Newly introduced defects

List of Defects

Error: CLANG_WARNING: [#def1]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/fb/fbscreen.c:179:59: warning[core.BitwiseShift]: Right operand is negative in left shift
#  177|       rootdepth = 0;
#  178|       if (!fbInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
#  179|->                        &defaultVisual, ((unsigned long) 1 << (bpp - 1)),
#  180|                          8))
#  181|           return FALSE;

Error: CLANG_WARNING: [#def2]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_program.c:406:5: warning[unix.Malloc]: Attempt to free released memory
#  404|           prog->prog = 0;
#  405|       }
#  406|->     free(vs_prog_string);
#  407|       free(fs_prog_string);
#  408|       free(version_string);

Error: GCC_ANALYZER_WARNING (CWE-457): [#def3]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c:505:53: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘src_pixmap_priv[1]’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c: scope_hint: In function ‘glamor_xv_render’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c:412:18: note: in expansion of macro ‘REGION_RECTS’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c: scope_hint: In function ‘glamor_xv_render’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c:413:16: note: in expansion of macro ‘REGION_NUM_RECTS’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c: scope_hint: In function ‘glamor_xv_render’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/include/privates.h: scope_hint: In function ‘glamor_xv_render’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c: scope_hint: In function ‘glamor_xv_render’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor_xv.c: scope_hint: In function ‘glamor_xv_render’
#  503|   
#  504|           glActiveTexture(GL_TEXTURE1);
#  505|->         glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[1]->fbo->tex);
#  506|           glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
#  507|           glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

Error: GCC_ANALYZER_WARNING (CWE-401): [#def4]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-glamor-gbm.c: scope_hint: In function ‘xwl_dri3_create_syncobj’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-glamor-gbm.c:1158:12: warning[-Wanalyzer-malloc-leak]: leak of ‘syncobj’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/include/cursor.h:53: included_from: Included from here.
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/include/scrnintstr.h:53: included_from: Included from here.
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/glamor/glamor.h:32: included_from: Included from here.
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-glamor-gbm.c:49: included_from: Included from here.
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/include/privates.h: scope_hint: In function ‘xwl_dri3_create_syncobj’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-glamor-gbm.c: scope_hint: In function ‘xwl_dri3_create_syncobj’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-glamor-gbm.c: scope_hint: In function ‘xwl_dri3_create_syncobj’
# 1156|       syncobj->base.signaled_eventfd = xwl_dri3_syncobj_signaled_eventfd;
# 1157|       syncobj->base.submitted_eventfd = xwl_dri3_syncobj_submitted_eventfd;
# 1158|->     return &syncobj->base;
# 1159|   
# 1160|   fail:

Error: CLANG_WARNING: [#def5]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/hw/xwayland/xwayland-window.c:1093:22: warning[unix.Malloc]: Use of memory after it is freed
# 1091|   
# 1092|       xorg_list_for_each_entry(window_output, &xwl_window->xwl_output_list, link) {
# 1093|->         xwl_output = window_output->xwl_output;
# 1094|           if (xwl_output->scale > scale)
# 1095|               scale = xwl_output->scale;

Error: GCC_ANALYZER_WARNING (CWE-762): [#def6]
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/os/string.c: scope_hint: In function ‘xstrtokenize’
xorg-x11-server-Xwayland-24.1.0-build/xwayland-24.1.0/os/string.c:55:17: warning[-Wanalyzer-mismatching-deallocation]: ‘list’ should have been deallocated with ‘free’ but was deallocated with ‘reallocarray’
#   53|           goto error;
#   54|       for (tok = strtok(tmp, separators); tok; tok = strtok(NULL, separators)) {
#   55|->         nlist = reallocarray(list, num + 2, sizeof(*list));
#   56|           if (!nlist)
#   57|               goto error;

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