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authorAtul Gupta <atul.gupta@chelsio.com>2019-01-18 07:56:21 +0300
committerDavid S. Miller <davem@davemloft.net>2019-01-22 22:30:54 +0300
commit76f7164d02d4c596b396fc2e868276d1db3c5e1e (patch)
treeeb03af48adc94fef9d954569052b45c21ba815c1 /drivers/crypto
parent63a6b3fee428aeb0288670fc061fa9559b5aca1b (diff)
downloadlinux-76f7164d02d4c596b396fc2e868276d1db3c5e1e.tar.xz
net/tls: free ctx in sock destruct
free tls context in sock destruct. close may not be the last call to free sock but force releasing the ctx in close will result in GPF when ctx referred again in tcp_done [ 515.330477] general protection fault: 0000 [#1] SMP PTI [ 515.330539] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.20.0-rc7+ #10 [ 515.330657] Hardware name: Supermicro X8ST3/X8ST3, BIOS 2.0b 11/07/2013 [ 515.330844] RIP: 0010:tls_hw_unhash+0xbf/0xd0 [ [ 515.332220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 515.332340] CR2: 00007fab32c55000 CR3: 000000009261e000 CR4: 00000000000006e0 [ 515.332519] Call Trace: [ 515.332632] <IRQ> [ 515.332793] tcp_set_state+0x5a/0x190 [ 515.332907] ? tcp_update_metrics+0xe3/0x350 [ 515.333023] tcp_done+0x31/0xd0 [ 515.333130] tcp_rcv_state_process+0xc27/0x111a [ 515.333242] ? __lock_is_held+0x4f/0x90 [ 515.333350] ? tcp_v4_do_rcv+0xaf/0x1e0 [ 515.333456] tcp_v4_do_rcv+0xaf/0x1e0 Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_cm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index 59b75299fcbc..2e11b0d6a9bb 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -24,6 +24,7 @@
#include <net/inet_common.h>
#include <net/tcp.h>
#include <net/dst.h>
+#include <net/tls.h>
#include "chtls.h"
#include "chtls_cm.h"
@@ -1015,6 +1016,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
{
struct inet_sock *newinet;
const struct iphdr *iph;
+ struct tls_context *ctx;
struct net_device *ndev;
struct chtls_sock *csk;
struct dst_entry *dst;
@@ -1063,6 +1065,8 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
oreq->ts_recent = PASS_OPEN_TID_G(ntohl(req->tos_stid));
sk_setup_caps(newsk, dst);
+ ctx = tls_get_ctx(lsk);
+ newsk->sk_destruct = ctx->sk_destruct;
csk->sk = newsk;
csk->passive_reap_next = oreq;
csk->tx_chan = cxgb4_port_chan(ndev);