-Change all the source files and the corresponding headers to having matching sign comparisons.

Signed-off-by: Mehdi Ben Hadj Khelifa mehdi.benhadjkhelifa@gmail.com --- Changelog:

Changes since v1: - Fix CI failed builds where it failed due to do missing .c and .h files in my patch for working in mainline. https://lore.kernel.org/bpf/20250924162408.815137-1-mehdi.benhadjkhelifa@gma... --- tools/lib/bpf/usdt.bpf.h | 4 ++-- tools/testing/selftests/bpf/Makefile | 4 ++-- tools/testing/selftests/bpf/bpf_arena_htab.h | 2 +- tools/testing/selftests/bpf/progs/arena_list.c | 2 +- .../bpf/progs/bench_local_storage_create.c | 2 +- tools/testing/selftests/bpf/progs/bind_perm.c | 2 +- tools/testing/selftests/bpf/progs/bpf_cc_cubic.c | 2 +- tools/testing/selftests/bpf/progs/bpf_cubic.c | 8 ++++---- .../bpf/progs/bpf_iter_bpf_percpu_array_map.c | 2 +- .../selftests/bpf/progs/bpf_iter_task_stack.c | 2 +- .../testing/selftests/bpf/progs/bpf_iter_tasks.c | 3 ++- .../selftests/bpf/progs/bpf_iter_vma_offset.c | 4 ++-- .../testing/selftests/bpf/progs/bpf_qdisc_fifo.c | 2 +- tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c | 4 ++-- .../bpf/progs/cgroup_getset_retval_getsockopt.c | 6 +++--- .../selftests/bpf/progs/connect4_dropper.c | 2 +- .../selftests/bpf/progs/cpumask_success.c | 4 ++-- .../testing/selftests/bpf/progs/dynptr_success.c | 8 ++++---- tools/testing/selftests/bpf/progs/iters.c | 16 ++++++++-------- .../selftests/bpf/progs/kfunc_call_test.c | 2 +- tools/testing/selftests/bpf/progs/linked_list.c | 10 +++++----- tools/testing/selftests/bpf/progs/lsm.c | 2 +- .../testing/selftests/bpf/progs/map_in_map_btf.c | 2 +- tools/testing/selftests/bpf/progs/map_ptr_kern.c | 2 +- .../selftests/bpf/progs/mmap_inner_array.c | 2 +- .../testing/selftests/bpf/progs/mptcp_subflow.c | 2 +- .../selftests/bpf/progs/netif_receive_skb.c | 4 ++-- tools/testing/selftests/bpf/progs/profiler.inc.h | 6 +++--- .../testing/selftests/bpf/progs/rcu_read_lock.c | 4 ++-- .../bpf/progs/sk_storage_omem_uncharge.c | 6 +++--- .../selftests/bpf/progs/sockopt_inherit.c | 4 ++-- tools/testing/selftests/bpf/progs/sockopt_sk.c | 4 ++-- tools/testing/selftests/bpf/progs/strobemeta.h | 2 +- .../selftests/bpf/progs/task_local_data.bpf.h | 6 +++--- .../selftests/bpf/progs/test_bpf_cookie.c | 2 +- .../testing/selftests/bpf/progs/test_check_mtu.c | 4 ++-- .../selftests/bpf/progs/test_core_extern.c | 2 +- .../testing/selftests/bpf/progs/test_get_xattr.c | 4 ++-- .../selftests/bpf/progs/test_global_func11.c | 2 +- .../selftests/bpf/progs/test_global_func12.c | 2 +- .../selftests/bpf/progs/test_global_func13.c | 2 +- .../selftests/bpf/progs/test_global_func14.c | 2 +- .../selftests/bpf/progs/test_global_func9.c | 2 +- .../selftests/bpf/progs/test_lwt_seg6local.c | 4 ++-- .../testing/selftests/bpf/progs/test_map_init.c | 2 +- .../selftests/bpf/progs/test_parse_tcp_hdr_opt.c | 2 +- .../bpf/progs/test_parse_tcp_hdr_opt_dynptr.c | 2 +- .../selftests/bpf/progs/test_pkt_access.c | 6 +++--- .../testing/selftests/bpf/progs/test_seg6_loop.c | 4 ++-- tools/testing/selftests/bpf/progs/test_skb_ctx.c | 2 +- .../testing/selftests/bpf/progs/test_snprintf.c | 2 +- .../selftests/bpf/progs/test_sockmap_kern.h | 2 +- .../selftests/bpf/progs/test_sockmap_strp.c | 2 +- .../testing/selftests/bpf/progs/test_tc_tunnel.c | 2 +- tools/testing/selftests/bpf/progs/test_xdp.c | 2 +- .../selftests/bpf/progs/test_xdp_dynptr.c | 2 +- .../testing/selftests/bpf/progs/test_xdp_loop.c | 2 +- .../selftests/bpf/progs/test_xdp_noinline.c | 4 ++-- tools/testing/selftests/bpf/progs/udp_limit.c | 2 +- tools/testing/selftests/bpf/progs/uprobe_multi.c | 4 ++-- .../bpf/progs/uprobe_multi_session_recursive.c | 5 +++-- .../selftests/bpf/progs/verifier_arena_large.c | 4 ++-- .../bpf/progs/verifier_iterating_callbacks.c | 2 +- 63 files changed, 109 insertions(+), 107 deletions(-)

diff --git a/tools/lib/bpf/usdt.bpf.h b/tools/lib/bpf/usdt.bpf.h index 43deb05a5197..59095c7f5b65 100644 --- a/tools/lib/bpf/usdt.bpf.h +++ b/tools/lib/bpf/usdt.bpf.h @@ -148,7 +148,7 @@ int bpf_usdt_arg_size(struct pt_regs *ctx, __u64 arg_num) if (arg_num >= BPF_USDT_MAX_ARG_CNT) return -ENOENT; barrier_var(arg_num); - if (arg_num >= spec->arg_cnt) + if (arg_num >= (__u64)spec->arg_cnt) return -ENOENT;

arg_spec = &spec->args[arg_num]; @@ -184,7 +184,7 @@ int bpf_usdt_arg(struct pt_regs *ctx, __u64 arg_num, long *res) if (arg_num >= BPF_USDT_MAX_ARG_CNT) return -ENOENT; barrier_var(arg_num); - if (arg_num >= spec->arg_cnt) + if (arg_num >= (__u64)spec->arg_cnt) return -ENOENT;

arg_spec = &spec->args[arg_num]; diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 0b6ee902bce5..1b3c0c9388cc 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -453,8 +453,8 @@ BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ -I$(abspath $(OUTPUT)/../usr/include) \ -std=gnu11 \ -fno-strict-aliasing \ - -Wno-compare-distinct-pointer-types -# TODO: enable me -Wsign-compare + -Wno-compare-distinct-pointer-types \ + -Wsign-compare

