From: Saeed Mahameed <saeedm@mellanox.com>
To: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "stable@vger.kernel.org" <stable@vger.kernel.org>,
"paul.gortmaker@windriver.com" <paul.gortmaker@windriver.com>,
Mark Bloch <markb@mellanox.com>, Roi Dayan <roid@mellanox.com>
Subject: Re: [PATCH 4.19 25/25] Revert "net/mlx5: Annotate mutex destroy for root ns"
Date: Thu, 11 Jun 2020 22:17:33 +0000 [thread overview]
Message-ID: <9233056dbbce44ab5e3a3d401e4e5da119a36780.camel@mellanox.com> (raw)
In-Reply-To: <20200609174051.624603139@linuxfoundation.org>
On Tue, 2020-06-09 at 19:45 +0200, Greg Kroah-Hartman wrote:
> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> This reverts commit 95fde2e46860c183f6f47a99381a3b9bff488bd5 which is
> commit 9ca415399dae133b00273a4283ef31d003a6818d upstream.
>
> It was backported incorrectly, Paul writes at:
> https://lore.kernel.org/r/20200607203425.GD23662@windriver.com
>
> I happened to notice this commit:
>
> 9ca415399dae - "net/mlx5: Annotate mutex destroy for root ns"
>
> ...was backported to 4.19 and 5.4 and v5.6 in linux-stable.
>
> It patches del_sw_root_ns() - which only exists after v5.7-rc7
> from:
>
> 6eb7a268a99b - "net/mlx5: Don't maintain a case of del_sw_func
> being
> null"
>
> which creates the one line del_sw_root_ns stub function around
> kfree(node) by breaking it out of tree_put_node().
>
> In the absense of del_sw_root_ns - the backport finds an
> identical one
> line kfree stub fcn - named del_sw_prio from this earlier
> commit:
>
> 139ed6c6c46a - "net/mlx5: Fix steering memory leak" [in v4.15-
> rc5]
>
> and then puts the mutex_destroy() into that (wrong) function,
> instead of
> putting it into tree_put_node where the root ns case used to be
> hand
>
> Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
> Cc: Roi Dayan <roid@mellanox.com>
> Cc: Mark Bloch <markb@mellanox.com>
> Cc: Saeed Mahameed <saeedm@mellanox.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
I don't know if this was due to something wrong in my backporting
process or AUTOSEL/wrong Fixes tag related. I will check later and will
try my best to avoid this in the future.
Thanks,
Saeed.
next prev parent reply other threads:[~2020-06-11 22:17 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-09 17:44 [PATCH 4.19 00/25] 4.19.128-rc1 review Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 01/25] devinet: fix memleak in inetdev_init() Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 02/25] l2tp: add sk_family checks to l2tp_validate_socket Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 03/25] l2tp: do not use inet_hash()/inet_unhash() Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 04/25] net: usb: qmi_wwan: add Telit LE910C1-EUX composition Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 05/25] NFC: st21nfca: add missed kfree_skb() in an error path Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 06/25] vsock: fix timeout in vsock_accept() Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 07/25] net: check untrusted gso_size at kernel entry Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 08/25] USB: serial: qcserial: add DW5816e QDL support Greg Kroah-Hartman
2020-06-09 17:44 ` [PATCH 4.19 09/25] USB: serial: usb_wwan: do not resubmit rx urb on fatal errors Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 10/25] USB: serial: option: add Telit LE910C1-EUX compositions Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 11/25] iio: vcnl4000: Fix i2c swapped word reading Greg Kroah-Hartman
2020-06-15 13:30 ` Pavel Machek
2020-06-16 8:18 ` Jonathan Cameron
2020-06-09 17:45 ` [PATCH 4.19 12/25] usb: musb: start session in resume for host port Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 13/25] usb: musb: Fix runtime PM imbalance on error Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 14/25] vt: keyboard: avoid signed integer overflow in k_ascii Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 15/25] tty: hvc_console, fix crashes on parallel open/close Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 16/25] staging: rtl8712: Fix IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 17/25] CDC-ACM: heed quirk also in error handling Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 18/25] nvmem: qfprom: remove incorrect write support Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 19/25] x86/cpu: Add a steppings field to struct x86_cpu_id Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 20/25] x86/cpu: Add table argument to cpu_matches() Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 21/25] x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 22/25] x86/speculation: Add SRBDS vulnerability and mitigation documentation Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 23/25] x86/speculation: Add Ivy Bridge to affected list Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 24/25] uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned Greg Kroah-Hartman
2020-06-09 18:55 ` Naresh Kamboju
2020-06-09 19:03 ` Greg Kroah-Hartman
2020-06-10 14:53 ` Oleg Nesterov
2020-06-10 14:58 ` Greg Kroah-Hartman
2020-06-11 16:51 ` Oleg Nesterov
2020-06-12 5:46 ` Greg Kroah-Hartman
2020-06-09 17:45 ` [PATCH 4.19 25/25] Revert "net/mlx5: Annotate mutex destroy for root ns" Greg Kroah-Hartman
2020-06-11 22:17 ` Saeed Mahameed [this message]
2020-06-12 1:07 ` Sasha Levin
2020-06-09 19:01 ` [PATCH 4.19 00/25] 4.19.128-rc1 review Naresh Kamboju
2020-06-09 19:20 ` Shuah Khan
2020-06-09 19:41 ` Greg Kroah-Hartman
2020-06-10 11:29 ` Jon Hunter
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