https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99193
--- Comment #3 from Richard W.M. Jones <rjones at redhat dot com> --- This seems to be the same thing at a different place in the code: https://github.com/libguestfs/libguestfs/blob/f19fd566f6387ce7e4d82409528c9dde374d25e0/df/main.c#L404 CC virt_df-main.o main.c: In function 'make_display_name': main.c:404:11: error: 'ret' should have been deallocated with 'free' but was deallocated with 'realloc' [CWE-762] [-Werror=analyzer-mismatching-deallocation] 404 | ret = realloc (ret, len + pluses + 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 'make_display_name': event 1 | | 378 | make_display_name (struct drv *drvs) | | ^~~~~~~~~~~~~~~~~ | | | | | (1) entry to 'make_display_name' | 'make_display_name': event 2 | | 382 | assert (drvs != NULL); | | ^~~~~~ | | | | | (2) following 'true' branch (when 'drvs' is non-NULL)... | 'make_display_name': events 3-4 | | 385 | if (drvs->next == NULL) | | ^~ ~ | | | | | | | (4) following 'false' branch... | | (3) ...to here | 'make_display_name': event 5 | |cc1: | (5): ...to here | 'make_display_name': events 6-8 | | 396 | while (drvs->next != NULL) { | | ^ | | | | | (6) following 'true' branch... | 397 | drvs = drvs->next; | | ~~~~ | | | | | (7) ...to here |...... | 401 | ret = single_drive_display_name (drvs); | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (8) calling 'single_drive_display_name' from 'make_display_name' | +--> 'single_drive_display_name': event 9 | | 322 | single_drive_display_name (struct drv *drvs) | | ^~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (9) entry to 'single_drive_display_name' | 'single_drive_display_name': event 10 | | 327 | assert (drvs != NULL); | | ^~~~~~ | | | | | (10) following 'true' branch (when 'drvs' is non-NULL)... | 'single_drive_display_name': event 11 | | 328 | assert (drvs->next == NULL); | | ^~~~~~ | | | | | (11) ...to here | 'single_drive_display_name': event 12 | | 328 | assert (drvs->next == NULL); | | ^~~~~~ | | | | | (12) following 'true' branch... | 'single_drive_display_name': events 13-19 | | 330 | switch (drvs->type) { | | ^~~~~~ | | | | | (13) ...to here | | (14) following 'case 1:' branch... |...... | 342 | case drv_uri: | | ~~~~ | | | | | (15) ...to here | 343 | name = strdup (drvs->uri.orig_uri); | 344 | if (name == NULL) | | ~ | | | | | (16) following 'false' branch (when 'name' is non-NULL)... |...... | 349 | p = strrchr (name, '/'); | | ~ | | | | | (17) ...to here |...... | 370 | if (!name) | | ~ | | | | | (18) following 'false' branch (when 'name' is non-NULL)... |...... | 373 | return name; | | ~~~~~~ | | | | | (19) ...to here | <------+ | 'make_display_name': events 20-21 | | 401 | ret = single_drive_display_name (drvs); | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (20) returning to 'make_display_name' from 'single_drive_display_name' |...... | 404 | ret = realloc (ret, len + pluses + 1); | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (21) deallocated with 'realloc' here | cc1: all warnings being treated as errors
