Ah, okay, I see. submission_max_mail_size should be defined as uoff_t instead of size_t in struct submission_settings and struct submission_settings.
> On 20 Jul 2019, at 1.47, Joseph Tam via dovecot <[email protected]> wrote: > > > Looking further into this segfault at > > settings-parser.c:setting_copy():1519 > *dest_size = *src_size; > > *src_size points to type size_t (typedef unsigned long), a 4-byte > aligned value consistent with a 32-bit build. This is mismatched with > declared type > > (gdb) whatis src_size > type = const uoff_t * > (gdb) whatis uoff_t > type = unsigned long long > (gdb) p sizeof(uoff_t) > $1 = 8 > > resulting in the segfault when *src_size is dereferened. The implied > condition of this code segment is typeof(uoff_t)==typeof(size_t) which > is clearly not the case. > > I'm not sure how/if uoff_t is defined, but configure reports > > checking for uoff_t... no > checking type of off_t... long long > > The latter is weird, because if I compile and run using the same compiler > flags > > #include <stdio.h> > int main(void) { printf("%d %d\n",sizeof(long long),sizeof(off_t)); } > > the output is "8 4". > > Joseph Tam <[email protected]>
