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authorLinus Torvalds <torvalds@linux-foundation.org>2022-11-10 17:31:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-11-10 17:31:15 -0800
commit4bbf3422df78029f03161640dcb1e9d1ed64d1ea (patch)
tree7ede952650bcb2952a67e92ceed905687a188d55 /kernel
parent1767a722a708f1fa3b9af39eb091d79101f8c086 (diff)
parentabd5ac18ae661681fbacd8c9d0a577943da4c89e (diff)
Merge tag 'net-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, wifi, can and bpf. Current release - new code bugs: - can: af_can: can_exit(): add missing dev_remove_pack() of canxl_packet Previous releases - regressions: - bpf, sockmap: fix the sk->sk_forward_alloc warning - wifi: mac80211: fix general-protection-fault in ieee80211_subif_start_xmit() - can: af_can: fix NULL pointer dereference in can_rx_register() - can: dev: fix skb drop check, avoid o-o-b access - nfnetlink: fix potential dead lock in nfnetlink_rcv_msg() Previous releases - always broken: - bpf: fix wrong reg type conversion in release_reference() - gso: fix panic on frag_list with mixed head alloc types - wifi: brcmfmac: fix buffer overflow in brcmf_fweh_event_worker() - wifi: mac80211: set TWT Information Frame Disabled bit as 1 - eth: macsec offload related fixes, make sure to clear the keys from memory - tun: fix memory leaks in the use of napi_get_frags - tun: call napi_schedule_prep() to ensure we own a napi - tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent - ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network - tipc: fix a msg->req tlv length check - sctp: clear out_curr if all frag chunks of current msg are pruned, avoid list corruption - mctp: fix an error handling path in mctp_init(), avoid leaks" * tag 'net-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits) eth: sp7021: drop free_netdev() from spl2sw_init_netdev() MAINTAINERS: Move Vivien to CREDITS net: macvlan: fix memory leaks of macvlan_common_newlink ethernet: tundra: free irq when alloc ring failed in tsi108_open() net: mv643xx_eth: disable napi when init rxq or txq failed in mv643xx_eth_open() ethernet: s2io: disable napi when start nic failed in s2io_card_up() net: atlantic: macsec: clear encryption keys from the stack net: phy: mscc: macsec: clear encryption keys when freeing a flow stmmac: dwmac-loongson: fix missing of_node_put() while module exiting stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac_probe() stmmac: dwmac-loongson: fix missing pci_disable_msi() while module exiting cxgb4vf: shut down the adapter when t4vf_update_port_info() failed in cxgb4vf_open() mctp: Fix an error handling path in mctp_init() stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz net: cxgb3_main: disable napi when bind qsets failed in cxgb_up() net: cpsw: disable napi in cpsw_ndo_open() iavf: Fix VF driver counting VLAN 0 filters ice: Fix spurious interrupt during removal of trusted VF net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions net/mlx5e: E-Switch, Fix comparing termination table instance ...
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/verifier.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 7f0a9f6cb889..225666307bba 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1027,12 +1027,17 @@ out:
*/
static void *realloc_array(void *arr, size_t old_n, size_t new_n, size_t size)
{
+ void *new_arr;
+
if (!new_n || old_n == new_n)
goto out;
- arr = krealloc_array(arr, new_n, size, GFP_KERNEL);
- if (!arr)
+ new_arr = krealloc_array(arr, new_n, size, GFP_KERNEL);
+ if (!new_arr) {
+ kfree(arr);
return NULL;
+ }
+ arr = new_arr;
if (new_n > old_n)
memset(arr + old_n * size, 0, (new_n - old_n) * size);
@@ -6618,8 +6623,12 @@ static int release_reference(struct bpf_verifier_env *env,
return err;
bpf_for_each_reg_in_vstate(env->cur_state, state, reg, ({
- if (reg->ref_obj_id == ref_obj_id)
- __mark_reg_unknown(env, reg);
+ if (reg->ref_obj_id == ref_obj_id) {
+ if (!env->allow_ptr_leaks)
+ __mark_reg_not_init(env, reg);
+ else
+ __mark_reg_unknown(env, reg);
+ }
}));
return 0;