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Magisk su issue #30

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cswl opened this issue Nov 23, 2018 · 3 comments
Closed

Magisk su issue #30

cswl opened this issue Nov 23, 2018 · 3 comments

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@cswl
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cswl commented Nov 23, 2018 •
edited

This issue will track fixes towards Magisk superuser which is mostly "Permission denied."
All remaining issues will be closed in favor of this one.
This was referenced Nov 23, 2018
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Closed
@cswl
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cswl commented Nov 23, 2018 •
edited

Investigating this..

% file /sbin/su
/sbin/su: symbolic link to /sbin/magisk
% file /sbin/magisk
/sbin/magisk: a /system/bin/sh script, ASCII text executable 
% cat /sbin/magisk
#!/system/bin/sh
unset LD_LIBRARY_PATH
unset LD_PRELOAD
exec /sbin/magisk.bin "${0##*/}" "$@"
% file /sbin/magisk.bin
/sbin/magisk.bin: ELF 32-bit LSB shared object, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /system/bin/linker, BuildID[sha1]=ff47d2a840482ede5f103dd0fad750d808711c7f, stripped

Seems like Magisk su is just a wrapper script which first unsets the LD_* variables which we have removed too..

I have no idea why 64 bit binaries were removed.. that causes it
I think I will have to look into Android linker to see the mess this is

@leo-b
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leo-b commented Feb 6, 2019 •
edited

I am also experiencing issues since an upgrade to Oreo. Downgrading Magisk from 18.1 to a version that worked on Nougat (e.g. 16.3) doesn't help, so I doubt it is a Magisk issue at all. Maybe I should open a separate issue?

tsu is able to launch a shell via magisk tsu but that shell isn't able to run any executable anymore.
Re-adding the LD_* variables doesn't help.
selinux is permissive.

I don't know if this is related to #33 because some users report that they are using SuperSU.
I've also had a look at branch v3.0-stash but it looks incomplete. (E.g. libtsu-magisk.sh is referenced but missing.)

Do you have an explanation for this behavior and is there a known workaround yet?

Here are some details:

From within termux: 
$ bash -x tsu
+ getopts :aehps:c opt
+ test -z /data/data/com.termux/files/usr
+ test -n ''
+ test -n ''
+ LD_LIBRARY_PATH=/data/data/com.termux/files/usr/lib
+ test -n ''
+ test -z ''
+ test -x /data/data/com.termux/files/home/.termux/shell
+ test -x /data/data/com.termux/files/usr/bin/bash
+ ROOT_SHELL=/data/data/com.termux/files/usr/bin/bash
+ OLD_LIBRARY_PATH=/data/data/com.termux/files/usr/lib
+ '[' -e /sbin/magisk ']'
+ for s in '/magisk/.core/bin/su' '/sbin/su'
+ '[' -e /magisk/.core/bin/su ']'
+ for s in '/magisk/.core/bin/su' '/sbin/su'
+ '[' -e /sbin/su ']'
+ unset LD_LIBRARY_PATH
+ SU_BINARY=/sbin/su
+ '[' -z '' ']'
+ exec /sbin/su --preserve-environment -c 'LD_LIBRARY_PATH=/data/data/com.termux/files/usr/lib PATH=/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets:/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets:/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets /data/data/com.termux/files/usr/bin/bash'

