apoos-maximus created this revision.
apoos-maximus requested review of this revision.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.
lldb attach operation fails when the ptrace() call fails on a traced
process. The error reporting in this scenario could be improved by
including what went wrong and what could be done by the user to resolve
the situation.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D106226
Files:
lldb/source/Commands/CommandObjectProcess.cpp
Index: lldb/source/Commands/CommandObjectProcess.cpp
===================================================================
--- lldb/source/Commands/CommandObjectProcess.cpp
+++ lldb/source/Commands/CommandObjectProcess.cpp
@@ -409,6 +409,9 @@
}
} else {
result.AppendErrorWithFormat("attach failed: %s\n", error.AsCString());
+ result.AppendMessage("Could not attach to process. If your uid matches
the uid of the target process, \n"
+ "check the setting of
/proc/sys/kernel/yama/ptrace_scope, \n"
+ "or try again as the root user. \n");
}
if (!result.Succeeded())
Index: lldb/source/Commands/CommandObjectProcess.cpp
===================================================================
--- lldb/source/Commands/CommandObjectProcess.cpp
+++ lldb/source/Commands/CommandObjectProcess.cpp
@@ -409,6 +409,9 @@
}
} else {
result.AppendErrorWithFormat("attach failed: %s\n", error.AsCString());
+ result.AppendMessage("Could not attach to process. If your uid matches the uid of the target process, \n"
+ "check the setting of /proc/sys/kernel/yama/ptrace_scope, \n"
+ "or try again as the root user. \n");
}
if (!result.Succeeded())
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