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| author | Eric Dumazet <edumazet@google.com> | 2019-06-06 14:32:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-22 08:18:25 +0200 |
| commit | 1777c35e8d475cc86854543134343a1ca4b6922b (patch) | |
| tree | 9fa99e0ba33fc725cf3c317f83590fbad0c24333 /net/lapb/lapb_iface.c | |
| parent | 6f057abd08d199ba61a9ceebb7cbb733ab996642 (diff) | |
ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero
[ Upstream commit 65a3c497c0e965a552008db8bc2653f62bc925a1 ]
Before taking a refcount, make sure the object is not already
scheduled for deletion.
Same fix is needed in ipv6_flowlabel_opt()
Fixes: 18367681a10b ("ipv6 flowlabel: Convert np->ipv6_fl_list to RCU.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions