In article <20180317225722.GA1538@neva>, Alexander Nasonov <al...@yandex.ru> wrote: >Coverity (CID 1427746) complains about a division by zero when >align is 0 in all PT_LOAD headers. > >I tried reproducing the problem but the code in question is inside >'if (offset < epp->ep_vm_minaddr)' and it isn't easily reproducable. > >However, I hit KASSERT panic: > >"(offset & (align - 1)) == 0" file sys/kern/exec_elf.c, line 139. > >Steps to reproduce (on amd64 compiled with MKPIE=yes): > >bvi -s 0x0e2 /bin/echo # change 20 to 00 >bvi -s 0x11a /bin/echo # change 20 to 00 > >/bin/echo # boom! > >I would be nice to perform sanity checks of tainted executable >instead of panicing.
Fixed, thanks. christos
