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Mon, 19 Feb 2024 06:10:56 +0000 Date: Mon, 19 Feb 2024 14:10:40 +0800 From: kernel test robot To: Valentin Schneider CC: , , Josh Poimboeuf , , , , , , "Thomas Gleixner" , Borislav Petkov , Peter Zijlstra , Pawan Gupta , "Ingo Molnar" , Dave Hansen , "H. Peter Anvin" , Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , "Arnd Bergmann" , Jason Baron , Steven Rostedt , Ard Biesheuvel , Frederic Weisbecker , "Paul E. McKenney" , Feng Tang , Andrew Morton , "Mike Rapoport (IBM)" , Vlastimil Babka , "David Hildenbrand" , "ndesaulniers@google.com" , Michael Kelley , "Masami Hiramatsu (Google)" , Subject: Re: [PATCH v2 2/5] context_tracking: Make context_tracking_key __ro_after_init Message-ID: <202402191313.3276317d-oliver.sang@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240206173911.4131670-3-vschneid@redhat.com> X-ClientProxiedBy: SI2PR01CA0022.apcprd01.prod.exchangelabs.com (2603:1096:4:192::14) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|PH8PR11MB7968:EE_ X-MS-Office365-Filtering-Correlation-Id: b8dbcd4d-46d2-48bd-b4d7-08dc311188bf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Feb 2024 06:10:56.1457 (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: Sra+4nT+3haXSZgv6+XwC+I2S3aSbrmjFS7VjCkNa3qHhVhfnCngT+Rc/3y3oeF1k6jJTAVLFIL+Rhx5dNu4fA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR11MB7968 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_kernel/jump_label.c:#jump_label_del_module" on: commit: b42c2f5e8e4d403b5891b566b015177c8f471858 ("[PATCH v2 2/5] context_tracking: Make context_tracking_key __ro_after_init") url: https://github.com/intel-lab-lkp/linux/commits/Valentin-Schneider/jump_label-module-Don-t-alloc-static_key_mod-for-__ro_after_init-keys/20240207-014501 base: https://git.kernel.org/cgit/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/all/20240206173911.4131670-3-vschneid@redhat.com/ patch subject: [PATCH v2 2/5] context_tracking: Make context_tracking_key __ro_after_init in testcase: ltp version: ltp-x86_64-14c1f76-1_20230715 with following parameters: test: kernel_misc compiler: gcc-12 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Ivy Bridge) with 16G memory (please refer to attached dmesg/kmsg for entire log/backtrace) 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/202402191313.3276317d-oliver.sang@intel.com [ 215.214621][ T3608] ------------[ cut here ]------------ [ 215.214849][ T3608] WARNING: CPU: 1 PID: 3608 at kernel/jump_label.c:764 jump_label_del_module (kernel/jump_label.c:764 (discriminator 1)) [ 215.215123][ T3608] Modules linked in: rcutorture(-) torture netconsole btrfs blake2b_generic xor raid6_pq zstd_compress libcrc32c intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp sd_mod t10_pi coretemp crc64_rocksoft_generic crc64_rocksoft kvm_intel crc64 sg ipmi_devintf i915 ipmi_msghandler kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 drm_buddy rapl intel_gtt intel_cstate drm_display_helper mxm_wmi firewire_ohci ttm ahci firewire_core libahci drm_kms_helper intel_uncore crc_itu_t libata i2c_i801 video i2c_smbus lpc_ich wmi binfmt_misc fuse drm ip_tables [ 215.216369][ T3608] CPU: 1 PID: 3608 Comm: modprobe Not tainted 6.7.0-rc7-00234-gb42c2f5e8e4d #1 [ 215.216637][ T3608] Hardware name: /DZ77BH-55K, BIOS BHZ7710H.86A.0097.2012.1228.1346 12/28/2012 [ 215.216918][ T3608] RIP: 0010:jump_label_del_module (kernel/jump_label.c:764 (discriminator 1)) [ 215.217162][ T3608] Code: 03 75 35 83 e6 03 48 09 f0 4c 89 fe 48 c1 ee 03 80 3c 2e 00 0f 85 cf 01 00 00 49 89 45 08 e9 bf fe ff ff 0f 0b e9 6b ff ff ff <0f> 0b e9 64 ff ff ff 0f 0b e9 e2 fe ff ff 0f 0b eb c7 0f 0b e9 19 All code ======== 0: 03 75 35 add 0x35(%rbp),%esi 3: 83 e6 03 and $0x3,%esi 6: 48 09 f0 or %rsi,%rax 9: 4c 89 fe mov %r15,%rsi c: 48 c1 ee 03 shr $0x3,%rsi 10: 80 3c 2e 00 cmpb $0x0,(%rsi,%rbp,1) 14: 0f 85 cf 01 00 00 jne 0x1e9 1a: 49 89 45 08 mov %rax,0x8(%r13) 1e: e9 bf fe ff ff jmpq 0xfffffffffffffee2 23: 0f 0b ud2 25: e9 6b ff ff ff jmpq 0xffffffffffffff95 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 64 ff ff ff jmpq 0xffffffffffffff95 31: 0f 0b ud2 33: e9 e2 fe ff ff jmpq 0xffffffffffffff1a 38: 0f 0b ud2 