CLANG_CFLAGS = $(CLANG_SYS_INCLUDES)

diff --git a/tools/testing/selftests/bpf/bpf_arena_htab.h b/tools/testing/selftests/bpf/bpf_arena_htab.h index acc01a876668..ad77514c3cb1 100644 --- a/tools/testing/selftests/bpf/bpf_arena_htab.h +++ b/tools/testing/selftests/bpf/bpf_arena_htab.h @@ -42,7 +42,7 @@ static hashtab_elem_t *lookup_elem_raw(arena_list_head_t *head, __u32 hash, int hashtab_elem_t *l;

list_for_each_entry(l, head, hash_node) - if (l->hash == hash && l->key == key) + if ((__u32)l->hash == hash && l->key == key) return l;

return NULL; diff --git a/tools/testing/selftests/bpf/progs/arena_list.c b/tools/testing/selftests/bpf/progs/arena_list.c index 3a2ddcacbea6..02676f77a4cf 100644 --- a/tools/testing/selftests/bpf/progs/arena_list.c +++ b/tools/testing/selftests/bpf/progs/arena_list.c @@ -50,7 +50,7 @@ int arena_list_add(void *ctx)

list_head = &global_head;

- for (i = zero; i < cnt && can_loop; i++) { + for (i = zero; i < (__u64)cnt && can_loop; i++) { struct elem __arena *n = bpf_alloc(sizeof(*n));

test_val++; diff --git a/tools/testing/selftests/bpf/progs/bench_local_storage_create.c b/tools/testing/selftests/bpf/progs/bench_local_storage_create.c index c8ec0d0368e4..2b23e59bc04a 100644 --- a/tools/testing/selftests/bpf/progs/bench_local_storage_create.c +++ b/tools/testing/selftests/bpf/progs/bench_local_storage_create.c @@ -44,7 +44,7 @@ int BPF_PROG(sched_process_fork, struct task_struct *parent, struct task_struct { struct storage *stg;

- if (parent->tgid != bench_pid) + if ((__u32)parent->tgid != bench_pid) return 0;

stg = bpf_task_storage_get(&task_storage_map, child, NULL, diff --git a/tools/testing/selftests/bpf/progs/bind_perm.c b/tools/testing/selftests/bpf/progs/bind_perm.c index 7bd2a027025d..e629909c97b6 100644 --- a/tools/testing/selftests/bpf/progs/bind_perm.c +++ b/tools/testing/selftests/bpf/progs/bind_perm.c @@ -7,7 +7,7 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_endian.h>

-static __always_inline int bind_prog(struct bpf_sock_addr *ctx, int family) +static __always_inline int bind_prog(struct bpf_sock_addr *ctx, __u32 family) { struct bpf_sock *sk;

diff --git a/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c index 4e51785e7606..76b4184713e2 100644 --- a/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c +++ b/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c @@ -91,7 +91,7 @@ static void tcp_cwnd_reduction(struct sock *sk, int newly_acked_sacked, (__u64)tp->snd_ssthresh * prr_delivered + tp->prior_cwnd - 1; sndcnt = (__u32)div64_u64(dividend, (__u64)tp->prior_cwnd) - tp->prr_out; } else { - sndcnt = max(prr_delivered - tp->prr_out, newly_acked_sacked); + sndcnt = max(prr_delivered - tp->prr_out, (__u32)newly_acked_sacked); if (flag & FLAG_SND_UNA_ADVANCED && !newly_lost) sndcnt++; sndcnt = min(delta, sndcnt); diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c index f089faa97ae6..100937488d2d 100644 --- a/tools/testing/selftests/bpf/progs/bpf_cubic.c +++ b/tools/testing/selftests/bpf/progs/bpf_cubic.c @@ -277,7 +277,7 @@ static void bictcp_update(struct bpf_bictcp *ca, __u32 cwnd, __u32 acked) ca->ack_cnt += acked; /* count the number of ACKed packets */

if (ca->last_cwnd == cwnd && - (__s32)(tcp_jiffies32 - ca->last_time) <= HZ / 32) + (__s32)(tcp_jiffies32 - ca->last_time) <= (__s32)HZ / 32) return;

/* The CUBIC function can update ca->cnt at most once per jiffy. @@ -474,7 +474,7 @@ static void hystart_update(struct sock *sk, __u32 delay) if (sk->sk_pacing_status == SK_PACING_NONE) threshold >>= 1;

- if ((__s32)(now - ca->round_start) > threshold) { + if ((__s32)(now - ca->round_start) > (__s32)threshold) { ca->found = 1; tp->snd_ssthresh = tp->snd_cwnd; } @@ -512,7 +512,7 @@ void BPF_PROG(bpf_cubic_acked, struct sock *sk, const struct ack_sample *sample) return;

/* Discard delay samples right after fast recovery */ - if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < HZ) + if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < (__s32)HZ) return;

delay = sample->rtt_us; @@ -525,7 +525,7 @@ void BPF_PROG(bpf_cubic_acked, struct sock *sk, const struct ack_sample *sample)

/* hystart triggers when cwnd is larger than some threshold */ if (!ca->found && tcp_in_slow_start(tp) && hystart && - tp->snd_cwnd >= hystart_low_window) + tp->snd_cwnd >= (__u32)hystart_low_window) hystart_update(sk, delay); }

diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c index 9fdea8cd4c6f..0baf00463f35 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c @@ -24,7 +24,7 @@ int dump_bpf_percpu_array_map(struct bpf_iter__bpf_map_elem *ctx) __u32 *key = ctx->key; void *pptr = ctx->value; __u32 step; - int i; + __u32 i;

if (key == (void *)0 || pptr == (void *)0) return 0; diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c index f5a309455490..647ec1aa0326 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c @@ -27,7 +27,7 @@ int dump_task_stack(struct bpf_iter__task *ctx) BPF_SEQ_PRINTF(seq, "pid: %8u num_entries: %8u\n", task->pid, retlen / SIZE_OF_ULONG); for (i = 0; i < MAX_STACK_TRACE_DEPTH; i++) { - if (retlen > i * SIZE_OF_ULONG) + if ((__u32)retlen > i * SIZE_OF_ULONG) BPF_SEQ_PRINTF(seq, "[<0>] %pB\n", (void *)entries[i]); } BPF_SEQ_PRINTF(seq, "\n"); diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_tasks.c b/tools/testing/selftests/bpf/progs/bpf_iter_tasks.c index 966ee5a7b066..704db7589565 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_tasks.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_tasks.c @@ -115,7 +115,8 @@ int dump_task_sleepable(struct bpf_iter__task *ctx) /* Same length as the string */ ret = bpf_copy_from_user_task_str((char *)task_str2, 10, user_ptr, task, 0); /* only need to do the task pid check once */ - if (bpf_strncmp(task_str2, 10, "test_data\0") != 0 || ret != 10 || task->tgid != pid) { + if (bpf_strncmp(task_str2, 10, "test_data\0") != 0 || ret != 10 || + (__u32)task->tgid != pid) { BPF_SEQ_PRINTF(seq, "%s\n", info); return 0; } diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c b/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c index 174298e122d3..d9088851babf 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c @@ -22,11 +22,11 @@ int get_vma_offset(struct bpf_iter__task_vma *ctx) if (task == NULL || vma == NULL) return 0;

- if (last_tgid != task->tgid) + if (last_tgid != (__u32)task->tgid) unique_tgid_cnt++; last_tgid = task->tgid;

- if (task->tgid != pid) + if ((__u32)task->tgid != pid) return 0;

if (vma->vm_start <= address && vma->vm_end > address) { diff --git a/tools/testing/selftests/bpf/progs/bpf_qdisc_fifo.c b/tools/testing/selftests/bpf/progs/bpf_qdisc_fifo.c index 1de2be3e370b..7a639dcb23a9 100644 --- a/tools/testing/selftests/bpf/progs/bpf_qdisc_fifo.c +++ b/tools/testing/selftests/bpf/progs/bpf_qdisc_fifo.c @@ -88,7 +88,7 @@ void BPF_PROG(bpf_fifo_reset, struct Qdisc *sch) { struct bpf_list_node *node; struct skb_node *skbn; - int i; + __u32 i;

bpf_for(i, 0, sch->q.qlen) { struct sk_buff *skb = NULL; diff --git a/tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c b/tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c index 1a3233a275c7..4f80164b5491 100644 --- a/tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c +++ b/tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c @@ -351,7 +351,7 @@ int BPF_PROG(bpf_fq_enqueue, struct sk_buff *skb, struct Qdisc *sch,

jiffies = bpf_jiffies64(); if ((s64)(jiffies - (flow_copy->age + q.flow_refill_delay)) > 0) { - if (flow_copy->credit < q.quantum) + if ((__u32)flow_copy->credit < q.quantum) flow_copy->credit = q.quantum; } flow_copy->age = 0; @@ -590,7 +590,7 @@ struct sk_buff *BPF_PROG(bpf_fq_dequeue, struct Qdisc *sch) { struct dequeue_nonprio_ctx cb_ctx = {}; struct sk_buff *skb = NULL; - int i; + __u32 i;

if (!sch->q.qlen) goto out; diff --git a/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c index 932b8ecd4ae3..854dae839f7f 100644 --- a/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c +++ b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c @@ -22,7 +22,7 @@ int get_retval(struct bpf_sockopt *ctx) __sync_fetch_and_add(&invocations, 1);

/* optval larger than PAGE_SIZE use kernel's buffer. */ - if (ctx->optlen > page_size) + if ((__u32)ctx->optlen > page_size) ctx->optlen = 0;

return 1; @@ -37,7 +37,7 @@ int set_eisconn(struct bpf_sockopt *ctx) assertion_error = 1;

/* optval larger than PAGE_SIZE use kernel's buffer. */ - if (ctx->optlen > page_size) + if ((__u32)ctx->optlen > page_size) ctx->optlen = 0;

return 1; @@ -51,7 +51,7 @@ int clear_retval(struct bpf_sockopt *ctx) ctx->retval = 0;

/* optval larger than PAGE_SIZE use kernel's buffer. */ - if (ctx->optlen > page_size) + if ((__u32)ctx->optlen > page_size) ctx->optlen = 0;

return 1; diff --git a/tools/testing/selftests/bpf/progs/connect4_dropper.c b/tools/testing/selftests/bpf/progs/connect4_dropper.c index a3819a5d09c8..0014f8de9d1c 100644 --- a/tools/testing/selftests/bpf/progs/connect4_dropper.c +++ b/tools/testing/selftests/bpf/progs/connect4_dropper.c @@ -20,7 +20,7 @@ int connect_v4_dropper(struct bpf_sock_addr *ctx) { if (ctx->type != SOCK_STREAM) return VERDICT_PROCEED; - if (ctx->user_port == bpf_htons(port)) + if (ctx->user_port == (__u32)bpf_htons(port)) return VERDICT_REJECT; return VERDICT_PROCEED; } diff --git a/tools/testing/selftests/bpf/progs/cpumask_success.c b/tools/testing/selftests/bpf/progs/cpumask_success.c index 0e04c31b91c0..c09e290fbdac 100644 --- a/tools/testing/selftests/bpf/progs/cpumask_success.c +++ b/tools/testing/selftests/bpf/progs/cpumask_success.c @@ -221,7 +221,7 @@ int BPF_PROG(test_first_firstzero_cpu, struct task_struct *task, u64 clone_flags if (!cpumask) return 0;

- if (bpf_cpumask_first(cast(cpumask)) < nr_cpus) { + if (bpf_cpumask_first(cast(cpumask)) < (__u32)nr_cpus) { err = 3; goto release_exit; } @@ -866,7 +866,7 @@ int BPF_PROG(test_populate, struct task_struct *task, u64 clone_flags) * access NR_CPUS, the upper bound for nr_cpus, so we infer * it from the size of cpumask_t. */ - if (nr_cpus < 0 || nr_cpus >= CPUMASK_TEST_MASKLEN * 8) { + if (nr_cpus < 0 || (__u32)nr_cpus >= CPUMASK_TEST_MASKLEN * 8) { err = 3; goto out; } diff --git a/tools/testing/selftests/bpf/progs/dynptr_success.c b/tools/testing/selftests/bpf/progs/dynptr_success.c index 127dea342e5a..149b9308105e 100644 --- a/tools/testing/selftests/bpf/progs/dynptr_success.c +++ b/tools/testing/selftests/bpf/progs/dynptr_success.c @@ -40,7 +40,7 @@ int test_read_write(void *ctx) char write_data[64] = "hello there, world!!"; char read_data[64] = {}; struct bpf_dynptr ptr; - int i; + __u32 i;

if (bpf_get_current_pid_tgid() >> 32 != pid) return 0; @@ -114,7 +114,7 @@ int test_dynptr_data(void *ctx) if (err) return 0;

- if (val != *(int *)data) + if ((int)val != *(int *)data) err = 5;

return 0; @@ -626,7 +626,7 @@ int BPF_PROG(test_dynptr_skb_tp_btf, void *skb, void *location)

static inline int bpf_memcmp(const char *a, const char *b, u32 size) { - int i; + __u32 i;

bpf_for(i, 0, size) { if (a[i] != b[i]) @@ -937,7 +937,7 @@ static __always_inline void test_dynptr_probe(void *ptr, bpf_read_dynptr_fn_t bp { char buf[sizeof(expected_str)]; struct bpf_dynptr ptr_buf; - int i; + __u32 i;

if (bpf_get_current_pid_tgid() >> 32 != pid) return; diff --git a/tools/testing/selftests/bpf/progs/iters.c b/tools/testing/selftests/bpf/progs/iters.c index 7dd92a303bf6..bb896fd7b364 100644 --- a/tools/testing/selftests/bpf/progs/iters.c +++ b/tools/testing/selftests/bpf/progs/iters.c @@ -369,7 +369,7 @@ SEC("raw_tp") __success int iter_array_fill(const void *ctx) { - int sum, i; + __u32 sum, i;

MY_PID_GUARD();

@@ -395,7 +395,7 @@ SEC("raw_tp") __success int iter_nested_iters(const void *ctx) { - int sum, row, col; + __u64 sum, row, col;

MY_PID_GUARD();

@@ -463,7 +463,7 @@ int iter_nested_deeply_iters(const void *ctx)

static __noinline void fill_inner_dimension(int row) { - int col; + __u64 col;

bpf_for(col, 0, ARRAY_SIZE(arr2d[0])) { arr2d[row][col] = row * col; @@ -472,7 +472,7 @@ static __noinline void fill_inner_dimension(int row)

static __noinline int sum_inner_dimension(int row) { - int sum = 0, col; + __u64 sum = 0, col;

bpf_for(col, 0, ARRAY_SIZE(arr2d[0])) { sum += arr2d[row][col]; @@ -487,7 +487,7 @@ SEC("raw_tp") __success int iter_subprog_iters(const void *ctx) { - int sum, row, col; + __u64 sum, row, col;

MY_PID_GUARD();

@@ -626,7 +626,7 @@ __success int iter_stack_array_loop(const void *ctx) { long arr1[16], arr2[16], sum = 0; - int i; + __u32 i;

MY_PID_GUARD();

@@ -663,7 +663,7 @@ static __noinline void fill(struct bpf_iter_num *it, int *arr, __u32 n, int mul)

while ((t = bpf_iter_num_next(it))) { i = *t; - if (i >= n) + if ((__u32)i >= n) break; arr[i] = i * mul; } @@ -1537,7 +1537,7 @@ int iter_arr_with_actual_elem_count(const void *ctx) { int i, n = loop_data.n, sum = 0;

- if (n > ARRAY_SIZE(loop_data.data)) + if ((__u64)n > ARRAY_SIZE(loop_data.data)) return 0;

bpf_for(i, 0, n) { diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test.c b/tools/testing/selftests/bpf/progs/kfunc_call_test.c index 8b86113a0126..c4e570662b54 100644 --- a/tools/testing/selftests/bpf/progs/kfunc_call_test.c +++ b/tools/testing/selftests/bpf/progs/kfunc_call_test.c @@ -108,7 +108,7 @@ int kfunc_syscall_test(struct syscall_test_args *args) { const long size = args->size;

- if (size > sizeof(args->data)) + if ((__u64)size > sizeof(args->data)) return -7; /* -E2BIG */

bpf_kfunc_call_test_mem_len_pass1(&args->data, sizeof(args->data)); diff --git a/tools/testing/selftests/bpf/progs/linked_list.c b/tools/testing/selftests/bpf/progs/linked_list.c index 421f40835acd..d817c8a483f3 100644 --- a/tools/testing/selftests/bpf/progs/linked_list.c +++ b/tools/testing/selftests/bpf/progs/linked_list.c @@ -110,7 +110,7 @@ int list_push_pop_multiple(struct bpf_spin_lock *lock, struct bpf_list_head *hea { struct bpf_list_node *n; struct foo *f[200], *pf; - int i; + __u64 i;

/* Loop following this check adds nodes 2-at-a-time in order to * validate multiple release_on_unlock release logic @@ -144,7 +144,7 @@ int list_push_pop_multiple(struct bpf_spin_lock *lock, struct bpf_list_head *hea if (!n) return 3; pf = container_of(n, struct foo, node2); - if (pf->data != (ARRAY_SIZE(f) - i - 1)) { + if ((__u64)pf->data != (ARRAY_SIZE(f) - i - 1)) { bpf_obj_drop(pf); return 4; } @@ -163,7 +163,7 @@ int list_push_pop_multiple(struct bpf_spin_lock *lock, struct bpf_list_head *hea if (!n) return 5; pf = container_of(n, struct foo, node2); - if (pf->data != i) { + if ((__u64)pf->data != i) { bpf_obj_drop(pf); return 6; } @@ -193,7 +193,7 @@ int list_in_list(struct bpf_spin_lock *lock, struct bpf_list_head *head, bool le struct bpf_list_node *n; struct bar *ba[8], *b; struct foo *f; - int i; + __u64 i;

f = bpf_obj_new(typeof(*f)); if (!f) @@ -238,7 +238,7 @@ int list_in_list(struct bpf_spin_lock *lock, struct bpf_list_head *head, bool le return 6; } b = container_of(n, struct bar, node); - if (b->data != i) { + if ((__u64)b->data != i) { bpf_obj_drop(f); bpf_obj_drop(b); return 7; diff --git a/tools/testing/selftests/bpf/progs/lsm.c b/tools/testing/selftests/bpf/progs/lsm.c index 0c13b7409947..bb6a4bb6e364 100644 --- a/tools/testing/selftests/bpf/progs/lsm.c +++ b/tools/testing/selftests/bpf/progs/lsm.c @@ -115,7 +115,7 @@ int BPF_PROG(test_void_hook, struct linux_binprm *bprm) __u32 key = 0; __u64 *value;

- if (monitored_pid == pid) + if ((__u32)monitored_pid == pid) bprm_count++;

bpf_copy_from_user(args, sizeof(args), (void *)bprm->vma->vm_mm->arg_start); diff --git a/tools/testing/selftests/bpf/progs/map_in_map_btf.c b/tools/testing/selftests/bpf/progs/map_in_map_btf.c index 7a1336d7b16a..719368217fe8 100644 --- a/tools/testing/selftests/bpf/progs/map_in_map_btf.c +++ b/tools/testing/selftests/bpf/progs/map_in_map_btf.c @@ -49,7 +49,7 @@ int add_to_list_in_inner_array(void *ctx) struct bpf_map *map; int zero = 0;

- if (done || (u32)bpf_get_current_pid_tgid() != pid) + if (done || (__u32)bpf_get_current_pid_tgid() != (__u32)pid) return 0;

map = bpf_map_lookup_elem(&outer_array, &zero); diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c index efaf622c28dd..310526d06233 100644 --- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c +++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c @@ -148,7 +148,7 @@ static inline int check_array(void) { struct bpf_array *array = (struct bpf_array *)&m_array; struct bpf_map *map = (struct bpf_map *)&m_array; - int i, n_lookups = 0, n_keys = 0; + __u32 i, n_lookups = 0, n_keys = 0;

VERIFY(check_default(&array->map, map));

diff --git a/tools/testing/selftests/bpf/progs/mmap_inner_array.c b/tools/testing/selftests/bpf/progs/mmap_inner_array.c index 90aacbc2938a..90e31cf3a4d3 100644 --- a/tools/testing/selftests/bpf/progs/mmap_inner_array.c +++ b/tools/testing/selftests/bpf/progs/mmap_inner_array.c @@ -38,7 +38,7 @@ int add_to_list_in_inner_array(void *ctx) __u64 *value;

curr_pid = (u32)bpf_get_current_pid_tgid(); - if (done || curr_pid != pid) + if (done || curr_pid != (__u32)pid) return 0;

pid_match = true; diff --git a/tools/testing/selftests/bpf/progs/mptcp_subflow.c b/tools/testing/selftests/bpf/progs/mptcp_subflow.c index 70302477e326..8af5c2dfc08c 100644 --- a/tools/testing/selftests/bpf/progs/mptcp_subflow.c +++ b/tools/testing/selftests/bpf/progs/mptcp_subflow.c @@ -63,7 +63,7 @@ int mptcp_subflow(struct bpf_sock_ops *skops) static int _check_getsockopt_subflow_mark(struct mptcp_sock *msk, struct bpf_sockopt *ctx) { struct mptcp_subflow_context *subflow; - int i = 0; + __u32 i = 0;

mptcp_for_each_subflow(msk, subflow) { struct sock *ssk; diff --git a/tools/testing/selftests/bpf/progs/netif_receive_skb.c b/tools/testing/selftests/bpf/progs/netif_receive_skb.c index 9e067dcbf607..920b884eef01 100644 --- a/tools/testing/selftests/bpf/progs/netif_receive_skb.c +++ b/tools/testing/selftests/bpf/progs/netif_receive_skb.c @@ -35,7 +35,7 @@ static int __strncmp(const void *m1, const void *m2, size_t len) { const unsigned char *s1 = m1; const unsigned char *s2 = m2; - int i, delta = 0; + size_t i, delta = 0;

for (i = 0; i < len; i++) { delta = s1[i] - s2[i]; @@ -107,7 +107,7 @@ int BPF_PROG(trace_netif_receive_skb, struct sk_buff *skb) /* Ensure we can write skb string representation */ p.type_id = bpf_core_type_id_kernel(struct sk_buff); p.ptr = skb; - for (i = 0; i < ARRAY_SIZE(flags); i++) { + for (i = 0; (size_t)i < ARRAY_SIZE(flags); i++) { ++num_subtests; ret = bpf_snprintf_btf(str, STRSIZE, &p, sizeof(p), 0); if (ret < 0) diff --git a/tools/testing/selftests/bpf/progs/profiler.inc.h b/tools/testing/selftests/bpf/progs/profiler.inc.h index 813143b4985d..f664f5915169 100644 --- a/tools/testing/selftests/bpf/progs/profiler.inc.h +++ b/tools/testing/selftests/bpf/progs/profiler.inc.h @@ -169,7 +169,7 @@ static INLINE int get_var_spid_index(struct var_kill_data_arr_t* arr_struct, #ifdef UNROLL __pragma_loop_unroll #endif - for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++) + for (size_t i = 0; i < ARRAY_SIZE(arr_struct->array); i++) if (arr_struct->array[i].meta.pid == spid) return i; return -1; @@ -402,7 +402,7 @@ static INLINE int trace_var_sys_kill(void* ctx, int tpid, int sig) #ifdef UNROLL __pragma_loop_unroll #endif - for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++) + for (size_t i = 0; i < ARRAY_SIZE(arr_struct->array); i++) if (arr_struct->array[i].meta.pid == 0) { bpf_probe_read_kernel(&arr_struct->array[i], sizeof(arr_struct->array[i]), @@ -629,7 +629,7 @@ int raw_tracepoint__sched_process_exit(void* ctx) #ifdef UNROLL __pragma_loop_unroll #endif - for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++) { + for (size_t i = 0; i < ARRAY_SIZE(arr_struct->array); i++) { struct var_kill_data_t* past_kill_data = &arr_struct->array[i];

if (past_kill_data != NULL && past_kill_data->kill_target_pid == (pid_t)tpid) { diff --git a/tools/testing/selftests/bpf/progs/rcu_read_lock.c b/tools/testing/selftests/bpf/progs/rcu_read_lock.c index 3a868a199349..38fa039f586b 100644 --- a/tools/testing/selftests/bpf/progs/rcu_read_lock.c +++ b/tools/testing/selftests/bpf/progs/rcu_read_lock.c @@ -34,7 +34,7 @@ int get_cgroup_id(void *ctx) struct css_set *cgroups;

task = bpf_get_current_task_btf(); - if (task->pid != target_pid) + if ((__u32)task->pid != target_pid) return 0;

/* simulate bpf_get_current_cgroup_id() helper */ @@ -56,7 +56,7 @@ int task_succ(void *ctx) long *ptr;

task = bpf_get_current_task_btf(); - if (task->pid != target_pid) + if ((__u32)task->pid != target_pid) return 0;

bpf_rcu_read_lock(); diff --git a/tools/testing/selftests/bpf/progs/sk_storage_omem_uncharge.c b/tools/testing/selftests/bpf/progs/sk_storage_omem_uncharge.c index 46d6eb2a3b17..2df842c7e9ed 100644 --- a/tools/testing/selftests/bpf/progs/sk_storage_omem_uncharge.c +++ b/tools/testing/selftests/bpf/progs/sk_storage_omem_uncharge.c @@ -28,7 +28,7 @@ int BPF_PROG(bpf_local_storage_destroy, struct bpf_local_storage *local_storage) return 0;

sk = bpf_core_cast(sk_ptr, struct sock); - if (sk->sk_cookie.counter != cookie) + if ((__u64)sk->sk_cookie.counter != cookie) return 0;

cookie_found++; @@ -43,11 +43,11 @@ int BPF_PROG(inet6_sock_destruct, struct sock *sk) { int *value;

- if (!cookie || sk->sk_cookie.counter != cookie) + if (!cookie || (__u64)sk->sk_cookie.counter != cookie) return 0;

value = bpf_sk_storage_get(&sk_storage, sk, 0, 0); - if (value && *value == 0xdeadbeef) { + if (value && (__u32)*value == 0xdeadbeef) { cookie_found++; sk_ptr = sk; local_storage_ptr = sk->sk_bpf_storage; diff --git a/tools/testing/selftests/bpf/progs/sockopt_inherit.c b/tools/testing/selftests/bpf/progs/sockopt_inherit.c index a3434b840928..9f15752af34b 100644 --- a/tools/testing/selftests/bpf/progs/sockopt_inherit.c +++ b/tools/testing/selftests/bpf/progs/sockopt_inherit.c @@ -56,7 +56,7 @@ int _getsockopt(struct bpf_sockopt *ctx) struct sockopt_inherit *storage; __u8 *optval = ctx->optval;

- if (ctx->level != SOL_CUSTOM) + if (ctx->level != (__s32)SOL_CUSTOM) goto out; /* only interested in SOL_CUSTOM */

if (optval + 1 > optval_end) @@ -87,7 +87,7 @@ int _setsockopt(struct bpf_sockopt *ctx) struct sockopt_inherit *storage; __u8 *optval = ctx->optval;

- if (ctx->level != SOL_CUSTOM) + if (ctx->level != (__s32)SOL_CUSTOM) goto out; /* only interested in SOL_CUSTOM */

if (optval + 1 > optval_end) diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c index cb990a7d3d45..f08529dfb2cb 100644 --- a/tools/testing/selftests/bpf/progs/sockopt_sk.c +++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c @@ -107,7 +107,7 @@ int _getsockopt(struct bpf_sockopt *ctx) return 1; }

- if (ctx->level != SOL_CUSTOM) + if (ctx->level != (__s32)SOL_CUSTOM) return 0; /* deny everything except custom level */

if (optval + 1 > optval_end) @@ -212,7 +212,7 @@ int _setsockopt(struct bpf_sockopt *ctx) return 1; }

- if (ctx->level != SOL_CUSTOM) + if (ctx->level != (__s32)SOL_CUSTOM) return 0; /* deny everything except custom level */

if (optval + 1 > optval_end) diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h index a5c74d31a244..36b4e82abae2 100644 --- a/tools/testing/selftests/bpf/progs/strobemeta.h +++ b/tools/testing/selftests/bpf/progs/strobemeta.h @@ -409,7 +409,7 @@ static __always_inline uint64_t read_map_var(struct strobemeta_cfg *cfg,

descr->id = map.id; descr->cnt = map.cnt; - if (cfg->req_meta_idx == idx) { + if (cfg->req_meta_idx == (__s64)idx) { data->req_id = map.id; data->req_meta_valid = 1; } diff --git a/tools/testing/selftests/bpf/progs/task_local_data.bpf.h b/tools/testing/selftests/bpf/progs/task_local_data.bpf.h index 432fff2af844..51a958d04aa7 100644 --- a/tools/testing/selftests/bpf/progs/task_local_data.bpf.h +++ b/tools/testing/selftests/bpf/progs/task_local_data.bpf.h @@ -181,7 +181,7 @@ static int __tld_fetch_key(struct tld_object *tld_obj, const char *name, int i_s metadata = tld_obj->data_map->meta->metadata;

bpf_for(i, 0, cnt) { - if (i >= TLD_MAX_DATA_CNT) + if ((__u32)i >= TLD_MAX_DATA_CNT) break;

if (i >= i_start && !bpf_strncmp(metadata[i].name, TLD_NAME_LEN, name)) @@ -214,7 +214,7 @@ static int __tld_fetch_key(struct tld_object *tld_obj, const char *name, int i_s if (likely(_data)) { \ if (likely(off > 0)) { \ barrier_var(off); \ - if (likely(off < __PAGE_SIZE - size)) \ + if (likely((size_t)off < __PAGE_SIZE - size)) \ data = _data + off; \ } else { \ cnt = -(off); \ @@ -223,7 +223,7 @@ static int __tld_fetch_key(struct tld_object *tld_obj, const char *name, int i_s off = __tld_fetch_key(tld_obj, name, cnt); \ (tld_obj)->key_map->key.off = off; \ \ - if (likely(off < __PAGE_SIZE - size)) { \ + if (likely((size_t)off < __PAGE_SIZE - size)) { \ barrier_var(off); \ if (off > 0) \ data = _data + off; \ diff --git a/tools/testing/selftests/bpf/progs/test_bpf_cookie.c b/tools/testing/selftests/bpf/progs/test_bpf_cookie.c index c83142b55f47..47e80864b6b8 100644 --- a/tools/testing/selftests/bpf/progs/test_bpf_cookie.c +++ b/tools/testing/selftests/bpf/progs/test_bpf_cookie.c @@ -6,7 +6,7 @@ #include <bpf/bpf_tracing.h> #include <errno.h>

-int my_tid; +__u32 my_tid;

__u64 kprobe_res; __u64 kprobe_multi_res; diff --git a/tools/testing/selftests/bpf/progs/test_check_mtu.c b/tools/testing/selftests/bpf/progs/test_check_mtu.c index 2ec1de11a3ae..246caea8124f 100644 --- a/tools/testing/selftests/bpf/progs/test_check_mtu.c +++ b/tools/testing/selftests/bpf/progs/test_check_mtu.c @@ -47,7 +47,7 @@ int xdp_use_helper(struct xdp_md *ctx) goto out; }

- if (mtu_len != GLOBAL_USER_MTU) + if (mtu_len != (__u32)GLOBAL_USER_MTU) retval = XDP_DROP;

out: @@ -165,7 +165,7 @@ int tc_use_helper(struct __sk_buff *ctx) goto out; }

- if (mtu_len != GLOBAL_USER_MTU) + if (mtu_len != (__u32)GLOBAL_USER_MTU) retval = BPF_REDIRECT; out: global_bpf_mtu_tc = mtu_len; diff --git a/tools/testing/selftests/bpf/progs/test_core_extern.c b/tools/testing/selftests/bpf/progs/test_core_extern.c index a3c7c1042f35..4eae1eb885f1 100644 --- a/tools/testing/selftests/bpf/progs/test_core_extern.c +++ b/tools/testing/selftests/bpf/progs/test_core_extern.c @@ -37,7 +37,7 @@ uint64_t missing_val = -1; SEC("raw_tp/sys_enter") int handle_sys_enter(struct pt_regs *ctx) { - int i; + __u32 i;

kern_ver = LINUX_KERNEL_VERSION; unkn_virt_val = LINUX_UNKNOWN_VIRTUAL_EXTERN; diff --git a/tools/testing/selftests/bpf/progs/test_get_xattr.c b/tools/testing/selftests/bpf/progs/test_get_xattr.c index 54305f4c9f2d..3cda9379a62a 100644 --- a/tools/testing/selftests/bpf/progs/test_get_xattr.c +++ b/tools/testing/selftests/bpf/progs/test_get_xattr.c @@ -42,7 +42,7 @@ int BPF_PROG(test_file_open, struct file *f)

bpf_dynptr_from_mem(value1, sizeof(value1), 0, &value_ptr);

- for (i = 0; i < ARRAY_SIZE(xattr_names); i++) { + for (i = 0; (__u32)i < ARRAY_SIZE(xattr_names); i++) { ret = bpf_get_file_xattr(f, xattr_names[i], &value_ptr); if (ret == sizeof(expected_value)) break; @@ -68,7 +68,7 @@ int BPF_PROG(test_inode_getxattr, struct dentry *dentry, char *name)

bpf_dynptr_from_mem(value2, sizeof(value2), 0, &value_ptr);

- for (i = 0; i < ARRAY_SIZE(xattr_names); i++) { + for (i = 0; (__u32)i < ARRAY_SIZE(xattr_names); i++) { ret = bpf_get_dentry_xattr(dentry, xattr_names[i], &value_ptr); if (ret == sizeof(expected_value)) break; diff --git a/tools/testing/selftests/bpf/progs/test_global_func11.c b/tools/testing/selftests/bpf/progs/test_global_func11.c index 283e036dc401..2ad72bf0e07b 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func11.c +++ b/tools/testing/selftests/bpf/progs/test_global_func11.c @@ -5,7 +5,7 @@ #include "bpf_misc.h"

struct S { - int x; + __u32 x; };

__noinline int foo(const struct S *s) diff --git a/tools/testing/selftests/bpf/progs/test_global_func12.c b/tools/testing/selftests/bpf/progs/test_global_func12.c index 6e03d42519a6..53eab8ec6772 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func12.c +++ b/tools/testing/selftests/bpf/progs/test_global_func12.c @@ -5,7 +5,7 @@ #include "bpf_misc.h"

struct S { - int x; + __u32 x; };

__noinline int foo(const struct S *s) diff --git a/tools/testing/selftests/bpf/progs/test_global_func13.c b/tools/testing/selftests/bpf/progs/test_global_func13.c index 02ea80da75b5..c4afdfc9d92e 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func13.c +++ b/tools/testing/selftests/bpf/progs/test_global_func13.c @@ -5,7 +5,7 @@ #include "bpf_misc.h"

struct S { - int x; + __u32 x; };

__noinline int foo(const struct S *s) diff --git a/tools/testing/selftests/bpf/progs/test_global_func14.c b/tools/testing/selftests/bpf/progs/test_global_func14.c index 33b7d5efd7b2..9c494fb39e2f 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func14.c +++ b/tools/testing/selftests/bpf/progs/test_global_func14.c @@ -9,7 +9,7 @@ struct S; __noinline int foo(const struct S *s) { if (s) - return bpf_get_prandom_u32() < *(const int *) s; + return bpf_get_prandom_u32() < *(const __u32 *) s;

return 0; } diff --git a/tools/testing/selftests/bpf/progs/test_global_func9.c b/tools/testing/selftests/bpf/progs/test_global_func9.c index 1f2cb0159b8d..9138d9bd08fc 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func9.c +++ b/tools/testing/selftests/bpf/progs/test_global_func9.c @@ -5,7 +5,7 @@ #include "bpf_misc.h"

struct S { - int x; + __u32 x; };

struct C { diff --git a/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c index fed66f36adb6..976af2d3cdda 100644 --- a/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c +++ b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c @@ -167,7 +167,7 @@ int is_valid_tlv_boundary(struct __sk_buff *skb, struct ip6_srh_t *srh, if (*pad_off == 0) *pad_off = cur_off;

- if (*tlv_off == -1) + if (*tlv_off == (__u32)-1) *tlv_off = cur_off; else if (!offset_valid) return -EINVAL; @@ -186,7 +186,7 @@ int add_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh, uint32_t tlv_off, uint32_t partial_srh_len; int err;

- if (tlv_off != -1) + if (tlv_off != (__u32)-1) tlv_off += srh_off;

if (itlv->type == SR6_TLV_PADDING || itlv->type == SR6_TLV_HMAC) diff --git a/tools/testing/selftests/bpf/progs/test_map_init.c b/tools/testing/selftests/bpf/progs/test_map_init.c index c89d28ead673..311e6ac64588 100644 --- a/tools/testing/selftests/bpf/progs/test_map_init.c +++ b/tools/testing/selftests/bpf/progs/test_map_init.c @@ -22,7 +22,7 @@ int sysenter_getpgid(const void *ctx) /* Just do it for once, when called from our own test prog. This * ensures the map value is only updated for a single CPU. */ - int cur_pid = bpf_get_current_pid_tgid() >> 32; + __u32 cur_pid = bpf_get_current_pid_tgid() >> 32;

if (cur_pid == inPid) bpf_map_update_elem(&hashmap1, &inKey, &inValue, BPF_NOEXIST); diff --git a/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt.c b/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt.c index d9b2ba7ac340..4b8ab8716246 100644 --- a/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt.c +++ b/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt.c @@ -102,7 +102,7 @@ int xdp_ingress_v6(struct xdp_md *xdp) opt_state.byte_offset = sizeof(struct tcphdr) + tcp_offset;

/* max number of bytes of options in tcp header is 40 bytes */ - for (int i = 0; i < tcp_hdr_opt_max_opt_checks; i++) { + for (__u32 i = 0; i < tcp_hdr_opt_max_opt_checks; i++) { err = parse_hdr_opt(xdp, &opt_state);

if (err || !opt_state.hdr_bytes_remaining) diff --git a/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt_dynptr.c b/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt_dynptr.c index dc6e43bc6a62..bf3ac5c2938c 100644 --- a/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt_dynptr.c +++ b/tools/testing/selftests/bpf/progs/test_parse_tcp_hdr_opt_dynptr.c @@ -100,7 +100,7 @@ int xdp_ingress_v6(struct xdp_md *xdp) off += sizeof(struct tcphdr);

/* max number of bytes of options in tcp header is 40 bytes */ - for (int i = 0; i < tcp_hdr_opt_max_opt_checks; i++) { + for (__u32 i = 0; i < tcp_hdr_opt_max_opt_checks; i++) { err = parse_hdr_opt(&ptr, &off, &hdr_bytes_remaining, &server_id);

if (err || !hdr_bytes_remaining) diff --git a/tools/testing/selftests/bpf/progs/test_pkt_access.c b/tools/testing/selftests/bpf/progs/test_pkt_access.c index bce7173152c6..39b5a5ba9033 100644 --- a/tools/testing/selftests/bpf/progs/test_pkt_access.c +++ b/tools/testing/selftests/bpf/progs/test_pkt_access.c @@ -130,11 +130,11 @@ int test_pkt_access(struct __sk_buff *skb) tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); }

- if (test_pkt_access_subprog1(skb) != skb->len * 2) + if ((__u32)test_pkt_access_subprog1(skb) != skb->len * 2) return TC_ACT_SHOT; - if (test_pkt_access_subprog2(2, skb) != skb->len * 2) + if ((__u32)test_pkt_access_subprog2(2, skb) != skb->len * 2) return TC_ACT_SHOT; - if (test_pkt_access_subprog3(3, skb) != skb->len * 3 * skb->ifindex) + if ((__u32)test_pkt_access_subprog3(3, skb) != skb->len * 3 * skb->ifindex) return TC_ACT_SHOT; if (tcp) { if (test_pkt_write_access_subprog(skb, (void *)tcp - data)) diff --git a/tools/testing/selftests/bpf/progs/test_seg6_loop.c b/tools/testing/selftests/bpf/progs/test_seg6_loop.c index 5059050f74f6..fccb21d23fe2 100644 --- a/tools/testing/selftests/bpf/progs/test_seg6_loop.c +++ b/tools/testing/selftests/bpf/progs/test_seg6_loop.c @@ -170,7 +170,7 @@ static __always_inline int is_valid_tlv_boundary(struct __sk_buff *skb, if (*pad_off == 0) *pad_off = cur_off;

- if (*tlv_off == -1) + if (*tlv_off == (__u32)-1) *tlv_off = cur_off; else if (!offset_valid) return -EINVAL; @@ -189,7 +189,7 @@ static __always_inline int add_tlv(struct __sk_buff *skb, uint32_t partial_srh_len; int err;

- if (tlv_off != -1) + if (tlv_off != (__u32)-1) tlv_off += srh_off;

if (itlv->type == SR6_TLV_PADDING || itlv->type == SR6_TLV_HMAC) diff --git a/tools/testing/selftests/bpf/progs/test_skb_ctx.c b/tools/testing/selftests/bpf/progs/test_skb_ctx.c index a724a70c6700..7939a2edc414 100644 --- a/tools/testing/selftests/bpf/progs/test_skb_ctx.c +++ b/tools/testing/selftests/bpf/progs/test_skb_ctx.c @@ -11,7 +11,7 @@ SEC("tc") int process(struct __sk_buff *skb) { __pragma_loop_unroll_full - for (int i = 0; i < 5; i++) { + for (__u32 i = 0; i < 5; i++) { if (skb->cb[i] != i + 1) return 1; skb->cb[i]++; diff --git a/tools/testing/selftests/bpf/progs/test_snprintf.c b/tools/testing/selftests/bpf/progs/test_snprintf.c index 8fda07544023..1aa4835da71a 100644 --- a/tools/testing/selftests/bpf/progs/test_snprintf.c +++ b/tools/testing/selftests/bpf/progs/test_snprintf.c @@ -4,7 +4,7 @@ #include <linux/bpf.h> #include <bpf/bpf_helpers.h>

