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authorChris Mason <clm@fb.com>2014-04-26 05:02:03 -0700
committerChris Mason <clm@fb.com>2014-04-26 05:02:03 -0700
commitcfd4a535b68faf651b238586011f5bae128391c4 (patch)
tree03380f86411c67a7ba84d3af697dcdfd01b9f66f /fs/reiserfs/hashes.c
parentf8213bdc89719bad895a02c62c4a85066ff76720 (diff)
Btrfs: limit the path size in send to PATH_MAX
fs_path_ensure_buf is used to make sure our path buffers for send are big enough for the path names as we construct them. The buffer size is limited to 32K by the length field in the struct. But bugs in the path construction can end up trying to build a huge buffer, and we'll do invalid memmmoves when the buffer length field wraps. This patch is step one, preventing the overflows. Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/reiserfs/hashes.c')
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