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(parent: 6312073) | patch
bcache: fix wrong usage use-after-freed on keylist in out_nocoalesce branch of btree_...
authorShenghui Wang <shhuiw@foxmail.com>
Wed, 24 Apr 2019 16:48:42 +0000 (00:48 +0800)
committerJens Axboe <axboe@kernel.dk>
Wed, 24 Apr 2019 16:56:29 +0000 (10:56 -0600)
commitf16277ca20acf2c213fcd4b645f4c1cffcadf533
tree3d8968274c543f74610194f4974644d276d5d1c2tree | snapshot
parent631207314d88e9091be02fbdd1fdadb1ae2ed79acommit | diff
bcache: fix wrong usage use-after-freed on keylist in out_nocoalesce branch of btree_gc_coalesce

Elements of keylist should be accessed before the list is freed.
Move bch_keylist_free() calling after the while loop to avoid wrong
content accessed.

Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/bcache/btree.c diff | blob | history
John Crispins staging tree