# id
bash: /data/data/com.termux/files/usr/bin/id: Permission denied
# set
ANDROID_DATA=/data
ANDROID_ROOT=/system
BASH=/data/data/com.termux/files/usr/bin/bash
BASHOPTS=cmdhist:complete_fullquote:expand_aliases:extquote:force_fignore:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath
BASH_ALIASES=()
BASH_ARGC=()
BASH_ARGV=()
BASH_CMDS=()
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="4" [1]="4" [2]="23" [3]="1" [4]="release" [5]="aarch64-unknown-linux-android")
BASH_VERSION='4.4.23(1)-release'
COLUMNS=144
DIRSTACK=()
EUID=0
EXTERNAL_STORAGE=/sdcard
GROUPS=()
HISTFILE=/data/data/com.termux/files/home/.bash_history
HISTFILESIZE=500
HISTSIZE=500
HOME=/data/data/com.termux/files/home
HOSTNAME=localhost
HOSTTYPE=aarch64
IFS=$' \t\n'
LANG=en_US.UTF-8
LD_LIBRARY_PATH=/data/data/com.termux/files/usr/lib
LINES=65
LOGNAME=u0_a294
MACHTYPE=aarch64-unknown-linux-android
MAILCHECK=60
OPTERR=1
OPTIND=1
OSTYPE=linux-android
PATH=/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets:/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets:/data/data/com.termux/files/usr/bin:/data/data/com.termux/files/usr/bin/applets
PIPESTATUS=([0]="2")
PPID=30596
PREFIX=/data/data/com.termux/files/usr
PS1='\$ '
PS2='> '
PS4='+ '
PWD=/data/data/com.termux/files/home
SHELL=/data/data/com.termux/files/usr/bin/bash
SHELLOPTS=braceexpand:emacs:hashall:histexpand:history:interactive-comments:monitor
SHLVL=2
SSH_CLIENT='127.0.0.1 45315 1123'
SSH_CONNECTION='127.0.0.1 45315 127.0.0.1 1123'
SSH_TTY=/dev/pts/2
TERM=xterm-256color
TMPDIR=/data/data/com.termux/files/usr/tmp
UID=0
USER=u0_a294
_=--help
command_not_found_handle () 
{ 
    /data/data/com.termux/files/usr/libexec/termux/command-not-found "$1"
}

# LD_PRELOAD=/data/data/com.termux/files/usr/lib/libtermux-exec.so id
bash: /data/data/com.termux/files/usr/bin/id: Permission denied
From adb shell: 
hero2lte:/ $ /sbin/su

hero2lte:/ # for f in /sbin/su /sbin/magisk /sbin/magisk.bin /data/data/com.termux/files/usr/bin/{coreutils,id} /data/data/com.termux/files/usr/lib/libtermux-exec.so; do ls -l $f; file $f; done
lrwxrwxrwx 1 root root 12 2019-02-05 18:47 /sbin/su -> /sbin/magisk
/sbin/su: symbolic link
-rwxr-xr-x 1 root root 94 2019-02-05 18:47 /sbin/magisk
/sbin/magisk: /system/bin/sh script
-rwxr-xr-x 1 root root 100068 2019-02-05 18:47 /sbin/magisk.bin
/sbin/magisk.bin: ELF shared object, 32-bit LSB arm, dynamic (/system/bin/linker), BuildID=04ebe378f4100b5ff7c3eb7da8a17a10836e5ce1, stripped
-rwxr-xr-x 1 u0_a294 u0_a294 1054504 2018-07-03 11:20 /data/data/com.termux/files/usr/bin/coreutils
/data/data/com.termux/files/usr/bin/coreutils: ELF shared object, 64-bit LSB arm64, dynamic (/system/bin/linker64), for Android 21, built by NDK r17 (4754217), stripped
lrwxrwxrwx 1 u0_a294 u0_a294 9 2019-01-29 17:46 /data/data/com.termux/files/usr/bin/id -> coreutils
/data/data/com.termux/files/usr/bin/id: symbolic link
-rwxr-xr-x 1 u0_a294 u0_a294 5720 2017-10-01 22:13 /data/data/com.termux/files/usr/lib/libtermux-exec.so
/data/data/com.termux/files/usr/lib/libtermux-exec.so: ELF shared object, 64-bit LSB arm64, stripped

hero2lte:/ # cat /sbin/magisk                                                  
#!/system/bin/sh
unset LD_LIBRARY_PATH
unset LD_PRELOAD
exec /sbin/magisk.bin "${0##*/}" "$@"

hero2lte:/ # env | sort                                                        
ANDROID_ASSETS=/system/app
ANDROID_BOOTLOGO=1
ANDROID_DATA=/data
ANDROID_ROOT=/system
ANDROID_SOCKET_adbd=8
ANDROID_STORAGE=/storage
ASEC_MOUNTPOINT=/mnt/asec
BOOTCLASSPATH=/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/legacy-test.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:/system/framework/smartbondingservice.jar:/system/framework/sprengine.jar:/system/framework/android.hidl.base-V1.0-java.jar:/system/framework/android.hidl.manager-V1.0-java.jar:/system/framework/timakeystore.jar:/system/framework/fipstimakeystore.jar:/system/framework/ucmopensslenginehelper.jar:/system/framework/esecomm.jar:/system/framework/SemAudioThumbnail.jar:/system/framework/knoxsdk.jar:/system/framework/sec_edm.jar:/system/framework/sagearpolicymanager.jar:/system/framework/sec_sdp_sdk.jar:/system/framework/sec_sdp_hidden_sdk.jar:/system/framework/knoxvpnuidtag.jar
DOWNLOAD_CACHE=/data/cache
ENC_EMULATED_STORAGE_TARGET=/storage/enc_emulated
EXTERNAL_STORAGE=/sdcard
HOME=/
HOSTNAME=hero2lte
KNOX_STORAGE=/data/knox/ext_sdcard
LOGNAME=root
MC_AUTH_TOKEN_PATH=/efs
PATH=/sbin:/system/sbin:/system/bin:/system/xbin:/vendor/bin:/vendor/xbin
SHELL=/system/bin/sh
SYSTEMSERVERCLASSPATH=/system/framework/services.jar:/system/framework/ethernet-service.jar:/system/framework/wifi-service.jar:/system/framework/samsung-services.jar:/system/framework/hqm.jar:/system/framework/dmf.jar:/system/framework/ssrm.jar
TERM=dumb
TMPDIR=/data/local/tmp
USER=root
_=/system/bin/env

# getenforce                                                      
Permissive
Comparison of the virtual memory maps of bash

bash as user termux:

