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authorLinus Torvalds <torvalds@linux-foundation.org>2023-09-21 11:28:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-09-21 11:28:16 -0700
commit27bbf45eae9ca98877a2d52a92a188147cd61b07 (patch)
tree5d1a2a2124d725ed28b48224800754f1de3da270 /kernel/trace/bpf_trace.c
parentb5cbe7c00aa0f7a81ec40c007f81a3e9c84581e3 (diff)
parentecf4392600dd86fce54445b67a0e2995bf96ba51 (diff)
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Merge tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from netfilter and bpf. Current release - regressions: - bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE - netfilter: fix entries val in rule reset audit log - eth: stmmac: fix incorrect rxq|txq_stats reference Previous releases - regressions: - ipv4: fix null-deref in ipv4_link_failure - netfilter: - fix several GC related issues - fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP - eth: team: fix null-ptr-deref when team device type is changed - eth: i40e: fix VF VLAN offloading when port VLAN is configured - eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB Previous releases - always broken: - core: fix ETH_P_1588 flow dissector - mptcp: fix several connection hang-up conditions - bpf: - avoid deadlock when using queue and stack maps from NMI - add override check to kprobe multi link attach - hsr: properly parse HSRv1 supervisor frames. - eth: igc: fix infinite initialization loop with early XDP redirect - eth: octeon_ep: fix tx dma unmap len values in SG - eth: hns3: fix GRE checksum offload issue" * tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits) sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast() igc: Expose tx-usecs coalesce setting to user octeontx2-pf: Do xdp_do_flush() after redirects. bnxt_en: Flush XDP for bnxt_poll_nitroa0()'s NAPI net: ena: Flush XDP packets on error. net/handshake: Fix memory leak in __sock_create() and sock_alloc_file() net: hinic: Fix warning-hinic_set_vlan_fliter() warn: variable dereferenced before check 'hwdev' netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP netfilter: nf_tables: fix memleak when more than 255 elements expired netfilter: nf_tables: disable toggling dormant table state more than once vxlan: Add missing entries to vxlan_get_size() net: rds: Fix possible NULL-pointer dereference team: fix null-ptr-deref when team device type is changed net: bridge: use DEV_STATS_INC() net: hns3: add 5ms delay before clear firmware reset irq source net: hns3: fix fail to delete tc flower rules during reset issue net: hns3: only enable unicast promisc when mac table full net: hns3: fix GRE checksum offload issue net: hns3: add cmdq check for vf periodic service task net: stmmac: fix incorrect rxq|txq_stats reference ...
Diffstat (limited to 'kernel/trace/bpf_trace.c')
-rw-r--r--kernel/trace/bpf_trace.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index a7264b2c17ad..868008f56fec 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -2853,6 +2853,17 @@ static int get_modules_for_addrs(struct module ***mods, unsigned long *addrs, u3
return arr.mods_cnt;
}
+static int addrs_check_error_injection_list(unsigned long *addrs, u32 cnt)
+{
+ u32 i;
+
+ for (i = 0; i < cnt; i++) {
+ if (!within_error_injection_list(addrs[i]))
+ return -EINVAL;
+ }
+ return 0;
+}
+
int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
{
struct bpf_kprobe_multi_link *link = NULL;
@@ -2930,6 +2941,11 @@ int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
goto error;
}
+ if (prog->kprobe_override && addrs_check_error_injection_list(addrs, cnt)) {
+ err = -EINVAL;
+ goto error;
+ }
+
link = kzalloc(sizeof(*link), GFP_KERNEL);
if (!link) {
err = -ENOMEM;
@@ -3207,8 +3223,10 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
rcu_read_lock();
task = get_pid_task(find_vpid(pid), PIDTYPE_PID);
rcu_read_unlock();
- if (!task)
+ if (!task) {
+ err = -ESRCH;
goto error_path_put;
+ }
}
err = -ENOMEM;