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authorLinus Torvalds <torvalds@linux-foundation.org>2025-08-01 17:13:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-08-01 17:13:26 -0700
commita6923c06a3b2e2c534ae28c53a7531e76cc95cfa (patch)
tree0d586b05229f891471650ee0765ced6f235e9bb4 /tools/lib
parentf4f346c3465949ebba80c6cc52cd8d2eeaa545fd (diff)
parentd8d2d9d12f141302aaec3ff9a3a8cbed4ac0546c (diff)
Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfHEADmaster
Pull bpf fixes from Alexei Starovoitov: - Fix kCFI failures in JITed BPF code on arm64 (Sami Tolvanen, Puranjay Mohan, Mark Rutland, Maxwell Bland) - Disallow tail calls between BPF programs that use different cgroup local storage maps to prevent out-of-bounds access (Daniel Borkmann) - Fix unaligned access in flow_dissector and netfilter BPF programs (Paul Chaignon) - Avoid possible use of uninitialized mod_len in libbpf (Achill Gilgenast) * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Test for unaligned flow_dissector ctx access bpf: Improve ctx access verifier error message bpf: Check netfilter ctx accesses are aligned bpf: Check flow_dissector ctx accesses are aligned arm64/cfi,bpf: Support kCFI + BPF on arm64 cfi: Move BPF CFI types and helpers to generic code cfi: add C CFI type macro libbpf: Avoid possible use of uninitialized mod_len bpf: Fix oob access in cgroup local storage bpf: Move cgroup iterator helpers to bpf.h bpf: Move bpf map owner out of common struct bpf: Add cookie object to bpf maps
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/bpf/libbpf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index e067cb5776bd..fb4d92c5c339 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -10096,7 +10096,7 @@ static int find_kernel_btf_id(struct bpf_object *obj, const char *attach_name,
enum bpf_attach_type attach_type,
int *btf_obj_fd, int *btf_type_id)
{
- int ret, i, mod_len;
+ int ret, i, mod_len = 0;
const char *fn_name, *mod_name = NULL;
fn_name = strchr(attach_name, ':');