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(parent: b783e62) | patch
Btrfs: copy string correctly in INO_LOOKUP ioctl
authorLi Zefan <lizf@cn.fujitsu.com>
Thu, 14 Jul 2011 03:16:00 +0000 (03:16 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 1 Aug 2011 18:30:45 +0000 (14:30 -0400)
commit77906a5075a4eb767026c2e07b1a412d08aea5be
tree0d7744a53a88c0e657ba727cd69e9b694d034772tree | snapshot
parentb783e62d9620445d1ca3de76badf0468cdd329bacommit | diff
Btrfs: copy string correctly in INO_LOOKUP ioctl

Memory areas [ptr, ptr+total_len] and [name, name+total_len]
may overlap, so it's wrong to use memcpy().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/ioctl.c diff | blob | history
Domain: System / Kernel;