Files
linux-rockchip/lib
Kent Overstreet ebeff03874 lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()
[ Upstream commit b2f11c6f3e1fc60742673b8675c95b78447f3dae ]

If we need to increase the tree depth, allocate a new node, and then
race with another thread that increased the tree depth before us, we'll
still have a preallocated node that might be used later.

If we then use that node for a new non-root node, it'll still have a
pointer to the old root instead of being zeroed - fix this by zeroing it
in the cmpxchg failure path.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-09-12 11:10:25 +02:00
..
2024-07-11 12:47:08 +02:00
2022-09-01 18:04:43 +02:00
2022-10-03 14:03:21 -07:00
2022-10-03 17:34:32 -07:00