kernel.git/tools/testing/selftests/bpf/progs/task_ls_recursion.c, branch linux-5.17.y Hosts the 0x221E linux distro kernel. https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-5.17.y 2021-02-26T19:51:48Z selftests/bpf: Test deadlock from recursive bpf_task_storage_[get|delete] 2021-02-26T19:51:48Z Song Liu 2021-02-25T23:43:17Z urn:sha1:c540957a4d1d13934e93e53ce3056ac4108ffc29 Add a test with recursive bpf_task_storage_[get|delete] from fentry programs on bpf_local_storage_lookup and bpf_local_storage_update. Without proper deadlock prevent mechanism, this test would cause deadlock. Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210225234319.336131-5-songliubraving@fb.com