https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-15500 Lustre <p>This has been happening for a while and hopefully somebody can look at it. Master and also at customer sites</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre> [60734.385258] Lustre: server umount lustre-OST0003 complete [60736.102740] device-mapper: core: cleaned up [60740.876637] Key type lgssc unregistered [60741.388491] LNet: Removed LNI 192.168.123.27@tcp [60742.924666] ------------[ cut here ]------------ [60742.925427] kernel BUG at crypto/algapi.c:405! [60742.925427] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [60742.925427] Modules linked in: libcfs(OE-) loop zfs(PO) zunicode(PO) zlua(PO) zcommon(PO) znvpair(PO) zavl(PO) icp(PO) spl(O) jbd2 mbcache crc32_generic crc_t10dif crct10dif_generic crct10dif_common virtio_balloon virtio_console i2c_piix4 pcspkr ip_tables rpcsec_gss_krb5 ata_generic pata_acpi drm_kms_helper ttm drm ata_piix drm_panel_orientation_quirks floppy libata virtio_blk serio_raw i2c_core [last unloaded: lnet] [60742.925427] CPU: 10 PID: 12048 Comm: rmmod Kdump: loaded Tainted: P W OE ------------ 3.10.0-7.9-debug #1 [60742.925427] Hardware name: Red Hat KVM, BIOS 1.13.0-2.module_el8.5.0+746+bbd5d70c 04/01/2014 [60742.925427] task: ffff8802ef7d9280 ti: ffff8802d8558000 task.ti: ffff8802d8558000 [60742.925427] RIP: 0010:[&lt;ffffffff8139fafa&gt;] [&lt;ffffffff8139fafa&gt;] crypto_unregister_alg+0xaa/0xb0 [60742.925427] RSP: 0018:ffff8802d855be50 EFLAGS: 00010202 [60742.925427] RAX: 0000000000000003 RBX: ffff8802d855be50 RCX: ffff8802d855bde0 [60742.925427] RDX: ffffffff00000001 RSI: ffff8802d855be50 RDI: ffffffff81cf3580 [60742.925427] RBP: ffff8802d855be80 R08: ffffffffa022b360 R09: 0000000000000000 [60742.925427] R10: 0000000000000429 R11: ffff8802ea37b1b8 R12: ffffffffa022b350 [60742.925427] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [60742.925427] FS: 00007fb84f4f9740(0000) GS:ffff880331c80000(0000) knlGS:0000000000000000 [60742.925427] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [60742.925427] CR2: 00007f03c8550288 CR3: 0000000295904000 CR4: 00000000000007e0 [60742.925427] Call Trace: [60742.925427] [&lt;ffffffff813a64b2&gt;] crypto_unregister_shash+0x12/0x20 [60742.925427] [&lt;ffffffffa0219935&gt;] cfs_crypto_adler32_unregister+0x15/0x20 [libcfs] [60742.925427] [&lt;ffffffffa0219179&gt;] cfs_crypto_unregister+0x29/0x40 [libcfs] [60742.925427] [&lt;ffffffffa021e171&gt;] libcfs_exit+0xa5/0x142 [libcfs] [60742.925427] [&lt;ffffffff8110f39b&gt;] SyS_delete_module+0x19b/0x320 [60742.925427] [&lt;ffffffff817edf49&gt;] ? system_call_after_swapgs+0x96/0x13a [60742.925427] [&lt;ffffffff817edf55&gt;] ? system_call_after_swapgs+0xa2/0x13a [60742.925427] [&lt;ffffffff817edf49&gt;] ? system_call_after_swapgs+0x96/0x13a [60742.925427] [&lt;ffffffff817edf55&gt;] ? system_call_after_swapgs+0xa2/0x13a [60742.925427] [&lt;ffffffff817edf49&gt;] ? system_call_after_swapgs+0x96/0x13a [60742.925427] [&lt;ffffffff817ee00c&gt;] system_call_fastpath+0x1f/0x24 [60742.925427] [&lt;ffffffff817edf55&gt;] ? system_call_after_swapgs+0xa2/0x13a [60742.925427] Code: 31 c0 48 8b 55 e0 65 48 33 14 25 28 00 00 00 75 15 48 83 c4 18 5b 41 5c 41 5d 5d c3 0f 1f 44 00 00 44 89 e8 eb dc e8 b6 d7 ce ff &lt;0f&gt; 0b 0f 1f 40 00 66 66 66 66 90 85 f6 7e 46 8d 46 ff 55 48 8d [60742.925427] RIP [&lt;ffffffff8139fafa&gt;] crypto_unregister_alg+0xaa/0xb0 [60742.925427] RSP &lt;ffff8802d855be50&gt;</pre> </div></div> LU-15500

Crash in crypto_unregister_alg on client modules unload

Bug Major Open Unresolved WC Triage Oleg Drokin Sat, 29 Jan 2022 05:24:49 +0000 Tue, 18 Apr 2023 05:37:39 +0000 Lustre 2.15.0 0 3 <p>I'm hitting this one quite often.</p> <p>this is due to early exit in osc_checksum_bulk_t10pi() and tgt_checksum_niobuf_t10pi():</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-keyword">if</span> (rc) GOTO(out, rc); <span class="code-keyword">if</span> (used_number != 0) cfs_crypto_hash_update_page(req, __page, 0, used_number * sizeof(*guard_start)); bufsize = sizeof(cksum); cfs_crypto_hash_final(req, (unsigned <span class="code-object">char</span> *)&amp;cksum, &amp;bufsize); .... out: </pre> </div></div> <p>"Alex Zhuravlev &lt;bzzz@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50666" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50666</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15500" title="Crash in crypto_unregister_alg on client modules unload" class="issue-link" data-issue-key="LU-15500">LU-15500</a> osc: calculate checksum unconditionally<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: df5e745a55c709e6ed4954273d268a740f9a9406</p> Related Development Rank 1|i02gqf: Rank (Obsolete) 9223372036854775807 Severity