Re: [rdma-core patch] srp_daemon: fix a double free segment fault for ibsrpdm

[Leon Romanovsky <leon@kernel.org>]

On Thu, Sep 19, 2019 at 02:40:45PM +0800, Honggang LI wrote:
> From: Honggang Li <honli@redhat.com>
>
> Command: ./ibsrpdm -d /dev/infiniband/umadX
>
> Invalid free() / delete / delete[] / realloc()
>    at 0x4C320DC: free (vg_replace_malloc.c:540)
>    by 0x403BBB: free_config (srp_daemon.c:1811)
>    by 0x4031BE: ibsrpdm (srp_daemon.c:2113)
>    by 0x4031BE: main (srp_daemon.c:2153)
>  Address 0x5ee5fd0 is 0 bytes inside a block of size 16 free'd
>    at 0x4C320DC: free (vg_replace_malloc.c:540)
>    by 0x404851: translate_umad_to_ibdev_and_port (srp_daemon.c:729)
>    by 0x404851: set_conf_dev_and_port (srp_daemon.c:1586)
>    by 0x403171: ibsrpdm (srp_daemon.c:2092)
>    by 0x403171: main (srp_daemon.c:2153)
>  Block was alloc'd at
>    at 0x4C30EDB: malloc (vg_replace_malloc.c:309)
>    by 0x40478D: translate_umad_to_ibdev_and_port (srp_daemon.c:698)
>    by 0x40478D: set_conf_dev_and_port (srp_daemon.c:1586)
>    by 0x403171: ibsrpdm (srp_daemon.c:2092)
>    by 0x403171: main (srp_daemon.c:2153)
>
> Signed-off-by: Honggang Li <honli@redhat.com>
> ---
>  srp_daemon/srp_daemon.c | 1 +
>  1 file changed, 1 insertion(+)

Queued, https://github.com/linux-rdma/rdma-core/pull/585

Thanks