Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc2-mm1+ #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 find_child_reaper kernel/exit.c:578 [inline] forget_original_parent+0x1428/0x1c70 kernel/exit.c:674 exit_notify+0x11f/0xb10 kernel/exit.c:710 do_exit+0x9f2/0x1ae0 kernel/exit.c:889 kauditd_printk_skb: 345 callbacks suppressed audit: type=1400 audit(1513580380.801:978): avc: denied { sys_ptrace } for pid=10924 comm="ps" capability=19 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 do_group_exit+0x149/0x400 kernel/exit.c:972 get_signal+0x73f/0x16c0 kernel/signal.c:2337 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:161 prepare_exit_to_usermode+0x2e1/0x340 arch/x86/entry/common.c:195 retint_user+0x8/0x18 RIP: 0033: (null) RSP: 002b:00007ffc14028ff0 EFLAGS: 00010286 RAX: ffffffffffffffff RBX: 00007fe0fc9466a0 RCX: ffffffffffffff00 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000004 R08: 00007ffc14028ff0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffc14029db0 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3150 Comm: syz-fuzzer Not tainted 4.15.0-rc2-mm1+ #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: 0018:ffff8801db307e88 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 00000000001606e0 RCX: 0000000000000001 RDX: 1ffffffff0c59710 RSI: 0000000000000000 RDI: 00000000001606e0 RBP: ffff8801db307e88 R08: ffff8801db307f40 R09: ffff8801db307f80 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082 R13: 1ffff1003b660fd4 R14: ffff8801c559a180 R15: ffff8801db307fc0 FS: 00007fa2c4883700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000006225002 CR4: 00000000001626e0 Call Trace: __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline] __cr4_set arch/x86/include/asm/tlbflush.h:252 [inline] cr4_clear_bits arch/x86/include/asm/tlbflush.h:275 [inline] cpu_vmxoff arch/x86/include/asm/virtext.h:44 [inline] __cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:59 [inline] cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:67 [inline] smp_reboot_interrupt+0x3ea/0x510 arch/x86/kernel/smp.c:179 reboot_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:913 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:free_unref_page_list+0xc5b/0x1370 mm/page_alloc.c:2716 RSP: 0018:ffff8801cb7b68e8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff07 RAX: 1ffffffff0c59731 RBX: ffffea0006b96dc0 RCX: 1ffff100396f6d02 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282 RBP: ffff8801cb7b6bc8 R08: ffffea0006b66b20 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cb7b6ba0 R13: 0000000000000020 R14: ffffea0006b66b00 R15: dffffc0000000000 release_pages+0xbd1/0x1230 mm/swap.c:792 free_pages_and_swap_cache+0x2ad/0x400 mm/swap_state.c:322 tlb_flush_mmu_free+0xb4/0x160 mm/memory.c:260 zap_pte_range mm/memory.c:1408 [inline] zap_pmd_range mm/memory.c:1445 [inline] zap_pud_range mm/memory.c:1474 [inline] zap_p4d_range mm/memory.c:1495 [inline] unmap_page_range+0x181e/0x22e0 mm/memory.c:1516 unmap_single_vma+0x15f/0x2d0 mm/memory.c:1561 unmap_vmas+0xf1/0x1b0 mm/memory.c:1591 exit_mmap+0x232/0x530 mm/mmap.c:3020 __mmput kernel/fork.c:971 [inline] mmput+0x223/0x6c0 kernel/fork.c:992 exit_mm kernel/exit.c:544 [inline] do_exit+0x90a/0x1ae0 kernel/exit.c:856 do_group_exit+0x149/0x400 kernel/exit.c:972 SYSC_exit_group kernel/exit.c:983 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:981 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x45f08b RSP: 002b:00007fa2c4882db0 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045f08b RDX: 0000000000000000 RSI: 0000000000877178 RDI: 0000000000000002 RBP: 00007fa2c48828a8 R08: 0000000000000002 R09: 0000000000000001 R10: 000000000018df8b R11: 0000000000000246 R12: 0000000000b467a0 R13: 00000000009a2e30 R14: 000000000078f2f0 R15: 0000000000790010 Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d RIP: native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: ffff8801db307e88 ---[ end trace 5a994e31336b251b ]--- Shutting down cpus with NMI invalid opcode: 0000 [#2] SMP KASAN Dumping ftrace buffer: (ft[r l i8n7k.e7d8 5i5n5: 9 ---[ end trace 5a994e31336b251c ]--- Rebooting in 86400 seconds..