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btrfs: Check name_len in btrfs_check_ref_name_override
authorSu Yue <suy.fnst@cn.fujitsu.com>
Tue, 6 Jun 2017 09:57:04 +0000 (17:57 +0800)
committerDavid Sterba <dsterba@suse.com>
Wed, 21 Jun 2017 17:16:04 +0000 (19:16 +0200)
commit3c1d41844896f59ac771daf146a5329525dc87c5
tree21c1d3f1fa3f6c877c0ffe28231c89aa72ddc9d1tree | snapshot
parent8ee8c2d62d5f9e7d1e592426d3d0b941df29f688commit | diff
btrfs: Check name_len in btrfs_check_ref_name_override

In btrfs_log_inode, btrfs_search_forward gets the buffer and then
btrfs_check_ref_name_override will read name from ref/extref for the
first time.

Call btrfs_is_name_len_valid before reading name.

Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/tree-log.c diff | blob | history
Domain: System / Kernel;