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authorJakub Kicinski <kuba@kernel.org>2024-10-31 17:30:16 -0700
committerJakub Kicinski <kuba@kernel.org>2024-10-31 18:10:07 -0700
commit5b1c965956744d9b22fae7e9bca1c8e72355e1d0 (patch)
tree504f731de0a7ac9111de5c106cd360e4ff1c04af /tools/testing/selftests/bpf/progs/verifier_bits_iter.c
parent9e114ec8084020e10e1cb7b43dbbf6e69940866b (diff)
parent5635f189425e328097714c38341944fc40731f3d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.12-rc6). Conflicts: drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c cbe84e9ad5e2 ("wifi: iwlwifi: mvm: really send iwl_txpower_constraints_cmd") 188a1bf89432 ("wifi: mac80211: re-order assigning channel in activate links") https://lore.kernel.org/all/20241028123621.7bbb131b@canb.auug.org.au/ net/mac80211/cfg.c c4382d5ca1af ("wifi: mac80211: update the right link for tx power") 8dd0498983ee ("wifi: mac80211: Fix setting txpower with emulate_chanctx") drivers/net/ethernet/intel/ice/ice_ptp_hw.h 6e58c3310622 ("ice: fix crash on probe for DPLL enabled E810 LOM") e4291b64e118 ("ice: Align E810T GPIO to other products") ebb2693f8fbd ("ice: Read SDP section from NVM for pin definitions") ac532f4f4251 ("ice: Cleanup unused declarations") https://lore.kernel.org/all/20241030120524.1ee1af18@canb.auug.org.au/ No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/verifier_bits_iter.c')
-rw-r--r--tools/testing/selftests/bpf/progs/verifier_bits_iter.c61
1 files changed, 58 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_bits_iter.c b/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
index f4da4d508ddb..156cc278e2fc 100644
--- a/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
+++ b/tools/testing/selftests/bpf/progs/verifier_bits_iter.c
@@ -15,6 +15,8 @@ int bpf_iter_bits_new(struct bpf_iter_bits *it, const u64 *unsafe_ptr__ign,
int *bpf_iter_bits_next(struct bpf_iter_bits *it) __ksym __weak;
void bpf_iter_bits_destroy(struct bpf_iter_bits *it) __ksym __weak;
+u64 bits_array[511] = {};
+
SEC("iter.s/cgroup")
__description("bits iter without destroy")
__failure __msg("Unreleased reference")
@@ -110,16 +112,16 @@ int bit_index(void)
}
SEC("syscall")
-__description("bits nomem")
+__description("bits too big")
__success __retval(0)
-int bits_nomem(void)
+int bits_too_big(void)
{
u64 data[4];
int nr = 0;
int *bit;
__builtin_memset(&data, 0xff, sizeof(data));
- bpf_for_each(bits, bit, &data[0], 513) /* Be greater than 512 */
+ bpf_for_each(bits, bit, &data[0], 512) /* Be greater than 511 */
nr++;
return nr;
}
@@ -151,3 +153,56 @@ int zero_words(void)
nr++;
return nr;
}
+
+SEC("syscall")
+__description("huge words")
+__success __retval(0)
+int huge_words(void)
+{
+ u64 data[8] = {0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1};
+ int nr = 0;
+ int *bit;
+
+ bpf_for_each(bits, bit, &data[0], 67108865)
+ nr++;
+ return nr;
+}
+
+SEC("syscall")
+__description("max words")
+__success __retval(4)
+int max_words(void)
+{
+ volatile int nr = 0;
+ int *bit;
+
+ bits_array[0] = (1ULL << 63) | 1U;
+ bits_array[510] = (1ULL << 33) | (1ULL << 32);
+
+ bpf_for_each(bits, bit, bits_array, 511) {
+ if (nr == 0 && *bit != 0)
+ break;
+ if (nr == 2 && *bit != 32672)
+ break;
+ nr++;
+ }
+ return nr;
+}
+
+SEC("syscall")
+__description("bad words")
+__success __retval(0)
+int bad_words(void)
+{
+ void *bad_addr = (void *)(3UL << 30);
+ int nr = 0;
+ int *bit;
+
+ bpf_for_each(bits, bit, bad_addr, 1)
+ nr++;
+
+ bpf_for_each(bits, bit, bad_addr, 4)
+ nr++;
+
+ return nr;
+}