This patch series enhances validation of pointer formatting to prevent same exact issue happening again, as it happen before in [0] and happened now. [0]: https://lkml.kernel.org/netdev/85a08645-453b-78ad-e401-55d2894fa64a@xxxxxxxxxxxxx/T/ Co-developed-by: Nikita Marushkin <hfggklm@xxxxxxxxx> Signed-off-by: Nikita Marushkin <hfggklm@xxxxxxxxx> Signed-off-by: Ilya Shchipletsov <rabbelkin@xxxxxxx> --- Changes in v2: - Added Reported-by for syzbot [Florent Revest] - Added negative tests for snprintf [Florent Revest] - Moved comment to first 'if' statement [Yonghong Song] - Link to v1: https://lore.kernel.org/bpf/9679a031-3858-4fef-bb8e-1cf436696095@xxxxxxx/ --- Ilya Shchipletsov (2): bpf: fix %p% runtime check in bpf_bprintf_prepare selftests/bpf: Add test cases for various pointer specifiers kernel/bpf/helpers.c | 13 +++++++++---- tools/testing/selftests/bpf/prog_tests/snprintf.c | 15 +++++++++++++++ 2 files changed, 24 insertions(+), 4 deletions(-) -- 2.43.0
