net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
authorLv Yunlong <lyl2019@mail.ustc.edu.cn>
Thu, 11 Mar 2021 04:01:40 +0000 (20:01 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Mar 2021 12:31:58 +0000 (14:31 +0200)
commit87378c850fee4f41f3d816aeaa0b5e69f2522f51
tree82611a8844f41c154aae55596a38e6f436d7a77e
parent648b62f10cec8070e9d0ce82d3c2828cfba75b4a
net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template

[ Upstream commit db74623a3850db99cb9692fda9e836a56b74198d ]

In qlcnic_83xx_get_minidump_template, fw_dump->tmpl_hdr was freed by
vfree(). But unfortunately, it is used when extended is true.

Fixes: 7061b2bdd620e ("qlogic: Deletion of unnecessary checks before two function calls")
Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c