Re: [PATCH v3 bpf-next 00/13] BPF indirect jumps

Eduard Zingerman
2025-09-19T06:46:47Z

On Thu, 2025-09-18 at 09:38 +0000, Anton Protopopov wrote:
> This patchset implements a new type of map, instruction set, and uses
> it to build support for indirect branches in BPF (on x86). (The same
> map will be later used to provide support for indirect calls and static
> keys.) See [1], [2] for more context.

With this patch-set on top of the bpf-next at commit [1],
I get a KASAN bug report [2] when running `./test_progs -t tailcalls`.
Does not happen w/o this series applied.
Kernel is compiled with gcc 15.2.1, selftests are compiled with clang
20.1.8 (w/o gotox support).

[1] 3547a61ee2fe ("Merge branch 'update-kf_rcu_protected'")
[2] https://gist.github.com/eddyz87/8f82545db32223d8a80d2ca69a47bbc2 …