Hello, hit warning issue and kernel panic when running test ubdsrv generic/006, the fix patch for kernel panic is still not merged yet, can we merge the fix asap? https://lore.kernel.org/linux-block/CAGVVp+UvLiS+bhNXV-h2icwX1dyybbYHeQUuH7RYqUvMQf6N3w@xxxxxxxxxxxxxx/T/#mc8bcd0a95e528bb0cbaf2be6f0e117e82308f01e repo: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git branch: for-next commit HEAD: 4da1b0ec4dd2ae3edf880b6aac49cc5cfdc121cb dmesg log: [16641.027175] ------------[ cut here ]------------ [16641.032547] WARNING: CPU: 23 PID: 67278 at drivers/block/ublk_drv.c:2665 ublk_ctrl_start_recovery.constprop.0+0x7b/0x180 [16641.044847] Modules linked in: loop scsi_debug tls ext4 mbcache jbd2 rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace netfs rfkill sunrpc dm_multipath intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common i10nm_edac skx_edac_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm dax_hmem cxl_acpi mgag200 cxl_core iTCO_wdt rapl acpi_power_meter isst_if_mbox_pci isst_if_mmio mei_me i2c_algo_bit iTCO_vendor_support ipmi_ssif drm_shmem_helper intel_cstate drm_kms_helper intel_uncore mei intel_th_gth ioatdma i2c_i801 einj pcspkr intel_th_pci isst_if_common intel_vsec i2c_smbus intel_pch_thermal intel_th dca ipmi_si acpi_ipmi ipmi_devintf ipmi_msghandler acpi_pad drm fuse xfs libcrc32c sd_mod sg ahci crct10dif_pclmul libahci crc32_pclmul crc32c_intel libata tg3 ghash_clmulni_intel wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: null_blk] [16641.137685] CPU: 23 UID: 0 PID: 67278 Comm: iou-wrk-67264 Kdump: loaded Not tainted 6.11.0-rc5+ #1 [16641.147732] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW, BIOS AFE120G-1.40 09/20/2022 [16641.157488] RIP: 0010:ublk_ctrl_start_recovery.constprop.0+0x7b/0x180 [16641.164728] Code: a3 00 00 00 45 31 ed 41 be ff ff ff ff 44 89 eb 41 0f af 5c 24 10 49 03 5c 24 08 48 8b 7b 10 48 85 ff 74 06 f6 47 2c 04 75 02 <0f> 0b 31 d2 4c 8d 47 28 44 89 f0 66 89 53 38 f0 0f c1 47 28 83 f8 [16641.185731] RSP: 0018:ff3e23418adefcf0 EFLAGS: 00010246 [16641.191603] RAX: 0000000000000002 RBX: ff11587666b3c000 RCX: 0000000000000000 [16641.199611] RDX: ff1158792fea8000 RSI: 0000000000000010 RDI: 0000000000000000 [16641.207626] RBP: ff11587662973468 R08: 0000000045e451fd R09: ffffffffa96e6660 [16641.215632] R10: 0000000000000000 R11: 0000000000000000 R12: ff11587662973000 [16641.223663] R13: 0000000000000000 R14: 00000000ffffffff R15: ff115876962bc080 [16641.231669] FS: 00007fe1f6eba740(0000) GS:ff1158796ff80000(0000) knlGS:0000000000000000 [16641.240743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [16641.247209] CR2: 00007fbb11bfbae0 CR3: 000000040f4c2006 CR4: 0000000000771ef0 [16641.255215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [16641.263222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [16641.271237] PKRU: 55555554 [16641.274300] Call Trace: [16641.277074] <TASK> [16641.279460] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.284757] ? __warn+0x7f/0x120 [16641.288400] ? ublk_ctrl_start_recovery.constprop.0+0x7b/0x180 [16641.294967] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.300266] ? report_bug+0x18a/0x1a0 [16641.304421] ? handle_bug+0x3c/0x70 [16641.308364] ? exc_invalid_op+0x14/0x70 [16641.312697] ? asm_exc_invalid_op+0x16/0x20 [16641.317452] ? ublk_ctrl_start_recovery.constprop.0+0x7b/0x180 [16641.324043] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.329342] ublk_ctrl_uring_cmd+0x2b5/0x5e0 [16641.334195] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.339485] io_uring_cmd+0x9b/0x1e0 [16641.343538] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.348825] io_issue_sqe+0x18f/0x3f0 [16641.352983] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.358281] io_wq_submit_work+0x98/0x350 [16641.362820] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.368114] io_worker_handle_work+0x34c/0x450 [16641.373153] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.378449] io_wq_worker+0xcb/0x2f0 [16641.382495] ? trace_graph_return+0x90/0xd0 [16641.387215] ? ret_from_fork+0x17/0x50 [16641.391473] ? __pfx_io_wq_worker+0x10/0x10 [16641.396204] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.401513] ret_from_fork+0x2d/0x50 [16641.405549] ? __pfx_io_wq_worker+0x10/0x10 [16641.410267] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.415565] ret_from_fork_asm+0x1a/0x30 [16641.420051] </TASK> [16641.422529] ---[ end trace 0000000000000000 ]--- [16641.427728] BUG: kernel NULL pointer dereference, address: 0000000000000028 [16641.435503] #PF: supervisor write access in kernel mode [16641.441339] #PF: error_code(0x0002) - not-present page [16641.447077] PGD 182aef067 P4D 40502c067 PUD 172c05067 PMD 0 [16641.453412] Oops: Oops: 0002 [#1] PREEMPT SMP NOPTI [16641.458862] CPU: 23 UID: 0 PID: 67278 Comm: iou-wrk-67264 Kdump: loaded Tainted: G W 6.11.0-rc5+ #1 [16641.470518] Tainted: [W]=WARN [16641.473831] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW, BIOS AFE120G-1.40 09/20/2022 [16641.483546] RIP: 0010:ublk_ctrl_start_recovery.constprop.0+0x8a/0x180 [16641.490741] Code: eb 41 0f af 5c 24 10 49 03 5c 24 08 48 8b 7b 10 48 85 ff 74 06 f6 47 2c 04 75 02 0f 0b 31 d2 4c 8d 47 28 44 89 f0 66 89 53 38 <f0> 0f c1 47 28 83 f8 01 0f 84 ba 00 00 00 85 c0 0f 8e bc 00 00 00 [16641.511702] RSP: 0018:ff3e23418adefcf0 EFLAGS: 00010246 [16641.517539] RAX: 00000000ffffffff RBX: ff11587666b3c000 RCX: 0000000000000000 [16641.525507] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000000 [16641.533477] RBP: ff11587662973468 R08: 0000000000000028 R09: ffffffffa96e6660 [16641.541447] R10: 0000000000000000 R11: 0000000000000000 R12: ff11587662973000 [16641.549416] R13: 0000000000000000 R14: 00000000ffffffff R15: ff115876962bc080 [16641.557386] FS: 00007fe1f6eba740(0000) GS:ff1158796ff80000(0000) knlGS:0000000000000000 [16641.566420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [16641.572836] CR2: 0000000000000028 CR3: 000000040f4c2006 CR4: 0000000000771ef0 [16641.580805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [16641.588772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [16641.596739] PKRU: 55555554 [16641.599761] Call Trace: [16641.602495] <TASK> [16641.604841] ? __die+0x20/0x70 [16641.608257] ? page_fault_oops+0x75/0x170 [16641.612747] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.618005] ? exc_page_fault+0x64/0x140 [16641.622392] ? asm_exc_page_fault+0x22/0x30 [16641.627082] ? ublk_ctrl_start_recovery.constprop.0+0x8a/0x180 [16641.633605] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.638859] ublk_ctrl_uring_cmd+0x2b5/0x5e0 [16641.643637] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.648893] io_uring_cmd+0x9b/0x1e0 [16641.652893] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.658150] io_issue_sqe+0x18f/0x3f0 [16641.662250] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.667507] io_wq_submit_work+0x98/0x350 [16641.671993] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.677249] io_worker_handle_work+0x34c/0x450 [16641.682226] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.687483] io_wq_worker+0xcb/0x2f0 [16641.691481] ? trace_graph_return+0x90/0xd0 [16641.696156] ? ret_from_fork+0x17/0x50 [16641.700352] ? __pfx_io_wq_worker+0x10/0x10 [16641.705030] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.710286] ret_from_fork+0x2d/0x50 [16641.714280] ? __pfx_io_wq_worker+0x10/0x10 [16641.718957] ? ftrace_stub_direct_tramp+0x10/0x10 [16641.724213] ret_from_fork_asm+0x1a/0x30 [16641.728614] </TASK> [16641.731057] Modules linked in: loop scsi_debug tls ext4 mbcache jbd2 rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace netfs rfkill sunrpc dm_multipath intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common i10nm_edac skx_edac_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm dax_hmem cxl_acpi mgag200 cxl_core iTCO_wdt rapl acpi_power_meter isst_if_mbox_pci isst_if_mmio mei_me i2c_algo_bit iTCO_vendor_support ipmi_ssif drm_shmem_helper intel_cstate drm_kms_helper intel_uncore mei intel_th_gth ioatdma i2c_i801 einj pcspkr intel_th_pci isst_if_common intel_vsec i2c_smbus intel_pch_thermal intel_th dca ipmi_si acpi_ipmi ipmi_devintf ipmi_msghandler acpi_pad drm fuse xfs libcrc32c sd_mod sg ahci crct10dif_pclmul libahci crc32_pclmul crc32c_intel libata tg3 ghash_clmulni_intel wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: null_blk] [16641.821812] CR2: 0000000000000028 [ 0.021790] CPU topo: Boot CPU APIC ID not the first enumerated APIC ID: 17 != 0 [ 0.021792] CPU topo: Crash kernel detected. Disabling real BSP to prevent machine INIT [ 0.021792] CPU topo: CPU limit of 1 reached. Ignoring further CPUs [ 0.027879] Misrouted IRQ fixup and polling support enabled [ 0.027880] This may significantly impact system performance [ 0.042210] Spurious LAPIC timer interrupt on cpu 0 [ 0.100454] x86/cpu: SGX disabled by BIOS. [ 0.123956] [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 38d is b0) [ 0.124420] Intel PMU driver. [ 0.581405] Initramfs unpacking failed: write error [ 0.608767] mce: Unable to init MCE device (rc: -5) [ 0.790162] Failed to execute /init (error -2) [ 0.795392] Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance. [ 0.811174] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc5+ #1 [ 0.818918] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW, BIOS AFE120G-1.40 09/20/2022 [ 0.828604] Call Trace: [ 0.831325] <TASK> [ 0.833661] panic+0x339/0x360 [ 0.837064] ? kernel_execve+0x114/0x150 [ 0.841425] ? __pfx_kernel_init+0x10/0x10 [ 0.845986] kernel_init+0x185/0x1d0 [ 0.849967] ret_from_fork+0x2d/0x50 [ 0.853940] ? __pfx_kernel_init+0x10/0x10 [ 0.858501] ret_from_fork_asm+0x1a/0x30 [ 0.862869] </TASK> [ 0.865304] Kernel Offset: disabled [ 0.937284] Rebooting in 10 seconds.. Thanks, Changhui
