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termux / proot-distro

An utility for managing installations of the Linux distributions in Termux.
GNU General Public License v3.0
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Segmentation fault when calling api command inside proot #434

Open ushu3323 opened 3 weeks ago

ushu3323 commented 3 weeks ago

Problem description I can't run succesfully termux-api commands inside proot-distro (using alpine linux), it causes segmentation fault. Works fine on default termux enviroment. I've tested the following commands: "termux-battery-status" "termux-brightness" "termux-volume"

~ $ termux-battery-status
WARNING: linker: /system/vendor/lib/hw/memtrack.clovertrail.so: unused DT entry: type 0xf arg 0x130
WARNING: linker: /system/vendor/lib/libsrv_um.so: unused DT entry: type 0xf arg 0xbe3
WARNING: linker: /system/vendor/lib/hw/memtrack.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/libsrv_um.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/hw/gralloc.clovertrail.so: unused DT entry: type 0xf arg 0x62a
WARNING: linker: /system/vendor/lib/libpvr2d.so: unused DT entry: type 0xf arg 0x79b
WARNING: linker: /system/vendor/lib/hw/gralloc.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/libpvr2d.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
{
  "health": "GOOD",
  "percentage": 99,
  "plugged": "UNPLUGGED",
  "status": "DISCHARGING",
  "temperature": 25.0,
  "current": -69
}
~ $ proot-distro login alpine
localhost:~# termux-battery-status
Segmentation fault
localhost:~#

Steps to reproduce

Expected behavior Expected to run normally (in this case, termux-battery-status should return a JSON containing info of the device's battery) as shown in the section "Problem Description"

Additional information

Termux Variables:
TERMUX_API_VERSION=0.50.1
TERMUX_APK_RELEASE=F_DROID
TERMUX_APP_PACKAGE_MANAGER=apt
TERMUX_APP_PID=4408
TERMUX_IS_DEBUGGABLE_BUILD=0
TERMUX_MAIN_PACKAGE_FORMAT=debian
TERMUX_VERSION=0.118.1
TERMUX__USER_ID=0
Packages CPU architecture:
i686
Subscribed repositories:
# sources.list
deb https://packages-cf.termux.dev/apt/termux-main stable main
Updatable packages:
esbuild/stable 0.23.0 i686 [upgradable from: 0.21.1]
libtalloc/stable 2.4.2 i686 [upgradable from: 2.4.1]
libunbound/stable 1.21.0 i686 [upgradable from: 1.20.0-1]
proot/stable 5.1.107-65 i686 [upgradable from: 5.1.107-64]
termux-tools version:
1.43.3
Android version:
7.1.2
Kernel build information:
Linux localhost 3.4.34-lineage-01570-g463c91c87b07 termux/termux-api-package#2 SMP PREEMPT Mon Apr 26 11:00:56 CEST 2021 i686 Android
Device manufacturer:
samsung
Device model:
GT-P5210
LD Variables:
LD_LIBRARY_PATH=
LD_PRELOAD=/data/data/com.termux/files/usr/lib/libtermux-exec.so
Installed termux plugins:
com.termux.api
sylirre commented 3 weeks ago

Please provide a full output of env. Later may ask for other stuff, but environment variables is the first thing that may affect how Termux API commands work inside proot-distro.

ushu3323 commented 3 weeks ago

Sure! here's the output inside a proot-distro session

localhost:~# env
USER=root
EXTERNAL_STORAGE=/sdcard
SHLVL=1
HOME=/root
OLDPWD=/etc
PAGER=less
BOOTCLASSPATH=/system/framework/telephony-ext.jar:/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/ims-common.jar:/system/framework/apache-xml.jar:/system/framework/org.apache.http.legacy.boot.jar
COLORTERM=
TMPDIR=/tmp
PULSE_SERVER=127.0.0.1
TERM=xterm-256color
ANDROID_DATA=/data
LC_COLLATE=C
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games:/data/data/com.termux/files/usr/bin:/system/bin:/system/xbin
ANDROID_ROOT=/system
LANG=en_US.UTF-8
PWD=/root
CHARSET=UTF-8
MOZ_FAKE_NO_SANDBOX=1

