summaryrefslogtreecommitdiff
path: root/kernel/bpf/verifier.c
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
commit17eb8812917b10ce4146b5595f91d8e45bfe68cc (patch)
treef905aa6c71212f4b460e23ceaec98346b999066a /kernel/bpf/verifier.c
parent57610d69f909ea2ea072775c6ad64ba9fad590bb (diff)
parent23199d2aa6dcaf6dd2da772f93d2c94317d71459 (diff)
Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility updates for 6.18-rc1 from Shuah Khan: "Fixes incorrect return vale in cpupower_write_sysfs() error path and passing incorrect size to cpuidle_state_write_file() while writing status to disable file in cpuidle_state_disable()." * tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits) tools/cpupower: Fix incorrect size in cpuidle_state_disable() tools/cpupower: fix error return value in cpupower_write_sysfs() Linux 6.17-rc6 MAINTAINERS: Input: Drop melfas-mip4 section USB: core: remove the move buf action MAINTAINERS: Update the DMA Rust entry erofs: fix long xattr name prefix placement Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT libceph: fix invalid accesses to ceph_connection_v1_info PM: hibernate: Restrict GFP mask in hibernation_snapshot() MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change ...
Diffstat (limited to 'kernel/bpf/verifier.c')
-rw-r--r--kernel/bpf/verifier.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index c4f69a9e9af6..9fb1f957a093 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -8547,6 +8547,10 @@ static int process_timer_func(struct bpf_verifier_env *env, int regno,
verifier_bug(env, "Two map pointers in a timer helper");
return -EFAULT;
}
+ if (IS_ENABLED(CONFIG_PREEMPT_RT)) {
+ verbose(env, "bpf_timer cannot be used for PREEMPT_RT.\n");
+ return -EOPNOTSUPP;
+ }
meta->map_uid = reg->map_uid;
meta->map_ptr = map;
return 0;
@@ -11354,7 +11358,7 @@ static int get_helper_proto(struct bpf_verifier_env *env, int func_id,
return -EINVAL;
*ptr = env->ops->get_func_proto(func_id, env->prog);
- return *ptr ? 0 : -EINVAL;
+ return *ptr && (*ptr)->func ? 0 : -EINVAL;
}
static int check_helper_call(struct bpf_verifier_env *env, struct bpf_insn *insn,