If path is /proc/self/exe, use the executable path
provided by exec_path.
Don't use execfd as it is closed by loader_exec() and otherwise
will survive to the exec() syscall and be usable child process.
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
Message-Id: <20220927124357.688536-2-laur...@vivier.eu>
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
linux-user/syscall.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ad06ec7bd54c..a7a29091c91e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8860,7 +8860,11 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int
num, abi_long arg1,
* before the execve completes and makes it the other
* program's problem.
*/
- ret = get_errno(safe_execve(p, argp, envp));
+ if (is_proc_myself(p, "exe")) {
+ ret = get_errno(safe_execve(exec_path, argp, envp));
+ } else {
+ ret = get_errno(safe_execve(p, argp, envp));
+ }
unlock_user(p, arg1, 0);
goto execve_end;
--
2.37.3
