Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-26 22:21:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

memstick: fix a double-free bug in memstick_check

Browse Source 
kfree(host->card) has been called in put_device so that
another kfree would raise cause a double-free bug.

Fixes: 0193383a58 ("memstick: core: fix device_register() error handling")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20201120074846.31322-1-miaoqinglang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Qinglang Miao 2020-11-20 15:48:46 +08:00 committed by Ulf Hansson
parent bf3023e6e8
commit e3e9ced5c9
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/memstick/core/memstick.c
View File

@ -468,7 +468,6 @@ static void memstick_check(struct work_struct *work)
host->card = card;
if (device_register(&card->dev)) {
put_device(&card->dev);
kfree(host->card);
host->card = NULL;
}
} else