-__u32 pid = 0; +int pid = 0;

char num_out[64] = {}; long num_ret = 0; diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h index f48f85f1bd70..2297c83433b7 100644 --- a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h +++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h @@ -336,7 +336,7 @@ int bpf_prog9(struct sk_msg_md *msg)

bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); if (bytes) { - if (((__u64)data_end - (__u64)data) >= *bytes) + if (((__u64)data_end - (__u64)data) >= (__u64)*bytes) return SK_PASS; ret = bpf_msg_cork_bytes(msg, *bytes); if (ret) diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_strp.c b/tools/testing/selftests/bpf/progs/test_sockmap_strp.c index dde3d5bec515..e9675c45d8ef 100644 --- a/tools/testing/selftests/bpf/progs/test_sockmap_strp.c +++ b/tools/testing/selftests/bpf/progs/test_sockmap_strp.c @@ -2,7 +2,7 @@ #include <linux/bpf.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_endian.h> -int verdict_max_size = 10000; +__u32 verdict_max_size = 10000; struct { __uint(type, BPF_MAP_TYPE_SOCKMAP); __uint(max_entries, 20); diff --git a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c index 404124a93892..c7e2d4571a2b 100644 --- a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c +++ b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c @@ -80,7 +80,7 @@ static __always_inline void set_ipv4_csum(struct iphdr *iph) { __u16 *iph16 = (__u16 *)iph; __u32 csum; - int i; + size_t i;

iph->check = 0;

diff --git a/tools/testing/selftests/bpf/progs/test_xdp.c b/tools/testing/selftests/bpf/progs/test_xdp.c index 8caf58be5818..ce2a9ae26088 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp.c +++ b/tools/testing/selftests/bpf/progs/test_xdp.c @@ -89,7 +89,7 @@ static __always_inline int handle_ipv4(struct xdp_md *xdp) struct vip vip = {}; int dport; __u32 csum = 0; - int i; + size_t i;

if (iph + 1 > data_end) return XDP_DROP; diff --git a/tools/testing/selftests/bpf/progs/test_xdp_dynptr.c b/tools/testing/selftests/bpf/progs/test_xdp_dynptr.c index 67a77944ef29..12ad0ec91021 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_dynptr.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_dynptr.c @@ -89,7 +89,7 @@ static __always_inline int handle_ipv4(struct xdp_md *xdp, struct bpf_dynptr *xd struct vip vip = {}; int dport; __u32 csum = 0; - int i; + size_t i;

__builtin_memset(eth_buffer, 0, sizeof(eth_buffer)); __builtin_memset(iph_buffer_tcp, 0, sizeof(iph_buffer_tcp)); diff --git a/tools/testing/selftests/bpf/progs/test_xdp_loop.c b/tools/testing/selftests/bpf/progs/test_xdp_loop.c index 93267a68825b..e9b7bbff5c23 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_loop.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_loop.c @@ -85,7 +85,7 @@ static __always_inline int handle_ipv4(struct xdp_md *xdp) struct vip vip = {}; int dport; __u32 csum = 0; - int i; + size_t i;

if (iph + 1 > data_end) return XDP_DROP; diff --git a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c index fad94e41cef9..85ef3c0a3e20 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c @@ -372,7 +372,7 @@ bool encap_v4(struct xdp_md *xdp, struct ctl_value *cval,

next_iph_u16 = (__u16 *) iph; __pragma_loop_unroll_full - for (int i = 0; i < sizeof(struct iphdr) >> 1; i++) + for (size_t i = 0; i < sizeof(struct iphdr) >> 1; i++) csum += *next_iph_u16++; iph->check = ~((csum & 0xffff) + (csum >> 16)); if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr))) @@ -423,7 +423,7 @@ int send_icmp_reply(void *data, void *data_end) iph->check = 0; next_iph_u16 = (__u16 *) iph; __pragma_loop_unroll_full - for (int i = 0; i < sizeof(struct iphdr) >> 1; i++) + for (size_t i = 0; i < sizeof(struct iphdr) >> 1; i++) csum += *next_iph_u16++; iph->check = ~((csum & 0xffff) + (csum >> 16)); return swap_mac_and_send(data, data_end); diff --git a/tools/testing/selftests/bpf/progs/udp_limit.c b/tools/testing/selftests/bpf/progs/udp_limit.c index 4767451b59ac..af1b3195ea8a 100644 --- a/tools/testing/selftests/bpf/progs/udp_limit.c +++ b/tools/testing/selftests/bpf/progs/udp_limit.c @@ -50,7 +50,7 @@ int sock_release(struct bpf_sock *ctx) return 1;

sk_storage = bpf_sk_storage_get(&sk_map, ctx, 0, 0); - if (!sk_storage || *sk_storage != 0xdeadbeef) + if (!sk_storage || *sk_storage != (int)0xdeadbeef) return 0;

__sync_fetch_and_add(&invocations, 1); diff --git a/tools/testing/selftests/bpf/progs/uprobe_multi.c b/tools/testing/selftests/bpf/progs/uprobe_multi.c index 44190efcdba2..f99957773c3a 100644 --- a/tools/testing/selftests/bpf/progs/uprobe_multi.c +++ b/tools/testing/selftests/bpf/progs/uprobe_multi.c @@ -20,13 +20,13 @@ __u64 uretprobe_multi_func_3_result = 0;

__u64 uprobe_multi_sleep_result = 0;

-int pid = 0; +__u32 pid = 0; int child_pid = 0; int child_tid = 0; int child_pid_usdt = 0; int child_tid_usdt = 0;

-int expect_pid = 0; +__u32 expect_pid = 0; bool bad_pid_seen = false; bool bad_pid_seen_usdt = false;

diff --git a/tools/testing/selftests/bpf/progs/uprobe_multi_session_recursive.c b/tools/testing/selftests/bpf/progs/uprobe_multi_session_recursive.c index 8fbcd69fae22..017f1859ebe8 100644 --- a/tools/testing/selftests/bpf/progs/uprobe_multi_session_recursive.c +++ b/tools/testing/selftests/bpf/progs/uprobe_multi_session_recursive.c @@ -3,6 +3,7 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> #include <stdbool.h> +#include <stddef.h> #include "bpf_kfuncs.h" #include "bpf_misc.h"

@@ -10,8 +11,8 @@ char _license[] SEC("license") = "GPL";

int pid = 0;

-int idx_entry = 0; -int idx_return = 0; +size_t idx_entry = 0; +size_t idx_return = 0;

__u64 test_uprobe_cookie_entry[6]; __u64 test_uprobe_cookie_return[3]; diff --git a/tools/testing/selftests/bpf/progs/verifier_arena_large.c b/tools/testing/selftests/bpf/progs/verifier_arena_large.c index f19e15400b3e..cb6cc9c4643a 100644 --- a/tools/testing/selftests/bpf/progs/verifier_arena_large.c +++ b/tools/testing/selftests/bpf/progs/verifier_arena_large.c @@ -86,10 +86,10 @@ int access_reserved(void *ctx) return 1;

/* Try to dirty reserved memory. */ - for (i = 0; i < len && can_loop; i++) + for (i = 0; (size_t)i < len && can_loop; i++) *page = 0x5a;

- for (i = 0; i < len && can_loop; i++) { + for (i = 0; (size_t)i < len && can_loop; i++) { page = (volatile char __arena *)(base + i * PAGE_SIZE);

/* diff --git a/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c b/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c index 75dd922e4e9f..72f9f8c23c93 100644 --- a/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c +++ b/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c @@ -593,7 +593,7 @@ int loop_inside_iter_volatile_limit(const void *ctx) { struct bpf_iter_num it; int *v, sum = 0; - __u64 i = 0; + __s32 i = 0;

bpf_iter_num_new(&it, 0, ARR2_SZ); while ((v = bpf_iter_num_next(&it))) {