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Kernel warning on the empty uri #2361

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EvgeniiMekhanik opened this issue Mar 14, 2025 · 2 comments · May be fixed by #2430
Open

Kernel warning on the empty uri #2361

EvgeniiMekhanik opened this issue Mar 14, 2025 · 2 comments · May be fixed by #2430
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@WitalyAnisimov
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bug good to start Start form this tasks if you're new in Tempesta FW
Milestone
0.9 - LA

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@EvgeniiMekhanik
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Run test from tempesta-tech/tempesta-test@da9d7a1 causes kernel warning in dmesg, we should fix this problem
@EvgeniiMekhanik EvgeniiMekhanik added this to the 0.9 - LA milestone Mar 14, 2025
@krizhanovsky
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Shouldn't we block such requests?

@krizhanovsky krizhanovsky added the good to start Start form this tasks if you're new in Tempesta FW label Mar 17, 2025
@EvgeniiMekhanik
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[ 1477.698857] WARNING: CPU: 3 PID: 0 at /home/evgeny/workdir/tempesta/fw/cache.c:2073 tfw_cache_copy_resp+0xe1e/0x2fe0 [tempesta_fw]
[ 1477.699663] Modules linked in: tempesta_fw(OE) tempesta_db(OE) tempesta_tls(OE) tempesta_lib(OE) sha256_ssse3 sha512_ssse3 veth nvme_tcp nvme_fabrics nvme_core vhost_vsock vmw_vsock_virtio_transport_common vhost vhost_iotlb vsock xt_conntrack xt_MASQUERADE xt_set ip_set xt_addrtype nft_compat xfrm_user xfrm_algo nft_masq nft_counter nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc nf_tables nfnetlink overlay binfmt_misc nls_iso8859_1 kvm_intel kvm virtio_gpu crct10dif_pclmul ghash_clmulni_intel virtio_dma_buf drm_kms_helper aesni_intel crypto_simd cryptd glue_helper input_leds joydev cec serio_raw fb_sys_fops syscopyarea sysfillrect sysimgblt mac_hid qemu_fw_cfg sch_fq_codel msr parport_pc ppdev lp parport drm efi_pstore ip_tables x_tables ipv6 autofs4 btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c crc32_pclmul psmouse pata_acpi e1000 i2c_piix4 floppy [last unloaded: tempesta_lib]
[ 1477.705238] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           OE     5.10.35+ #514
[ 1477.705975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 1477.707064] RIP: 0010:tfw_cache_copy_resp+0xe1e/0x2fe0 [tempesta_fw]
[ 1477.708062] Code: ff ff 00 0f 85 ec f5 ff ff 49 8d 86 80 fd ff ff 48 89 85 e0 fc ff ff 49 8d 86 60 fd ff ff 48 89 85 08 fd ff ff e9 a9 f6 ff ff <0f> 0b 31 db e9 1e f5 ff ff 48 8d 88 c8 01 00 00 48 05 e8 01 00 00
[ 1477.710439] RSP: 0018:ffff8882c1ec8a40 EFLAGS: 00010246
