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commit 536910724d30a38eeecd14cdbe2c93c78ea67646
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Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Date: Wed Oct 20 18:13:05 2021 +0530
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08c3a6 |
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debug: Add tests for _FORTIFY_SOURCE=3
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08c3a6 |
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Add some testing coverage for _FORTIFY_SOURCE=3.
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Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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(cherry picked from commit ad6f2a010c2ce759936de4747f6e0d53991912f8)
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diff --git a/debug/Makefile b/debug/Makefile
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index 6893111cbfaa0900..357f888246061e15 100644
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--- a/debug/Makefile
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+++ b/debug/Makefile
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@@ -120,6 +120,8 @@ CFLAGS-tst-chk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk4.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk5.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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+CFLAGS-tst-chk7.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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+CFLAGS-tst-chk8.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk1.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk2.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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@@ -129,6 +131,7 @@ CFLAGS-tst-lfschk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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LDLIBS-tst-chk4 = -lstdc++
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LDLIBS-tst-chk5 = -lstdc++
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LDLIBS-tst-chk6 = -lstdc++
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+LDLIBS-tst-chk8 = -lstdc++
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LDLIBS-tst-lfschk4 = -lstdc++
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LDLIBS-tst-lfschk5 = -lstdc++
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LDLIBS-tst-lfschk6 = -lstdc++
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@@ -150,16 +153,16 @@ CFLAGS-tst-ssp-1.c += -fstack-protector-all
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tests = backtrace-tst tst-longjmp_chk tst-chk1 tst-chk2 tst-chk3 \
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tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk \
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- tst-chk4 tst-chk5 tst-chk6 tst-lfschk4 tst-lfschk5 tst-lfschk6 \
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- tst-longjmp_chk2 tst-backtrace2 tst-backtrace3 tst-backtrace4 \
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- tst-backtrace5 tst-backtrace6
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+ tst-chk4 tst-chk5 tst-chk6 tst-chk7 tst-chk8 tst-lfschk4 tst-lfschk5 \
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+ tst-lfschk6 tst-longjmp_chk2 tst-backtrace2 tst-backtrace3 \
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+ tst-backtrace4 tst-backtrace5 tst-backtrace6
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ifeq ($(have-ssp),yes)
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tests += tst-ssp-1
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endif
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ifeq (,$(CXX))
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-tests-unsupported = tst-chk4 tst-chk5 tst-chk6 \
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+tests-unsupported = tst-chk4 tst-chk5 tst-chk6 tst-chk8 \
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tst-lfschk4 tst-lfschk5 tst-lfschk6
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endif
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@@ -193,6 +196,8 @@ $(objpfx)tst-chk3.out: $(gen-locales)
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$(objpfx)tst-chk4.out: $(gen-locales)
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$(objpfx)tst-chk5.out: $(gen-locales)
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$(objpfx)tst-chk6.out: $(gen-locales)
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+$(objpfx)tst-chk7.out: $(gen-locales)
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+$(objpfx)tst-chk8.out: $(gen-locales)
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$(objpfx)tst-lfschk1.out: $(gen-locales)
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$(objpfx)tst-lfschk2.out: $(gen-locales)
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$(objpfx)tst-lfschk3.out: $(gen-locales)
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diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c
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index 6c1d32cc62c3a964..68ac00d1808382b8 100644
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--- a/debug/tst-chk1.c
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+++ b/debug/tst-chk1.c
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@@ -83,8 +83,14 @@ handler (int sig)
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_exit (127);
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}
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+#if __USE_FORTIFY_LEVEL == 3
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+volatile size_t buf_size = 10;
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+#else
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char buf[10];
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wchar_t wbuf[10];
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+#define buf_size sizeof (buf)
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+#endif
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+
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volatile size_t l0;
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volatile char *p;
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volatile wchar_t *wp;
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@@ -123,6 +129,10 @@ int num2 = 987654;
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static int
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do_test (void)
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{
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+#if __USE_FORTIFY_LEVEL == 3
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+ char *buf = (char *) malloc (buf_size);
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+ wchar_t *wbuf = (wchar_t *) malloc (buf_size * sizeof (wchar_t));
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+#endif
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set_fortify_handler (handler);
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struct A { char buf1[9]; char buf2[1]; } a;
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@@ -947,93 +957,93 @@ do_test (void)
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rewind (stdin);
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- if (fgets (buf, sizeof (buf), stdin) != buf
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+ if (fgets (buf, buf_size, stdin) != buf
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|| memcmp (buf, "abcdefgh\n", 10))
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FAIL ();
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- if (fgets (buf, sizeof (buf), stdin) != buf || memcmp (buf, "ABCDEFGHI", 10))
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+ if (fgets (buf, buf_size, stdin) != buf || memcmp (buf, "ABCDEFGHI", 10))
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FAIL ();
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rewind (stdin);
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- if (fgets (buf, l0 + sizeof (buf), stdin) != buf
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+ if (fgets (buf, l0 + buf_size, stdin) != buf
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|| memcmp (buf, "abcdefgh\n", 10))
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FAIL ();
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#if __USE_FORTIFY_LEVEL >= 1
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CHK_FAIL_START
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- if (fgets (buf, sizeof (buf) + 1, stdin) != buf)
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+ if (fgets (buf, buf_size + 1, stdin) != buf)
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FAIL ();
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CHK_FAIL_END
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CHK_FAIL_START
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- if (fgets (buf, l0 + sizeof (buf) + 1, stdin) != buf)
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+ if (fgets (buf, l0 + buf_size + 1, stdin) != buf)
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FAIL ();
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CHK_FAIL_END
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#endif
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rewind (stdin);
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- if (fgets_unlocked (buf, sizeof (buf), stdin) != buf
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+ if (fgets_unlocked (buf, buf_size, stdin) != buf
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|| memcmp (buf, "abcdefgh\n", 10))
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FAIL ();
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- if (fgets_unlocked (buf, sizeof (buf), stdin) != buf
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+ if (fgets_unlocked (buf, buf_size, stdin) != buf
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|| memcmp (buf, "ABCDEFGHI", 10))
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FAIL ();
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rewind (stdin);
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- if (fgets_unlocked (buf, l0 + sizeof (buf), stdin) != buf
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+ if (fgets_unlocked (buf, l0 + buf_size, stdin) != buf
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|| memcmp (buf, "abcdefgh\n", 10))
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FAIL ();
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#if __USE_FORTIFY_LEVEL >= 1
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CHK_FAIL_START
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- if (fgets_unlocked (buf, sizeof (buf) + 1, stdin) != buf)
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+ if (fgets_unlocked (buf, buf_size + 1, stdin) != buf)
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FAIL ();
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CHK_FAIL_END
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CHK_FAIL_START
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- if (fgets_unlocked (buf, l0 + sizeof (buf) + 1, stdin) != buf)
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+ if (fgets_unlocked (buf, l0 + buf_size + 1, stdin) != buf)
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FAIL ();
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CHK_FAIL_END
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#endif
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rewind (stdin);
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- if (fread (buf, 1, sizeof (buf), stdin) != sizeof (buf)
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+ if (fread (buf, 1, buf_size, stdin) != buf_size
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|| memcmp (buf, "abcdefgh\nA", 10))
