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[tor-bugs] #28183 [- Select a component]: tor-0.3.5.3_alpha unexpected stop bug: (Sandbox) Caught a bad syscall attempt (syscall shutdown)

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Subject: [tor-bugs] #28183 [- Select a component]: tor-0.3.5.3_alpha unexpected stop bug: (Sandbox) Caught a bad syscall attempt (syscall shutdown)
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Date: Wed, 24 Oct 2018 16:20:48 -0000
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#28183: tor-0.3.5.3_alpha unexpected stop bug: (Sandbox) Caught a bad syscall
attempt (syscall shutdown)
-------------------------------------+-------------------------------------
 Reporter:  n05                      |          Owner:  (none)
     Type:  defect                   |         Status:  new
 Priority:  Medium                   |      Component:  - Select a
                                     |  component
  Version:  Tor: 0.3.5.3-alpha       |       Severity:  Normal
 Keywords:  (Sandbox) Caught a bad   |  Actual Points:
  syscall attempt (syscall           |
  shutdown)                          |
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
-------------------------------------+-------------------------------------
 tor -f ./torrc
 Oct 24 08:10:51.726 [notice] Tor 0.3.5.3-alpha running on Linux with
 Libevent 2.1.8-stable, OpenSSL 1.0.2p, Zlib 1.2.11, Liblzma 5.2.4, and
 Libzstd N/A.
 Oct 24 08:10:51.726 [notice] This version is not a stable Tor release.
 Expect more bugs than usual.
 Oct 24 08:10:51.726 [notice] Read configuration file "/home/n05/./torrc".
 Oct 24 08:10:51.730 [notice] Opening Socks listener on 127.0.0.1:7012
 Oct 24 08:10:51.730 [notice] Opened Socks listener on 127.0.0.1:7012
 Oct 24 08:10:51.000 [notice] Parsing GEOIP IPv4 file /usr/share/tor/geoip.
 Oct 24 08:10:51.000 [notice] Parsing GEOIP IPv6 file
 /usr/share/tor/geoip6.
 Oct 24 08:10:51.000 [notice] Bootstrapped 0%: Starting
 Oct 24 08:10:52.000 [notice] Starting with guard context "default"
 Oct 24 08:10:52.000 [notice] Bootstrapped 10%: Finishing handshake with
 directory server
 Oct 24 08:10:52.000 [notice] Bootstrapped 80%: Connecting to the Tor
 network
 Oct 24 08:10:52.000 [notice] Bootstrapped 90%: Establishing a Tor circuit
 Oct 24 08:10:53.000 [notice] Bootstrapped 100%: Done

 ============================================================ T= 1540371205
 (Sandbox) Caught a bad syscall attempt (syscall shutdown)
 tor(+0x7cb9e)[0x559d07c0cb9e]
 /lib64/libc.so.6(shutdown+0x7)[0x7f7b36b6ab97]
 /lib64/libc.so.6(shutdown+0x7)[0x7f7b36b6ab97]
 /usr/lib64/libcrypto.so.1.0.0(+0xf885d)[0x7f7b3738785d]
 /usr/lib64/libcrypto.so.1.0.0(BIO_free+0x8a)[0x7f7b3733237a]
 /usr/lib64/libcrypto.so.1.0.0(BIO_free_all+0x24)[0x7f7b373920e4]
 /usr/lib64/libssl.so.1.0.0(SSL_free+0x97)[0x7f7b37c7ac87]
 tor(tor_tls_free_+0x3c)[0x559d07c3f93c]
 tor(+0x1c631a)[0x559d07d5631a]
 tor(+0x1c1e34)[0x559d07d51e34]
 tor(+0x1c228e)[0x559d07d5228e]
 /usr/lib64/libevent-2.1.so.6(+0x20b45)[0x7f7b374fbb45]
 /usr/lib64/libevent-2.1.so.6(event_base_loop+0x507)[0x7f7b374fc8a7]
 tor(do_main_loop+0x74)[0x559d07d4a994]
 tor(tor_run_main+0x11a6)[0x559d07d5a9b6]
 tor(tor_main+0x26)[0x559d07d5bdc6]
 tor(main+0x9)[0x559d07be1be9]
 /lib64/libc.so.6(__libc_start_main+0xe7)[0x7f7b36a86ae7]
 tor(_start+0x2a)[0x559d07be1c2a]


