bug: unmount does not work

[laur89]

Bug description

Unmount operation claims app is unmounted, yet mountpoint is still present in /proc/mounts.

1. pre-unmount state, soundcloud is mount-installed:

$ adb shell su -c "grep soundcloud /proc/mounts"
/dev/block/dm-44 /data/app/~~f7qZNop8S0IwBTRteV7Wdw==/com.soundcloud.android-NQYsI6SVP_Ey6JDJJvGHZg==/base.apk f2fs rw,lazytime,seclabel,nosuid,nodev,noatime,background_gc=on,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,mode=adaptive,active_logs=6,reserve_root=32768,resuid=0,resgid=1065,inlinecrypt,alloc_mode=default,checkpoint_merge,fsync_mode=nobarrier,memory=normal 0 0
/dev/block/dm-44 /data/incremental/MT_data_app_vmdl183/mount/st_13_1/com.soundcloud.android-NQYsI6SVP_Ey6JDJJvGHZg==/base.apk f2fs rw,lazytime,seclabel,nosuid,nodev,noatime,background_gc=on,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,mode=adaptive,active_logs=6,reserve_root=32768,resuid=0,resgid=1065,inlinecrypt,alloc_mode=default,checkpoint_merge,fsync_mode=nobarrier,memory=normal 0 0

2. unmount operation:

$ java -jar ./revanced.jar  utility uninstall --package-name com.soundcloud.android --unmount
WARNING: No device serial supplied. Using device with serial a7b1a22a 
INFO: Uninstalling com.soundcloud.android by unmounting 
INFO: Uninstalled the patched APK file 

3. verify whether the operation succeeded, we're expecting no matches:

$ adb shell su -c "grep soundcloud /proc/mounts"
/dev/block/dm-44 /data/app/~~f7qZNop8S0IwBTRteV7Wdw==/com.soundcloud.android-NQYsI6SVP_Ey6JDJJvGHZg==/base.apk f2fs rw,lazytime,seclabel,nosuid,nodev,noatime,background_gc=on,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,mode=adaptive,active_logs=6,reserve_root=32768,resuid=0,resgid=1065,inlinecrypt,alloc_mode=default,checkpoint_merge,fsync_mode=nobarrier,memory=normal 0 0
/dev/block/dm-44 /data/incremental/MT_data_app_vmdl183/mount/st_13_1/com.soundcloud.android-NQYsI6SVP_Ey6JDJJvGHZg==/base.apk f2fs rw,lazytime,seclabel,nosuid,nodev,noatime,background_gc=on,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,mode=adaptive,active_logs=6,reserve_root=32768,resuid=0,resgid=1065,inlinecrypt,alloc_mode=default,checkpoint_merge,fsync_mode=nobarrier,memory=normal 0 0

Yet mountpoints are still there?

---

$ java -jar ./revanced.jar --version
ReVanced CLI v5.0.1

Acknowledgements

• I have checked all open and closed bug reports and this is not a duplicate.
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[oSumAtrIX]

Thats odd. The unmount command should be ran correctly, but the issue implies its not.

[laur89]

Could this be caused by the fact I'm mounting apk-s that have been created by merging split apks pulled from playstore-installed instances?