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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "kernel_BUG_at_arch/x86/mm/physaddr.c" on: commit: f28b14e8a99199dd7a5a22c621168f9c8788352a ("[PATCH] mm: Skip the reserved bootmem for compaction") url: https://github.com/intel-lab-lkp/linux/commits/Rong-Qianfeng/mm-Skip-the-reserved-bootmem-for-compaction/20240902-202706 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/20240902122445.11805-1-rongqianfeng@vivo.com/ patch subject: [PATCH] mm: Skip the reserved bootmem for compaction in testcase: boot compiler: clang-18 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +------------------------------------------+------------+------------+ | | b69256811d | f28b14e8a9 | +------------------------------------------+------------+------------+ | boot_successes | 12 | 0 | | boot_failures | 0 | 12 | | kernel_BUG_at_arch/x86/mm/physaddr.c | 0 | 12 | | Oops:invalid_opcode:#[##]PREEMPT_SMP | 0 | 12 | | EIP:__phys_addr | 0 | 12 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 12 | +------------------------------------------+------------+------------+ 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/202409042247.af2035c5-lkp@intel.com [ 7.664934][ T32] ------------[ cut here ]------------ [ 7.665373][ T32] kernel BUG at arch/x86/mm/physaddr.c:81! [ 7.665816][ T32] Oops: invalid opcode: 0000 [#1] PREEMPT SMP [ 7.666289][ T32] CPU: 1 UID: 0 PID: 32 Comm: kworker/u10:1 Not tainted 6.11.0-rc6-00524-gf28b14e8a991 #1 [ 7.667024][ T32] Workqueue: async async_run_entry_fn [ 7.667427][ T32] EIP: __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.667767][ T32] Code: 5e 5f 5d 31 c9 c3 0f 0b 68 18 6c f9 c1 e8 5a 69 4f 00 0f 0b 68 28 6c f9 c1 e8 4e 69 4f 00 0f 0b 68 38 6c f9 c1 e8 42 69 4f 00 <0f> 0b 68 48 6c f9 c1 e8 36 69 4f 00 90 90 90 90 90 90 3d 00 00 00 All code ======== 0: 5e pop %rsi 1: 5f pop %rdi 2: 5d pop %rbp 3: 31 c9 xor %ecx,%ecx 5: c3 ret 6: 0f 0b ud2 8: 68 18 6c f9 c1 push $0xffffffffc1f96c18 d: e8 5a 69 4f 00 call 0x4f696c 12: 0f 0b ud2 14: 68 28 6c f9 c1 push $0xffffffffc1f96c28 19: e8 4e 69 4f 00 call 0x4f696c 1e: 0f 0b ud2 20: 68 38 6c f9 c1 push $0xffffffffc1f96c38 25: e8 42 69 4f 00 call 0x4f696c 2a:* 0f 0b ud2 <-- trapping instruction 2c: 68 48 6c f9 c1 push $0xffffffffc1f96c48 31: e8 36 69 4f 00 call 0x4f696c 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 3d .byte 0x3d 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 68 48 6c f9 c1 push $0xffffffffc1f96c48 7: e8 36 69 4f 00 call 0x4f6942 c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 3d .byte 0x3d 13: 00 00 add %al,(%rax) ... [ 7.669203][ T32] EAX: 00000000 EBX: 0000fd5f ECX: 00000000 EDX: 00000000 [ 7.669353][ T32] ESI: 2e7fe000 EDI: ee7fe000 EBP: c3223e74 ESP: c3223e6c [ 7.669353][ T32] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010287 [ 7.669353][ T32] CR0: 80050033 CR2: 00000000 CR3: 02617000 CR4: 00040690 [ 7.669353][ T32] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 7.669353][ T32] DR6: fffe0ff0 DR7: 00000400 [ 7.669353][ T32] Call Trace: [ 7.669353][ T32] ? __die_body (arch/x86/kernel/dumpstack.c:478 