f2fs: check memory boundary by insane namelen

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If namelen is corrupted to have very long value, fill_dentries can copy
wrong memory area.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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This commit is contained in:

Jaegeuk Kim 2018-11-14 12:40:30 -08:00

parent 1e771e83ce

commit 4e240d1bab

1 changed files with 11 additions and 1 deletions

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12

fs/f2fs/dir.c

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