{"api_version":"1","generated_at":"2026-08-25T00:55:51+00:00","cve":"CVE-2022-49701","urls":{"html":"https://cve.report/CVE-2022-49701","api":"https://cve.report/api/cve/CVE-2022-49701.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-49701","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-49701"},"summary":{"title":"scsi: ibmvfc: Allocate/free queue resource only during probe/remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ibmvfc: Allocate/free queue resource only during probe/remove\n\nCurrently, the sub-queues and event pool resources are allocated/freed for\nevery CRQ connection event such as reset and LPM. This exposes the driver\nto a couple issues. First the inefficiency of freeing and reallocating\nmemory that can simply be resued after being sanitized. Further, a system\nunder memory pressue runs the risk of allocation failures that could result\nin a crippled driver. Finally, there is a race window where command\nsubmission/compeletion can try to pull/return elements from/to an event\npool that is being deleted or already has been deleted due to the lack of\nhost state around freeing/allocating resources. The following is an example\nof list corruption following a live partition migration (LPM):\n\nOops: Exception in kernel mode, sig: 5 [#1]\nLE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries\nModules linked in: vfat fat isofs cdrom ext4 mbcache jbd2 nft_counter nft_compat nf_tables nfnetlink rpadlpar_io rpaphp xsk_diag nfsv3 nfs_acl nfs lockd grace fscache netfs rfkill bonding tls sunrpc pseries_rng drm drm_panel_orientation_quirks xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc scsi_transport_fc ibmveth vmx_crypto dm_multipath dm_mirror dm_region_hash dm_log dm_mod ipmi_devintf ipmi_msghandler fuse\nCPU: 0 PID: 2108 Comm: ibmvfc_0 Kdump: loaded Not tainted 5.14.0-70.9.1.el9_0.ppc64le #1\nNIP: c0000000007c4bb0 LR: c0000000007c4bac CTR: 00000000005b9a10\nREGS: c00000025c10b760 TRAP: 0700  Not tainted (5.14.0-70.9.1.el9_0.ppc64le)\nMSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 2800028f XER: 0000000f\nCFAR: c0000000001f55bc IRQMASK: 0\n        GPR00: c0000000007c4bac c00000025c10ba00 c000000002a47c00 000000000000004e\n        GPR04: c0000031e3006f88 c0000031e308bd00 c00000025c10b768 0000000000000027\n        GPR08: 0000000000000000 c0000031e3009dc0 00000031e0eb0000 0000000000000000\n        GPR12: c0000031e2ffffa8 c000000002dd0000 c000000000187108 c00000020fcee2c0\n        GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000\n        GPR20: 0000000000000000 0000000000000000 0000000000000000 c008000002f81300\n        GPR24: 5deadbeef0000100 5deadbeef0000122 c000000263ba6910 c00000024cc88000\n        GPR28: 000000000000003c c0000002430a0000 c0000002430ac300 000000000000c300\nNIP [c0000000007c4bb0] __list_del_entry_valid+0x90/0x100\nLR [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100\nCall Trace:\n[c00000025c10ba00] [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100 (unreliable)\n[c00000025c10ba60] [c008000002f42284] ibmvfc_free_queue+0xec/0x210 [ibmvfc]\n[c00000025c10bb10] [c008000002f4246c] ibmvfc_deregister_scsi_channel+0xc4/0x160 [ibmvfc]\n[c00000025c10bba0] [c008000002f42580] ibmvfc_release_sub_crqs+0x78/0x130 [ibmvfc]\n[c00000025c10bc20] [c008000002f4f6cc] ibmvfc_do_work+0x5c4/0xc70 [ibmvfc]\n[c00000025c10bce0] [c008000002f4fdec] ibmvfc_work+0x74/0x1e8 [ibmvfc]\n[c00000025c10bda0] [c0000000001872b8] kthread+0x1b8/0x1c0\n[c00000025c10be10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64\nInstruction dump:\n40820034 38600001 38210060 4e800020 7c0802a6 7c641b78 3c62fe7a 7d254b78\n3863b590 f8010070 4ba309cd 60000000 <0fe00000> 7c0802a6 3c62fe7a 3863b640\n---[ end trace 11a2b65a92f8b66c ]---\nibmvfc 30000003: Send warning. Receive queue closed, will retry.