[LU-16647] sanity: test 398b - crash, apparent bad memory usage

Fri, 16 Jun 2023 03:16:40 +0000

This issue was created by maloo for paf <pfarrell@whamcloud.com>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/f2e990c6-8b31-4b98-ac6a-67baa5074876

Test session details:
clients: https://build.whamcloud.com/job/lustre-reviews/92942 - 4.18.0-348.7.1.el8_5.x86_64
servers: https://build.whamcloud.com/job/lustre-reviews/92942 - 4.18.0-348.23.1.el8_lustre.x86_64

[11518.463899] Lustre: DEBUG MARKER: /usr/sbin/lctl mark == sanity test 398b: DIO and buffer IO race ============== 03:01:25 (1678417285)
[11518.832680] Lustre: DEBUG MARKER: == sanity test 398b: DIO and buffer IO race ============== 03:01:25 (1678417285)
[11707.306919] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[11707.316850] PGD 0 P4D 0
[11707.317445] Oops: 0000 1 SMP PTI
[11707.318552] CPU: 0 PID: 624774 Comm: ptlrpcd_00_01 Kdump: loaded Tainted: G W OE --------- - - 4.18.0-348.7.1.el8_5.x86_64 #1
[11707.321216] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[11707.322452] RIP: 0010:hash_walk_new_entry+0x9/0x60
[11707.323589] Code: 29 65 18 44 89 e0 5d 41 5c 41 5d 41 5e c3 e8 2e 89 54 00 eb b0 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 48 8b 77 20 <8b> 46 08 89 47 08 89 c2 48 8b 0e 25 ff 0f 00 00 c1 ea 0c 89 47 08
[11707.327249] RSP: 0018:ffffb7a780ef7a98 EFLAGS: 00010286
[11707.328479] RAX: 0000000000000000 RBX: ffff93ad02ce9c50 RCX: 0000000000000000
[11707.330049] RDX: 000000000000418c RSI: 0000000000000000 RDI: ffffb7a780ef7aa0
[11707.331663] RBP: 0000000000000000 R08: 00000000e06a32d0 R09: 000000008c7f13a3
[11707.333518] R10: 000000000c59656b R11: 000000004e1ffea9 R12: ffffb7a780ef7b08
[11707.334926] R13: ffffb7a780ef7c90 R14: 0000000000000000 R15: ffff93ad02ce9c00
[11707.336605] FS: 0000000000000000(0000) GS:ffff93adbcc00000(0000) knlGS:0000000000000000
[11707.338328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[11707.339674] CR2: 0000000000000008 CR3: 00000000aa410001 CR4: 00000000001706f0
[11707.341076] Call Trace:
[11707.341550] shash_ahash_update+0x41/0x60
[11707.342345] gss_digest_hash+0x8a/0x1d0 [ptlrpc_gss]
[11707.343209] ? gss_crypt_generic+0x330/0x330 [ptlrpc_gss]
[11707.344119] sk_make_hmac.isra.11+0x56/0xa0 [ptlrpc_gss]
[11707.345010] ? gss_crypt_generic+0x330/0x330 [ptlrpc_gss]
[11707.345907] sk_verify_hmac.isra.12+0x1ff/0x600 [ptlrpc_gss]
[11707.346861] ? gss_crypt_generic+0x330/0x330 [ptlrpc_gss]
[11707.347871] ? __LNetMDUnlink+0x1ec/0x260 [lnet]
[11707.348651] gss_verify_mic_sk+0x31/0x40 [ptlrpc_gss]
[11707.349512] ? gss_crypt_generic+0x330/0x330 [ptlrpc_gss]
[11707.350414] gss_verify_msg+0xce/0x1c0 [ptlrpc_gss]
[11707.351264] gss_cli_ctx_verify+0x7b3/0xad0 [ptlrpc_gss]
[11707.352409] do_cli_unwrap_reply+0x1f9/0x5b0 [ptlrpc]
[11707.353293] after_reply+0x111/0xe30 [ptlrpc]
[11707.354060] ptlrpc_check_set+0x1719/0x1f60 [ptlrpc]
[11707.354931] ptlrpcd+0x6c6/0xa50 [ptlrpc]
[11707.355641] ? do_wait_intr_irq+0xb0/0xb0
[11707.356348] ? ptlrpcd_add_req+0x2f0/0x2f0 [ptlrpc]
[11707.357196] kthread+0x116/0x130
[11707.357776] ? kthread_flush_work_fn+0x10/0x10
[11707.358547] ret_from_fork+0x35/0x40

Whamcloud Community JIRA

[LU-16647] sanity: test 398b - crash, apparent bad memory usage