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execXp should go to next PATH dir on any error except ENOEXEC,
not just on ENOENT (in particular, on EPERM). At least glibc does so.
Fixing this.

Denis Vlasenko 18 жил өмнө
parent
commit
2ea436fb13
1 өөрчлөгдсөн 3 нэмэгдсэн , 3 устгасан
  1. 3 3
      libc/unistd/exec.c

+ 3 - 3
libc/unistd/exec.c

@@ -235,11 +235,11 @@ int execvp(const char *path, char *const argv[])
 
 	if (strchr(path, '/')) {
 		execve(path, argv, __environ);
-	CHECK_ENOEXEC:
 		if (errno == ENOEXEC) {
 			char **nargv;
 			EXEC_ALLOC_SIZE(size2) /* Do NOT add a semicolon! */
 			size_t n;
+	RUN_BIN_SH:
 			/* Need the dimension - 1.  We omit counting the trailing
 			 * NULL but we actually omit the first entry. */
 			for (n=0 ; argv[n] ; n++) {}
@@ -292,9 +292,9 @@ int execvp(const char *path, char *const argv[])
 
 				seen_small = 1;
 
-				if (errno != ENOENT) {
+				if (errno == ENOEXEC) {
 					path = s;
-					goto CHECK_ENOEXEC;
+					goto RUN_BIN_SH;
 				}
 
 			NEXT: