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authorThomas Gleixner <tglx@linutronix.de>2024-09-10 13:49:53 +0200
committerThomas Gleixner <tglx@linutronix.de>2024-09-10 13:49:53 +0200
commit2f7eedca6cecbfad52d5b52c1550066d9252c947 (patch)
treeffce8be3ceee2c845a951d11b99578ca468639a4 /kernel/bpf/btf.c
parenttreewide: Fix wrong singular form of jiffies in comments (diff)
parentLinux 6.11-rc7 (diff)
downloadlinux-2f7eedca6cecbfad52d5b52c1550066d9252c947.tar.xz
linux-2f7eedca6cecbfad52d5b52c1550066d9252c947.zip
Merge branch 'linus' into timers/core
To update with the latest fixes.
Diffstat (limited to 'kernel/bpf/btf.c')
-rw-r--r--kernel/bpf/btf.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 520f49f422fe..a4e4f8d43ecf 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -823,9 +823,11 @@ static bool btf_name_valid_section(const struct btf *btf, u32 offset)
const char *src = btf_str_by_offset(btf, offset);
const char *src_limit;
+ if (!*src)
+ return false;
+
/* set a limit on identifier length */
src_limit = src + KSYM_NAME_LEN;
- src++;
while (*src && src < src_limit) {
if (!isprint(*src))
return false;
@@ -6283,7 +6285,7 @@ static struct btf *btf_parse_module(const char *module_name, const void *data,
errout:
btf_verifier_env_free(env);
- if (base_btf != vmlinux_btf)
+ if (!IS_ERR(base_btf) && base_btf != vmlinux_btf)
btf_free(base_btf);
if (btf) {
kvfree(btf->data);