Improve error handling of verifier tests #453
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Commit 8184d44 ("selftests/bpf: skip verifier tests for unsupported program types") added a check to skip unsupported program types. As bpf_probe_prog_type can change errno, do_single_test should save it before printing a reason why a supported BPF program type failed to load. Fixes: 8184d44 ("selftests/bpf: skip verifier tests for unsupported program types") Cc: Stanislav Fomichev <[email protected]> Cc: Krzesimir Nowak <[email protected]> Signed-off-by: Florian Lehner <[email protected]> Acked-by: Andrii Nakryiko <[email protected]>
Print a message when the returned error is about a program type being not supported or because of permission problems. These messages are expected if the program to test was actually executed. Cc: Krzesimir Nowak <[email protected]> Signed-off-by: Florian Lehner <[email protected]>
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=394909 expired. Closing PR. |
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We used to initialize the provider_data manually after nvdimm_pemm_region_create(). This seems to be racy if the flush is issued before the initialization of provider_data[1]. Fixing this by initializing the provider_data through nd_region_desc to make sure the provider_data is ready after the pmem is created. [1]: [ 80.152281] nd_pmem namespace0.0: unable to guarantee persistence of writes [ 92.393956] BUG: kernel NULL pointer dereference, address: 0000000000000318 [ 92.394551] #PF: supervisor read access in kernel mode [ 92.394955] #PF: error_code(0x0000) - not-present page [ 92.395365] PGD 0 P4D 0 [ 92.395566] Oops: 0000 [#1] PREEMPT SMP PTI [ 92.395867] CPU: 2 PID: 506 Comm: mkfs.ext4 Not tainted 5.19.0-rc1+ #453 [ 92.396365] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 [ 92.397178] RIP: 0010:virtio_pmem_flush+0x2f/0x1f0 [ 92.397521] Code: 55 41 54 55 53 48 81 ec a0 00 00 00 65 48 8b 04 25 28 00 00 00 48 89 84 24 98 00 00 00 31 c0 48 8b 87 78 03 00 00 48 89 04 24 <48> 8b 98 18 03 00 00 e8 85 bf 6b 00 ba 58 00 00 00 be c0 0c 00 00 [ 92.398982] RSP: 0018:ffff9a7380aefc88 EFLAGS: 00010246 [ 92.399349] RAX: 0000000000000000 RBX: ffff8e77c3f86f00 RCX: 0000000000000000 [ 92.399833] RDX: ffffffffad4ea720 RSI: ffff8e77c41e39c0 RDI: ffff8e77c41c5c00 [ 92.400388] RBP: ffff8e77c41e39c0 R08: ffff8e77c19f0600 R09: 0000000000000000 [ 92.400874] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8e77c0814e28 [ 92.401364] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8e77c41e39c0 [ 92.401849] FS: 00007f3cd75b2780(0000) GS:ffff8e7937d00000(0000) knlGS:0000000000000000 [ 92.402423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.402821] CR2: 0000000000000318 CR3: 0000000103c80002 CR4: 0000000000370ee0 [ 92.403307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.403793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.404278] Call Trace: [ 92.404481] <TASK> [ 92.404654] ? mempool_alloc+0x5d/0x160 [ 92.404939] ? terminate_walk+0x5f/0xf0 [ 92.405226] ? bio_alloc_bioset+0xbb/0x3f0 [ 92.405525] async_pmem_flush+0x17/0x80 [ 92.405806] nvdimm_flush+0x11/0x30 [ 92.406067] pmem_submit_bio+0x1e9/0x200 [ 92.406354] __submit_bio+0x80/0x120 [ 92.406621] submit_bio_noacct_nocheck+0xdc/0x2a0 [ 92.406958] submit_bio_wait+0x4e/0x80 [ 92.407234] blkdev_issue_flush+0x31/0x50 [ 92.407526] ? punt_bios_to_rescuer+0x230/0x230 [ 92.407852] blkdev_fsync+0x1e/0x30 [ 92.408112] do_fsync+0x33/0x70 [ 92.408354] __x64_sys_fsync+0xb/0x10 [ 92.408625] do_syscall_64+0x43/0x90 [ 92.408895] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 92.409257] RIP: 0033:0x7f3cd76c6c44 Fixes 6e84200 ("virtio-pmem: Add virtio pmem driver") Acked-by: Pankaj Gupta <[email protected]> Reviewed-by: Dan Williams <[email protected]> Signed-off-by: Jason Wang <[email protected]> Message-Id: <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
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Jul 30, 2025
Failing tests: - kernel-patches#110 fexit_bpf2bpf:FAIL - kernel-patches#124 for_each:FAIL - kernel-patches#144 iters:FAIL - kernel-patches#148 kfree_skb:FAIL - kernel-patches#161 l4lb_all:FAIL - kernel-patches#193 map_kptr:FAIL - kernel-patches#23 bpf_loop:FAIL - kernel-patches#260 pkt_access:FAIL - kernel-patches#269 prog_run_opts:FAIL - kernel-patches#280 rbtree_success:FAIL - kernel-patches#356 res_spin_lock_failure:FAIL - kernel-patches#364 setget_sockopt:FAIL - kernel-patches#381 sock_fields:FAIL - kernel-patches#394 spin_lock:FAIL - kernel-patches#395 spin_lock_success:FAIL - kernel-patches#444 test_bpffs:FAIL - kernel-patches#453 test_profiler:FAIL - kernel-patches#479 usdt:FAIL - kernel-patches#488 verifier_bits_iter:FAIL - kernel-patches#597 verif_scale_pyperf600:FAIL - kernel-patches#598 verif_scale_pyperf600_bpf_loop:FAIL - kernel-patches#599 verif_scale_pyperf600_iter:FAIL - kernel-patches#608 verif_scale_strobemeta_subprogs:FAIL - kernel-patches#622 xdp_attach:FAIL - kernel-patches#637 xdp_noinline:FAIL - kernel-patches#639 xdp_synproxy:FAIL - kernel-patches#72 cls_redirect:FAIL - kernel-patches#88 crypto_sanity:FAIL - kernel-patches#97 dynptr:FAIL Signed-off-by: Eduard Zingerman <[email protected]>
eddyz87
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Jul 30, 2025
Failing tests: - kernel-patches#110 fexit_bpf2bpf:FAIL - kernel-patches#124 for_each:FAIL - kernel-patches#144 iters:FAIL - kernel-patches#148 kfree_skb:FAIL - kernel-patches#161 l4lb_all:FAIL - kernel-patches#193 map_kptr:FAIL - kernel-patches#23 bpf_loop:FAIL - kernel-patches#260 pkt_access:FAIL - kernel-patches#269 prog_run_opts:FAIL - kernel-patches#280 rbtree_success:FAIL - kernel-patches#356 res_spin_lock_failure:FAIL - kernel-patches#364 setget_sockopt:FAIL - kernel-patches#381 sock_fields:FAIL - kernel-patches#394 spin_lock:FAIL - kernel-patches#395 spin_lock_success:FAIL - kernel-patches#444 test_bpffs:FAIL - kernel-patches#453 test_profiler:FAIL - kernel-patches#479 usdt:FAIL - kernel-patches#488 verifier_bits_iter:FAIL - kernel-patches#597 verif_scale_pyperf600:FAIL - kernel-patches#598 verif_scale_pyperf600_bpf_loop:FAIL - kernel-patches#599 verif_scale_pyperf600_iter:FAIL - kernel-patches#608 verif_scale_strobemeta_subprogs:FAIL - kernel-patches#622 xdp_attach:FAIL - kernel-patches#637 xdp_noinline:FAIL - kernel-patches#639 xdp_synproxy:FAIL - kernel-patches#72 cls_redirect:FAIL - kernel-patches#88 crypto_sanity:FAIL - kernel-patches#97 dynptr:FAIL Signed-off-by: Eduard Zingerman <[email protected]>
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Pull request for series with
subject: Improve error handling of verifier tests
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=394909