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FAIL ();
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- if (fread (buf, sizeof (buf), 1, stdin) != 1
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+ if (fread (buf, buf_size, 1, stdin) != 1
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|| memcmp (buf, "BCDEFGHI\na", 10))
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FAIL ();
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rewind (stdin);
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- if (fread (buf, l0 + 1, sizeof (buf), stdin) != sizeof (buf)
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+ if (fread (buf, l0 + 1, buf_size, stdin) != buf_size
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|| memcmp (buf, "abcdefgh\nA", 10))
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FAIL ();
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- if (fread (buf, sizeof (buf), l0 + 1, stdin) != 1
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+ if (fread (buf, buf_size, l0 + 1, stdin) != 1
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|| memcmp (buf, "BCDEFGHI\na", 10))
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FAIL ();
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#if __USE_FORTIFY_LEVEL >= 1
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CHK_FAIL_START
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- if (fread (buf, 1, sizeof (buf) + 1, stdin) != sizeof (buf) + 1)
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+ if (fread (buf, 1, buf_size + 1, stdin) != buf_size + 1)
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FAIL ();
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CHK_FAIL_END
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CHK_FAIL_START
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- if (fread (buf, sizeof (buf) + 1, l0 + 1, stdin) != 1)
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+ if (fread (buf, buf_size + 1, l0 + 1, stdin) != 1)
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FAIL ();
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CHK_FAIL_END
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#endif
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rewind (stdin);
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- if (fread_unlocked (buf, 1, sizeof (buf), stdin) != sizeof (buf)
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+ if (fread_unlocked (buf, 1, buf_size, stdin) != buf_size
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|| memcmp (buf, "abcdefgh\nA", 10))
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FAIL ();
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- if (fread_unlocked (buf, sizeof (buf), 1, stdin) != 1
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+ if (fread_unlocked (buf, buf_size, 1, stdin) != 1
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|| memcmp (buf, "BCDEFGHI\na", 10))
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FAIL ();
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08c3a6 |
@@ -1048,100 +1058,100 @@ do_test (void)
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rewind (stdin);
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- if (fread_unlocked (buf, l0 + 1, sizeof (buf), stdin) != sizeof (buf)
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+ if (fread_unlocked (buf, l0 + 1, buf_size, stdin) != buf_size
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|| memcmp (buf, "abcdefgh\nA", 10))
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FAIL ();
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- if (fread_unlocked (buf, sizeof (buf), l0 + 1, stdin) != 1
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+ if (fread_unlocked (buf, buf_size, l0 + 1, stdin) != 1
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|| memcmp (buf, "BCDEFGHI\na", 10))
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FAIL ();
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#if __USE_FORTIFY_LEVEL >= 1
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CHK_FAIL_START
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08c3a6 |
- if (fread_unlocked (buf, 1, sizeof (buf) + 1, stdin) != sizeof (buf) + 1)
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+ if (fread_unlocked (buf, 1, buf_size + 1, stdin) != buf_size + 1)
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FAIL ();
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08c3a6 |
CHK_FAIL_END
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08c3a6 |
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08c3a6 |
CHK_FAIL_START
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08c3a6 |
- if (fread_unlocked (buf, sizeof (buf) + 1, l0 + 1, stdin) != 1)
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+ if (fread_unlocked (buf, buf_size + 1, l0 + 1, stdin) != 1)
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FAIL ();
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08c3a6 |
CHK_FAIL_END
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08c3a6 |
#endif
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08c3a6 |
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08c3a6 |
lseek (fileno (stdin), 0, SEEK_SET);
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08c3a6 |
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08c3a6 |
- if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1
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08c3a6 |
+ if (read (fileno (stdin), buf, buf_size - 1) != buf_size - 1
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|| memcmp (buf, "abcdefgh\n", 9))
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FAIL ();
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08c3a6 |
- if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1
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08c3a6 |
+ if (read (fileno (stdin), buf, buf_size - 1) != buf_size - 1