arch/x86/kernel/dumpstack.c:420) [ 7.669353][ T32] ? die (arch/x86/kernel/dumpstack.c:? arch/x86/kernel/dumpstack.c:447) [ 7.669353][ T32] ? do_trap (arch/x86/kernel/traps.c:? arch/x86/kernel/traps.c:155) [ 7.669353][ T32] ? do_error_trap (arch/x86/kernel/traps.c:175) [ 7.669353][ T32] ? __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.669353][ T32] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 7.669353][ T32] ? handle_invalid_op (arch/x86/kernel/traps.c:212) [ 7.669353][ T32] ? __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.669353][ T32] ? exc_invalid_op (arch/x86/kernel/traps.c:267) [ 7.669353][ T32] ? handle_exception (arch/x86/entry/entry_32.S:1047) [ 7.669353][ T32] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 7.669353][ T32] ? __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.669353][ T32] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 7.669353][ T32] ? __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.669353][ T32] free_reserved_area (mm/page_alloc.c:5895) [ 7.669353][ T32] free_init_pages (arch/x86/mm/init.c:927) [ 7.669353][ T32] ? populate_rootfs (init/initramfs.c:691) [ 7.669353][ T32] free_initrd_mem (arch/x86/mm/init.c:987) [ 7.669353][ T32] do_populate_rootfs (init/initramfs.c:?) [ 7.669353][ T32] async_run_entry_fn (kernel/async.c:136) [ 7.669353][ T32] process_one_work (kernel/workqueue.c:3236) [ 7.669353][ T32] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3389) [ 7.669353][ T32] kthread (kernel/kthread.c:391) [ 7.669353][ T32] ? pr_cont_work (kernel/workqueue.c:3339) [ 7.669353][ T32] ? kthread_unuse_mm (kernel/kthread.c:342) [ 7.669353][ T32] ret_from_fork (arch/x86/kernel/process.c:153) [ 7.669353][ T32] ret_from_fork_asm (arch/x86/entry/entry_32.S:737) [ 7.669353][ T32] entry_INT80_32 (arch/x86/entry/entry_32.S:944) [ 7.669353][ T32] Modules linked in: [ 7.683090][ T32] ---[ end trace 0000000000000000 ]--- [ 7.683500][ T32] EIP: __phys_addr (arch/x86/mm/physaddr.c:81) [ 7.683844][ T32] Code: 5e 5f 5d 31 c9 c3 0f 0b 68 18 6c f9 c1 e8 5a 69 4f 00 0f 0b 68 28 6c f9 c1 e8 4e 69 4f 00 0f 0b 68 38 6c f9 c1 e8 42 69 4f 00 <0f> 0b 68 48 6c f9 c1 e8 36 69 4f 00 90 90 90 90 90 90 3d 00 00 00 All code ======== 0: 5e pop %rsi 1: 5f pop %rdi 2: 5d pop %rbp 3: 31 c9 xor %ecx,%ecx 5: c3 ret 6: 0f 0b ud2 8: 68 18 6c f9 c1 push $0xffffffffc1f96c18 d: e8 5a 69 4f 00 call 0x4f696c 12: 0f 0b ud2 14: 68 28 6c f9 c1 push $0xffffffffc1f96c28 19: e8 4e 69 4f 00 call 0x4f696c 1e: 0f 0b ud2 20: 68 38 6c f9 c1 push $0xffffffffc1f96c38 25: e8 42 69 4f 00 call 0x4f696c 2a:* 0f 0b ud2 <-- trapping instruction 2c: 68 48 6c f9 c1 push $0xffffffffc1f96c48 31: e8 36 69 4f 00 call 0x4f696c 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 3d .byte 0x3d 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 68 48 6c f9 c1 push $0xffffffffc1f96c48 7: e8 36 69 4f 00 call 0x4f6942 c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 3d .byte 0x3d 13: 00 00 add %al,(%rax) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240904/202409042247.af2035c5-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki