From: David Marchand <david.marchand@redhat.com>
To: Robin Jarry <rjarry@redhat.com>
Cc: "Stephen Hemminger" <stephen@networkplumber.org>,
dev@dpdk.org, "Bruce Richardson" <bruce.richardson@intel.com>,
"Morten Brørup" <mb@smartsharesystems.com>,
"Chengwen Feng" <fengchengwen@huawei.com>
Subject: Re: [PATCH dpdk] log: fix double free on cleanup
Date: Mon, 23 Dec 2024 09:59:47 +0100 [thread overview]
Message-ID: <CAJFAV8wwGGXono5QpaKxWF60srxE7dK7TLnNuC97tzAFt4D0-w@mail.gmail.com> (raw)
In-Reply-To: <20241129090056.6ba07d39@hermes.local>
On Fri, Nov 29, 2024 at 6:01 PM Stephen Hemminger
<stephen@networkplumber.org> wrote:
> On Fri, 29 Nov 2024 17:10:14 +0100
> Robin Jarry <rjarry@redhat.com> wrote:
>
> > Fix the following crash when closing a log file after rte_eal_cleanup():
> >
> > double free or corruption (!prev)
> >
> > Thread 1 "grout" received signal SIGABRT, Aborted.
> > __pthread_kill_implementation (threadid=<optimized out>,
> > signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
> > ...
> > #10 _IO_new_fclose (fp=0xb63090) at iofclose.c:74
> > #11 0x000000000049c04e in dpdk_fini () at ../main/dpdk.c:204
> > #12 0x0000000000402ab8 in main (...) at ../main/main.c:217
> > (gdb) up 11
> > #11 0x000000000049c04e in dpdk_fini () at ../main/dpdk.c:204
> > 202 rte_eal_cleanup();
> > 203 if (log_stream != NULL)
> > 204 fclose(log_stream);
> >
> > When the application has passed a custom file via rte_openlog_stream()
> > DPDK should not call fclose() on it.
> >
> > Add an internal is_internal_file field to track whether the file has
> > been allocated by DPDK (syslog or journald) to determine if it should be
> > closed or not.
> >
> > Fixes: 985130369be3 ("log: rework syslog handling")
Added Cc: stable for 24.11 LTS.
> > Signed-off-by: Robin Jarry <rjarry@redhat.com>
> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Applied, thanks for the fix Robin.
--
David Marchand
prev parent reply other threads:[~2024-12-23 9:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-29 16:10 Robin Jarry
2024-11-29 16:54 ` Stephen Hemminger
2024-12-01 13:48 ` Robin Jarry
2024-11-29 17:00 ` Stephen Hemminger
2024-12-23 8:59 ` David Marchand [this message]
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