 torrc:
 Log notice

 #SEC
 SandBox 1
 SafeLogging 1
 NoExec 1
 ClientOnly 1
 SafeSocks 1
 TestSocks 1

 #NET
 #8min keep-alive
 KeepAlivePeriod 600
 SOCKSPort 7012

 #PERF
 TruncateLogFile 1
 HardwareAccel 1
 #AccelName rdrand
 AvoidDiskWrites 1

 emerge --info

 Portage 2.3.51 (python 3.6.6-final-0, default/linux/amd64/17.0, gcc-8.2.0,
 glibc-2.27-r6, 4.19.0-gentoo_intel x86_64)
 =================================================================
 System uname: Linux-4.19.0-gentoo_intel-x86_64-Intel-R-_Core-TM-
 _i7-2860QM_CPU_@_2.50GHz-with-gentoo-2.6
 KiB Mem:    16211896 total,    328624 free
 KiB Swap:   15625212 total,  15625212 free
 Timestamp of repository gentoo: Wed, 24 Oct 2018 00:45:01 +0000
 sh bash 4.4_p23
 ld GNU ld (Gentoo 2.31.1 p3) 2.31.1
 distcc 3.2rc1 x86_64-pc-linux-gnu [disabled]
 ccache version 3.5 [disabled]
 app-shells/bash:          4.4_p23::gentoo
 dev-java/java-config:     2.2.0-r4::gentoo
 dev-lang/perl:            5.26.2::gentoo
 dev-lang/python:          2.7.15::gentoo, 3.6.6::gentoo
 dev-util/ccache:          3.5::gentoo
 dev-util/cmake:           3.12.3::gentoo
 dev-util/pkgconfig:       0.29.2::gentoo
 sys-apps/baselayout:      2.6-r1::gentoo
 sys-apps/openrc:          0.39::gentoo
 sys-apps/sandbox:         2.13::gentoo
 sys-devel/autoconf:       2.13::gentoo, 2.69-r4::gentoo
 sys-devel/automake:       1.16.1-r1::gentoo
 sys-devel/binutils:       2.31.1-r1::gentoo
 sys-devel/gcc:            8.2.0-r3::gentoo
 sys-devel/gcc-config:     2.0::gentoo
 sys-devel/libtool:        2.4.6-r5::gentoo
 sys-devel/make:           4.2.1-r4::gentoo
 sys-kernel/linux-headers: 4.19::gentoo (virtual/os-headers)
 sys-libs/glibc:           2.27-r6::gentoo
 Repositories:

 gentoo
     location: /usr/portage
     sync-type: webrsync
     sync-uri: rsync://rsync.gentoo.org/gentoo-portage
     priority: -1000


 ACCEPT_KEYWORDS="amd64 ~amd64"
 ACCEPT_LICENSE="* -@EULA"
 CBUILD="x86_64-pc-linux-gnu"
 CFLAGS="-O2 -pipe       -flto=8         -fuse-ld=gold   -fomit-frame-
 pointer -ftree-vectorize   -march=sandybridge -mtune=sandybridge -mmmx
 -msse -msse2 -msse3 -mssse3 -mcx16  -msahf -maes -mpclmul -mpopcnt -mavx
 -msse4.2 -msse4.1 -mfxsr -mxsave -mxsaveopt        --param l1-cache-
 size=32 --param l1-cache-line-size=64 --param l2-cache-size=8192"
 CHOST="x86_64-pc-linux-gnu"
 CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc
 /usr/share/gnupg/qualified.txt /var/lib/i2pd/certificates"
 CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d
 /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild
 /etc/sandbox.d /etc/terminfo"
 CXXFLAGS="-O2 -pipe     -flto=8         -fuse-ld=gold   -fomit-frame-
 pointer -ftree-vectorize   -march=sandybridge -mtune=sandybridge -mmmx
 -msse -msse2 -msse3 -mssse3 -mcx16  -msahf -maes -mpclmul -mpopcnt -mavx
 -msse4.2 -msse4.1 -mfxsr -mxsave -mxsaveopt        --param l1-cache-
 size=32 --param l1-cache-line-size=64 --param l2-cache-size=8192"
 DISTDIR="/usr/portage/distfiles"
 ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY PERL5LIB PERL5OPT PERLPREFIX
 PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME
 XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
 FCFLAGS="-O2 -pipe"
 FEATURES="assume-digests binpkg-logs candy cgroup config-protect-if-
 modified distlocks ebuild-locks fixlafiles merge-sync multilib-strict news
 nodoc noinfo noman parallel-fetch parallel-install preserve-libs protect-
 owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-
 orphans userfetch userpriv usersandbox usersync webrsync-gpg xattr"
 FFLAGS="-O2 -pipe"

 LANG="en_US.utf8"
 LDFLAGS="-Wl,-O1 -Wl,--as-needed"
 LINGUAS="en ru ua"
 MAKEOPTS="-j8"
 PKGDIR="/usr/portage/packages"
 PORTAGE_CONFIGROOT="/"
 PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times
 --omit-dir-times --compress --force --whole-file --delete --stats --human-
 readable --timeout=180 --exclude=/distfiles --exclude=/local
 --exclude=/packages --exclude=/.git"
 PORTAGE_TMPDIR="/var/tmp"
 USE="#chromium #graphite #link X a aac acl acpi adjust alsa amd64 avx
 based bash-completion berkdb branding break, bzip2 cairo can check cli
 consolekit crypt custom-cflags custom-optimization cxx dbus dri dri3
 ffmpeg fortran gallium gdbm gif glamor gnome-keyring graphite gstreamer
 gtk gtk3 iconv icu intermediate jemalloc jit jpeg jpeg2k jumbo-build
 jumbo_file_merge_limit libnotify libsamplerate libtirpc llvm lm_sensors
 lock loop lto lzma lzo make matroska mime mmx mmxext mng mp3 mp4 multilib
 ncurses networkmanager nls nptl ntp on opengl openmp optimization
 optimizations pam pclmul pcre png policykit polyhedral popcnt rdesktop
 readline representation seccomp session shenandoah sndfile socks5 sound
 speedup, sqlite sse sse2 sse3 sse4_1 sse4_2 ssl ssse3 startup-notification
 svg system-bzip2 system-ffmpeg system-harfbuzz system-icu system-jpeg
 system-libevent system-libvpx system-libwebp system-lua system-sqlite
 system-zlib tcpd theora threads thunar tiff time truetype udev udisks
 unicode upower usb uvm v4l vaapi vdpau vorbis vpx vulkan webp wifi wmf
 x264 xa xattr xcb xpm xscreensaver xvid xvmc zlib" ABI_X86="64"
 ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci
 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m
 maestro3 trident usb-audio via82xx via82xx-modem ymfpci"
 APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias
 auth_basic authn_alias authn_anon authn_dbm authn_default authn_file
 authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user
 autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env
 expires ext_filter file_cache filter headers include info log_config logio
 mem_cache mime mime_magic negotiation rewrite setenvif speling status
 unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon plan
 sheets stage words" COLLECTD_PLUGINS="df interface irq load memory rrdtool
 swap syslog" CPU_FLAGS_X86="aes avx mmx mmxext pclmul popcnt sse sse2 sse3
 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate
 evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip
 navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq
 superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev
 synaptics" KERNEL="linux" L10N="en ru ua" LCD_DEVICES="bayrad cfontz
 cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"
 LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"
 OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6 php7-1"
 POSTGRES_TARGETS="postgres9_5 postgres10" PYTHON_SINGLE_TARGET="python3_6"
 PYTHON_TARGETS="python2_7 python3_6" QEMU_SOFTMMU_TARGETS="arm"
 QEMU_USER_TARGETS="arm" RUBY_TARGETS="ruby25" USERLAND="GNU"
 VIDEO_CARDS="intel i965" XFCE_PLUGINS="brightness clock power trash"
 XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p
 iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark
 dhcpmac delude chaos account"
 Unset:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK,
 LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS,
 PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

 equery u tor
 [ Legend : U - final flag setting for installation]
 [        : I - package is installed with flag     ]
 [ Colors : set, unset                             ]
  * Found these USE flags for net-vpn/tor-0.3.5.3_alpha:
  U I
  - - caps          : Use Linux capabilities library to control privilege
  - - libressl      : Use dev-libs/libressl instead of dev-libs/openssl
 when applicable (see also the ssl useflag)
  + + lzma          : Support for LZMA (de)compression algorithm
  - - scrypt        : Use app-crypt/libscrypt for the scrypt algorithm
  + + seccomp       : Enable seccomp (secure computing mode) to perform
 system call filtering at runtime to increase security of programs
  - - systemd       : Enable use of systemd-specific libraries and features
 like socket activation or session tracking
  - - test          : Enable dependencies and/or preparations necessary to
 run tests (usually controlled by FEATURES=test but can be toggled
 independently)
  - - tor-hardening : Compile tor with hardening on vanilla
 compilers/linkers
  - - zstd          : Use app-arch/zstd for compression


 gentoo bug : bugs.gentoo.org/669510

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28183>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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