From: Hou Tao <houtao1@xxxxxxxxxx> Hi, The patch set tries to fix the problems found when testing ringbuf by using 4KB and 2GB size. Patch 1 fixes the probe of ring buffer map on host with 64KB page (e.g., an ARM64 host). Patch 2 & 3 fix the overflow of length when mmaping 2GB kernel ringbuf or user ringbuf on libbpf. Patch 4 just reject the reservation with invalid size. Please check individual patch for details. And comments are always welcome. Hou Tao (4): libbpf: Adjust ring buffer size when probing ring buffer map libbpf: Handle size overflow for ringbuf mmap libbpf: Handle size overflow for user ringbuf mmap libbpf: Check the validity of size in user_ring_buffer__reserve() tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 2 ++ tools/lib/bpf/libbpf_probes.c | 2 +- tools/lib/bpf/ringbuf.c | 26 ++++++++++++++++++++++---- 4 files changed, 26 insertions(+), 6 deletions(-) -- 2.29.2
