netdev - [PATCH V2 bpf-next 0/3] bpf: use 32bit safe version of u64

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Date:   Tue, 26 Oct 2021 14:41:30 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     "David S . Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        bpf <bpf@...r.kernel.org>
Subject: [PATCH V2 bpf-next 0/3] bpf: use 32bit safe version of u64_stats

From: Eric Dumazet <edumazet@...gle.com>

Two first patches fix bugs added in 5.1 and 5.5

Third patch replaces the u64 fields in struct bpf_prog_stats
with u64_stats_t ones to avoid possible sampling errors,
in case of load/store stearing.

Eric Dumazet (3):
  bpf: avoid races in __bpf_prog_run() for 32bit arches
  bpf: fixes possible race in update_prog_stats() for 32bit arches
  bpf: use u64_stats_t in struct bpf_prog_stats

 include/linux/filter.h  | 15 ++++++++-------
 kernel/bpf/syscall.c    | 18 ++++++++++++------
 kernel/bpf/trampoline.c | 12 +++++++-----
 3 files changed, 27 insertions(+), 18 deletions(-)

-- 
2.33.0.1079.g6e70778dc9-goog