Hi Kumar, kernel test robot noticed the following build warnings: [auto build test WARNING on 7d0d673627e20cfa3b21a829a896ce03b58a4f1c] url: https://github.com/intel-lab-lkp/linux/commits/Kumar-Kartikeya-Dwivedi/bpf-Revert-bpf-Mark-raw_tp-arguments-with-PTR_MAYBE_NULL/20241211-100358 base: 7d0d673627e20cfa3b21a829a896ce03b58a4f1c patch link: https://lore.kernel.org/r/20241211020156.18966-4-memxor%40gmail.com patch subject: [PATCH bpf v1 3/4] bpf: Augment raw_tp arguments with PTR_MAYBE_NULL config: i386-randconfig-062-20241212 (https://download.01.org/0day-ci/archive/20241212/202412121921.xPnFS8u5-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241212/202412121921.xPnFS8u5-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412121921.xPnFS8u5-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> kernel/bpf/btf.c:6451:29: sparse: sparse: symbol 'raw_tp_null_args' was not declared. Should it be static? kernel/bpf/btf.c: note: in included file (through include/linux/bpf.h, include/linux/bpf_verifier.h): include/linux/bpfptr.h:65:40: sparse: sparse: cast to non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast from non-scalar vim +/raw_tp_null_args +6451 kernel/bpf/btf.c 6450 > 6451 struct bpf_raw_tp_null_args raw_tp_null_args[] = { 6452 /* sched */ 6453 RAW_TP_NULL_ARGS(sched_pi_setprio, NULL_ARG(2)), 6454 /* ... from sched_numa_pair_template event class */ 6455 RAW_TP_NULL_ARGS(sched_stick_numa, NULL_ARG(3)), 6456 RAW_TP_NULL_ARGS(sched_swap_numa, NULL_ARG(3)), 6457 /* afs */ 6458 RAW_TP_NULL_ARGS(afs_make_fs_call, NULL_ARG(2)), 6459 RAW_TP_NULL_ARGS(afs_make_fs_calli, NULL_ARG(2)), 6460 RAW_TP_NULL_ARGS(afs_make_fs_call1, NULL_ARG(2)), 6461 RAW_TP_NULL_ARGS(afs_make_fs_call2, NULL_ARG(2)), 6462 RAW_TP_NULL_ARGS(afs_protocol_error, NULL_ARG(1)), 6463 RAW_TP_NULL_ARGS(afs_flock_ev, NULL_ARG(2)), 6464 /* cachefiles */ 6465 RAW_TP_NULL_ARGS(cachefiles_lookup, NULL_ARG(1)), 6466 RAW_TP_NULL_ARGS(cachefiles_unlink, NULL_ARG(1)), 6467 RAW_TP_NULL_ARGS(cachefiles_rename, NULL_ARG(1)), 6468 RAW_TP_NULL_ARGS(cachefiles_prep_read, NULL_ARG(1)), 6469 RAW_TP_NULL_ARGS(cachefiles_mark_active, NULL_ARG(1)), 6470 RAW_TP_NULL_ARGS(cachefiles_mark_failed, NULL_ARG(1)), 6471 RAW_TP_NULL_ARGS(cachefiles_mark_inactive, NULL_ARG(1)), 6472 RAW_TP_NULL_ARGS(cachefiles_vfs_error, NULL_ARG(1)), 6473 RAW_TP_NULL_ARGS(cachefiles_io_error, NULL_ARG(1)), 6474 RAW_TP_NULL_ARGS(cachefiles_ondemand_open, NULL_ARG(1)), 6475 RAW_TP_NULL_ARGS(cachefiles_ondemand_copen, NULL_ARG(1)), 6476 RAW_TP_NULL_ARGS(cachefiles_ondemand_close, NULL_ARG(1)), 6477 RAW_TP_NULL_ARGS(cachefiles_ondemand_read, NULL_ARG(1)), 6478 RAW_TP_NULL_ARGS(cachefiles_ondemand_cread, NULL_ARG(1)), 6479 RAW_TP_NULL_ARGS(cachefiles_ondemand_fd_write, NULL_ARG(1)), 6480 RAW_TP_NULL_ARGS(cachefiles_ondemand_fd_release, NULL_ARG(1)), 6481 /* ext4, from ext4__mballoc event class */ 6482 RAW_TP_NULL_ARGS(ext4_mballoc_discard, NULL_ARG(2)), 6483 RAW_TP_NULL_ARGS(ext4_mballoc_free, NULL_ARG(2)), 6484 /* fib */ 6485 RAW_TP_NULL_ARGS(fib_table_lookup, NULL_ARG(3)), 6486 /* filelock */ 6487 /* ... from filelock_lock event class */ 6488 RAW_TP_NULL_ARGS(posix_lock_inode, NULL_ARG(2)), 6489 RAW_TP_NULL_ARGS(fcntl_setlk, NULL_ARG(2)), 6490 RAW_TP_NULL_ARGS(locks_remove_posix, NULL_ARG(2)), 6491 RAW_TP_NULL_ARGS(flock_lock_inode, NULL_ARG(2)), 6492 /* ... from filelock_lease event class */ 6493 RAW_TP_NULL_ARGS(break_lease_noblock, NULL_ARG(2)), 6494 RAW_TP_NULL_ARGS(break_lease_block, NULL_ARG(2)), 6495 RAW_TP_NULL_ARGS(break_lease_unblock, NULL_ARG(2)), 6496 RAW_TP_NULL_ARGS(generic_delete_lease, NULL_ARG(2)), 6497 RAW_TP_NULL_ARGS(time_out_leases, NULL_ARG(2)), 6498 /* host1x */ 6499 RAW_TP_NULL_ARGS(host1x_cdma_push_gather, NULL_ARG(5)), 6500 /* huge_memory */ 6501 RAW_TP_NULL_ARGS(mm_khugepaged_scan_pmd, NULL_ARG(2)), 6502 RAW_TP_NULL_ARGS(mm_collapse_huge_page_isolate, NULL_ARG(1)), 6503 RAW_TP_NULL_ARGS(mm_khugepaged_scan_file, NULL_ARG(2)), 6504 RAW_TP_NULL_ARGS(mm_khugepaged_collapse_file, NULL_ARG(2)), 6505 /* kmem */ 6506 RAW_TP_NULL_ARGS(mm_page_alloc, NULL_ARG(1)), 6507 RAW_TP_NULL_ARGS(mm_page_pcpu_drain, NULL_ARG(1)), 6508 /* .. from mm_page event class */ 6509 RAW_TP_NULL_ARGS(mm_page_alloc_zone_locked, NULL_ARG(1)), 6510 /* netfs */ 6511 RAW_TP_NULL_ARGS(netfs_failure, NULL_ARG(2)), 6512 /* power */ 6513 RAW_TP_NULL_ARGS(device_pm_callback_start, NULL_ARG(2)), 6514 /* qdisc */ 6515 RAW_TP_NULL_ARGS(qdisc_dequeue, NULL_ARG(4)), 6516 /* rxrpc */ 6517 RAW_TP_NULL_ARGS(rxrpc_recvdata, NULL_ARG(1)), 6518 RAW_TP_NULL_ARGS(rxrpc_resend, NULL_ARG(2)), 6519 /* sunrpc */ 6520 RAW_TP_NULL_ARGS(xs_stream_read_data, NULL_ARG(1)), 6521 /* tcp */ 6522 RAW_TP_NULL_ARGS(tcp_send_reset, NULL_ARG(1) | NULL_ARG(2)), 6523 /* tegra_apb_dma */ 6524 RAW_TP_NULL_ARGS(tegra_dma_tx_status, NULL_ARG(3)), 6525 /* timer_migration */ 6526 RAW_TP_NULL_ARGS(tmigr_update_events, NULL_ARG(1)), 6527 /* writeback, from writeback_folio_template event class */ 6528 RAW_TP_NULL_ARGS(writeback_dirty_folio, NULL_ARG(2)), 6529 RAW_TP_NULL_ARGS(folio_wait_writeback, NULL_ARG(2)), 6530 }; 6531 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
