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[PATCH] readv/writev syscalls are not checked by lsm
[linux-2.6-block.git]
/
fs
/
read_write.c
diff --git
a/fs/read_write.c
b/fs/read_write.c
index b60324aaa2b6731d9ddedd67badaa7b5c9790a60..a091ee4f430df6cc83317b59c4a2fc363c005080 100644
(file)
--- a/
fs/read_write.c
+++ b/
fs/read_write.c
@@
-497,6
+497,9
@@
static ssize_t do_readv_writev(int type, struct file *file,
}
ret = rw_verify_area(type, file, pos, tot_len);
+ if (ret)
+ goto out;
+ ret = security_file_permission(file, type == READ ? MAY_READ : MAY_WRITE);
if (ret)
goto out;