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| author |   Qinglang Miao <miaoqinglang@huawei.com> | 2020-12-01 14:31:50 +0800 |
|---|---|---|
| committer |   Heiko Carstens <hca@linux.ibm.com> | 2020-12-09 21:02:07 +0100 |
| commit | 14d4c4fa46eeaa3922e8e1c4aa727eb0a1412804 (patch) | |
| tree | 74c4e55967098490304b430d43d34ffc577eb47c /arch/s390 | |
| parent | s390/cio: remove pm support from ccw bus driver (diff) | |
| download | linux-dev-14d4c4fa46eeaa3922e8e1c4aa727eb0a1412804.tar.xz linux-dev-14d4c4fa46eeaa3922e8e1c4aa727eb0a1412804.zip | |
s390/cio: fix use-after-free in ccw_device_destroy_console
Use of sch->dev reference after the put_device() call could trigger
the use-after-free bugs.
Fix this by simply adjusting the position of put_device.
Fixes: 37db8985b211 ("s390/cio: add basic protected virtualization support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
[vneethv@linux.ibm.com: Slight modification in the commit-message]
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions