[src/trunk]: src/sys/netipsec Fix diagnostic assertion failure in ipsec_init_...

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ff502122a218
branches:  trunk
changeset: 823953:ff502122a218
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Tue May 16 07:25:57 2017 +0000

description:
Fix diagnostic assertion failure in ipsec_init_policy

  panic: kernel diagnostic assertion "!cpu_softintr_p()" failed: file "../../../../netipsec/ipsec.c", line 1277
  cpu7: Begin traceback...
  vpanic() at netbsd:vpanic+0x140
  ch_voltag_convert_in() at netbsd:ch_voltag_convert_in
  ipsec_init_policy() at netbsd:ipsec_init_policy+0x149
  in_pcballoc() at netbsd:in_pcballoc+0x1c5
  tcp_attach_wrapper() at netbsd:tcp_attach_wrapper+0x1e1
  sonewconn() at netbsd:sonewconn+0x1ea
  syn_cache_get() at netbsd:syn_cache_get+0x15f
  tcp_input() at netbsd:tcp_input+0x1689
  ipintr() at netbsd:ipintr+0xa88
  softint_dispatch() at netbsd:softint_dispatch+0xd3
  DDB lost frame for netbsd:Xsoftintr+0x4f, trying 0xfffffe811d337ff0
  Xsoftintr() at netbsd:Xsoftintr+0x4f

Reported by msaitoh@

diffstat:

 sys/netipsec/ipsec.c |  13 ++++++++-----
 sys/netipsec/key.c   |   9 +++++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diffs (74 lines):

diff -r 27a23306c52c -r ff502122a218 sys/netipsec/ipsec.c
--- a/sys/netipsec/ipsec.c      Tue May 16 06:16:35 2017 +0000
+++ b/sys/netipsec/ipsec.c      Tue May 16 07:25:57 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec.c,v 1.90 2017/05/16 03:05:28 ozaki-r Exp $       */
+/*     $NetBSD: ipsec.c,v 1.91 2017/05/16 07:25:57 ozaki-r Exp $       */
 /*     $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/netipsec/ipsec.c,v 1.2.2.2 2003/07/01 01:38:13 sam Exp $       */
 /*     $KAME: ipsec.c,v 1.103 2001/05/24 07:14:18 sakane Exp $ */
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.90 2017/05/16 03:05:28 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.91 2017/05/16 07:25:57 ozaki-r Exp $");
 
 /*
  * IPsec controller part.
@@ -1265,7 +1265,7 @@
 ipsec_delpcbpolicy(struct inpcbpolicy *p)
 {
 
-       kmem_free(p, sizeof(*p));
+       kmem_intr_free(p, sizeof(*p));
 }
 
 /* initialize policy in PCB */
@@ -1274,11 +1274,14 @@
 {
        struct inpcbpolicy *new;
 
-       KASSERT(!cpu_softintr_p());
        KASSERT(so != NULL);
        KASSERT(policy != NULL);
 
-       new = kmem_zalloc(sizeof(*new), KM_SLEEP);
+       new = kmem_intr_zalloc(sizeof(*new), KM_NOSLEEP);
+       if (new == NULL) {
+               ipseclog((LOG_DEBUG, "%s: No more memory.\n", __func__));
+               return ENOBUFS;
+       }
 
        if (IPSEC_PRIVILEGED_SO(so))
                new->priv = 1;
diff -r 27a23306c52c -r ff502122a218 sys/netipsec/key.c
--- a/sys/netipsec/key.c        Tue May 16 06:16:35 2017 +0000
+++ b/sys/netipsec/key.c        Tue May 16 07:25:57 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: key.c,v 1.127 2017/05/16 03:05:28 ozaki-r Exp $        */
+/*     $NetBSD: key.c,v 1.128 2017/05/16 07:25:57 ozaki-r Exp $        */
 /*     $FreeBSD: src/sys/netipsec/key.c,v 1.3.2.3 2004/02/14 22:23:23 bms Exp $        */
 /*     $KAME: key.c,v 1.191 2001/06/27 10:46:49 sakane Exp $   */
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.127 2017/05/16 03:05:28 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.128 2017/05/16 07:25:57 ozaki-r Exp $");
 
 /*
  * This code is referd to RFC 2367
@@ -1459,8 +1459,9 @@
 {
        struct secpolicy *newsp = NULL;
 
-       newsp = kmem_zalloc(sizeof(struct secpolicy), KM_SLEEP);
-       newsp->refcnt = 1;
+       newsp = kmem_intr_zalloc(sizeof(struct secpolicy), KM_NOSLEEP);
+       if (newsp != NULL)
+               newsp->refcnt = 1;
 
        KEYDEBUG_PRINTF(KEYDEBUG_IPSEC_STAMP,
            "DP from %s:%u return SP:%p\n", where, tag, newsp);