On Mon, Nov 8, 2021 at 4:22 AM Noah Misch <noah@leadboat.com> wrote:
On Sun, Nov 07, 2021 at 08:25:09PM +0500, Semab Tariq wrote: > On Sun, Nov 7, 2021 at 4:08 AM Noah Misch <noah@leadboat.com> wrote: > > On Fri, Nov 05, 2021 at 04:22:36AM -0700, Noah Misch wrote: > > > On Fri, Nov 05, 2021 at 03:21:15PM +0500, Semab Tariq wrote: > > > > Breakpoint 1, 0x40000000003fcb50:0 in equalTupleDescs ( > > > > tupdesc1=0x40010006f968, tupdesc2=0x87ffffffffffac50) > > > > > > The addresses there are weird. tupdesc1 is neither a stack address nor a heap > > > address; it may be in a program text section. tupdesc2 is a stack address. > > > In the earlier stack trace from > > > https://postgr.es/m/CANFyU94Xa8a5+4sZ7PxOiDLq+yN89g6y-9nNk-eLEvX6YUXbXA@mail.gmail.com > > > both tupdesc1 and tupdesc2 were heap addresses.
That turned out to be a false alarm. On gharial, a breakpoint at the start of the function doesn't see the real arguments. After a ten-instruction prologue, the real arguments appear, and they are heap addresses.
> PFA new regress_log_080_step_equalTupleDescs file generated from your latest patch
Thanks. That shows the crash happened sometime after strcmp(defval1->adbin, defval2->adbin). Please run the attached version,