Commit cc996099 authored Aug 02, 2008 by Alexey Dobriyan Committed by Al Viro Aug 25, 2008

[PATCH] proc: inode number fixlet



Ouch, if number taken from IDA is too big, the intent was to signal an
error, not check for overflow and still do overflowing addition.

One still needs 2^28 proc entries to notice this.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent 6450f651

fs/proc/generic.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -330,6 +330,7 @@ static unsigned int get_inode_number(void)
		spin_lock(&proc_inum_lock);
		ida_remove(&proc_inum_ida, i);
		spin_unlock(&proc_inum_lock);
		return 0;
		}
		return PROC_DYNAMIC_FIRST + i;
		}