\n\nAdd registration/deregistration helpers that are called instead during\nconnection resets to sanitize and reconfigure the queues.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-02-26 07:01:44","updated_at":"2026-08-04 10:17:54"},"problem_types":["CWE-401"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/161ec2a0807ddd58bc0f24f3e1e7e3d4fef5297f","name":"https://git.kernel.org/stable/c/161ec2a0807ddd58bc0f24f3e1e7e3d4fef5297f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9f23c499ca601b2a1e1d2e761d03964b739bca0e","name":"https://git.kernel.org/stable/c/9f23c499ca601b2a1e1d2e761d03964b739bca0e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/72ea7fe0db73d65c7d977208842d8ade9b823de9","name":"https://git.kernel.org/stable/c/72ea7fe0db73d65c7d977208842d8ade9b823de9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-49701","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49701","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3034ebe26389740bb6b4a463e05afb51dc93c336 161ec2a0807ddd58bc0f24f3e1e7e3d4fef5297f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3034ebe26389740bb6b4a463e05afb51dc93c336 9f23c499ca601b2a1e1d2e761d03964b739bca0e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3034ebe26389740bb6b4a463e05afb51dc93c336 72ea7fe0db73d65c7d977208842d8ade9b823de9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.51 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18.8 5.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.19 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"49701","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/ibmvscsi/ibmvfc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"161ec2a0807ddd58bc0f24f3e1e7e3d4fef5297f","status":"affected","version":"3034ebe26389740bb6b4a463e05afb51dc93c336","versionType":"git"},{"lessThan":"9f23c499ca601b2a1e1d2e761d03964b739bca0e","status":"affected","version":"3034ebe26389740bb6b4a463e05afb51dc93c336","versionType":"git"},{"lessThan":"72ea7fe0db73d65c7d977208842d8ade9b823de9","status":"affected","version":"3034ebe26389740bb6b4a463e05afb51dc93c336","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/ibmvscsi/ibmvfc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.51","versionType":"semver"},{"lessThanOrEqual":"5.18.*","status":"unaffected","version":"5.18.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"5.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.51","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.18.8","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.19","versionStartIncluding":"5.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ibmvfc: Allocate/free queue resource only during probe/remove\n\nCurrently, the sub-queues and event pool resources are allocated/freed for\nevery CRQ connection event such as reset and LPM. This exposes the driver\nto a couple issues. First the inefficiency of freeing and reallocating\nmemory that can simply be resued after being sanitized. Further, a system\nunder memory pressue runs the risk of allocation failures that could result\nin a crippled driver. Finally, there is a race window where command\nsubmission/compeletion can try to pull/return elements from/to an event\npool that is being deleted or already has been deleted due to the lack of\nhost state around freeing/allocating resources. The following is an example\nof list corruption following a live partition migration (LPM):\n\nOops: Exception in kernel mode, sig: 5 [#1]\nLE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries\nModules linked in: vfat fat isofs cdrom ext4 mbcache jbd2 nft_counter nft_compat nf_tables nfnetlink rpadlpar_io rpaphp xsk_diag nfsv3 nfs_acl nfs lockd grace fscache netfs rfkill bonding tls sunrpc pseries_rng drm drm_panel_orientation_quirks xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc scsi_transport_fc ibmveth vmx_crypto dm_multipath dm_mirror dm_region_hash dm_log dm_mod ipmi_devintf ipmi_msghandler fuse\nCPU: 0 PID: 2108 Comm: ibmvfc_0 Kdump: loaded Not tainted 5.14.0-70.9.1.el9_0.ppc64le #1\nNIP: c0000000007c4bb0 LR: c0000000007c4bac CTR: 00000000005b9a10\nREGS: c00000025c10b760 TRAP: 0700  Not tainted (5.14.0-70.9.1.el9_0.ppc64le)\nMSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 2800028f XER: 0000000f\nCFAR: c0000000001f55bc IRQMASK: 0\n        GPR00: c0000000007c4bac c00000025c10ba00 c000000002a47c00 000000000000004e\n        GPR04: c0000031e3006f88 c0000031e308bd00 c00000025c10b768 0000000000000027\n        GPR08: 0000000000000000 c0000031e3009dc0 00000031e0eb0000 0000000000000000\n        GPR12: c0000031e2ffffa8 c000000002dd0000 c000000000187108 c00000020fcee2c0\n        GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000\n        GPR20: 0000000000000000 0000000000000000 0000000000000000 c008000002f81300\n        GPR24: 5deadbeef0000100 5deadbeef0000122 c000000263ba6910 c00000024cc88000\n        GPR28: 000000000000003c c0000002430a0000 c0000002430ac300 000000000000c300\nNIP [c0000000007c4bb0] __list_del_entry_valid+0x90/0x100\nLR [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100\nCall Trace:\n[c00000025c10ba00] [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100 (unreliable)\n[c00000025c10ba60] [c008000002f42284] ibmvfc_free_queue+0xec/0x210 [ibmvfc]\n[c00000025c10bb10] [c008000002f4246c] ibmvfc_deregister_scsi_channel+0xc4/0x160 [ibmvfc]\n[c00000025c10bba0] [c008000002f42580] ibmvfc_release_sub_crqs+0x78/0x130 [ibmvfc]\n[c00000025c10bc20] [c008000002f4f6cc] ibmvfc_do_work+0x5c4/0xc70 [ibmvfc]\n[c00000025c10bce0] [c008000002f4fdec] ibmvfc_work+0x74/0x1e8 [ibmvfc]\n[c00000025c10bda0] [c0000000001872b8] kthread+0x1b8/0x1c0\n[c00000025c10be10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64\nInstruction dump:\n40820034 38600001 38210060 4e800020 7c0802a6 7c641b78 3c62fe7a 7d254b78\n3863b590 f8010070 4ba309cd 60000000 <0fe00000> 7c0802a6 3c62fe7a 3863b640\n---[ end trace 11a2b65a92f8b66c ]---\nibmvfc 30000003: Send warning. Receive queue closed, will retry.\n\nAdd registration/deregistration helpers that are called instead during\nconnection resets to sanitize and reconfigure the queues."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:06:18.313Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/161ec2a0807ddd58bc0f24f3e1e7e3d4fef5297f"},{"url":"https://git.kernel.org/stable/c/9f23c499ca601b2a1e1d2e761d03964b739bca0e"},{"url":"https://git.kernel.org/stable/c/72ea7fe0db73d65c7d977208842d8ade9b823de9"}],"title":"scsi: ibmvfc: Allocate/free queue resource only during probe/remove","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2022-49701","datePublished":"2025-02-26T02:24:21.358Z","dateReserved":"2025-02-26T02:21:30.443Z","dateUpdated":"2026-08-04T09:06:18.313Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-02-26 07:01:44","lastModifiedDate":"2026-08-04 10:17:54","problem_types":["CWE-401"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.51","matchCriteriaId":"4F253781-33CA-48EF-8F4F-312C5101785F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.18.8","matchCriteriaId":"0172D3FA-DDEB-482A-A270-4A1495A8798C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*","matchCriteriaId":"A8C30C2D-F82D-4D37-AB48-D76ABFBD5377"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*","matchCriteriaId":"BF8547FC-C849-4F1B-804B-A93AE2F04A92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F3068028-F453-4A1C-B80F-3F5609ACEF60"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"49701","Ordinal":"1","Title":"scsi: ibmvfc: Allocate/free queue resource only during probe/rem","CVE":"CVE-2022-49701","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"49701","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ibmvfc: Allocate/free queue resource only during probe/remove\n\nCurrently, the sub-queues and event pool resources are allocated/freed for\nevery CRQ connection event such as reset and LPM. This exposes the driver\nto a couple issues. First the inefficiency of freeing and reallocating\nmemory that can simply be resued after being sanitized. Further, a system\nunder memory pressue runs the risk of allocation failures that could result\nin a crippled driver. Finally, there is a race window where command\nsubmission/compeletion can try to pull/return elements from/to an event\npool that is being deleted or already has been deleted due to the lack of\nhost state around freeing/allocating resources. The following is an example\nof list corruption following a live partition migration (LPM):\n\nOops: Exception in kernel mode, sig: 5 [#1]\nLE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries\nModules linked in: vfat fat isofs cdrom ext4 mbcache jbd2 nft_counter nft_compat nf_tables nfnetlink rpadlpar_io rpaphp xsk_diag nfsv3 nfs_acl nfs lockd grace fscache netfs rfkill bonding tls sunrpc pseries_rng drm drm_panel_orientation_quirks xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc scsi_transport_fc ibmveth vmx_crypto dm_multipath dm_mirror dm_region_hash dm_log dm_mod ipmi_devintf ipmi_msghandler fuse\nCPU: 0 PID: 2108 Comm: ibmvfc_0 Kdump: loaded Not tainted 5.14.0-70.9.1.el9_0.ppc64le #1\nNIP: c0000000007c4bb0 LR: c0000000007c4bac CTR: 00000000005b9a10\nREGS: c00000025c10b760 TRAP: 0700  Not tainted (5.14.0-70.9.1.el9_0.ppc64le)\nMSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 2800028f XER: 0000000f\nCFAR: c0000000001f55bc IRQMASK: 0\n        GPR00: c0000000007c4bac c00000025c10ba00 c000000002a47c00 000000000000004e\n        GPR04: c0000031e3006f88 c0000031e308bd00 c00000025c10b768 0000000000000027\n        GPR08: 0000000000000000 c0000031e3009dc0 00000031e0eb0000 0000000000000000\n        GPR12: c0000031e2ffffa8 c000000002dd0000 c000000000187108 c00000020fcee2c0\n        GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000\n        GPR20: 0000000000000000 0000000000000000 0000000000000000 c008000002f81300\n        GPR24: 5deadbeef0000100 5deadbeef0000122 c000000263ba6910 c00000024cc88000\n        GPR28: 000000000000003c c0000002430a0000 c0000002430ac300 000000000000c300\nNIP [c0000000007c4bb0] __list_del_entry_valid+0x90/0x100\nLR [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100\nCall Trace:\n[c00000025c10ba00] [c0000000007c4bac] __list_del_entry_valid+0x8c/0x100 (unreliable)\n[c00000025c10ba60] [c008000002f42284] ibmvfc_free_queue+0xec/0x210 [ibmvfc]\n[c00000025c10bb10] [c008000002f4246c] ibmvfc_deregister_scsi_channel+0xc4/0x160 [ibmvfc]\n[c00000025c10bba0] [c008000002f42580] ibmvfc_release_sub_crqs+0x78/0x130 [ibmvfc]\n[c00000025c10bc20] [c008000002f4f6cc] ibmvfc_do_work+0x5c4/0xc70 [ibmvfc]\n[c00000025c10bce0] [c008000002f4fdec] ibmvfc_work+0x74/0x1e8 [ibmvfc]\n[c00000025c10bda0] [c0000000001872b8] kthread+0x1b8/0x1c0\n[c00000025c10be10] [c00000000000cd64] ret_from_kernel_thread+0x5c/0x64\nInstruction dump:\n40820034 38600001 38210060 4e800020 7c0802a6 7c641b78 3c62fe7a 7d254b78\n3863b590 f8010070 4ba309cd 60000000 <0fe00000> 7c0802a6 3c62fe7a 3863b640\n---[ end trace 11a2b65a92f8b66c ]---\nibmvfc 30000003: Send warning. Receive queue closed, will retry.\n\nAdd registration/deregistration helpers that are called instead during\nconnection resets to sanitize and reconfigure the queues.","Type":"Description","Title":"scsi: ibmvfc: Allocate/free queue resource only during probe/rem"}]}}}