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linux: Fix stack-related sub-process shutdown crashes (fixes #3912)

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On Linux systems the stack frame reference canary will be purposely
changed when forking sub-processes (see https://crbug.com/40181003).
To avoid sub-process shutdown crashes the NO_STACK_PROTECTOR
annotation must be added to all functions in the call stack leading to
CefExecuteProcess(). Applications that cannot add this annotation must
instead pass the `--change-stack-guard-on-fork=disable` command-line
flag.
This commit is contained in:
Marshall Greenblatt
2025-03-31 14:03:57 -04:00
parent b2f5ab6cd2
commit 5b18ca7d3f
10 changed files with 41 additions and 6 deletions
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2
include/cef_app.h
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@ -59,7 +59,7 @@ class CefApp;
/// |windows_sandbox_info| parameter is only used on Windows and may be NULL
/// (see cef_sandbox_win.h for details).
///
/*--cef(api_hash_check,optional_param=application,
/*--cef(api_hash_check,no_stack_protector,optional_param=application,
optional_param=windows_sandbox_info)--*/
int CefExecuteProcess(const CefMainArgs& args,
CefRefPtr<CefApp> application,