Comments (6)
chame1eon
commented on August 17, 2024
Good spot, this was a bug with the latest version of jnitrace. Thank you very much for reporting.
I have pushed a new version (3.2.1), please let me know if updating does not work. You can also try rolling back to 3.1.0 as that version should work too.
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maceip
commented on August 17, 2024
I upgraded to 3.2.1 (on mac osx big sur 11.0.1 x86) and it's still not writing to output file.
Also i'm unable to get the tracer to do much other than what looks like trace everything.
i'm looking only for traces in libttboringssl.so, but check the output below. for context libkeva.so is what looks like an obfuscator lib/anti-trace/anti-debug lib.
$jnitrace -l 'libttboringssl.so' com.zhiliaoapp.musically -R 192.168.86.65:6666
Tracing. Press any key to quit...
/* TID 19007 */
1019 ms [+] JavaVM->GetEnv
1019 ms |- JavaVM* : 0x78258a8200
1019 ms |- void** : 0x7fee618be0
1019 ms |: 0x78258cb1c0
1019 ms |- jint : 65542
1019 ms |= jint : 0
1019 ms ----------------------------Backtrace----------------------------
1019 ms |-> 0x78075cfd18: JNI_OnLoad+0x44 (libkeva.so:0x78075c2000)
1019 ms |-> 0x78075cfd18: JNI_OnLoad+0x44 (libkeva.so:0x78075c2000)
/* TID 19007 */
1333 ms [+] JNIEnv->FindClass
1333 ms |- JNIEnv* : 0x78258cb1c0
1333 ms |- char* : 0x78075e0e24
1333 ms |: com/bytedance/keva/KevaImpl
1333 ms |= jclass : 0x81 { com/bytedance/keva/KevaImpl }
1333 ms ----------------------------Backtrace----------------------------
1333 ms |-> 0x78075cfd3c: JNI_OnLoad+0x68 (libkeva.so:0x78075c2000)
1333 ms |-> 0x78075cfd3c: JNI_OnLoad+0x68 (libkeva.so:0x78075c2000)
/* TID 19007 */
1340 ms [+] JNIEnv->GetMethodID
1340 ms |- JNIEnv* : 0x78258cb1c0
1340 ms |- jclass : 0x81 { com/bytedance/keva/KevaImpl }
1340 ms |- char* : 0x78075e0e40
1340 ms |: addMapIntWhenLoading
1340 ms |- char* : 0x78075e0e55
1340 ms |: (Ljava/lang/String;IJ)V
1340 ms |= jmethodID : 0x9bbc2778 { addMapIntWhenLoading(Ljava/lang/String;IJ)V }
1340 ms ----------------------------Backtrace----------------------------
1340 ms |-> 0x78075cfd68: JNI_OnLoad+0x94 (libkeva.so:0x78075c2000)
1340 ms |-> 0x78075cfd68: JNI_OnLoad+0x94 (libkeva.so:0x78075c2000)
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maceip
commented on August 17, 2024
ah scratch that, i was tailing the log file, which was empty. However, jnitrace does write to it when it exits. So the log output thing is fixed.
Tracing specified native libs is still not working for me.
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chame1eon
commented on August 17, 2024
Glad that solved the problem. I'll take a look and see if I can work out why the lib in your command args is not being traced.
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maceip
commented on August 17, 2024
It is tracing it (I think), but the problem is that it's also tracing
everything else
…On Sun, Feb 28, 2021, 4:02 PM chame1eon ***@***.***> wrote:
Glad that solved the problem. I'll take a look and see if I can work out
why the lib in your command args is not being traced.
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maceip
commented on August 17, 2024
gonna close this and open a new issue
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