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Zhihao Cheng authored
Following process triggers a memleak caused by forgetting to release the initial next anchor PEB (CONFIG_MTD_UBI_FASTMAP is disabled): 1. attach -> __erase_worker -> produce the initial next anchor PEB 2. detach -> ubi_fastmap_close (Do nothing, it should have released the initial next anchor PEB) Don't produce the initial next anchor PEB in __erase_worker() when fastmap is disabled. Signed-off-by:
Zhihao Cheng <chengzhihao1@huawei.com> Suggested-by:
Sascha Hauer <s.hauer@pengutronix.de> Fixes: f9c34bb5 ("ubi: Fix producing anchor PEBs") Reported-by: syzbot+d9aab50b1154e3d163f5@syzkaller.appspotmail.com Signed-off-by:
Richard Weinberger <richard@nod.at>
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