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Commit a7d521cc authored by Tong Zhang's avatar Tong Zhang Committed by Greg Kroah-Hartman
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net: macb: fix use after free on rmmod


[ Upstream commit d82d5303 ]

plat_dev->dev->platform_data is released by platform_device_unregister(),
use of pclk and hclk is a use-after-free. Since device unregister won't
need a clk device we adjust the function call sequence to fix this issue.

[   31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci]
[   31.275563] Freed by task 306:
[   30.276782]  platform_device_release+0x25/0x80

Suggested-by: default avatarNicolas Ferre <Nicolas.Ferre@microchip.com>
Signed-off-by: default avatarTong Zhang <ztong0001@gmail.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent d56171d9
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