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Tue, 4 Mar 2025 05:04:59 +0000 Date: Tue, 4 Mar 2025 13:04:50 +0800 From: kernel test robot To: Chaohai Chen CC: , , , , , , , Chaohai Chen , Subject: Re: [PATCH v2] scsi: stop judging after finding a VPD page expected to be processed. 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=?us-ascii?Q?jQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 0dc40801-7ddb-43c5-49e0-08dd5ada1cf4 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB8587.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Mar 2025 05:04:59.2869 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 1IpDWOr/BneoQZ2Aj0MKjgmpQHDHMim5vGgM/teZgaTS12AefQa13wS4sin6NBtNHbJQYnVDmF6Io6VV2MRHxA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB7273 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on: commit: 8e44a5176a631b6b5ba7efa557d8b1895eb56d85 ("[PATCH v2] scsi: stop judging after finding a VPD page expected to be processed.") url: https://github.com/intel-lab-lkp/linux/commits/Chaohai-Chen/scsi-stop-judging-after-finding-a-VPD-page-expected-to-be-processed/20250227-140720 base: https://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/all/20250227060618.15787-1-wdhh6@aliyun.com/ patch subject: [PATCH v2] scsi: stop judging after finding a VPD page expected to be processed. in testcase: boot config: x86_64-rhel-9.4 compiler: gcc-12 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +---------------------------------------------+------------+------------+ | | 5d51aea463 | 8e44a5176a | +---------------------------------------------+------------+------------+ | boot_successes | 12 | 0 | | boot_failures | 0 | 14 | | BUG:unable_to_handle_page_fault_for_address | 0 | 14 | | Oops | 0 | 14 | | RIP:build_detached_freelist | 0 | 14 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 14 | +---------------------------------------------+------------+------------+ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202503041036.ad427cb-lkp@intel.com [ 14.245211][ T124] BUG: unable to handle page fault for address: ffffdeda9e000008 [ 14.245852][ T124] #PF: supervisor read access in kernel mode [ 14.246293][ T124] #PF: error_code(0x0000) - not-present page [ 14.246740][ T124] PGD 0 P4D 0 [ 14.247003][ T124] Oops: Oops: 0000 [#1] SMP PTI [ 14.247375][ T124] CPU: 1 UID: 0 PID: 124 Comm: kworker/u8:3 Not tainted 6.14.0-rc1-00076-g8e44a5176a63 #1 [ 14.248100][ T124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 14.248837][ T124] Workqueue: events_unbound kfree_rcu_work [ 14.249283][ T124] RIP: 0010:build_detached_freelist (include/linux/page-flags.h:243 include/linux/mm.h:1297 mm/slab.h:211 mm/slub.c:4941) [ 14.250299][ T124] Code: 8b 03 48 89 ca 48 01 c2 0f 82 ed 01 00 00 4d 89 d3 4c 2b 1d 74 b4 57 01 4c 01 da 48 c1 ea 0c 48 c1 e2 06 48 03 15 52 b4 57 01 <4c> 8b 6a 08 49 89 d3 41 f6 c5 01 0f 85 dd 00 00 00 0f 1f 44 00 00 All code ======== 0: 8b 03 mov (%rbx),%eax 2: 48 89 ca mov %rcx,%rdx 5: 48 01 c2 add %rax,%rdx 8: 0f 82 ed 01 00 00 jb 0x1fb e: 4d 89 d3 mov %r10,%r11 11: 4c 2b 1d 74 b4 57 01 sub 0x157b474(%rip),%r11 # 0x157b48c 18: 4c 01 da add %r11,%rdx 1b: 48 c1 ea 0c shr $0xc,%rdx 1f: 48 c1 e2 06 shl $0x6,%rdx 23: 48 03 15 52 b4 57 01 add 0x157b452(%rip),%rdx # 0x157b47c 2a:* 4c 8b 6a 08 mov 0x8(%rdx),%r13 <-- trapping instruction 2e: 49 89 d3 mov %rdx,%r11 31: 41 f6 c5 01 test $0x1,%r13b 35: 0f 85 dd 00 00 00 jne 0x118 3b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Code starting with the faulting instruction =========================================== 0: 4c 8b 6a 08 mov 0x8(%rdx),%r13 4: 49 89 d3 mov %rdx,%r11 7: 41 f6 c5 01 test $0x1,%r13b b: 0f 85 dd 00 00 00 jne 0xee 11: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) [ 14.252909][ T124] RSP: 0000:ffffa8e5004ebcd0 EFLAGS: 00010286 [ 14.253973][ T124] RAX: 0000000080000000 RBX: ffffa8e5004ebd50 RCX: 0000000000000003 [ 14.255143][ T124] RDX: ffffdeda9e000000 RSI: 0000000000000177 RDI: 0000000000000002 [ 14.256313][ T124] RBP: ffff95f9e637b028 R08: ffffdd3284e15900 R09: 0000000000000000 [ 14.257464][ T124] R10: ffffffff80000000 R11: 00006a0700000000 R12: 0000000000000178 [ 14.258661][ T124] R13: 504d56b8f995ffff R14: ffff95f980042200 R15: 000000000000017d [ 14.259806][ T124] FS: 0000000000000000(0000) GS:ffff95fcafd00000(0000) knlGS:0000000000000000 [ 14.261074][ T124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.262173][ T124] CR2: ffffdeda9e000008 CR3: 0000000167df6000 CR4: 00000000000406f0 [ 14.263363][ T124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 14.264575][ T124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 14.265747][ T124] Call Trace: [ 14.266530][ T124] [ 14.267349][ T124] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 14.268182][ T124] ? page_fault_oops (arch/x86/mm/fault.c:714) [ 14.269105][ T124] ? exc_page_fault (arch/x86/mm/fault.c:1478 arch/x86/mm/fault.c:1538) [ 14.269972][ T124] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) [ 14.270888][ T124] ? build_detached_freelist (include/linux/page-flags.h:243 include/linux/mm.h:1297 mm/slab.h:211 mm/slub.c:4941) [ 14.271810][ T124] kmem_cache_free_bulk (mm/slub.c:4706) [ 14.272840][ T124] ? dequeue_entity (kernel/sched/fair.c:5488) [ 14.273683][ T124] ? kvfree_rcu_bulk (include/linux/slab.h:791 mm/slab_common.c:1498) [ 14.274542][ T124] kvfree_rcu_bulk (include/linux/slab.h:791 mm/slab_common.c:1498) [ 14.275389][ T124] kfree_rcu_work (mm/slab_common.c:1576) [ 14.276255][ T124] ? finish_task_switch+0x85/0x2b0 [ 14.277161][ T124] process_one_work (kernel/workqueue.c:3241) [ 14.277998][ T124] worker_thread (kernel/workqueue.c:3311 kernel/workqueue.c:3398) [ 14.278830][ T124] ? __pfx_worker_thread (kernel/workqueue.c:3344) [ 14.279670][ T124] kthread (kernel/kthread.c:464) [ 14.280456][ T124] ? __pfx_kthread (kernel/kthread.c:413) [ 14.281263][ T124] ret_from_fork (arch/x86/kernel/process.c:154) [ 14.282106][ T124] ? __pfx_kthread (kernel/kthread.c:413) [ 14.282915][ T124] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) [ 14.283726][ T124] [ 14.284397][ T124] Modules linked in: ipmi_devintf ipmi_msghandler sr_mod cdrom sg snd_pcm intel_rapl_msr ata_generic intel_rapl_common snd_timer ghash_clmulni_intel ppdev rapl snd bochs drm_client_lib drm_shmem_helper soundcore i2c_piix4 ata_piix i2c_smbus drm_kms_helper joydev pcspkr parport_pc libata serio_raw parport fuse drm ip_tables [ 14.287967][ T124] CR2: ffffdeda9e000008 [ 14.288794][ T124] ---[ end trace 0000000000000000 ]--- [ 14.289744][ T124] RIP: 0010:build_detached_freelist (include/linux/page-flags.h:243 include/linux/mm.h:1297 mm/slab.h:211 mm/slub.c:4941) [ 14.290724][ T124] Code: 8b 03 48 89 ca 48 01 c2 0f 82 ed 01 00 00 4d 89 d3 4c 2b 1d 74 b4 57 01 4c 01 da 48 c1 ea 0c 48 c1 e2 06 48 03 15 52 b4 57 01 <4c> 8b 6a 08 49 89 d3 41 f6 c5 01 0f 85 dd 00 00 00 0f 1f 44 00 00 All code ======== 0: 8b 03 mov (%rbx),%eax 2: 48 89 ca mov %rcx,%rdx 5: 48 01 c2 add %rax,%rdx 8: 0f 82 ed 01 00 00 jb 0x1fb e: 4d 89 d3 mov %r10,%r11 11: 4c 2b 1d 74 b4 57 01 sub 0x157b474(%rip),%r11 # 0x157b48c 18: 4c 01 da add %r11,%rdx 1b: 48 c1 ea 0c shr $0xc,%rdx 1f: 48 c1 e2 06 shl $0x6,%rdx 23: 48 03 15 52 b4 57 01 add 0x157b452(%rip),%rdx # 0x157b47c 2a:* 4c 8b 6a 08 mov 0x8(%rdx),%r13 <-- trapping instruction 2e: 49 89 d3 mov %rdx,%r11 31: 41 f6 c5 01 test $0x1,%r13b 35: 0f 85 dd 00 00 00 jne 0x118 3b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) Code starting with the faulting instruction =========================================== 0: 4c 8b 6a 08 mov 0x8(%rdx),%r13 4: 49 89 d3 mov %rdx,%r11 7: 41 f6 c5 01 test $0x1,%r13b b: 0f 85 dd 00 00 00 jne 0xee 11: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250304/202503041036.ad427cb-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki