linux-kernel - Re: mwifiex: fix memory leak in mwifiex_save_hidden_ssid

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Message-Id: <20161117111328.CE36E61652@smtp.codeaurora.org>
Date:   Thu, 17 Nov 2016 11:13:28 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Ricky Liang <jcliang@...omium.org>
Cc:     unlisted-recipients:; (no To-header on input)
        Ricky Liang <jcliang@...omium.org>,
        Amitkumar Karwar <akarwar@...vell.com>,
        Nishant Sarmukadam <nishants@...vell.com>,
        linux-wireless@...r.kernel.org (open list:MARVELL MWIFIEX WIRELESS
        DRIVER), netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: Re: mwifiex: fix memory leak in mwifiex_save_hidden_ssid_channels()

Ricky Liang <jcliang@...omium.org> wrote:
> kmemleak reports memory leak in mwifiex_save_hidden_ssid_channels():
> 
> unreferenced object 0xffffffc0a2914780 (size 192):
>   comm "ksdioirqd/mmc2", pid 2004, jiffies 4307182506 (age 820.684s)
>   hex dump (first 32 bytes):
>     00 06 47 49 4e 2d 32 67 01 03 c8 60 6c 03 01 40  ..GIN-2g...`l..@
>     07 10 54 57 20 34 04 1e 64 05 24 84 03 24 95 04  ..TW 4..d.$..$..
>   backtrace:
>     [<ffffffc0003375f4>] create_object+0x164/0x2b4
>     [<ffffffc0008e3530>] kmemleak_alloc+0x50/0x88
>     [<ffffffc000335120>] __kmalloc_track_caller+0x1bc/0x264
>     [<ffffffc00030899c>] kmemdup+0x38/0x64
>     [<ffffffbffc2311cc>] mwifiex_fill_new_bss_desc+0x3c/0x130 [mwifiex]
>     [<ffffffbffc22ee9c>] mwifiex_save_curr_bcn+0x4ec/0x640 [mwifiex]
>     [<ffffffbffc22f45c>] mwifiex_handle_event_ext_scan_report+0x1d4/0x268 [mwifiex]
>     [<ffffffbffc2375d0>] mwifiex_process_sta_event+0x378/0x898 [mwifiex]
>     [<ffffffbffc224dc8>] mwifiex_process_event+0x1a8/0x1e8 [mwifiex]
>     [<ffffffbffc2228f0>] mwifiex_main_process+0x258/0x534 [mwifiex]
>     [<ffffffbffc258858>] 0xffffffbffc258858
>     [<ffffffc00071ee90>] process_sdio_pending_irqs+0xf8/0x160
>     [<ffffffc00071efdc>] sdio_irq_thread+0x9c/0x1a4
>     [<ffffffc000240d08>] kthread+0xf4/0x100
>     [<ffffffc0002043fc>] ret_from_fork+0xc/0x50
>     [<ffffffffffffffff>] 0xffffffffffffffff
> 
> Signed-off-by: Ricky Liang <jcliang@...omium.org>
> Acked-by: Amitkumar Karwar <akarwar@...vell.com>
> Reviewed-by: Brian Norris <briannorris@...omium.org>

Patch applied to wireless-drivers-next.git, thanks.

5ff262229378 mwifiex: fix memory leak in mwifiex_save_hidden_ssid_channels()

-- 
https://patchwork.kernel.org/patch/9418433/

Documentation about submitting wireless patches and checking status
from patchwork:

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches