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[ 32.788654][ T3676] debug_smp_processor_id (lib/smp_processor_id.c:60) [ 32.788657][ T3676] perf_trace_sched_prepare_exec (include/trace/events/sched.h:458) [ 32.788672][ T3676] begin_new_exec (include/linux/srcutree.h:300 include/linux/srcu.h:419 include/linux/srcu.h:519 include/trace/events/sched.h:458 include/trace/events/sched.h:458 fs/exec.c:1110) [ 32.788682][ T3676] load_elf_binary (fs/binfmt_elf.c:?) [ 32.788693][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788698][ T3676] ? bprm_execve (fs/exec.c:1665 fs/exec.c:1697 fs/exec.c:1749) [ 32.788707][ T3676] bprm_execve (fs/exec.c:1665 fs/exec.c:1697 fs/exec.c:1749) [ 32.788719][ T3676] do_execveat_common (fs/exec.c:?) [ 32.788724][ T3676] __ia32_sys_execve (fs/exec.c:1929 fs/exec.c:2005 fs/exec.c:2000 fs/exec.c:2000) [ 32.788731][ T3676] ia32_sys_call (kbuild/obj/consumer/i386-randconfig-002-20250801/./arch/x86/include/generated/asm/syscalls_32.h:?) [ 32.788735][ T3676] __do_fast_syscall_32 (arch/x86/entry/syscall_32.c:?) [ 32.788740][ T3676] ? __lock_acquire (kernel/locking/lockdep.c:4677) [ 32.788745][ T3676] ? __lock_acquire (kernel/locking/lockdep.c:4677) [ 32.788763][ T3676] ? get_page_from_freelist (mm/page_alloc.c:1714 mm/page_alloc.c:3669) [ 32.788766][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788773][ T3676] ? lock_acquire (kernel/locking/lockdep.c:5871) [ 32.788779][ T3676] ? local_lock_release (include/linux/local_lock_internal.h:54) [ 32.788786][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788790][ T3676] ? local_lock_release (include/linux/local_lock_internal.h:54) [ 32.788800][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788805][ T3676] ? rcu_lock_acquire (include/linux/rcupdate.h:340) [ 32.788814][ T3676] ? handle_mm_fault (include/linux/rcupdate.h:? include/linux/pgtable.h:136 mm/memory.c:3670 mm/memory.c:4030 mm/memory.c:6105 mm/memory.c:6232 mm/memory.c:6401) [ 32.788827][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788830][ T3676] ? preempt_count_add (include/linux/ftrace.h:1091 kernel/sched/core.c:5852 kernel/sched/core.c:5877) [ 32.788837][ T3676] ? irqentry_exit (kernel/entry/common.c:320) [ 32.788840][ T3676] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 32.788843][ T3676] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 32.788849][ T3676] ? irqentry_exit_to_user_mode (kernel/entry/common.c:187) [ 32.788856][ T3676] do_fast_syscall_32 (arch/x86/entry/syscall_32.c:331) [ 32.788860][ T3676] do_SYSENTER_32 (arch/x86/entry/syscall_32.c:369) [ 32.788862][ T3676] entry_SYSENTER_32 (arch/x86/entry/entry_32.S:836) [ 32.788865][ T3676] EIP: 0xb7f4c539 [ 32.788868][ T3676] Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 All code ======== 0: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 4: 10 07 adc %al,(%rdi) 6: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi a: 10 08 adc %cl,(%rax) c: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi ... 20:* 00 51 52 add %dl,0x52(%rcx) <-- trapping instruction 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 2a: 5d pop %rbp 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 5d pop %rbp 1: 5a pop %rdx 2: 59 pop %rcx 3: c3 ret 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 32.788871][ T3676] EAX: ffffffda EBX: 01e25d34 ECX: 01e25c00 EDX: 01e25c0c [ 32.788873][ T3676] ESI: 01e25d34 EDI: 01e25c00 EBP: bffe5404 ESP: bffe52d8 [ 32.788874][ T3676] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250807/202508071000.47c89ff-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki