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arm64: kexec_file: fix memory leakage in create_dtb() when fdt_open_into() fails
authorqiuguorui1 <qiuguorui1@huawei.com>
Thu, 18 Feb 2021 12:59:00 +0000 (20:59 +0800)
committerWill Deacon <will@kernel.org>
Fri, 19 Feb 2021 17:57:40 +0000 (17:57 +0000)
commit656d1d58d8e0958d372db86c24f0b2ea36f50888
treebb5eb10bb29bf51c58215bab4557073248cb5606tree | snapshot
parenta2c42bbabbe260b7626d8459093631a6e16ee0eecommit | diff
arm64: kexec_file: fix memory leakage in create_dtb() when fdt_open_into() fails

in function create_dtb(), if fdt_open_into() fails, we need to vfree
buf before return.

Fixes: 52b2a8af7436 ("arm64: kexec_file: load initrd and device-tree")
Cc: stable@vger.kernel.org # v5.0
Signed-off-by: qiuguorui1 <qiuguorui1@huawei.com>
Link: https://lore.kernel.org/r/20210218125900.6810-1-qiuguorui1@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/kernel/machine_kexec_file.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git