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Starting Raise network interfaces... [ 12.786427][ C0] ================================================================================ [ 12.787953][ C0] UBSAN: signed-integer-overflow in include/linux/atomic-arch-fallback.h:1093:45 [ 12.789450][ C0] 2147483647 + 1 cannot be represented in type 'int' [ 12.790363][ C0] CPU: 0 PID: 194 Comm: ifup Not tainted 5.10.36-00517-g31df8bc4d3fe #1 [ 12.791536][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 12.792961][ C0] Call Trace: [ 12.793478][ C0] [ 12.794000][ C0] dump_stack (arch/x86/include/asm/atomic.h:41 include/asm-generic/atomic-instrumented.h:46 lib/dump_stack.c:121) [ 12.794622][ C0] ? handle_overflow (lib/ubsan.c:183) [ 12.795336][ C0] handle_overflow (lib/ubsan.c:149 lib/ubsan.c:189) [ 12.796024][ C0] ? lock_acquire (kernel/locking/lockdep.c:5444) [ 12.796725][ C0] ? memcg_free_shrinker_map_rcu (include/linux/rcupdate.h:255) [ 12.797534][ C0] ? memcg_free_shrinker_map_rcu (include/linux/rcupdate.h:255) [ 12.798340][ C0] __ubsan_handle_add_overflow (lib/ubsan.c:196) [ 12.799140][ C0] percpu_ref_tryget (include/linux/atomic-arch-fallback.h:1093 include/linux/atomic-arch-fallback.h:1113 include/asm-generic/atomic-instrumented.h:789 include/asm-generic/atomic-long.h:985 include/linux/percpu-refcount.h:247 include/linux/percpu-refcount.h:266) [ 12.799861][ C0] drain_obj_stock (mm/memcontrol.c:3170) [ 12.800557][ C0] refill_obj_stock (mm/memcontrol.c:3227) [ 12.801271][ C0] obj_cgroup_uncharge (mm/memcontrol.c:3275) [ 12.801984][ C0] memcg_slab_free_hook (mm/slab.h:383) [ 12.802733][ C0] ? sock_free_inode (net/socket.c:275) [ 12.803439][ C0] kmem_cache_free (mm/slub.c:3095) [ 12.804136][ C0] sock_free_inode (net/socket.c:275) [ 12.804824][ C0] i_callback (fs/inode.c:226) [ 12.805450][ C0] rcu_core (kernel/rcu/tree.c:2486) [ 12.806085][ C0] rcu_core_si (kernel/rcu/tree.c:2733) [ 12.806707][ C0] __do_softirq (kernel/softirq.c:298 include/linux/jump_label.h:200 include/trace/events/irq.h:142 kernel/softirq.c:299) [ 12.807369][ C0] ? do_softirq_own_stack (arch/x86/kernel/irq_32.c:59 arch/x86/kernel/irq_32.c:148) [ 12.808086][ C0] ? __entry_text_end (kernel/softirq.c:256) [ 12.808765][ C0] do_softirq_own_stack (arch/x86/kernel/irq_32.c:59 arch/x86/kernel/irq_32.c:148) [ 12.809481][ C0] [ 12.809996][ C0] ? sysvec_call_function_single (arch/x86/kernel/apic/apic.c:1095) [ 12.810833][ C0] __irq_exit_rcu (kernel/softirq.c:395 kernel/softirq.c:423) [ 12.811527][ C0] irq_exit_rcu (kernel/softirq.c:437) [ 12.812160][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1095) [ 12.812988][ C0] handle_exception (arch/x86/entry/entry_32.S:1172) [ 12.813702][ C0] EIP: _raw_spin_unlock_irqrestore (arch/x86/include/asm/preempt.h:84 include/linux/spinlock_api_smp.h:161 kernel/locking/spinlock.c:191) [ 12.814549][ C0] Code: 89 d6 8b 55 c0 10 e8 eb c0 10 e8 eb f8 e8 44 83 f8 e8 44 83 00 02 00 00 00 02 00 00 b4 5a ff 89 b4 5a ff 89 f4 9d 64 ff f4 9d <64> ff c2 83 c4 04 c2 83 c4 04 66 90 55 89 66 90 55 89 04 89 c6 83 All code ======== 0: 89 d6 mov %edx,%esi 2: 8b 55 c0 mov -0x40(%rbp),%edx 5: 10 e8 adc %ch,%al 7: eb c0 jmp 0xffffffffffffffc9 9: 10 e8 adc %ch,%al b: eb f8 jmp 0x5 d: e8 44 83 f8 e8 call 0xffffffffe8f88356 12: 44 83 00 02 rex.R addl $0x2,(%rax) 16: 00 00 add %al,(%rax) 18: 00 02 add %al,(%rdx) 1a: 00 00 add %al,(%rax) 1c: b4 5a mov $0x5a,%ah 1e: ff 89 b4 5a ff 89 decl -0x7600a54c(%rcx) 24: f4 hlt 25: 9d popf 26: 64 ff f4 fs push %rsp 29: 9d popf 2a:* 64 ff c2 fs inc %edx <-- trapping instruction 2d: 83 c4 04 add $0x4,%esp 30: c2 83 c4 ret $0xc483 33: 04 66 add $0x66,%al 35: 90 nop 36: 55 push %rbp 37: 89 66 90 mov %esp,-0x70(%rsi) 3a: 55 push %rbp 3b: 89 04 89 mov %eax,(%rcx,%rcx,4) 3e: c6 .byte 0xc6 3f: 83 .byte 0x83 Code starting with the faulting instruction =========================================== 0: 64 ff c2 fs inc %edx 3: 83 c4 04 add $0x4,%esp 6: c2 83 c4 ret $0xc483 9: 04 66 add $0x66,%al b: 90 nop c: 55 push %rbp d: 89 66 90 mov %esp,-0x70(%rsi) 10: 55 push %rbp 11: 89 04 89 mov %eax,(%rcx,%rcx,4) 14: c6 .byte 0xc6 15: 83 .byte 0x83 [ 12.817126][ C0] EAX: 000020b9 EBX: c3a88040 ECX: 00000000 EDX: 00000000 [ 12.818119][ C0] ESI: 00200206 EDI: c30b65f8 EBP: ecdb3e88 ESP: ecdb3e7c [ 12.819126][ C0] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00200206 [ 12.820214][ C0] ? sysvec_call_function_single (arch/x86/kernel/apic/apic.c:1095) [ 12.821044][ C0] ? sysvec_call_function_single (arch/x86/kernel/apic/apic.c:1095) [ 12.821853][ C0] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/preempt.h:84 include/linux/spinlock_api_smp.h:161 kernel/locking/spinlock.c:191) [ 12.822674][ C0] debug_check_no_obj_freed (lib/debugobjects.c:997) [ 12.823470][ C0] slab_free_freelist_hook (mm/slub.c:1533 mm/slub.c:1574) [ 12.824257][ C0] ? putname (fs/namei.c:260) [ 12.824893][ C0] kmem_cache_free (mm/slub.c:3139) [ 12.825584][ C0] putname (fs/namei.c:260) [ 12.826185][ C0] do_execveat_common (fs/exec.c:1922) [ 12.826886][ C0] ? getname_flags (fs/namei.c:149) [ 12.827536][ C0] __ia32_sys_execve (fs/exec.c:2054) [ 12.828185][ C0] __do_fast_syscall_32 (arch/x86/entry/common.c:77 arch/x86/entry/common.c:140) [ 12.828908][ C0] do_fast_syscall_32 (arch/x86/entry/common.c:165) [ 12.829624][ C0] do_SYSENTER_32 (arch/x86/entry/common.c:208) [ 12.830296][ C0] entry_SYSENTER_32 (arch/x86/entry/entry_32.S:953) [ 12.830974][ C0] EIP: 0xb7fba0b0 [ 12.831528][ C0] Code: Unable to access opcode bytes at RIP 0xb7fba086. Code starting with the faulting instruction =========================================== The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241112/202411122156.5144de50-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki