WARNING in rcu_process

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in rcu_process_callbacks (2) netfilter				1	2419d	2419d	0/28	closed as invalid on 2018/06/27 15:08
linux-4.14	WARNING in rcu_process_callbacks				1	1594d	1594d	0/1	auto-closed as invalid on 2020/11/21 19:52

RBP: 00007f50826f4a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b75bb R13: 00007f50826f4bc8 R14: 00000000004b75bb R15: 0000000000000000 WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 arch_local_irq_disable arch/x86/include/asm/paravirt.h:772 [inline] WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 arch_local_irq_save arch/x86/include/asm/paravirt.h:795 [inline] WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 rcu_do_batch kernel/rcu/tree.c:2687 [inline] WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 invoke_rcu_callbacks kernel/rcu/tree.c:2934 [inline] WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 __rcu_process_callbacks kernel/rcu/tree.c:2901 [inline] WARNING: CPU: 0 PID: 7719 at kernel/rcu/tree.c:2714 rcu_process_callbacks+0x7d0/0x7e0 kernel/rcu/tree.c:2918 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7719 Comm: syz-executor7 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe9/0x14b lib/dump_stack.c:53 panic+0x10e/0x2f8 kernel/panic.c:183 __warn+0x14e/0x150 kernel/panic.c:547 report_bug+0x11e/0x1a0 lib/bug.c:184 fixup_bug.part.11+0x17/0x30 arch/x86/kernel/traps.c:177 fixup_bug arch/x86/kernel/traps.c:246 [inline] do_error_trap+0x14a/0x180 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:arch_local_irq_disable arch/x86/include/asm/paravirt.h:772 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:795 [inline] RIP: 0010:rcu_do_batch kernel/rcu/tree.c:2687 [inline] RIP: 0010:invoke_rcu_callbacks kernel/rcu/tree.c:2934 [inline] RIP: 0010:__rcu_process_callbacks kernel/rcu/tree.c:2901 [inline] RIP: 0010:rcu_process_callbacks+0x7d0/0x7e0 kernel/rcu/tree.c:2918 RSP: 0018:ffff88021fc03ef0 EFLAGS: 00010002 RAX: 0000000000000000 RBX: ffff88021fc24780 RCX: 7fffffffffffffff RDX: ffffffffffffd801 RSI: ffff88021fc03f00 RDI: ffff88021fc247b8 RBP: ffff88021fc03f48 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83081e00 R13: ffff88021fc247b8 R14: fffffffffffffffb R15: ffffffff8304f960 __do_softirq+0xcb/0x4f3 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0xd4/0xe0 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:540 [inline] smp_apic_timer_interrupt+0x8e/0x2a0 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:920 </IRQ> RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xa/0x50 kernel/kcov.c:100 RSP: 0018:ffffc90009667a70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11 RAX: ffff88020f6d46c0 RBX: 00000000002004a6 RCX: ffffffff81396b5a RDX: 0000000000000000 RSI: 00007f1acc014000 RDI: 80000002004a6007 RBP: ffffc90009667aa8 R08: 0000000000000000 R09: 0000000000000002 R10: ffffc900096679d8 R11: 0000000000000002 R12: 80000002004a6007 R13: ffff8801fcc25898 R14: 00007f1acc014000 R15: 0000000000000001 zap_pte_range mm/memory.c:1310 [inline] zap_pmd_range mm/memory.c:1441 [inline] zap_pud_range mm/memory.c:1470 [inline] zap_p4d_range mm/memory.c:1491 [inline] unmap_page_range+0x744/0xed0 mm/memory.c:1512 unmap_single_vma+0xbb/0x140 mm/memory.c:1557 unmap_vmas+0x65/0xd0 mm/memory.c:1587 exit_mmap+0xb0/0x1e0 mm/mmap.c:3020 __mmput kernel/fork.c:966 [inline] mmput+0x82/0x190 kernel/fork.c:987 exit_mm kernel/exit.c:544 [inline] do_exit+0x356/0x1050 kernel/exit.c:856 do_group_exit+0x60/0x100 kernel/exit.c:972 get_signal+0x36c/0xad0 kernel/signal.c:2337 do_signal+0x23/0x670 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x13c/0x160 arch/x86/entry/common.c:161 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x1b4/0x1e0 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f1acb8f8ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000071bec8 RCX: 0000000000452a09 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000071bec8 RBP: 000000000071bec8 R08: 000000000000045c R09: 000000000071bea0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000a2f7ff R14: 00007f1acb8f99c0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled