85f255b8e6
Addresses the following denial when debuggerd attempts to stat Webview mmap'd
shared relro files on process crash. Full read permissions may not be necessary:
W/debuggerd( 185): type=1400 audit(0.0:97): avc: denied { search } for name="shared_relro" dev="mmcblk0p28" ino=618955 scontext=u:r:debuggerd:s0 tcontext=u:object_r:shared_relro_file:s0 tclass=dir
Bug: 17101854
Change-Id: I11eea85668ba033c554e5aab99b70a454fb75164
38 lines
1.4 KiB
Text
38 lines
1.4 KiB
Text
# debugger interface
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type debuggerd, domain;
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type debuggerd_exec, exec_type, file_type;
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init_daemon_domain(debuggerd)
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typeattribute debuggerd mlstrustedsubject;
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allow debuggerd self:capability { dac_override sys_ptrace chown kill fowner };
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allow debuggerd self:capability2 { syslog };
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allow debuggerd domain:dir r_dir_perms;
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allow debuggerd domain:file r_file_perms;
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allow debuggerd domain:lnk_file read;
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allow debuggerd { domain -init -ueventd -watchdogd -healthd -adbd -keystore }:process { ptrace getattr };
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security_access_policy(debuggerd)
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allow debuggerd system_data_file:dir create_dir_perms;
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allow debuggerd system_data_file:dir relabelfrom;
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allow debuggerd tombstone_data_file:dir relabelto;
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allow debuggerd tombstone_data_file:dir create_dir_perms;
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allow debuggerd tombstone_data_file:file create_file_perms;
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allow debuggerd shared_relro_file:dir r_dir_perms;
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allow debuggerd shared_relro_file:file r_file_perms;
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allow debuggerd domain:process { sigstop signal };
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allow debuggerd exec_type:file r_file_perms;
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# Access app library
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allow debuggerd system_data_file:file open;
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# Connect to system_server via /data/system/ndebugsocket.
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unix_socket_connect(debuggerd, system_ndebug, system_server)
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userdebug_or_eng(`
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allow debuggerd input_device:dir r_dir_perms;
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allow debuggerd input_device:chr_file rw_file_perms;
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')
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# logd access
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read_logd(debuggerd)
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# Check SELinux permissions.
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selinux_check_access(debuggerd)
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