CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000009beb7348 CR3: 00000001c595d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Kernel panic - not syncing: Machine halted. CPU: 1 PID: 13033 Comm: syz-executor2 Not tainted 4.18.0-rc3-next-20180706+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <#DF> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 df_debug+0x2d/0x2e arch/x86/kernel/doublefault.c:81 do_double_fault+0x113/0x200 arch/x86/kernel/traps.c:444 double_fault+0x23/0x30 arch/x86/entry/entry_64.S:998 RIP: 0010:vmx_vcpu_run+0x1244/0x2600 arch/x86/kvm/vmx.c:10022 Code: 60 03 00 00 4c 8b a9 68 03 00 00 4c 8b b1 70 03 00 00 4c 8b b9 78 03 00 00 48 8b 89 08 03 00 00 75 05 0f 01 c2 eb 03 0f 01 c3 <48> 89 4c 24 08 59 0f 96 81 88 56 00 00 48 89 81 00 03 00 00 48 89 RSP: 0018:000000009beb7350 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 1ffff10032235d2c RCX: ffffffff8110d4ab RDX: 1ffff1003223de00 RSI: ffffffff8110d58b RDI: 0000000000000007 RBP: ffff8801911aea08 R08: ffff8801d8144500 R09: fffff520005f8f3a R10: fffff520005f8f3a R11: ffffc90002fc79d3 R12: 1ffff10032235d28 R13: ffff8801911ef000 R14: ffff8801911ae9e0 R15: 0000000000000000 WARNING: kernel stack regs at 00000000b42cd7f8 in syz-executor2:13033 has bad 'bp' value 00000000d03ebd62 unwind stack type:0 next_sp:00000000c64ebfdd mask:0x20 graph_idx:0 0000000033d41e89: fffffe0000039d78 (0xfffffe0000039d78) 00000000c551f668: ffffffff812a9a55 (show_trace_log_lvl+0x1f6/0x28c) 0000000080c56282: ffffffff811f4fb4 (vmx_vcpu_run+0x1244/0x2600) 00000000600dfa79: fffffe0000039fd8 (0xfffffe0000039fd8) 00000000b2b26092: 0000000000000020 (0x20) 0000000035a28dee: 0000000000000005 (0x5) 0000000089de7543: fffffe0000038000 (0xfffffe0000038000) 000000006e7d4956: fffffe000003a000 (0xfffffe000003a000) 00000000df0f31f4: 000000009beb7350 (0x9beb7350) 0000000080c33238: 0000000000000000 ... 0000000001f3613b: fffffe0000038000 (0xfffffe0000038000) 0000000032ec23ff: fffffe000003a000 (0xfffffe000003a000) 000000007c7a6be0: 000000009beb7350 (0x9beb7350) 00000000ad91e647: 0000000000000020 (0x20) 00000000d9b44ad8: ffff8801d8144500 (0xffff8801d8144500) 00000000e6095bcb: 0000010100000000 (0x10100000000) 00000000047bcd05: 0000000000000000 ... 000000005f5ee5ef: fffffe0000039ca8 (0xfffffe0000039ca8) 0000000055cbccdd: ffffffff811f4fb4 (vmx_vcpu_run+0x1244/0x2600) 00000000516df15f: fffffe0000039f58 (0xfffffe0000039f58) 00000000032e6e77: 9bca2ff62bc82300 (0x9bca2ff62bc82300) 00000000200d2c7d: 0000000000000093 (0x93) 000000005bf6767b: 0000000000000000 ... 00000000fa74dc70: ffffffff88f1b260 (pv_cpu_ops+0x120/0x120) 000000000c7c7269: 00000000ffffffff (0xffffffff) 00000000f737d2e6: fffffe0000039d88 (0xfffffe0000039d88) 00000000c27c60c4: ffffffff812a9b23 (show_stack+0x38/0x3a) 00000000bde258b2: fffffe0000039e38 (0xfffffe0000039e38) 00000000baebd098: ffffffff87950115 (dump_stack+0x1c9/0x2b4) 00000000b3753b85: fffffbfff11e364c (0xfffffbfff11e364c) 00000000bf124468: dffffc0000000000 (0xdffffc0000000000) 000000007aa3c6e2: 1fffffc0000073b6 (0x1fffffc0000073b6) 00000000f5a16cbd: 0000000041b58ab3 (0x41b58ab3) 000000009f061489: ffffffff88bdf674 (regoff.33745+0x36ac14/0x37d810) 00000000cefb78e5: ffffffff8794ff4c (dump_stack_print_info.cold.2+0x52/0x52) 00000000407e1398: fffffe0000039df8 (0xfffffe0000039df8) 00000000d0c4a392: 0000000000000000 ... 