diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-03-16 01:10:08 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-03-17 08:52:05 +0000 |
| commit | fd53c297aa7b077ae98a3d3d2d3aa278a1686ba6 (patch) | |
| tree | 0a62bc12c8fee36cae0ff6ea93f82ea4ab6483cb /net/packet/diag.c | |
| parent | ee5675ecdf7a4e713ed21d98a70c2871d6ebed01 (diff) | |
net/packet: convert po->auxdata to an atomic flag
po->auxdata can be read while another thread
is changing its value, potentially raising KCSAN splat.
Convert it to PACKET_SOCK_AUXDATA flag.
Fixes: 8dc419447415 ("[PACKET]: Add optional checksum computation for recvmsg")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet/diag.c')
| -rw-r--r-- | net/packet/diag.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/diag.c b/net/packet/diag.c index e1ac9bb375b3..d704c7bf51b2 100644 --- a/net/packet/diag.c +++ b/net/packet/diag.c @@ -23,7 +23,7 @@ static int pdiag_put_info(const struct packet_sock *po, struct sk_buff *nlskb) pinfo.pdi_flags = 0; if (po->running) pinfo.pdi_flags |= PDI_RUNNING; - if (po->auxdata) + if (packet_sock_flag(po, PACKET_SOCK_AUXDATA)) pinfo.pdi_flags |= PDI_AUXDATA; if (packet_sock_flag(po, PACKET_SOCK_ORIGDEV)) pinfo.pdi_flags |= PDI_ORIGDEV; |