$ x=$(</proc/self/maps)
$ echo "$x"
7b3901a000-7b3902b000 r-xp 00000000 08:0e 8296                           /system/lib64/libcutils.so
7b3902b000-7b3902d000 r--p 00010000 08:0e 8296                           /system/lib64/libcutils.so
7b3902d000-7b3902e000 rw-p 00012000 08:0e 8296                           /system/lib64/libcutils.so
7b39043000-7b39059000 r-xp 00000000 08:0e 8411                           /system/lib64/liblog.so
7b39059000-7b3905a000 ---p 00000000 00:00 0 
7b3905a000-7b3905b000 r--p 00016000 08:0e 8411                           /system/lib64/liblog.so
7b3905b000-7b3905c000 rw-p 00017000 08:0e 8411                           /system/lib64/liblog.so
7b39082000-7b390b9000 r-xp 00000000 08:0e 8417                           /system/lib64/libm.so
7b390b9000-7b390ba000 r--p 00036000 08:0e 8417                           /system/lib64/libm.so
7b390ba000-7b390bb000 rw-p 00037000 08:0e 8417                           /system/lib64/libm.so
7b390d6000-7b390d8000 r-xp 00000000 08:0e 8450                           /system/lib64/libnetd_client.so
7b390d8000-7b390d9000 ---p 00000000 00:00 0 
7b390d9000-7b390da000 r--p 00002000 08:0e 8450                           /system/lib64/libnetd_client.so
7b390da000-7b390db000 rw-p 00003000 08:0e 8450                           /system/lib64/libnetd_client.so
7b39105000-7b391db000 r-xp 00000000 08:0e 8277                           /system/lib64/libc++.so
7b391db000-7b391dc000 ---p 00000000 00:00 0 
7b391dc000-7b391e4000 r--p 000d6000 08:0e 8277                           /system/lib64/libc++.so
7b391e4000-7b391e5000 rw-p 000de000 08:0e 8277                           /system/lib64/libc++.so
7b391e5000-7b391e8000 rw-p 00000000 00:00 0                              [anon:.bss]
7b39200000-7b39600000 rw-p 00000000 00:00 0                              [anon:libc_malloc]
7b39640000-7b39704000 r-xp 00000000 08:0e 8278                           /system/lib64/libc.so
7b39704000-7b39705000 ---p 00000000 00:00 0 
7b39705000-7b3970b000 r--p 000c4000 08:0e 8278                           /system/lib64/libc.so
7b3970b000-7b3970d000 rw-p 000ca000 08:0e 8278                           /system/lib64/libc.so
7b3970d000-7b3970e000 rw-p 00000000 00:00 0                              [anon:.bss]
7b3970e000-7b3970f000 r--p 00000000 00:00 0                              [anon:.bss]
7b3970f000-7b39716000 rw-p 00000000 00:00 0                              [anon:.bss]
7b39763000-7b39765000 r-xp 00000000 08:0e 8305                           /system/lib64/libdl.so
7b39765000-7b39766000 r--p 00001000 08:0e 8305                           /system/lib64/libdl.so
7b39766000-7b39767000 rw-p 00002000 08:0e 8305                           /system/lib64/libdl.so
7b39767000-7b39768000 rw-p 00000000 00:00 0                              [anon:.bss]
7b39794000-7b397df000 r-xp 00000000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
7b397df000-7b397f0000 ---p 00000000 00:00 0 
7b397f0000-7b397f4000 r--p 0004c000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
7b397f4000-7b397f6000 rw-p 00050000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
7b39804000-7b39827000 r-xp 00000000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7b39827000-7b39843000 ---p 00000000 00:00 0 
7b39843000-7b39844000 r--p 0002f000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7b39844000-7b39845000 rw-p 00030000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7b39880000-7b39887000 r-xp 00000000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
7b39887000-7b3989f000 ---p 00000000 00:00 0 
7b3989f000-7b398a0000 r--p 0000f000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
7b398a0000-7b398a1000 rw-p 00010000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
7b398d7000-7b398d8000 r-xp 00000000 103:02 1590495                       /data/data/com.termux/files/usr/lib/libtermux-exec.so
7b398d8000-7b398d9000 r--p 00000000 103:02 1590495                       /data/data/com.termux/files/usr/lib/libtermux-exec.so
7b398d9000-7b398da000 rw-p 00001000 103:02 1590495                       /data/data/com.termux/files/usr/lib/libtermux-exec.so
