Linux kernel 5.17.1 network bug

rich1.0phorkiehttps://p.cweiske.de/Linux kernel 5.17.1 network bugChristian Weiske86400900900 <link rel="stylesheet" href="https://p.cweiske.de/css/embed.css"/> <div class="phork" id="813"> <div class="phork-file"> <div class="phork-content"> <style type="text/css"></style><div class="code"><table class="log"><tbody><tr class="li1"><td class="ln"><pre class="de1">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 </pre></td><td class="de1"><pre class="de1">Linux dojo 5.17.1 #1 SMP PREEMPT Mon Apr 4 10:48:29 CEST 2022 x86_64 GNU/Linux     Sep 12 07:44:36 dojo kernel: [342083.563782] ------------[ cut here ]------------ Sep 12 07:44:36 dojo kernel: [342083.563785] TCP recvmsg seq # bug: copied B4F5C104, seq 34F596EC, rcvnxt B530509C, fl 0 Sep 12 07:44:36 dojo kernel: [342083.563801] WARNING: CPU: 2 PID: 758468 at net/ipv4/tcp.c:2390 tcp_recvmsg_locked+0x196/0x8b0 Sep 12 07:44:36 dojo kernel: [342083.563808] Modules linked in: cpufreq_conservative(E) cpufreq_userspace(E) cpufreq_ondemand(E) cpufreq_powersave(E) nfsv3(E) rpcsec_gss_krb5(E) nfsv4(E) dns_resolver(E) nfs(E) f scache(E) netfs(E) uinput(E) nfnetlink(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) hci_uart(E) snd_hda_codec_generic(E) btqca(E) ledtrig_audio(E) btrtl(E) btbcm(E) i915(E) btintel(E) cp210x(E) intel_rapl_m sr(E) intel_rapl_common(E) usbserial(E) intel_soc_dts_thermal(E) intel_soc_dts_iosf(E) snd_hda_intel(E) ttm(E) intel_powerclamp(E) bluetooth(E) drm_kms_helper(E) coretemp(E) snd_intel_dspcfg(E) jitterentropy_rng (E) snd_intel_sdw_acpi(E) kvm_intel(E) sha512_ssse3(E) snd_hda_codec(E) cec(E) kvm(E) sha512_generic(E) ctr(E) snd_hda_core(E) drbg(E) mei_hdcp(E) i2c_algo_bit(E) irqbypass(E) ppdev(E) snd_hwdep(E) mei_txe(E) sn d_pcm(E) iTCO_wdt(E) intel_pmc_bxt(E) mei(E) iTCO_vendor_support(E) aes_generic(E) watchdog(E) ghash_clmulni_intel(E) parport_pc(E) crypto_simd(E) ansi_cprng(E) evdev(E) snd_timer(E) at24(E) Sep 12 07:44:36 dojo kernel: [342083.563896]  parport(E) sg(E) ecdh_generic(E) rfkill(E) snd(E) ecc(E) cryptd(E) soundcore(E) pwm_lpss_platform(E) libaes(E) pwm_lpss(E) pcspkr(E) intel_cstate(E) button(E) nfsd(E ) loop(E) auth_rpcgss(E) nfs_acl(E) lockd(E) firewire_sbp2(E) firewire_core(E) grace(E) crc_itu_t(E) sunrpc(E) drm(E) fuse(E) configfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mb cache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E) xhci_pci(E) i2c_i801(E) crct10dif_pclmul(E) crct10dif_common(E) crc32_pclmul(E) ahci(E) crc32c_intel(E) libahci(E) xhci_hcd(E) i2c_smbus(E)  lpc_ich(E) libata(E) usbcore(E) r8169(E) realtek(E) mdio_devres(E) scsi_mod(E) libphy(E) usb_common(E) scsi_common(E) fan(E) video(E) Sep 12 07:44:36 dojo kernel: [342083.563978] CPU: 2 PID: 758468 Comm: kworker/u8:7 Tainted: G        W   E     5.17.1 #1 Sep 12 07:44:36 dojo kernel: [342083.563983] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Q1900B-ITX, BIOS P1.60 08/04/2014 Sep 12 07:44:36 dojo kernel: [342083.563986] Workqueue: xprtiod xs_stream_data_receive_workfn [sunrpc] Sep 12 07:44:36 dojo kernel: [342083.564044] RIP: 0010:tcp_recvmsg_locked+0x196/0x8b0 Sep 12 07:44:36 dojo kernel: [342083.564049] Code: 2b 49 89 c7 8b 33 41 8b 57 28 41 89 f0 41 29 d0 79 bc 41 8b 8e 78 05 00 00 44 8b 44 24 20 48 c7 c7 80 b0 d9 aa e8 d1 b5 10 00 <0f> 0b 44 3b 64 24 04 7c 10 49 8b  86 00 01 00 00 48 85 c0 0f 84 8c Sep 12 07:44:36 dojo kernel: [342083.564052] RSP: 0018:ffffb1e1c221fc40 EFLAGS: 00010286 Sep 12 07:44:36 dojo kernel: [342083.564056] RAX: 0000000000000000 RBX: ffffa00c032c42bc RCX: 0000000000000000 Sep 12 07:44:36 dojo kernel: [342083.564059] RDX: 0000000000000001 RSI: ffffffffaad41b48 RDI: 00000000ffffffff Sep 12 07:44:36 dojo kernel: [342083.564061] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb1e1c221fa68 Sep 12 07:44:36 dojo kernel: [342083.564064] R10: 000000042144ef68 R11: 000000042144efb8 R12: 0000000000000000 Sep 12 07:44:36 dojo kernel: [342083.564067] R13: ffffa00c032c3e18 R14: ffffa00c032c3d40 R15: ffffa00b23835400 Sep 12 07:44:36 dojo kernel: [342083.564069] FS:  0000000000000000(0000) GS:ffffa00d38100000(0000) knlGS:0000000000000000 Sep 12 07:44:36 dojo kernel: [342083.564073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 12 07:44:36 dojo kernel: [342083.564076] CR2: 00007fd6e1703050 CR3: 0000000109c9c000 CR4: 00000000001006e0 Sep 12 07:44:36 dojo kernel: [342083.564079] Call Trace: Sep 12 07:44:36 dojo kernel: [342083.564081]  <TASK> Sep 12 07:44:36 dojo kernel: [342083.564085]  ? sched_clock_cpu+0xd/0xd0 Sep 12 07:44:36 dojo kernel: [342083.564090]  tcp_recvmsg+0xa5/0x1e0 Sep 12 07:44:36 dojo kernel: [342083.564095]  ? aa_sk_perm+0x3e/0x1a0 Sep 12 07:44:36 dojo kernel: [342083.564100]  inet_recvmsg+0x5c/0x130 Sep 12 07:44:36 dojo kernel: [342083.564105]  xs_stream_data_receive+0x197/0x4c0 [sunrpc] Sep 12 07:44:36 dojo kernel: [342083.564162]  ? _raw_spin_unlock+0x16/0x30 Sep 12 07:44:36 dojo kernel: [342083.564167]  ? __switch_to+0x7b/0x450 Sep 12 07:44:36 dojo kernel: [342083.564174]  xs_stream_data_receive_workfn+0x2c/0x40 [sunrpc] Sep 12 07:44:36 dojo kernel: [342083.564231]  process_one_work+0x1e5/0x3b0 Sep 12 07:44:36 dojo kernel: [342083.564236]  worker_thread+0x4d/0x380 Sep 12 07:44:36 dojo kernel: [342083.564241]  ? process_one_work+0x3b0/0x3b0 Sep 12 07:44:36 dojo kernel: [342083.564245]  kthread+0xe7/0x110 Sep 12 07:44:36 dojo kernel: [342083.564249]  ? kthread_complete_and_exit+0x20/0x20 Sep 12 07:44:36 dojo kernel: [342083.564255]  ret_from_fork+0x22/0x30 Sep 12 07:44:36 dojo kernel: [342083.564262]  </TASK> Sep 12 07:44:36 dojo kernel: [342083.564264] ---[ end trace 0000000000000000 ]---  </pre></td></tr></tbody></table></div> </div> <div class="phork-meta"> <a href="https://p.cweiske.de/813/rev-raw/a794e1971a73b918a9e7482b00df2cbfe2bec835/phork0.log" style="float: right">view raw source</a> <a href="https://p.cweiske.de/813#phork0.log">phork0.log</a> </div> </div> </div>