Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc3+ #226 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+0x1337/0x1b90 kernel/exit.c:670 exit_notify+0x11f/0xb10 kernel/exit.c:706 do_exit+0x9f2/0x1ad0 kernel/exit.c:885 audit: type=1400 audit(1513562101.603:394): avc: denied { sys_ptrace } for pid=7411 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:968 get_signal+0x73f/0x16c0 kernel/signal.c:2335 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158 prepare_exit_to_usermode+0x2e1/0x340 arch/x86/entry/common.c:195 retint_user+0x8/0x18 RIP: 0033: (null) RSP: 002b:00007fff7d3adf50 EFLAGS: 00010207 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f794cc773e0 RDX: 0000000000000000 RSI: 00007fff7d3ae050 RDI: 0000000000000002 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff7d3ae050 R13: 00007fff7d3ae0d0 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: 0 PID: 84 Comm: kworker/u4:3 Not tainted 4.15.0-rc3+ #226 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: 0018:ffff8801db407e88 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 00000000001606f0 RCX: 0000000000000001 RDX: 1ffffffff0bd9034 RSI: 0000000000000000 RDI: 00000000001606f0 RBP: ffff8801db407e88 R08: ffff8801db407f40 R09: ffff8801db407f80 R10: ffff8801d9816f68 R11: 0000000000000000 R12: 0000000000000082 R13: 1ffff1003b680fd4 R14: ffff8801d980a680 R15: ffff8801db407fc0 FS: 0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001013008 CR3: 0000000005e22004 CR4: 00000000001626f0 Call Trace: __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline] __cr4_set arch/x86/include/asm/tlbflush.h:180 [inline] cr4_clear_bits arch/x86/include/asm/tlbflush.h:203 [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+0x9d/0xb0 arch/x86/entry/entry_64.S:788 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:636 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:641 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302 RSP: 0018:ffff8801d9816e00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07 RAX: ffff8801d980a680 RBX: 1ffff1003b302dc8 RCX: ffffffff8164b282 RDX: 0000000000000000 RSI: 00000000000000fb RDI: ffff8801d9816ef8 RBP: ffff8801d9816f50 R08: 1ffff1003b302d74 R09: 0000000000000001 R10: ffff8801d9816f68 R11: 0000000000000000 R12: ffff8801d9816ef8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed003b302dd4 smp_call_function_many+0x773/0x930 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x3d/0x1b0 kernel/smp.c:602 drain_cpu_caches mm/slab.c:2241 [inline] __kmem_cache_shrink+0x32/0x160 mm/slab.c:2302 __kmem_cache_shutdown+0x9/0x10 mm/slab.c:2323 shutdown_cache+0x1d/0x1b0 mm/slab_common.c:542 kmem_cache_destroy+0x236/0x250 mm/slab_common.c:838 tipc_server_stop+0x13f/0x190 net/tipc/server.c:704 tipc_topsrv_stop+0x1fe/0x350 net/tipc/subscr.c:390 tipc_exit_net+0x15/0x40 net/tipc/core.c:96 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x5c7/0xb50 net/core/net_namespace.c:484 process_one_work+0xbf3/0x1bc0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 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: ffff8801db407e88 ---[ end trace 665cfd2e1d8ec8ba ]--- Shutting down cpus with NMI invalid opcode: 0000 [#2] SMP KASAN Dumping ftrace buffer: (ftrace bud[ i n :52 Kernel Offset: disabled ---[ end trace 665cfd2e1d8ec8bb ]--- Rebooting in 86400 seconds..