mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-27 22:24:11 +08:00
mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
kfree(dev) has been called inside put_device so anther
kfree would cause a use-after-free bug/
Fixes: 8286ae0330
("MIPS: Add CDMM bus support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
parent
a307a4ce9e
commit
f0e82242b1
@ -559,10 +559,8 @@ static void mips_cdmm_bus_discover(struct mips_cdmm_bus *bus)
|
||||
dev_set_name(&dev->dev, "cdmm%u-%u", cpu, id);
|
||||
++id;
|
||||
ret = device_register(&dev->dev);
|
||||
if (ret) {
|
||||
if (ret)
|
||||
put_device(&dev->dev);
|
||||
kfree(dev);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user