summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-01 12:49:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-01 12:49:03 -0700
commit8cf9f2a29ff1265a392e5b2461c69a9e53b4539f (patch)
tree1787dc13f3708c1f836f532a2956cd3a02fa6a41 /kernel
parentb8a78bb4d103b3ea069c4831081cb1ba17062a4b (diff)
parente8a732d1bc3ac313e22249c13a153c3fe54aa577 (diff)
downloadlinux-8cf9f2a29ff1265a392e5b2461c69a9e53b4539f.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller: 1) Fix handling of pinned BPF map nodes in hash of maps, from Daniel Borkmann. 2) IPSEC ESP error paths leak memory, from Steffen Klassert. 3) We need an RCU grace period before freeing fib6_node objects, from Wei Wang. 4) Must check skb_put_padto() return value in HSR driver, from FLorian Fainelli. 5) Fix oops on PHY probe failure in ftgmac100 driver, from Andrew Jeffery. 6) Fix infinite loop in UDP queue when using SO_PEEK_OFF, from Eric Dumazet. 7) Use after free when tcf_chain_destroy() called multiple times, from Jiri Pirko. 8) Fix KSZ DSA tag layer multiple free of SKBS, from Florian Fainelli. 9) Fix leak of uninitialized memory in sctp_get_sctp_info(), inet_diag_msg_sctpladdrs_fill() and inet_diag_msg_sctpaddrs_fill(). From Stefano Brivio. 10) L2TP tunnel refcount fixes from Guillaume Nault. 11) Don't leak UDP secpath in udp_set_dev_scratch(), from Yossi Kauperman. 12) Revert a PHY layer change wrt. handling of PHY_HALTED state in phy_stop_machine(), it causes regressions for multiple people. From Florian Fainelli. 13) When packets are sent out of br0 we have to clear the offload_fwdq_mark value. 14) Several NULL pointer deref fixes in packet schedulers when their ->init() routine fails. From Nikolay Aleksandrov. 15) Aquantium devices cannot checksum offload correctly when the packet is <= 60 bytes. From Pavel Belous. 16) Fix vnet header access past end of buffer in AF_PACKET, from Benjamin Poirier. 17) Double free in probe error paths of nfp driver, from Dan Carpenter. 18) QOS capability not checked properly in DCB init paths of mlx5 driver, from Huy Nguyen. 19) Fix conflicts between firmware load failure and health_care timer in mlx5, also from Huy Nguyen. 20) Fix dangling page pointer when DMA mapping errors occur in mlx5, from Eran Ben ELisha. 21) ->ndo_setup_tc() in bnxt_en driver doesn't count rings properly, from Michael Chan. 22) Missing MSIX vector free in bnxt_en, also from Michael Chan. 23) Refcount leak in xfrm layer when using sk_policy, from Lorenzo Colitti. 24) Fix copy of uninitialized data in qlge driver, from Arnd Bergmann. 25) bpf_setsockopts() erroneously always returns -EINVAL even on success. Fix from Yuchung Cheng. 26) tipc_rcv() needs to linearize the SKB before parsing the inner headers, from Parthasarathy Bhuvaragan. 27) Fix deadlock between link status updates and link removal in netvsc driver, from Stephen Hemminger. 28) Missed locking of page fragment handling in ESP output, from Steffen Klassert. 29) Fix refcnt leak in ebpf congestion control code, from Sabrina Dubroca. 30) sxgbe_probe_config_dt() doesn't check devm_kzalloc()'s return value, from Christophe Jaillet. 31) Fix missing ipv6 rx_dst_cookie update when rx_dst is updated during early demux, from Paolo Abeni. 32) Several info leaks in xfrm_user layer, from Mathias Krause. 33) Fix out of bounds read in cxgb4 driver, from Stefano Brivio. 34) Properly propagate obsolete state of route upwards in ipv6 so that upper holders like xfrm can see it. From Xin Long. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (118 commits) udp: fix secpath leak bridge: switchdev: Clear forward mark when transmitting packet mlxsw: spectrum: Forbid linking to devices that have uppers wl1251: add a missing spin_lock_init() Revert "net: phy: Correctly process PHY_HALTED in phy_stop_machine()" net: dsa: bcm_sf2: Fix number of CFP entries for BCM7278 kcm: do not attach PF_KCM sockets to avoid deadlock sch_tbf: fix two null pointer dereferences on init failure sch_sfq: fix null pointer dereference on init failure sch_netem: avoid null pointer deref on init failure sch_fq_codel: avoid double free on init failure sch_cbq: fix null pointer dereferences on init failure sch_hfsc: fix null pointer deref and double free on init failure sch_hhf: fix null pointer dereference on init failure sch_multiq: fix double free on init failure sch_htb: fix crash on init failure net/mlx5e: Fix CQ moderation mode not set properly net/mlx5e: Fix inline header size for small packets net/mlx5: E-Switch, Unload the representors in the correct order net/mlx5e: Properly resolve TC offloaded ipv6 vxlan tunnel source address ...
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/hashtab.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 4fb463172aa8..d11c8181f4c5 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -652,12 +652,27 @@ static void pcpu_copy_value(struct bpf_htab *htab, void __percpu *pptr,
}
}
+static bool fd_htab_map_needs_adjust(const struct bpf_htab *htab)
+{
+ return htab->map.map_type == BPF_MAP_TYPE_HASH_OF_MAPS &&
+ BITS_PER_LONG == 64;
+}
+
+static u32 htab_size_value(const struct bpf_htab *htab, bool percpu)
+{
+ u32 size = htab->map.value_size;
+
+ if (percpu || fd_htab_map_needs_adjust(htab))
+ size = round_up(size, 8);
+ return size;
+}
+
static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
void *value, u32 key_size, u32 hash,
bool percpu, bool onallcpus,
struct htab_elem *old_elem)
{
- u32 size = htab->map.value_size;
+ u32 size = htab_size_value(htab, percpu);
bool prealloc = htab_is_prealloc(htab);
struct htab_elem *l_new, **pl_new;
void __percpu *pptr;
@@ -696,9 +711,6 @@ static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
memcpy(l_new->key, key, key_size);
if (percpu) {
- /* round up value_size to 8 bytes */
- size = round_up(size, 8);
-
if (prealloc) {
pptr = htab_elem_get_ptr(l_new, key_size);
} else {
@@ -1209,17 +1221,9 @@ const struct bpf_map_ops htab_lru_percpu_map_ops = {
static struct bpf_map *fd_htab_map_alloc(union bpf_attr *attr)
{
- struct bpf_map *map;
-
if (attr->value_size != sizeof(u32))
return ERR_PTR(-EINVAL);
-
- /* pointer is stored internally */
- attr->value_size = sizeof(void *);
- map = htab_map_alloc(attr);
- attr->value_size = sizeof(u32);
-
- return map;
+ return htab_map_alloc(attr);
}
static void fd_htab_map_free(struct bpf_map *map)