and here is outside a proot-distro session (termux enviroment) just in case

~ $ env
SHELL=/data/data/com.termux/files/usr/bin/bash
HISTCONTROL=ignoreboth
PREFIX=/data/data/com.termux/files/usr
TERMUX_IS_DEBUGGABLE_BUILD=0
TERMUX_MAIN_PACKAGE_FORMAT=debian
PWD=/data/data/com.termux/files/home
LOGNAME=u0_a60
TERMUX_VERSION=0.118.1
EXTERNAL_STORAGE=/sdcard
LD_PRELOAD=/data/data/com.termux/files/usr/lib/libtermux-exec.so
HOME=/data/data/com.termux/files/home
TERMUX_API_VERSION=0.50.1
LANG=en_US.UTF-8
TERMUX_APK_RELEASE=F_DROID
TMPDIR=/data/data/com.termux/files/usr/tmp
SSH_CONNECTION=192.168.1.103 51680 192.168.1.101 8022
ANDROID_DATA=/data
TERM=xterm-256color
USER=u0_a60
SHLVL=1
ANDROID_ROOT=/system
BOOTCLASSPATH=/system/framework/telephony-ext.jar:/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/ims-common.jar:/system/framework/apache-xml.jar:/system/framework/org.apache.http.legacy.boot.jar
SSH_CLIENT=192.168.1.103 51680 8022
TERMUX_APP_PID=3604
PATH=/data/data/com.termux/files/usr/bin
SSH_TTY=/dev/pts/2
OLDPWD=/data/data/com.termux/files/home
_=/data/data/com.termux/files/usr/bin/env
ushu3323 commented 3 weeks ago

Sorry to bother, but I've just discovered that the issue is not limited to termux-api; it affects every executable/command that is previously installed in the Termux environment, unless it’s in proot-distro.

sylirre commented 3 weeks ago

Variables look good for Android 7.x.

If you are saying that all Termux commands do not work in proot-distro, try to run this:

Instead of pwd you can put any other command, whatever known to fail under proot-distro. Report whether commands work or not.

Also you can try to start just termux-chroot and try to run Termux api under its interactive shell.

ushu3323 commented 3 weeks ago

Hi, I just tried what you suggested, and it seems to work fine. I think it might be related to Alpine Linux running the commands differently (just a guess). I’ll keep you updated if I find anything that doesn’t work. Here’s the output from the tests based on your suggestion:

~ $ proot pwd
/data/data/com.termux/files/home
~ $ termux-chroot pwd
/data/data/com.termux/files/home
~ $ echo "trying one of the termux-api commands using proot and termux-chroot"
trying one of the termux-api commands using proot and termux-chroot
~ $ proot termux-battery-status
WARNING: linker: /system/vendor/lib/hw/memtrack.clovertrail.so: unused DT entry: type 0xf arg 0x130
WARNING: linker: /system/vendor/lib/libsrv_um.so: unused DT entry: type 0xf arg 0xbe3
WARNING: linker: /system/vendor/lib/hw/memtrack.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/libsrv_um.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/hw/gralloc.clovertrail.so: unused DT entry: type 0xf arg 0x62a
WARNING: linker: /system/vendor/lib/libpvr2d.so: unused DT entry: type 0xf arg 0x79b
WARNING: linker: /system/vendor/lib/hw/gralloc.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /system/vendor/lib/libpvr2d.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
{
  "health": "GOOD",
  "percentage": 40,
  "plugged": "UNPLUGGED",
  "status": "DISCHARGING",
  "temperature": 25.899999618530273,
  "current": -6
}
~ $ termux-chroot termux-battery-status
WARNING: linker: /vendor/lib/hw/memtrack.clovertrail.so: unused DT entry: type 0xf arg 0x130
WARNING: linker: /vendor/lib/libsrv_um.so: unused DT entry: type 0xf arg 0xbe3
WARNING: linker: /vendor/lib/hw/memtrack.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/libsrv_um.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/hw/gralloc.clovertrail.so: unused DT entry: type 0xf arg 0x62a
WARNING: linker: /vendor/lib/libpvr2d.so: unused DT entry: type 0xf arg 0x79b
WARNING: linker: /vendor/lib/hw/gralloc.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/libpvr2d.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
{
  "health": "GOOD",
  "percentage": 40,
  "plugged": "UNPLUGGED",
  "status": "DISCHARGING",
  "temperature": 25.899999618530273,
  "current": -14
}
~ $ echo "Starting termux-chroot and running termux-api commands"
Starting termux-chroot and running termux-api commands
~ $ termux-chroot
~ $ termux-battery-status
WARNING: linker: /vendor/lib/hw/memtrack.clovertrail.so: unused DT entry: type 0xf arg 0x130
WARNING: linker: /vendor/lib/libsrv_um.so: unused DT entry: type 0xf arg 0xbe3
WARNING: linker: /vendor/lib/hw/memtrack.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/libsrv_um.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/hw/gralloc.clovertrail.so: unused DT entry: type 0xf arg 0x62a
WARNING: linker: /vendor/lib/libpvr2d.so: unused DT entry: type 0xf arg 0x79b
WARNING: linker: /vendor/lib/hw/gralloc.clovertrail.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
WARNING: linker: /vendor/lib/libpvr2d.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
{
  "health": "GOOD",
  "percentage": 40,
  "plugged": "UNPLUGGED",
  "status": "DISCHARGING",
  "temperature": 25.799999237060547,
  "current": -3
}
~ $