Checking patch stdio-common/vfscanf-internal.c...
error: while searching for:
         return EOF;                                                         \
       }                                                                     \
    } while (0)
#define LOCK_STREAM(S)                                                       \
  __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, (S)); \
  _IO_flockfile (S)
#define UNLOCK_STREAM(S)                                                     \
  _IO_funlockfile (S);                                                       \
  __libc_cleanup_region_end (0)

struct ptrs_to_free

error: patch failed: stdio-common/vfscanf-internal.c:177
Hunk #2 succeeded at 197 (offset -4 lines).
Applying patch stdio-common/vfscanf-internal.c with 1 reject...
Rejected hunk #1.
Hunk #2 applied cleanly.