https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100071
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I have and see
==3196657== Invalid write of size 8
==3196657== at 0x401DAF: MAIN__ (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
==3196657== by 0x40204A: main (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
==3196657== Address 0x4f2a560 is 48 bytes inside a block of size 896 free'd
==3196657== at 0x483A9F5: free (vg_replace_malloc.c:538)
==3196657== by 0x401C20: MAIN__ (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
==3196657== by 0x40204A: main (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
==3196657== Block was alloc'd at
==3196657== at 0x4839809: malloc (vg_replace_malloc.c:307)
==3196657== by 0x4CF6CCC: omp_aligned_alloc.part.0 (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/.libs/libgomp.so.1.0.0)
==3196657== by 0x4018E1: MAIN__ (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
==3196657== by 0x40204A: main (in
/home/jakub/src/gcc/obj02/x86_64-pc-linux-gnu/libgomp/testsuite/alloc-2.exe)
2021-04-14 Jakub Jelinek <ja...@redhat.com>
PR testsuite/100071
* testsuite/libgomp.fortran/alloc-1.F90: Call c_f_pointer after last
cp = omp_alloc with cp, p arguments instead of cq, q and call
c_f_pointer after last cq = omp_alloc with cq, q.
--- libgomp/testsuite/libgomp.fortran/alloc-1.F90.jj 2020-07-18
00:05:57.245601544 +0200
+++ libgomp/testsuite/libgomp.fortran/alloc-1.F90 2021-04-14
10:35:19.425186364 +0200
@@ -155,12 +155,13 @@
cp = omp_alloc (ONEoFIVE, &
& omp_null_allocator)
if (mod (transfer (cp, intptr), 32_c_intptr_t) /= 0) stop 17
- call c_f_pointer (cq, q, [ONEoFIVE &
+ call c_f_pointer (cp, p, [ONEoFIVE &
& / c_sizeof (i)])
p(1) = 5
p(ONEoFIVE / c_sizeof (i)) = 6
cq = omp_alloc (768_c_size_t, omp_null_allocator)
if (mod (transfer (cq, intptr), 128_c_intptr_t) /= 0) stop 18
+ call c_f_pointer (cq, q, [768 / c_sizeof (i)])
q(1) = 7
q(768 / c_sizeof (i)) = 8
if (c_associated (omp_alloc (768_c_size_t, omp_null_allocator))) &
seems to fix it.
