437d1c0534
Fixes type=1400 audit(0.0:3901): avc: denied { open } for comm="crash_dump32" path="/data/app/com.chrome.canary-H8gGiCrQUqTZha2IybgrlA==/base.apk" dev="sda35" ino=1384523 scontext=u:r:crash_dump:s0:c522,c768 tcontext=u:object_r:apk_data_file:s0 tclass=file permissive=1
Bug: http://b/34978531
Change-Id: I0374145f71059c3f104055bf4e8dcf08b1101f2a
54 lines
1.5 KiB
Text
54 lines
1.5 KiB
Text
type crash_dump, domain;
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type crash_dump_exec, exec_type, file_type;
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allow crash_dump {
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domain
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-init
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-crash_dump
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-keystore
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-logd
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}:process { ptrace signal sigchld sigstop sigkill };
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# crash_dump might inherit CAP_SYS_PTRACE from a privileged process,
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# which will result in an audit log even when it's allowed to trace.
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dontaudit crash_dump self:capability { sys_ptrace };
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userdebug_or_eng(`
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allow crash_dump logd:process { ptrace signal sigchld sigstop sigkill };
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')
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# Use inherited file descriptors
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allow crash_dump domain:fd use;
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allow crash_dump domain:fifo_file write;
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r_dir_file(crash_dump, domain)
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allow crash_dump exec_type:file r_file_perms;
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# Read /data/dalvik-cache.
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allow crash_dump dalvikcache_data_file:dir { search getattr };
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allow crash_dump dalvikcache_data_file:file r_file_perms;
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# Read APK files.
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r_dir_file(crash_dump, apk_data_file);
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# Talk to tombstoned
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unix_socket_connect(crash_dump, tombstoned_crash, tombstoned)
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# Talk to ActivityManager.
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unix_socket_connect(crash_dump, system_ndebug, system_server)
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# Append to ANR files.
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allow crash_dump anr_data_file:file { append getattr };
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# Append to tombstone files.
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allow crash_dump tombstone_data_file:file { append getattr };
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read_logd(crash_dump)
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###
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### neverallow assertions
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###
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# A domain transition must occur for crash_dump to get the privileges needed to trace the process.
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# Do not allow the execution of crash_dump without a domain transition.
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neverallow domain crash_dump_exec:file execute_no_trans;
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