netdev - [RESEND PATCH] kernel: bpf: add releases() annotation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 16 Dec 2019 12:42:39 +0000
From:   Jules Irenge <jbi.octave@...il.com>
To:     bokun.feng@...il.com
Cc:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        songliubraving@...com, yhs@...com, andriin@...com,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jules Irenge <jbi.octave@...il.com>
Subject: [RESEND PATCH] kernel: bpf: add releases() annotation

Add sparse annotation to remove issue detected by sparse tool.
warning: context imbalance in __bpf_prog_exit - unexpected unlock

Signed-off-by: Jules Irenge <jbi.octave@...il.com>
---
 kernel/bpf/trampoline.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 7e89f1f49d77..fb43b7a57e38 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -213,6 +213,7 @@ u64 notrace __bpf_prog_enter(void)
 }
 
 void notrace __bpf_prog_exit(struct bpf_prog *prog, u64 start)
+	__releases(RCU)
 {
 	struct bpf_prog_stats *stats;
 
-- 
2.23.0