7b398e2000-7b39912000 r--s 00000000 00:0f 12823                          /dev/__properties__/u:object_r:default_prop:s0
7b39912000-7b3994d000 r-xp 00000000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7b3994d000-7b39960000 ---p 00000000 00:00 0 
7b39960000-7b39962000 r--p 0003e000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7b39962000-7b39969000 rw-p 00040000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7b39981000-7b399b1000 r--s 00000000 00:0f 12863                          /dev/__properties__/properties_serial
7b399b1000-7b399b2000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7b399b3000-7b399b4000 rw-p 00000000 00:00 0                              [anon:linker_alloc]
7b399be000-7b399bf000 r--p 00000000 00:00 0                              [anon:linker_alloc]
7b399cc000-7b399ce000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7b399e4000-7b399e5000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7b399eb000-7b39a1b000 r--s 00000000 00:0f 12857                          /dev/__properties__/u:object_r:debug_prop:s0
7b39a1b000-7b39a1c000 ---p 00000000 00:00 0 
7b39a1c000-7b39a1d000 rw-p 00000000 00:00 0 
7b39a1d000-7b39a1e000 ---p 00000000 00:00 0 
7b39a1e000-7b39a4e000 r--s 00000000 00:0f 12863                          /dev/__properties__/properties_serial
7b39a4e000-7b39b33000 r-xp 00000000 08:0e 226772                         /system/bin/linker64
7b39b34000-7b39b38000 r--p 000e5000 08:0e 226772                         /system/bin/linker64
7b39b38000-7b39b39000 rw-p 000e9000 08:0e 226772                         /system/bin/linker64
7b39b39000-7b39ba5000 rw-p 00000000 00:00 0 
7b39ba5000-7b39ba6000 r--p 00000000 00:00 0 
7b39ba6000-7b39bac000 rw-p 00000000 00:00 0 
7b39bac000-7b39c4a000 r-xp 00000000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
7b39c4a000-7b39c4b000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7b39c4c000-7b39c4d000 r--p 00000000 00:00 0                              [anon:atexit handlers]
7b39c4d000-7b39c50000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7b39c50000-7b39c51000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7b39c51000-7b39c52000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7b39c52000-7b39c53000 rw-p 00000000 00:00 0                              [anon:arc4random data]
7b39c53000-7b39c54000 rw-p 00000000 00:00 0                              [anon:linker_alloc]
7b39c54000-7b39c55000 rw-p 00000000 00:00 0                              [anon:linker_alloc_lob]
7b39c55000-7b39c56000 r--p 00000000 00:00 0                              [anon:linker_alloc]
7b39c56000-7b39c57000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7b39c57000-7b39c58000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7b39c58000-7b39c59000 r--p 00000000 00:00 0                              [anon:linker_alloc]
7b39c59000-7b39c5a000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7b39c5a000-7b39c5b000 r--p 00000000 00:00 0                              [anon:atexit handlers]
7b39c5b000-7b39c5c000 ---p 00000000 00:00 0                              [anon:thread signal stack guard page]
7b39c5c000-7b39c60000 rw-p 00000000 00:00 0                              [anon:thread signal stack]
7b39c60000-7b39c61000 rw-p 00000000 00:00 0                              [anon:arc4random data]
7b39c61000-7b39c62000 ---p 00000000 00:00 0                              [anon:bionic TLS guard page]
7b39c62000-7b39c65000 rw-p 00000000 00:00 0                              [anon:bionic TLS]
7b39c65000-7b39c66000 ---p 00000000 00:00 0                              [anon:bionic TLS guard page]
7b39c66000-7b39c67000 r--p 00000000 00:00 0                              [vvar]
7b39c67000-7b39c68000 r-xp 00000000 00:00 0                              [vdso]
7b39c68000-7b39c6c000 r--p 000ac000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
7b39c6c000-7b39c6f000 rw-p 000b0000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
7b39c6f000-7b39c78000 rw-p 00000000 00:00 0 
7fd0230000-7fd0251000 rw-p 00000000 00:00 0                              [stack]

bash after tsu:

$ tsu

# echo "$x"
766385e000-766386f000 r-xp 00000000 08:0e 8296                           /system/lib64/libcutils.so
766386f000-7663871000 r--p 00010000 08:0e 8296                           /system/lib64/libcutils.so
7663871000-7663872000 rw-p 00012000 08:0e 8296                           /system/lib64/libcutils.so
7663890000-76638a6000 r-xp 00000000 08:0e 8411                           /system/lib64/liblog.so
76638a6000-76638a7000 ---p 00000000 00:00 0 
76638a7000-76638a8000 r--p 00016000 08:0e 8411                           /system/lib64/liblog.so
76638a8000-76638a9000 rw-p 00017000 08:0e 8411                           /system/lib64/liblog.so
76638c4000-76638fb000 r-xp 00000000 08:0e 8417                           /system/lib64/libm.so
76638fb000-76638fc000 r--p 00036000 08:0e 8417                           /system/lib64/libm.so
76638fc000-76638fd000 rw-p 00037000 08:0e 8417                           /system/lib64/libm.so
7663916000-76639ec000 r-xp 00000000 08:0e 8277                           /system/lib64/libc++.so
76639ec000-76639ed000 ---p 00000000 00:00 0 
76639ed000-76639f5000 r--p 000d6000 08:0e 8277                           /system/lib64/libc++.so
76639f5000-76639f6000 rw-p 000de000 08:0e 8277                           /system/lib64/libc++.so
76639f6000-76639f9000 rw-p 00000000 00:00 0                              [anon:.bss]
7663a00000-7663e00000 rw-p 00000000 00:00 0                              [anon:libc_malloc]
7663e4e000-7663e50000 r-xp 00000000 08:0e 8450                           /system/lib64/libnetd_client.so
7663e50000-7663e51000 ---p 00000000 00:00 0 
7663e51000-7663e52000 r--p 00002000 08:0e 8450                           /system/lib64/libnetd_client.so
7663e52000-7663e53000 rw-p 00003000 08:0e 8450                           /system/lib64/libnetd_client.so
7663e8a000-7663e8c000 r-xp 00000000 08:0e 8305                           /system/lib64/libdl.so
7663e8c000-7663e8d000 r--p 00001000 08:0e 8305                           /system/lib64/libdl.so
7663e8d000-7663e8e000 rw-p 00002000 08:0e 8305                           /system/lib64/libdl.so
7663e8e000-7663e8f000 rw-p 00000000 00:00 0                              [anon:.bss]
7663ef5000-7663f18000 r-xp 00000000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7663f18000-7663f34000 ---p 00000000 00:00 0 
7663f34000-7663f35000 r--p 0002f000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7663f35000-7663f36000 rw-p 00030000 103:02 1589350                       /data/data/com.termux/files/usr/lib/libandroid-support.so
7663f51000-7664015000 r-xp 00000000 08:0e 8278                           /system/lib64/libc.so
7664015000-7664016000 ---p 00000000 00:00 0 
7664016000-766401c000 r--p 000c4000 08:0e 8278                           /system/lib64/libc.so
766401c000-766401e000 rw-p 000ca000 08:0e 8278                           /system/lib64/libc.so
766401e000-766401f000 rw-p 00000000 00:00 0                              [anon:.bss]
766401f000-7664020000 r--p 00000000 00:00 0                              [anon:.bss]
7664020000-7664027000 rw-p 00000000 00:00 0                              [anon:.bss]
7664045000-7664090000 r-xp 00000000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
7664090000-76640a1000 ---p 00000000 00:00 0 
76640a1000-76640a5000 r--p 0004c000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
76640a5000-76640a7000 rw-p 00050000 103:02 1591794                       /data/data/com.termux/files/usr/lib/libncursesw.so.6.1
76640af000-76640df000 r--s 00000000 00:0f 12823                          /dev/__properties__/u:object_r:default_prop:s0
76640df000-76640e6000 r-xp 00000000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
76640e6000-76640fe000 ---p 00000000 00:00 0 
76640fe000-76640ff000 r--p 0000f000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
76640ff000-7664100000 rw-p 00010000 103:02 1589874                       /data/data/com.termux/files/usr/lib/libhistory.so.7.0
7664119000-7664154000 r-xp 00000000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7664154000-7664167000 ---p 00000000 00:00 0 
7664167000-7664169000 r--p 0003e000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7664169000-7664170000 rw-p 00040000 103:02 1589635                       /data/data/com.termux/files/usr/lib/libreadline.so.7.0
7664176000-76641a6000 r--s 00000000 00:0f 12863                          /dev/__properties__/properties_serial
76641a6000-76641a7000 rw-p 00000000 00:00 0                              [anon:linker_alloc]
76641b7000-76641b8000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
76641c7000-76641c8000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
76641d7000-76641d8000 r--p 00000000 00:00 0                              [anon:atexit handlers]
76641d8000-7664208000 r--s 00000000 00:0f 12857                          /dev/__properties__/u:object_r:debug_prop:s0
7664208000-7664209000 ---p 00000000 00:00 0 
7664209000-766420a000 rw-p 00000000 00:00 0 
766420a000-766420b000 ---p 00000000 00:00 0 
766420b000-766423b000 r--s 00000000 00:0f 12863                          /dev/__properties__/properties_serial
766423b000-7664320000 r-xp 00000000 08:0e 226772                         /system/bin/linker64
7664320000-7664321000 rw-p 00000000 00:00 0                              [anon:arc4random data]
7664321000-7664325000 r--p 000e5000 08:0e 226772                         /system/bin/linker64
7664325000-7664326000 rw-p 000e9000 08:0e 226772                         /system/bin/linker64
7664326000-7664392000 rw-p 00000000 00:00 0 
7664392000-7664393000 r--p 00000000 00:00 0 
7664393000-7664399000 rw-p 00000000 00:00 0 
7664399000-7664437000 r-xp 00000000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
7664437000-7664439000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7664439000-766443a000 r--p 00000000 00:00 0                              [anon:linker_alloc]
766443a000-766443d000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
766443d000-766443e000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
766443e000-766443f000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
766443f000-7664440000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7664440000-7664441000 rw-p 00000000 00:00 0                              [anon:linker_alloc]
7664441000-7664442000 rw-p 00000000 00:00 0                              [anon:linker_alloc_lob]
7664442000-7664443000 r--p 00000000 00:00 0                              [anon:linker_alloc]
7664443000-7664444000 rw-p 00000000 00:00 0                              [anon:linker_alloc_vector]
7664444000-7664445000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7664445000-7664446000 r--p 00000000 00:00 0                              [anon:linker_alloc]
7664446000-7664447000 rw-p 00000000 00:00 0                              [anon:linker_alloc_small_objects]
7664447000-7664448000 r--p 00000000 00:00 0                              [anon:atexit handlers]
7664448000-7664449000 ---p 00000000 00:00 0                              [anon:thread signal stack guard page]
7664449000-766444d000 rw-p 00000000 00:00 0                              [anon:thread signal stack]
766444d000-766444e000 rw-p 00000000 00:00 0                              [anon:arc4random data]
766444e000-766444f000 ---p 00000000 00:00 0                              [anon:bionic TLS guard page]
766444f000-7664452000 rw-p 00000000 00:00 0                              [anon:bionic TLS]
7664452000-7664453000 ---p 00000000 00:00 0                              [anon:bionic TLS guard page]
7664453000-7664454000 r--p 00000000 00:00 0                              [vvar]
7664454000-7664455000 r-xp 00000000 00:00 0                              [vdso]
7664455000-7664459000 r--p 000ac000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
7664459000-766445c000 rw-p 000b0000 103:02 1590315                       /data/data/com.termux/files/usr/bin/bash
766445c000-7664465000 rw-p 00000000 00:00 0 
7fd1c6a000-7fd1c8b000 rw-p 00000000 00:00 0                              [stack]

@leo-b leo-b mentioned this issue Feb 22, 2019
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@ahd778
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ahd778 commented Aug 7, 2019

plz help me
i spent months to root termux but always i get this
tsu
CANNOT LINK EXECUTABLE DEPENDENCIES: library "libandroid-support.so" not found

imp.notes:
galaxy j3119
magisk 19.2.3
when i installed termux and update and upgrade for the first time , termux ask me to say yes or no for installing Bash 5.0.7-5 over 5.0.7.-1.. and i set yes. is that related?

another thing i didnt installed busybox but i installed busybox module of magisk only. is that related?

plz anyone help me ..
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@cswl cswl closed this as completed May 8, 2020
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