000000009b7e7278: fffffe0000039e40 (0xfffffe0000039e40) 0000000073ca7d36: 000000009beb8000 (0x9beb8000) 000000008016fd56: fffffe0000039e18 (0xfffffe0000039e18) 0000000098525757: 9bca2ff62bc82300 (0x9bca2ff62bc82300) 0000000076e25a0a: 000000009beb8000 (0x9beb8000) 0000000005a63fb7: ffffffff89e78d20 (buf.37679+0x40/0x40) 00000000a29861e9: 9bca2ff62bc82300 (0x9bca2ff62bc82300) 000000005bce8694: 0000000000000000 ... 00000000113410dc: ffffffff87e744c0 (hpet_msi_domain_info+0xe40/0x1a80) 00000000fa17df9b: 0000000000000001 (0x1) 00000000c0ddee0e: 0000000000000000 ... 00000000e68a929c: fffffe0000039f00 (0xfffffe0000039f00) 0000000083b7eeb0: ffffffff814750a9 (panic+0x238/0x4e7) 0000000022ff00f0: 0000000041b58ab3 (0x41b58ab3) 0000000069facdb4: ffffffff88bf57b4 (K512_4+0x1334/0x122434) 000000009bad1448: ffffffff81474e71 (add_taint.cold.5+0x16/0x16) 00000000c381cf5a: 0000000000000000 ... 00000000381fbef9: ffff880100000008 (0xffff880100000008) 000000003d7fc286: fffffe0000039f10 (0xfffffe0000039f10) 000000008a02ca0e: fffffe0000039ea8 (0xfffffe0000039ea8) 000000004885c6b6: 0000000000000002 (0x2) 00000000ca4ba1e5: ffff8801d8144500 (0xffff8801d8144500) 00000000af46c5ce: 0000010000000000 (0x10000000000) 000000006bd7bd01: 0000000000000000 ... 0000000079f68202: 9bca2ff62bc82300 (0x9bca2ff62bc82300) 0000000097cdded8: 0000000000000000 ... 00000000163b25a3: ffffffff8137d27c (get_cpu_entry_area+0xc/0x30) 000000005a070906: fffffe0000033000 (0xfffffe0000033000) 0000000061cbac27: 0000000000000004 (0x4) 00000000ab225909: 000000000001ede0 (0x1ede0) 00000000402f754a: ffff8801d8144500 (0xffff8801d8144500) 00000000328c14dc: fffffe0000039f58 (0xfffffe0000039f58) 00000000796d0e03: 0000000000000000 ... 00000000468274cb: ffffffff87e4a540 (__func__.44670+0x40/0x40) 00000000977b69ff: 000000009beb7350 (0x9beb7350) 00000000e2618990: 0000000000000000 ... 00000000f57f0ac4: fffffe0000039f18 (0xfffffe0000039f18) 00000000aa226790: ffffffff813480df (df_debug+0x2d/0x2e) 0000000034e19269: fffffe0000039f58 (0xfffffe0000039f58) 000000009c96b020: fffffe0000039f48 (0xfffffe0000039f48) 0000000013b81351: ffffffff8129cb43 (do_double_fault+0x113/0x200) 00000000b5ab374b: 0000000000000001 (0x1) 000000009cd677dd: 0000000000000000 ... 000000003da3ba44: fffffe0000039f59 (0xfffffe0000039f59) 00000000ee65ac27: ffffffff87a00bd3 (double_fault+0x23/0x30) 00000000b42cd7f8: 0000000000000000 ... 0000000064077443: ffff8801911ae9e0 (0xffff8801911ae9e0) 00000000319fa6fd: ffff8801911ef000 (0xffff8801911ef000) 00000000ee375d7d: 1ffff10032235d28 (0x1ffff10032235d28) 0000000075d689fc: ffff8801911aea08 (0xffff8801911aea08) 00000000dc9cfd22: 1ffff10032235d2c (0x1ffff10032235d2c) 00000000dab22416: ffffc90002fc79d3 (0xffffc90002fc79d3) 0000000016a80030: fffff520005f8f3a (0xfffff520005f8f3a) 00000000cecc66ac: fffff520005f8f3a (0xfffff520005f8f3a) 00000000b94c5d23: ffff8801d8144500 (0xffff8801d8144500) 000000002fa653e6: dffffc0000000000 (0xdffffc0000000000) 0000000064d8b701: ffffffff8110d4ab (pte_list_remove+0x6b/0x420) 00000000c0895ac4: 1ffff1003223de00 (0x1ffff1003223de00) 0000000063a53a89: ffffffff8110d58b (pte_list_remove+0x14b/0x420) 000000006b65d4d5: 0000000000000007 (0x7) 00000000b783b932: ffffffffffffffff (0xffffffffffffffff) 00000000f5f9a27d: ffffffff811f4fb4 (vmx_vcpu_run+0x1244/0x2600) 000000000d275db1: 0000000000000010 (0x10) 000000004110e8ef: 0000000000010002 (0x10002) 00000000b4fd6c0c: 000000009beb7350 (0x9beb7350) 00000000d54cceb7: 0000000000000018 (0x18) Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..