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openSUSE:Step:15-SP2
openmpi3.23307
Build-warning-stringop-overflow-in.patch
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File Build-warning-stringop-overflow-in.patch of Package openmpi3.23307
commit 8c2b56a209b309e07058c48780339804cb4bdbb0 Author: John L. Jolly <jjolly@suse.com> Date: Tue May 22 10:04:40 2018 -0600 - Build warning: stringop-overflow in get_dynamic_win_info() at osc_ucx_comm.c In file included from /usr/include/string.h:494:0, from ../../../../ompi/info/info.h:29, from ../../../../ompi/mca/osc/base/base.h:24, from osc_ucx_comm.c:13: In function 'memcpy', inlined from 'get_dynamic_win_info' at osc_ucx_comm.c:359:5, inlined from 'ompi_osc_ucx_put' at osc_ucx_comm.c:401:18: /usr/include/bits/string_fortified.h:34:10: warning: '__builtin___memcpy_chk' writing 8 bytes into a region of size 4 overflows the destination [-Wstringop-overflow=] return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is caused by a type size mismatch in a call to memcpy This fix corrects the type definition of the win_count variable. Signed-off-by: John Jolly <jjolly@suse.com> diff --git ompi/mca/osc/ucx/osc_ucx_comm.c ompi/mca/osc/ucx/osc_ucx_comm.c index 22f4ce1e9430..e9e2b40f8222 100644 --- ompi/mca/osc/ucx/osc_ucx_comm.c +++ ompi/mca/osc/ucx/osc_ucx_comm.c @@ -332,7 +332,8 @@ static inline int get_dynamic_win_info(uint64_t remote_addr, ompi_osc_ucx_module size_t len = sizeof(uint64_t) + sizeof(ompi_osc_dynamic_win_info_t) * OMPI_OSC_UCX_ATTACH_MAX; char *temp_buf = malloc(len); ompi_osc_dynamic_win_info_t *temp_dynamic_wins; - int win_count, contain, insert = -1; + uint64_t win_count; + int contain, insert = -1; ucs_status_t status; if ((module->win_info_array[target]).rkey_init == true) {
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