Re: valgrind spews

[Bart Van Assche <Bart.VanAssche@wdc.com>]

On Thu, 2018-03-22 at 11:01 -0600, Jens Axboe wrote:
> Run it as a server:
> 
> $ valgrind ./fio --server
> $ ./fio --client=localhost null.fio
> 
> $ cat null.fio
> [null]
> bs=4k
> ioengine=null
> size=1g
> rw=read
> 
> The above was supposed to say "fio server", but apparently I missed
> putting that in...

If I run that test, Valgrind only reports the following on my laptop:

==17458== Conditional jump or move depends on uninitialised value(s)
==17458==    at 0x463FFD: __sk_out_drop (server.c:142)
==17458==    by 0x463FFD: handle_connection (server.c:1257)
==17458==    by 0x463FFD: accept_loop (server.c:1389)
==17458==    by 0x463FFD: fio_server (server.c:2468)
==17458==    by 0x464894: fio_start_server (server.c:2552)
==17458==    by 0x426F8E: parse_cmd_line (init.c:2880)
==17458==    by 0x427602: parse_options (init.c:2931)
==17458==    by 0x41134A: main (fio.c:42)
==17458== 
==17458== Conditional jump or move depends on uninitialised value(s)
==17458==    at 0x46400F: __sk_out_drop (server.c:146)
==17458==    by 0x46400F: handle_connection (server.c:1257)
==17458==    by 0x46400F: accept_loop (server.c:1389)
==17458==    by 0x46400F: fio_server (server.c:2468)
==17458==    by 0x464894: fio_start_server (server.c:2552)
==17458==    by 0x426F8E: parse_cmd_line (init.c:2880)
==17458==    by 0x427602: parse_options (init.c:2931)
==17458==    by 0x41134A: main (fio.c:42)

Where is the sk_out structure allocated? Can Valgrind know whether or not
that structure has been initialized?

Thanks,

Bart.