Probes fixes for v6.8-rc4:

- tracing/probes: Fix BTF structure member finder to find the members
     which are placed after any anonymous union member correctly.
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Merge tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fix from Masami Hiramatsu:

 - tracing/probes: Fix BTF structure member finder to find the members
   which are placed after any anonymous union member correctly.

* tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/probes: Fix to search structure fields correctly
This commit is contained in:
Linus Torvalds 2024-02-17 07:59:47 -08:00
commit ad645dea35
1 changed files with 2 additions and 2 deletions

View File

@ -91,8 +91,8 @@ retry:
for_each_member(i, type, member) {
if (!member->name_off) {
/* Anonymous union/struct: push it for later use */
type = btf_type_skip_modifiers(btf, member->type, &tid);
if (type && top < BTF_ANON_STACK_MAX) {
if (btf_type_skip_modifiers(btf, member->type, &tid) &&
top < BTF_ANON_STACK_MAX) {
anon_stack[top].tid = tid;
anon_stack[top++].offset =
cur_offset + member->offset;