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|| memcmp (buf, "ABCDEFGHI", 9))
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08c3a6 |
FAIL ();
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08c3a6 |
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08c3a6 |
lseek (fileno (stdin), 0, SEEK_SET);
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08c3a6 |
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08c3a6 |
- if (read (fileno (stdin), buf, l0 + sizeof (buf) - 1) != sizeof (buf) - 1
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08c3a6 |
+ if (read (fileno (stdin), buf, l0 + buf_size - 1) != buf_size - 1
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08c3a6 |
|| memcmp (buf, "abcdefgh\n", 9))
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08c3a6 |
FAIL ();
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08c3a6 |
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08c3a6 |
#if __USE_FORTIFY_LEVEL >= 1
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08c3a6 |
CHK_FAIL_START
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08c3a6 |
- if (read (fileno (stdin), buf, sizeof (buf) + 1) != sizeof (buf) + 1)
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08c3a6 |
+ if (read (fileno (stdin), buf, buf_size + 1) != buf_size + 1)
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08c3a6 |
FAIL ();
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08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
|
|
|
08c3a6 |
CHK_FAIL_START
|
|
|
08c3a6 |
- if (read (fileno (stdin), buf, l0 + sizeof (buf) + 1) != sizeof (buf) + 1)
|
|
|
08c3a6 |
+ if (read (fileno (stdin), buf, l0 + buf_size + 1) != buf_size + 1)
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
#endif
|
|
|
08c3a6 |
|
|
|
08c3a6 |
- if (pread (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2)
|
|
|
08c3a6 |
- != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread (fileno (stdin), buf, buf_size - 1, buf_size - 2)
|
|
|
08c3a6 |
+ != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "\nABCDEFGH", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
- if (pread (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread (fileno (stdin), buf, buf_size - 1, 0) != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "abcdefgh\n", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
- if (pread (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3)
|
|
|
08c3a6 |
- != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread (fileno (stdin), buf, l0 + buf_size - 1, buf_size - 3)
|
|
|
08c3a6 |
+ != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "h\nABCDEFG", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
|
|
|
08c3a6 |
#if __USE_FORTIFY_LEVEL >= 1
|
|
|
08c3a6 |
CHK_FAIL_START
|
|
|
08c3a6 |
- if (pread (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf))
|
|
|
08c3a6 |
- != sizeof (buf) + 1)
|
|
|
08c3a6 |
+ if (pread (fileno (stdin), buf, buf_size + 1, 2 * buf_size)
|
|
|
08c3a6 |
+ != buf_size + 1)
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
|
|
|
08c3a6 |
CHK_FAIL_START
|
|
|
08c3a6 |
- if (pread (fileno (stdin), buf, l0 + sizeof (buf) + 1, 2 * sizeof (buf))
|
|
|
08c3a6 |
- != sizeof (buf) + 1)
|
|
|
08c3a6 |
+ if (pread (fileno (stdin), buf, l0 + buf_size + 1, 2 * buf_size)
|
|
|
08c3a6 |
+ != buf_size + 1)
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
#endif
|
|
|
08c3a6 |
|
|
|
08c3a6 |
- if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2)
|
|
|
08c3a6 |
- != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread64 (fileno (stdin), buf, buf_size - 1, buf_size - 2)
|
|
|
08c3a6 |
+ != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "\nABCDEFGH", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
- if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread64 (fileno (stdin), buf, buf_size - 1, 0) != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "abcdefgh\n", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
- if (pread64 (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3)
|
|
|
08c3a6 |
- != sizeof (buf) - 1
|
|
|
08c3a6 |
+ if (pread64 (fileno (stdin), buf, l0 + buf_size - 1, buf_size - 3)
|
|
|
08c3a6 |
+ != buf_size - 1
|
|
|
08c3a6 |
|| memcmp (buf, "h\nABCDEFG", 9))
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
|
|
|
08c3a6 |
#if __USE_FORTIFY_LEVEL >= 1
|
|
|
08c3a6 |
CHK_FAIL_START
|
|
|
08c3a6 |
- if (pread64 (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf))
|
|
|
08c3a6 |
- != sizeof (buf) + 1)
|
|
|
08c3a6 |
+ if (pread64 (fileno (stdin), buf, buf_size + 1, 2 * buf_size)
|
|
|
08c3a6 |
+ != buf_size + 1)
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
|
|
|
08c3a6 |
CHK_FAIL_START
|
|
|
08c3a6 |
- if (pread64 (fileno (stdin), buf, l0 + sizeof (buf) + 1, 2 * sizeof (buf))
|
|
|
08c3a6 |
- != sizeof (buf) + 1)
|
|
|
08c3a6 |
+ if (pread64 (fileno (stdin), buf, l0 + buf_size + 1, 2 * buf_size)
|
|
|
08c3a6 |
+ != buf_size + 1)
|
|
|
08c3a6 |
FAIL ();
|
|
|
08c3a6 |
CHK_FAIL_END
|
|
|
08c3a6 |
#endif
|
|
|
08c3a6 |
@@ -1179,7 +1189,7 @@ do_test (void)
|
|
|
08c3a6 |
CHK_FAIL2_END
|
|
|
08c3a6 |
|
|
|
08c3a6 |
CHK_FAIL2_START
|
|
|
08c3a6 |
- snprintf (buf, sizeof (buf), "%3$d\n", 1, 2, 3, 4);
|
|
|
08c3a6 |
+ snprintf (buf, buf_size, "%3$d\n", 1, 2, 3, 4);
|
|
|
08c3a6 |
CHK_FAIL2_END
|
|
|
08c3a6 |
|
|
|
08c3a6 |
int sp[2];
|
|
|
08c3a6 |
diff --git a/debug/tst-chk7.c b/debug/tst-chk7.c
|
|
|
08c3a6 |
new file mode 100644
|
|
|
08c3a6 |
index 0000000000000000..2a7b32381268135c
|
|
|
08c3a6 |
--- /dev/null
|
|
|
08c3a6 |
+++ b/debug/tst-chk7.c
|
|
|
08c3a6 |
@@ -0,0 +1,2 @@
|
|
|
08c3a6 |
+#define _FORTIFY_SOURCE 3
|
|
|
08c3a6 |
+#include "tst-chk1.c"
|
|
|
08c3a6 |
diff --git a/debug/tst-chk8.cc b/debug/tst-chk8.cc
|
|
|
08c3a6 |
new file mode 100644
|
|
|
08c3a6 |
index 0000000000000000..2a7b32381268135c
|
|
|
08c3a6 |
--- /dev/null
|
|
|
08c3a6 |
+++ b/debug/tst-chk8.cc
|
|
|
08c3a6 |
@@ -0,0 +1,2 @@
|
|
|
08c3a6 |
+#define _FORTIFY_SOURCE 3
|
|
|
08c3a6 |
+#include "tst-chk1.c"
|