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Need to exclude the "shared" libc.so mapping #1124

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merged 1 commit into from
Nov 13, 2024
Merged

Need to exclude the "shared" libc.so mapping #1124

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21 changes: 16 additions & 5 deletions src/linux/frida-helper-backend.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -3333,8 +3333,13 @@ namespace Frida {
var iter = MapsIter.for_pid (pid);
while (iter.next ()) {
string candidate_path = iter.path;
if (candidate_path == path)
if (candidate_path == path) {
#if ANDROID
if (candidate_path == Gum.Process.query_libc_name () && iter.flags[3] == 's')
continue;
#endif
return new ProcMapsEntry (iter.start_address, candidate_path, iter.identity);
}
}

return null;
Expand All @@ -3357,18 +3362,24 @@ namespace Frida {
}
}

public string identity {
public string flags {
owned get {
return info.fetch (3);
}
}

public string path {
public string identity {
owned get {
return info.fetch (4);
}
}

public string path {
owned get {
return info.fetch (5);
}
}

public static MapsIter for_pid (uint pid) {
return new MapsIter (pid);
}
Expand All @@ -3380,8 +3391,8 @@ namespace Frida {
return;
}

if (!/^([0-9a-f]+)-([0-9a-f]+) \S{4} [0-9a-f]+ ([0-9a-f]{2,}:[0-9a-f]{2,} \d+) +([^\n]+)$/m.match (contents,
0, out info)) {
if (!/^([0-9a-f]+)-([0-9a-f]+) (\S{4}) [0-9a-f]+ ([0-9a-f]{2,}:[0-9a-f]{2,} \d+) +([^\n]+)$/m.match (
contents, 0, out info)) {
assert_not_reached ();
}
}
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