From 6898b627aab6ba553e6d8b40a0b1ddc43c48d42f Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Sun, 21 Dec 2014 11:58:16 +0100 Subject: selftests/exec: Use %zu to format size_t On 32-bit: execveat.c: In function 'check_execveat_pathmax': execveat.c:183: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'size_t' execveat.c:187: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'size_t' Signed-off-by: Geert Uytterhoeven Signed-off-by: Shuah Khan --- tools/testing/selftests/exec/execveat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools/testing/selftests/exec/execveat.c') diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c index 33a5c06d95ca..d273624c93a6 100644 --- a/tools/testing/selftests/exec/execveat.c +++ b/tools/testing/selftests/exec/execveat.c @@ -179,11 +179,11 @@ static int check_execveat_pathmax(int dot_dfd, const char *src, int is_script) */ fd = open(longpath, O_RDONLY); if (fd > 0) { - printf("Invoke copy of '%s' via filename of length %lu:\n", + printf("Invoke copy of '%s' via filename of length %zu:\n", src, strlen(longpath)); fail += check_execveat(fd, "", AT_EMPTY_PATH); } else { - printf("Failed to open length %lu filename, errno=%d (%s)\n", + printf("Failed to open length %zu filename, errno=%d (%s)\n", strlen(longpath), errno, strerror(errno)); fail++; } -- cgit v1.2.3 From cd805f367633f6540aa287751c270973b7e4cdc9 Mon Sep 17 00:00:00 2001 From: David Drysdale Date: Tue, 6 Jan 2015 08:23:56 +0000 Subject: selftests/exec: allow shell return code of 126 When the shell fails to invoke a script because its path name is too long (ENAMETOOLONG), most shells return 127 to indicate command not found. However, some systems report 126 (which POSIX suggests should indicate a non-executable file) for this case, so allow that too. Reported-by: Geert Uytterhoeven Signed-off-by: David Drysdale Tested-by: Geert Uytterhoeven Signed-off-by: Shuah Khan --- tools/testing/selftests/exec/execveat.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'tools/testing/selftests/exec/execveat.c') diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c index d273624c93a6..e238c9559caf 100644 --- a/tools/testing/selftests/exec/execveat.c +++ b/tools/testing/selftests/exec/execveat.c @@ -62,7 +62,7 @@ static int _check_execveat_fail(int fd, const char *path, int flags, } static int check_execveat_invoked_rc(int fd, const char *path, int flags, - int expected_rc) + int expected_rc, int expected_rc2) { int status; int rc; @@ -98,9 +98,10 @@ static int check_execveat_invoked_rc(int fd, const char *path, int flags, child, status); return 1; } - if (WEXITSTATUS(status) != expected_rc) { - printf("[FAIL] (child %d exited with %d not %d)\n", - child, WEXITSTATUS(status), expected_rc); + if ((WEXITSTATUS(status) != expected_rc) && + (WEXITSTATUS(status) != expected_rc2)) { + printf("[FAIL] (child %d exited with %d not %d nor %d)\n", + child, WEXITSTATUS(status), expected_rc, expected_rc2); return 1; } printf("[OK]\n"); @@ -109,7 +110,7 @@ static int check_execveat_invoked_rc(int fd, const char *path, int flags, static int check_execveat(int fd, const char *path, int flags) { - return check_execveat_invoked_rc(fd, path, flags, 99); + return check_execveat_invoked_rc(fd, path, flags, 99, 99); } static char *concat(const char *left, const char *right) @@ -192,9 +193,15 @@ static int check_execveat_pathmax(int dot_dfd, const char *src, int is_script) * Execute as a long pathname relative to ".". If this is a script, * the interpreter will launch but fail to open the script because its * name ("/dev/fd/5/xxx....") is bigger than PATH_MAX. + * + * The failure code is usually 127 (POSIX: "If a command is not found, + * the exit status shall be 127."), but some systems give 126 (POSIX: + * "If the command name is found, but it is not an executable utility, + * the exit status shall be 126."), so allow either. */ if (is_script) - fail += check_execveat_invoked_rc(dot_dfd, longpath, 0, 127); + fail += check_execveat_invoked_rc(dot_dfd, longpath, 0, + 127, 126); else fail += check_execveat(dot_dfd, longpath, 0); -- cgit v1.2.3