------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/core/gen_stats.c:157 gnet_stats_add_basic+0x4d/0x2a0 net/core/gen_stats.c:157 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:gnet_stats_add_basic+0x4d/0x2a0 net/core/gen_stats.c:157 Code: 0f 84 69 01 00 00 e8 52 a1 59 fa 31 ff 65 8b 2d b9 ab e4 78 81 e5 00 01 ff 00 89 ee e8 7c a8 59 fa 85 ed 74 10 e8 33 a1 59 fa <0f> 0b 4d 85 f6 0f 84 70 01 00 00 49 c7 c7 64 b1 6e 8d bd ff ff ff RSP: 0018:ffffc90000007b98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880143b7820 RCX: 0000000000000100 RDX: ffffffff8b6bc640 RSI: ffffffff871d445d RDI: 0000000000000003 RBP: 0000000000000100 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff871d45d0 R11: 0000000000000000 R12: ffff88801f08e808 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000440 CR3: 000000000b68e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: est_fetch_counters+0xc3/0x160 net/core/gen_estimator.c:69 est_timer+0x92/0x730 net/core/gen_estimator.c:83 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:553 Code: 89 de e8 4d c1 3b f8 84 db 75 ac e8 04 bb 3b f8 e8 8f e4 41 f8 eb 0c e8 f8 ba 3b f8 0f 00 2d 01 b8 b4 00 e8 ec ba 3b f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 37 c0 3b f8 48 85 db RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8b6bc640 RSI: ffffffff893b2aa4 RDI: 0000000000000000 RBP: ffff888012bc9864 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817d0f58 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888012bc9800 R14: ffff888012bc9864 R15: ffff888018c09804 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x47a/0x49b init/main.c:1141 secondary_startup_64_no_verify+0xb0/0xbb ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 4d c1 3b f8 callq 0xf83bc154 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 04 bb 3b f8 callq 0xf83bbb14 10: e8 8f e4 41 f8 callq 0xf841e4a4 15: eb 0c jmp 0x23 17: e8 f8 ba 3b f8 callq 0xf83bbb14 1c: 0f 00 2d 01 b8 b4 00 verw 0xb4b801(%rip) # 0xb4b824 23: e8 ec ba 3b f8 callq 0xf83bbb14 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 37 c0 3b f8 callq 0xf83bc074 3d: 48 85 db test %rbx,%rbx