[ 1477.711112] RAX: 0000000000000000 RBX: ffff888156af3020 RCX: ffffffffc1fdbfcf
[ 1477.712122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888156af3210
[ 1477.713020] RBP: ffff8882c1ec8e40 R08: ffffffffc1fdbfb2 R09: ffff8882af6000bf
[ 1477.713926] R10: ffffed1055ec0017 R11: 0000000000000001 R12: ffff8882af619000
[ 1477.714857] R13: 000000000000008f R14: ffff8882c1ec8e18 R15: 0000000000000000
[ 1477.715808] FS:  0000000000000000(0000) GS:ffff8882c1ec0000(0000) knlGS:0000000000000000
[ 1477.716378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1477.716782] CR2: 00007fa4d7f5f0a0 CR3: 00000001323a4000 CR4: 0000000000750ee0
[ 1477.717284] PKRU: 55555554
[ 1477.717489] Call Trace:
[ 1477.717697]  <IRQ>
[ 1477.717849]  ? __kasan_check_write+0x14/0x20
[ 1477.718187]  ? _raw_spin_lock_irqsave+0x8e/0xf0
[ 1477.718535]  ? swiotlb_bounce+0x5e/0x70
[ 1477.718843]  ? tfw_cache_h2_add_hdr+0x450/0x450 [tempesta_fw]
[ 1477.719252]  ? lookup_address_in_pgd.part.0.constprop.0+0x215/0x280
[ 1477.719719]  ? __change_page_attr_set_clr+0xb8d/0x14b0
[ 1477.720084]  ? __kasan_check_write+0x14/0x20
[ 1477.720393]  ? tdb_get_blk+0x59/0x90 [tempesta_db]
[ 1477.720743]  ? tdb_htrie_create_rec+0xd4/0x120 [tempesta_db]
[ 1477.721143]  ? __kasan_check_write+0x14/0x20
[ 1477.721446]  ? tdb_htrie_insert+0x398/0x890 [tempesta_db]
[ 1477.721838]  ? tfw_cache_entry_key_eq+0x300/0x300 [tempesta_fw]
[ 1477.722275]  ? tdb_htrie_remove+0x1b0/0x1b0 [tempesta_db]
[ 1477.722706]  ? tfw_cache_entry_key_eq+0x300/0x300 [tempesta_fw]
[ 1477.723154]  ? tdb_entry_alloc_unique+0x50/0x80 [tempesta_db]
[ 1477.723620]  __cache_add_node+0x17e/0x260 [tempesta_fw]
[ 1477.724103]  ? tfw_cache_copy_resp+0x2fe0/0x2fe0 [tempesta_fw]
[ 1477.724530]  ? __bitmap_weight+0x62/0xa0
[ 1477.724824]  tfw_cache_do_action+0xbd7/0xde0 [tempesta_fw]
[ 1477.725227]  ? tfw_http_req_redir+0x880/0x880 [tempesta_fw]
[ 1477.725635]  ? __cache_add_node+0x260/0x260 [tempesta_fw]
[ 1477.726024]  ? __update_load_avg_cfs_rq+0x1b0/0x5f0
[ 1477.726421]  ? tfw_gfsm_move+0xb7/0x300 [tempesta_fw]
[ 1477.726797]  ? frang_resp_handler+0x217/0x700 [tempesta_fw]
[ 1477.727246]  ? _raw_spin_lock+0x7b/0xd0
[ 1477.727744]  ? frang_http_req_incomplete_hdrs_check.isra.0+0x290/0x290 [tempesta_fw]
[ 1477.728303]  ? tfw_http_req_zap_error+0x22/0x1c0 [tempesta_fw]
[ 1477.728718]  tfw_cache_process+0x162/0x760 [tempesta_fw]
[ 1477.729083]  ? tfw_http_req_redir+0x880/0x880 [tempesta_fw]
[ 1477.729462]  ? tfw_cache_put_entry+0x40/0x40 [tempesta_fw]
[ 1477.729862]  ? tfw_gfsm_move+0xb7/0x300 [tempesta_fw]
[ 1477.730248]  tfw_http_resp_cache+0x303/0x400 [tempesta_fw]
[ 1477.730686]  ? tfw_http_resp_gfsm+0xf0/0xf0 [tempesta_fw]
[ 1477.731136]  ? tfw_gfsm_move+0xb7/0x300 [tempesta_fw]
[ 1477.731540]  tfw_http_msg_process_generic+0x93b/0xc60 [tempesta_fw]
[ 1477.732001]  ? tfw_http_req_process+0x1170/0x1170 [tempesta_fw]
[ 1477.732395]  ? pg_skb_alloc+0x60f/0x680
[ 1477.732652]  ? __kasan_check_write+0x14/0x20
[ 1477.732937]  ? __kasan_check_write+0x14/0x20
[ 1477.733222]  ? __alloc_skb+0x278/0x350
[ 1477.733474]  ? __kasan_check_write+0x14/0x20
[ 1477.733789]  ? __coalesce_frag+0x139/0x390 [tempesta_fw]
[ 1477.734195]  ? ss_skb_queue_coalesce_tail+0x10c/0x2b0 [tempesta_fw]
[ 1477.734657]  tfw_http_msg_process+0x81/0xc0 [tempesta_fw]
[ 1477.735056]  tfw_connection_recv+0x127/0x230 [tempesta_fw]
[ 1477.735455]  ? tfw_connection_send+0x60/0x60 [tempesta_fw]
[ 1477.735902]  ss_tcp_process_data+0x49d/0x890 [tempesta_fw]
[ 1477.736302]  ? ss_do_close+0x720/0x720 [tempesta_fw]
[ 1477.736646]  ss_tcp_data_ready+0x82/0x150 [tempesta_fw]
[ 1477.737003]  tcp_data_ready+0x73/0x210
[ 1477.737267]  tcp_data_queue+0x1085/0x1d80
[ 1477.737535]  ? tcp_validate_incoming+0x1fa/0xa30
[ 1477.737865]  ? tcp_data_ready+0x210/0x210
[ 1477.738168]  ? tcp_try_keep_open+0x130/0x130
[ 1477.738480]  ? kvm_clock_get_cycles+0x11/0x20
[ 1477.738781]  ? ktime_get+0x4f/0xb0
[ 1477.739011]  tcp_rcv_established+0x422/0xb40
[ 1477.739295]  ? tcp_parse_md5sig_option+0x20/0xb0
[ 1477.739616]  ? tcp_data_queue+0x1d80/0x1d80
[ 1477.739906]  ? __kasan_check_read+0x11/0x20
[ 1477.740188]  tcp_v4_do_rcv+0x25f/0x360
[ 1477.740439]  tcp_v4_rcv+0x1600/0x1770
[ 1477.740691]  ? tcp_v4_early_demux+0x2f0/0x2f0
[ 1477.741007]  ip_protocol_deliver_rcu+0x46/0x2e0
[ 1477.741309]  ip_local_deliver_finish+0xc6/0xe0
[ 1477.741609]  ip_local_deliver+0x1f5/0x210
[ 1477.741902]  ? ip_local_deliver_finish+0xe0/0xe0
[ 1477.742265]  ? nf_nat_inet_fn+0x2b3/0x440 [nf_nat]
[ 1477.742609]  ? ip_protocol_deliver_rcu+0x2e0/0x2e0
[ 1477.742949]  ? ip_rcv_finish_core.constprop.0+0x17c/0x890
[ 1477.743311]  ip_rcv_finish+0xcf/0xf0
[ 1477.743555]  ip_rcv+0x16d/0x180
[ 1477.743791]  ? ip_local_deliver+0x210/0x210
[ 1477.744071]  ? ip_rcv_finish_core.constprop.0+0x890/0x890
[ 1477.744429]  ? run_posix_cpu_timers+0x32e/0x3a0
[ 1477.744731]  ? posix_cpu_timers_exit_group+0x110/0x110
[ 1477.745072]  ? ip_local_deliver+0x210/0x210
[ 1477.745352]  __netif_receive_skb_one_core+0xeb/0x130
[ 1477.745682]  ? napi_gro_receive+0x260/0x260
[ 1477.745963]  ? __kasan_check_write+0x14/0x20
[ 1477.746278]  ? _raw_spin_lock+0x7b/0xd0
[ 1477.746552]  __netif_receive_skb+0x26/0xb0
[ 1477.746844]  process_backlog+0xfe/0x290
[ 1477.747142]  net_rx_action+0x287/0x6b0
[ 1477.747402]  ? napi_complete_done+0x2c0/0x2c0
[ 1477.747808]  ? switch_fpu_return+0x120/0x120
[ 1477.748115]  __do_softirq+0xfe/0x383
[ 1477.748372]  asm_call_irq_on_stack+0xf/0x20
[ 1477.748669]  </IRQ>
[ 1477.748825]  do_softirq_own_stack+0x3d/0x50
[ 1477.749105]  irq_exit_rcu+0xc7/0x120
[ 1477.749346]  sysvec_call_function_single+0x3a/0x90
[ 1477.749664]  asm_sysvec_call_function_single+0x12/0x20
[ 1477.750013] RIP: 0010:native_safe_halt+0xe/0x10
[ 1477.750353] Code: 49 8b 04 24 a8 08 0f 85 71 ff ff ff e9 0f ff ff ff cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d c4 c9 5a 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 c9 5a 00 f4 c3 cc cc 0f 1f 44 00
[ 1477.751621] RSP: 0018:ffff888101007db8 EFLAGS: 00000206
[ 1477.751984] RAX: ffffffff9b8abff0 RBX: ffff888100fe6640 RCX: ffffffff9b895dc5
[ 1477.752456] RDX: 0000000000606176 RSI: 0000000000000004 RDI: ffff8882c1ef4f40
[ 1477.752926] RBP: ffff888101007dc0 R08: 0000000000000001 R09: ffff8882c1ef4f43
[ 1477.753395] R10: ffffed10583de9e8 R11: 0000000000000001 R12: 0000000000000003
[ 1477.753898] R13: ffffffffa3ff78e0 R14: 0000000000000000 R15: 0000000000000000
[ 1477.754411]  ? __cpuidle_text_start+0x8/0x8
[ 1477.754710]  ? rcu_eqs_enter.constprop.0+0x85/0xa0
[ 1477.755052]  ? default_idle+0xe/0x20
[ 1477.755292]  arch_cpu_idle+0x15/0x20
[ 1477.755535]  default_idle_call+0x66/0x160
[ 1477.755834]  do_idle+0x36f/0x430
[ 1477.756067]  ? arch_cpu_idle_exit+0x40/0x40
[ 1477.756356]  cpu_startup_entry+0x20/0x30
[ 1477.756632]  start_secondary+0x1c1/0x210
[ 1477.756895]  ? set_cpu_sibling_map+0xd70/0xd70
[ 1477.757192]  ? set_bringup_idt_handler.constprop.0+0x84/0x90
[ 1477.757567]  ? start_cpu0+0xc/0xc
[ 1477.757791]  secondary_startup_64_no_verify+0xb0/0xbb
[ 1477.758182] ---[ end trace 4967931ddd5b77b7 ]---
[ 1477.766733] ------------[ cut here ]------------
[ 1477.767374] WARNING: CPU: 1 PID: 0 at /home/evgeny/workdir/tempesta/fw/cache.c:1225 tfw_cache_entry_key_eq+0x2b2/0x300 [tempesta_fw]
[ 1477.768439] Modules linked in: tempesta_fw(OE) tempesta_db(OE) tempesta_tls(OE) tempesta_lib(OE) sha256_ssse3 sha512_ssse3 veth nvme_tcp nvme_fabrics nvme_core vhost_vsock vmw_vsock_virtio_transport_common vhost vhost_iotlb vsock xt_conntrack xt_MASQUERADE xt_set ip_set xt_addrtype nft_compat xfrm_user xfrm_algo nft_masq nft_counter nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc nf_tables nfnetlink overlay binfmt_misc nls_iso8859_1 kvm_intel kvm virtio_gpu crct10dif_pclmul ghash_clmulni_intel virtio_dma_buf drm_kms_helper aesni_intel crypto_simd cryptd glue_helper input_leds joydev cec serio_raw fb_sys_fops syscopyarea sysfillrect sysimgblt mac_hid qemu_fw_cfg sch_fq_codel msr parport_pc ppdev lp parport drm efi_pstore ip_tables x_tables ipv6 autofs4 btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c crc32_pclmul psmouse pata_acpi e1000 i2c_piix4 floppy [last unloaded: tempesta_lib]
