Hi, On 10/25/2024 6:26 AM, Byeonguk Jeong wrote: > Hi Daniel, > > Okay, I will submit them in a series of patches. Btw, ASSERT_* macros > are not defined for map_tests. Should I add the definitions for them, > or just go with CHECK? For tests in map_tests, I think using CHECK() will be fine. > > Thanks, > Byeonguk > > On Thu, Oct 24, 2024 at 11:41:19AM +0200, Daniel Borkmann wrote: >> Hi Byeonguk, >> >> On 10/24/24 11:08 AM, Byeonguk Jeong wrote: >>> Add a test for out-of-bounds write in trie_get_next_key() when a full >>> path from root to leaf exists and bpf_map_get_next_key() is called >>> with the leaf node. It may crashes the kernel on failure, so please >>> run in a VM. >>> >>> Signed-off-by: Byeonguk Jeong <jungbu2855@xxxxxxxxx> >> Could you submit the fix + this selftest as a 2-patch series, otherwise BPF CI >> cannot test both in combination (pls make sure subject has [PATCH bpf] so that >> our CI adds this on top of the bpf tree). >> >> Right now the CI selftest build threw an error: >> >> /tmp/work/bpf/bpf/tools/testing/selftests/bpf/map_tests/lpm_trie_map_get_next_key.c: In function ‘test_lpm_trie_map_get_next_key’: >> /tmp/work/bpf/bpf/tools/testing/selftests/bpf/map_tests/lpm_trie_map_get_next_key.c:84:9: error: format not a string literal and no format arguments [-Werror=format-security] >> 84 | CHECK(map_fd == -1, "bpf_map_create(), error:%s\n", >> | ^~~~~ >> TEST-OBJ [test_maps] task_storage_map.test.o >> TEST-OBJ [test_progs] access_variable_array.test.o >> cc1: all warnings being treated as errors >> TEST-OBJ [test_progs] align.test.o >> TEST-OBJ [test_progs] arena_atomics.test.o >> make: *** [Makefile:765: /tmp/work/bpf/bpf/tools/testing/selftests/bpf/lpm_trie_map_get_next_key.test.o] Error 1 >> make: *** Waiting for unfinished jobs.... >> GEN-SKEL [test_progs-no_alu32] test_usdt.skel.h >> make: Leaving directory '/tmp/work/bpf/bpf/tools/testing/selftests/bpf' >> >> Also on quick glance, please use ASSERT_*() macros instead of CHECK() as the >> latter is deprecated. >> >> Thanks, >> Daniel > .