From: Marek Vasut <marek.vasut@mailbox.org>
To: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>,
Mattijs Korpershoek <mkorpershoek@kernel.org>,
Marek Vasut <marek.vasut+usb@mailbox.org>,
Gurumoorthy Santhakumar
<gurumoorthy.santhakumar@oss.qualcomm.com>,
u-boot@lists.denx.de
Cc: Tom Rini <trini@konsulko.com>,
Casey Connolly <casey.connolly@linaro.org>,
Chris Morgan <macromorgan@hotmail.com>,
Varadarajan Narayanan <quic_varada@quicinc.com>
Subject: Re: [PATCH v3] usb: dwc3: Fix crash on fastboot exit due to incorrect memory free
Date: Thu, 7 May 2026 19:25:56 +0200 [thread overview]
Message-ID: <fa4a37d3-1eaf-4fbb-adf3-034d2556d2db@mailbox.org> (raw)
In-Reply-To: <20260507-usb-v3-1-402b37fc2154@oss.qualcomm.com>
On 5/7/26 5:20 PM, Balaji Selvanathan wrote:
> The dwc3_free_one_event_buffer() function incorrectly called free()
> on event buffer structures allocated with devm_kzalloc(). This
> caused heap corruption and a synchronous abort when exiting
> fastboot mode via "fastboot continue".
>
> Device-managed memory is automatically freed when the device is
> removed, so manual deallocation causes the heap allocator to access
> corrupted metadata.
>
> Fixes: 884b10e86a05 ("usb: dwc3: core: fix memory leaks in event buffer cleanup")
> Signed-off-by: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>
Reviewed-by: Marek Vasut <marek.vasut+usb@mailbox.org>
Did Mattijs RB got dropped ?
next prev parent reply other threads:[~2026-05-07 17:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 15:20 [PATCH v3] usb: dwc3: Fix crash on fastboot exit due to incorrect memory free Balaji Selvanathan
2026-05-07 17:25 ` Marek Vasut [this message]
2026-05-08 3:47 ` Balaji Selvanathan
2026-05-11 8:51 ` Mattijs Korpershoek
2026-05-11 17:25 ` Alexey Charkov
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