[ 1477.774276] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W  OE     5.10.35+ #514
[ 1477.774813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 1477.775499] RIP: 0010:tfw_cache_entry_key_eq+0x2b2/0x300 [tempesta_fw]
[ 1477.775971] Code: 8d bb e8 01 00 00 48 89 55 c8 e8 49 ce ab d8 48 8b 45 c8 4c 8b bb e8 01 00 00 48 c1 e0 05 4c 01 f8 48 89 45 88 e9 ee fd ff ff <0f> 0b 45 31 ff e9 e4 fd ff ff 0f 0b 48 83 7d d0 00 0f 85 2d fe ff
[ 1477.777272] RSP: 0018:ffff8882c1e48e00 EFLAGS: 00010246
[ 1477.777642] RAX: 0000000000000000 RBX: ffff888108e6c020 RCX: dffffc0000000000
[ 1477.778246] RDX: 0000000000000000 RSI: ffff888108e6c020 RDI: ffff888108e6c220
[ 1477.778746] RBP: ffff8882c1e48e80 R08: ffffffffc1fd82af R09: ffff8882af60b00b
[ 1477.779230] R10: ffffed1055ec1601 R11: 0000000000000001 R12: ffff8882af619000
[ 1477.779748] R13: 0000000000000000 R14: 000000000000000d R15: ffff888108e6c2c0
[ 1477.780229] FS:  0000000000000000(0000) GS:ffff8882c1e40000(0000) knlGS:0000000000000000
[ 1477.780772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1477.781161] CR2: 00007f49656696c0 CR3: 000000017c8c4000 CR4: 0000000000750ee0
[ 1477.781651] PKRU: 55555554
[ 1477.781839] Call Trace:
[ 1477.782010]  <IRQ>
[ 1477.782166]  ? tdb_rec_get+0xa7/0xf0 [tempesta_db]
[ 1477.782521]  tfw_cache_do_action+0x194/0xde0 [tempesta_fw]
[ 1477.782910]  ? __kasan_check_read+0x11/0x20
[ 1477.783209]  ? tfw_http_conn_drop+0x5d0/0x5d0 [tempesta_fw]
[ 1477.783608]  ? __cache_add_node+0x260/0x260 [tempesta_fw]
[ 1477.784035]  ? __tfw_http_msg_add_str_data+0x123/0x1c0 [tempesta_fw]
[ 1477.784493]  ? tfw_hash_str_len+0xe3/0x290 [tempesta_fw]
[ 1477.784871]  ? tfw_gfsm_unregister_fsm+0x40/0x40 [tempesta_fw]
[ 1477.785278]  ? frang_http_req_handler+0x40d/0x930 [tempesta_fw]
[ 1477.785694]  ? __tfw_match_wildcard+0x26/0x40 [tempesta_fw]
[ 1477.786087]  tfw_cache_process+0x162/0x760 [tempesta_fw]
[ 1477.786485]  ? tfw_http_conn_drop+0x5d0/0x5d0 [tempesta_fw]
[ 1477.786893]  ? tfw_cache_put_entry+0x40/0x40 [tempesta_fw]
[ 1477.787281]  ? __kasan_check_write+0x14/0x20
[ 1477.787593]  ? _raw_spin_lock+0x7b/0xd0
[ 1477.787875]  ? _raw_write_lock_irqsave+0xe0/0xe0
[ 1477.788204]  ? __kasan_check_read+0x11/0x20
[ 1477.788506]  tfw_http_req_process+0xb62/0x1170 [tempesta_fw]
[ 1477.788902]  ? tfw_http_extract_request_authority+0x110/0x110 [tempesta_fw]
[ 1477.789375]  ? kasan_save_stack+0x40/0x50
[ 1477.789680]  ? bzero_fast+0xe/0x10 [tempesta_lib]
[ 1477.790015]  ? __tfw_http_msg_alloc+0x157/0x3b0 [tempesta_fw]
[ 1477.790424]  ? bzero_fast+0xe/0x10 [tempesta_lib]
[ 1477.790771]  ? tfw_http_init_parser_req+0x7c/0x90 [tempesta_fw]
[ 1477.791202]  ? tfw_http_conn_msg_alloc+0x1ec/0x3b0 [tempesta_fw]