3a: eb c7 jmp 0x3 3c: 0f 0b ud2 3e: e9 .byte 0xe9 3f: 19 .byte 0x19 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 64 ff ff ff jmpq 0xffffffffffffff6b 7: 0f 0b ud2 9: e9 e2 fe ff ff jmpq 0xfffffffffffffef0 e: 0f 0b ud2 10: eb c7 jmp 0xffffffffffffffd9 12: 0f 0b ud2 14: e9 .byte 0xe9 15: 19 .byte 0x19 [ 215.217593][ T3608] RSP: 0018:ffffc9000159fd38 EFLAGS: 00010297 [ 215.217877][ T3608] RAX: 1ffffffff089982f RBX: 0000000000000000 RCX: ffffffffc14dc060 [ 215.218140][ T3608] RDX: ffffffffc1c6b580 RSI: 0000000000000002 RDI: ffffffffc14dc000 [ 215.218409][ T3608] RBP: dffffc0000000000 R08: ffffffffc1c6b8b8 R09: fffff520002b3fa6 [ 215.218636][ T3608] R10: ffffc9000159fd37 R11: 0000000000000001 R12: ffffffff844cc178 [ 215.218935][ T3608] R13: ffffffff844cc170 R14: ffffffffc14dc008 R15: ffffffff844cc178 [ 215.219166][ T3608] FS: 00007f5e44068580(0000) GS:ffff888348080000(0000) knlGS:0000000000000000 [ 215.219459][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.219717][ T3608] CR2: 00007fceb9a28008 CR3: 00000001a718e005 CR4: 00000000001706f0 [ 215.219956][ T3608] Call Trace: [ 215.220126][ T3608] [ 215.220307][ T3608] ? __warn (kernel/panic.c:677) [ 215.220503][ T3608] ? jump_label_del_module (kernel/jump_label.c:764 (discriminator 1)) [ 215.220745][ T3608] ? report_bug (lib/bug.c:180 lib/bug.c:219) [ 215.220961][ T3608] ? handle_bug (arch/x86/kernel/traps.c:237) [ 215.221126][ T3608] ? exc_invalid_op (arch/x86/kernel/traps.c:258 (discriminator 1)) [ 215.221288][ T3608] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) [ 215.221543][ T3608] ? jump_label_del_module (kernel/jump_label.c:764 (discriminator 1)) [ 215.221835][ T3608] ? jump_label_add_module (kernel/jump_label.c:787) [ 215.222061][ T3608] jump_label_module_notify (kernel/jump_label.c:32 kernel/jump_label.c:807) [ 215.222255][ T3608] notifier_call_chain (kernel/notifier.c:95) [ 215.222433][ T3608] ? mutex_unlock (arch/x86/include/asm/atomic64_64.h:109 include/linux/atomic/atomic-arch-fallback.h:4308 include/linux/atomic/atomic-long.h:1499 include/linux/atomic/atomic-instrumented.h:4446 kernel/locking/mutex.c:181 kernel/locking/mutex.c:540) [ 215.222603][ T3608] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 215.222845][ T3608] __do_sys_delete_module+0x32a/0x540 [ 215.223066][ T3608] ? module_flags (kernel/module/main.c:698) [ 215.223239][ T3608] ? __x64_sys_close (fs/open.c:1590 fs/open.c:1572 fs/open.c:1572) [ 215.223526][ T3608] ? kmem_cache_free (mm/slub.c:1826 mm/slub.c:3809 mm/slub.c:3831) [ 215.223772][ T3608] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 215.224010][ T3608] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 215.224246][ T3608] RIP: 0033:0x7f5e44177847 [ 215.224423][ T3608] Code: 73 01 c3 48 8b 0d b9 85 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 89 85 0c 00 f7 d8 64 89 01 48 All code ======== 0: 73 01 jae 0x3 2: c3 retq 3: 48 8b 0d b9 85 0c 00 mov 0xc85b9(%rip),%rcx # 0xc85c3 a: f7 d8 neg %eax c: 64 89 01 mov %eax,%fs:(%rcx) f: 48 83 c8 ff or $0xffffffffffffffff,%rax 13: c3 retq 14: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 1b: 00 00 00 1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 23: b8 b0 00 00 00 mov $0xb0,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 8b 0d 89 85 0c 00 mov 0xc8589(%rip),%rcx # 0xc85c3 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 retq 9: 48 8b 0d 89 85 0c 00 mov 0xc8589(%rip),%rcx # 0xc8599 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 215.224940][ T3608] RSP: 002b:00007ffedaff1e88 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 215.225209][ T3608] RAX: ffffffffffffffda RBX: 0000562acd24d150 RCX: 00007f5e44177847 [ 215.225467][ T3608] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000562acd24d1b8 [ 215.225754][ T3608] RBP: 0000000000000000 R08: 1999999999999999 R09: 0000000000000000 [ 215.226033][ T3608] R10: 00007f5e441eaac0 R11: 0000000000000206 R12: 0000000000000000 [ 215.226303][ T3608] R13: 0000000000000000 R14: 00007ffedaff1ec0 R15: 00007ffedaff3378 [ 215.226579][ T3608] [ 215.226794][ T3608] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240219/202402191313.3276317d-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki