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Fix some regressions with execution

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This commit is contained in:
Justine Tunney 2022-08-07 22:10:18 -07:00
parent 5546559034
commit b77cae2d57
28 changed files with 58 additions and 30 deletions
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9
libc/calls/ioctl_tcsets.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/weaken.h"
#include "libc/calls/internal.h"
#include "libc/calls/ioctl.h"
#include "libc/calls/strace.internal.h"
@ -28,6 +29,7 @@
#include "libc/sysv/consts/termios.h"
#include "libc/sysv/errfuns.h"
void __on_ioctl_tcsets(void);
int ioctl_tcsets_nt(int, uint64_t, const struct termios *);
static int ioctl_tcsets_metal(int fd, uint64_t request,
@ -65,10 +67,17 @@ static int ioctl_tcsets_sysv(int fd, uint64_t request,
int ioctl_tcsets(int fd, uint64_t request, ...) {
int rc;
va_list va;
static bool once;
const struct termios *tio;
va_start(va, request);
tio = va_arg(va, const struct termios *);
va_end(va);
if (weaken(__on_ioctl_tcsets)) {
if (!once) {
weaken(__on_ioctl_tcsets)();
once = true;
}
}
if (!tio || (IsAsan() && !__asan_is_valid(tio, sizeof(*tio)))) {
rc = efault();
} else if (fd >= 0) {