[ 1477.791649]  tfw_http_msg_process_generic+0x39e/0xc60 [tempesta_fw]
[ 1477.792081]  ? lookup_address_in_pgd.part.0.constprop.0+0x215/0x280
[ 1477.792517]  ? tfw_http_req_process+0x1170/0x1170 [tempesta_fw]
[ 1477.792919]  ? pg_skb_alloc+0x60e/0x680
[ 1477.793185]  ? __kasan_check_write+0x14/0x20
[ 1477.793481]  ? __alloc_skb+0x278/0x350
[ 1477.793738]  ? __kasan_check_write+0x14/0x20
[ 1477.794044]  ? __coalesce_frag+0x139/0x390 [tempesta_fw]
[ 1477.794441]  ? ss_skb_queue_coalesce_tail+0x10c/0x2b0 [tempesta_fw]
[ 1477.794897]  tfw_http_msg_process+0x81/0xc0 [tempesta_fw]
[ 1477.795292]  tfw_connection_recv+0x127/0x230 [tempesta_fw]
[ 1477.795723]  ? tfw_connection_send+0x60/0x60 [tempesta_fw]
[ 1477.796111]  ss_tcp_process_data+0x49d/0x890 [tempesta_fw]
[ 1477.796496]  ? ss_do_close+0x720/0x720 [tempesta_fw]
[ 1477.796847]  ss_tcp_data_ready+0x82/0x150 [tempesta_fw]
[ 1477.797203]  tcp_data_ready+0x73/0x210
[ 1477.797460]  tcp_data_queue+0x1085/0x1d80
[ 1477.797734]  ? tcp_validate_incoming+0x1fa/0xa30
[ 1477.798049]  ? tcp_data_ready+0x210/0x210
[ 1477.798340]  ? tcp_try_keep_open+0x130/0x130
[ 1477.798646]  ? kvm_clock_get_cycles+0x11/0x20
[ 1477.798958]  ? ktime_get+0x4f/0xb0
[ 1477.799203]  tcp_rcv_established+0x422/0xb40
[ 1477.799508]  ? tcp_parse_md5sig_option+0x20/0xb0
[ 1477.799846]  ? tcp_data_queue+0x1d80/0x1d80
[ 1477.800132]  ? __kasan_check_read+0x11/0x20
[ 1477.800418]  tcp_v4_do_rcv+0x25f/0x360
[ 1477.800676]  tcp_v4_rcv+0x1600/0x1770
[ 1477.800928]  ? tcp_v4_early_demux+0x2f0/0x2f0
[ 1477.801227]  ip_protocol_deliver_rcu+0x46/0x2e0
[ 1477.801543]  ip_local_deliver_finish+0xc6/0xe0
[ 1477.801881]  ip_local_deliver+0x1f5/0x210
[ 1477.802181]  ? ip_local_deliver_finish+0xe0/0xe0
[ 1477.802520]  ? nf_nat_inet_fn+0x2b3/0x440 [nf_nat]
[ 1477.802861]  ? ip_protocol_deliver_rcu+0x2e0/0x2e0
[ 1477.803202]  ? ip_rcv_finish_core.constprop.0+0x17c/0x890
[ 1477.803594]  ip_rcv_finish+0xcf/0xf0
[ 1477.803856]  ip_rcv+0x16d/0x180
[ 1477.804083]  ? ip_local_deliver+0x210/0x210
[ 1477.804382]  ? ip_rcv_finish_core.constprop.0+0x890/0x890
[ 1477.804765]  ? ttwu_do_activate+0xa4/0x170
[ 1477.805058]  ? ip_local_deliver+0x210/0x210
[ 1477.805357]  __netif_receive_skb_one_core+0xeb/0x130
[ 1477.805710]  ? napi_gro_receive+0x260/0x260
[ 1477.806009]  ? __kasan_check_write+0x14/0x20
[ 1477.806334]  ? _raw_spin_lock+0x7b/0xd0
[ 1477.806629]  __netif_receive_skb+0x26/0xb0
[ 1477.806943]  process_backlog+0xfe/0x290
[ 1477.807239]  net_rx_action+0x287/0x6b0
[ 1477.807531]  ? napi_complete_done+0x2c0/0x2c0
[ 1477.807874]  ? switch_fpu_return+0x120/0x120
[ 1477.808179]  __do_softirq+0xfe/0x383
[ 1477.808438]  asm_call_irq_on_stack+0xf/0x20
[ 1477.808737]  </IRQ>
[ 1477.808893]  do_softirq_own_stack+0x3d/0x50
[ 1477.809193]  irq_exit_rcu+0xc7/0x120
[ 1477.809452]  sysvec_call_function_single+0x3a/0x90
[ 1477.809794]  asm_sysvec_call_function_single+0x12/0x20
[ 1477.810172] RIP: 0010:native_safe_halt+0xe/0x10
[ 1477.810506] Code: 49 8b 04 24 a8 08 0f 85 71 ff ff ff e9 0f ff ff ff cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d c4 c9 5a 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 c9 5a 00 f4 c3 cc cc 0f 1f 44 00
[ 1477.811857] RSP: 0018:ffff888100fefdb8 EFLAGS: 00000216
[ 1477.812230] RAX: ffffffff9b8abff0 RBX: ffff888100fe0040 RCX: ffffffff9b895dc5
[ 1477.812734] RDX: 000000000058852e RSI: 0000000000000004 RDI: ffff8882c1e74f40
[ 1477.813237] RBP: ffff888100fefdc0 R08: 0000000000000001 R09: ffff8882c1e74f43
[ 1477.813757] R10: ffffed10583ce9e8 R11: 0000000000000001 R12: 0000000000000001
[ 1477.814277] R13: ffffffffa3ff78e0 R14: 0000000000000000 R15: 0000000000000000
[ 1477.814783]  ? __cpuidle_text_start+0x8/0x8
[ 1477.815069]  ? rcu_eqs_enter.constprop.0+0x85/0xa0
[ 1477.815397]  ? default_idle+0xe/0x20
[ 1477.815667]  arch_cpu_idle+0x15/0x20
[ 1477.815917]  default_idle_call+0x66/0x160
[ 1477.816192]  do_idle+0x36f/0x430
[ 1477.816416]  ? asm_sysvec_call_function_single+0x12/0x20
[ 1477.816779]  ? arch_cpu_idle_exit+0x40/0x40
[ 1477.817079]  cpu_startup_entry+0x20/0x30
[ 1477.817349]  start_secondary+0x1c1/0x210
[ 1477.817619]  ? set_cpu_sibling_map+0xd70/0xd70
[ 1477.817924]  ? set_bringup_idt_handler.constprop.0+0x84/0x90
[ 1477.818325]  ? start_cpu0+0xc/0xc
[ 1477.818566]  secondary_startup_64_no_verify+0xb0/0xbb
[ 1477.818928] ---[ end trace 4967931ddd5b77b8 ]---
[ 1478.102576] [tdb] Close table 'client0.tdb'
[ 1478.218029] [tdb] Close table 'sessions0.tdb'
[ 1479.873551] [tdb] Close table 'cache0.tdb'
[ 1480.012014] [tdb] Close table 'filter0.tdb'
[ 1480.012406] [tempesta fw] modules are stopped
[ 1480.271876] [tempesta fw] exiting...
[ 1480.504549] [tdb] Shutdown Tempesta DB

WitalyAnisimov added a commit that referenced this issue May 27, 2025
@WitalyAnisimov
Fix #2361: avoid kernel warning on empty URI in tfw_cache_copy_resp()
a4b10fb
WitalyAnisimov added a commit that referenced this issue May 27, 2025
@WitalyAnisimov
Fix #2361: finalize fix in cache.c
641f3b2
WitalyAnisimov added a commit that referenced this issue May 27, 2025
@WitalyAnisimov
Fix #2361: finalize fix in cache.c
4f8eee1
@WitalyAnisimov WitalyAnisimov linked a pull request May 27, 2025 that will close this issue
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Fix #2361: avoid kernel warning on empty URI in tfw_cache_copy_resp() tempesta-tech/tempesta
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@krizhanovsky @EvgeniiMekhanik @WitalyAnisimov