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Commit c21e52b8 authored by Jiyong Park's avatar Jiyong Park
Browse files

Don't bind-mount bionic files 

Bind-mounting of the bionic files on /bionic/* paths no longer required
as there are direct symlinks from bionic files in /system partition to
the corresponding bionic files in the runtime APEX. e.g.,

/system/lib/libc.so -> /apex/com.android.runtime/lib/bionic/libc.so

Bug: 125549215
Bug: 127499775
Test: m; devices boots
Change-Id: I499df3a629e01680c1e1c8f0f4062efaec2ab277
parent 0428b8e5

apex/ld.config.txt

+7 −6
Original line number Diff line number Diff line
@@ -61,14 +61,15 @@ namespace.platform.isolated = true 
namespace.platform.search.paths = /system/${LIB}

namespace.platform.asan.search.paths = /data/asan/system/${LIB}



# /system/lib/libc.so, etc are symlinks to /bionic/lib/libc.so, etc.

# Add /bionic/lib to the permitted paths because linker uses realpath(3)

# /system/lib/libc.so, etc are symlinks to

/apex/com.android.lib/lib/bionic/libc.so, etc.

# Add /apex/... pat to the permitted paths because linker uses realpath(3)

# to check the accessibility of the lib. We could add this to search.paths

# instead but that makes the resolution of bionic libs be dependent on

# the order of /system/lib and /bionic/lib in search.paths. If /bionic/lib

# is after /system/lib, then /bionic/lib is never tried because libc.so

# the order of /system/lib and /apex/... in search.paths. If /apex/...

# is after /system/lib, then /apex/... is never tried because libc.so

# is always found in /system/lib but fails to pass the accessibility test

# because of its realpath.  It's better to not depend on the ordering if

# possible.

namespace.platform.permitted.paths = /bionic/${LIB}

namespace.platform.asan.permitted.paths = /bionic/${LIB}
 
namespace.platform.permitted.paths = /apex/com.android.runtime/${LIB}/bionic

namespace.platform.asan.permitted.paths = /apex/com.android.runtime/${LIB}/bionic