /var/cache/pbuilder/build/cow.29323/usr/bin/make[make:12228] uid/euid:1234/1234 gid/egid:1234/1234
Nov 21 10:19:18 subgraph kernel: [229138.911450] gnome-shell[1260]: segfault at 300000000 ip 0000037cf04d7386 sp 000003ff963a5fe0 error 4 in libgnome-shell.so[37cf046c000+291000]
Nov 21 10:19:18 subgraph kernel: [229138.911472] grsec: Segmentation fault occurred at 0000000300000000 in /usr/bin/gnome-shell[gnome-shell:1260] uid/euid:1000/1000 gid/egid:1000/1000, parent /usr/lib/gnome-session/gnome-session-binary[gnome-session-b:1222] uid/euid:1000/1000 gid/egid:1000/1000
Nov 21 11:27:29 subgraph kernel: [233229.887027] Web Content[32626]: segfault at 3781b255b18 ip 000003bc908bc2f9 sp 000003ddac27d238 error 4 in libxul.so[3bc8ebb1000+4400000]
Nov 21 11:27:29 subgraph kernel: [233229.887052] grsec: Segmentation fault occurred at 000003781b255b18 in /srv/oz/rootfs/home/user/.local/share/torbrowser/tbb/x86_64/tor-browser_en-US/Browser/plugin-container[Web Content:32626] uid/euid:1000/1000 gid/egid:1000/1000, parent /srv/oz/rootfs/home/user/.local/share/torbrowser/tbb/x86_64/tor-browser_en-US/Browser/firefox[Gecko_IOThread:32570] uid/euid:1000/1000 gid/egid:1000/1000

The first segfault and everything until gnome-shell is inside the chroot for pbuilder. Gnome-shell and Web Content are segfaults outside of the pbuilder chroot. X locked up briefly when gnome-shell crashed and it was automatically restarted.

kibal commented 6 years ago

More segfaults:

[237618.392209] dpkg-preconfigu[8437]: segfault at a1cbd5b8 ip 000000679ea747d0 sp 000003f1ac6cbba0 error 4 in perl[679ea46000+1e6000]
[237618.392229] grsec: Segmentation fault occurred at 00000000a1cbd5b8 in /var/cache/pbuilder/build/cow.3525/usr/sbin/dpkg-preconfigure[dpkg-preconfigu:8437] uid/euid:0/0 gid/egid:0/0, parent /var/cache/pbuilder/build/cow.3525/bin/dash[sh:8436] uid/euid:0/0 gid/egid:0/0
[237766.828356] apt[8597]: segfault at 32749f79920 ip 000003944c46df4a sp 000003fb25797630 error 4 in libapt-pkg.so.5.0.1[3944c363000+1a9000]
[237766.828375] grsec: Segmentation fault occurred at 0000032749f79920 in /usr/bin/apt[apt:8597] uid/euid:0/0 gid/egid:0/0, parent /usr/bin/sudo[sudo:8596] uid/euid:0/0 gid/egid:0/0
[237766.830825] grsec: Segmentation fault occurred at 0000000000002194 in /usr/bin/sudo[sudo:8596] uid/euid:0/0 gid/egid:0/0, parent /bin/bash[bash:8595] uid/euid:1000/1000 gid/egid:1000/1000