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Only chdir to / if the cwd is not executable or does not exist. Fixes #8636

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Kovid Goyal 2025-05-14 08:58:57 +05:30
parent 123a115836
commit 51adca08f2
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1 changed files with 5 additions and 1 deletions
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kitty/child.c
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@ -106,7 +106,11 @@ spawn(PyObject *self UNUSED, PyObject *args) {
sigset_t signals; sigemptyset(&signals);
if (sigprocmask(SIG_SETMASK, &signals, NULL) != 0) exit_on_err("sigprocmask() in child process failed");
// Use only signal-safe functions (man 7 signal-safety)
if (chdir(cwd) != 0) { if (chdir("/") != 0) {} }; // ignore failure to chdir to /
if (chdir(cwd) != 0) {
if (access(".", X_OK) != 0) { // existing cwd does not exist or dont have permissions for it
if (chdir("/") != 0) {} // ignore failure to chdir to /
}
};
if (setsid() == -1) exit_on_err("setsid() in child process failed");
// Establish the controlling terminal (see man 7 credentials)