Files
linux/kernel
Alexei Starovoitov b90d77e5fd bpf: Fix remap of arena.
The bpf arena logic didn't account for mremap operation. Add a refcnt for
multiple mmap events to prevent use-after-free in arena_vm_close.

Fixes: 317460317a ("bpf: Introduce bpf_arena.")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Barret Rhoden <brho@google.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Closes: https://lore.kernel.org/bpf/Zmuw29IhgyPNKnIM@xpf.sh.intel.com
Link: https://lore.kernel.org/bpf/20240617171812.76634-1-alexei.starovoitov@gmail.com
2024-06-18 17:19:46 +02:00
..
2024-06-18 17:19:46 +02:00
2023-10-19 11:02:48 +02:00
2024-04-25 21:07:04 -07:00
2024-05-06 14:22:02 -06:00
2024-03-01 12:23:37 +01:00
2023-12-01 09:51:44 -08:00
2024-03-13 12:53:53 -07:00
2023-10-04 10:41:57 -07:00
2023-12-29 12:22:29 -08:00
2024-05-23 19:40:26 -07:00
2024-04-25 20:56:00 -07:00