CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000c7bff348 CR3: 00000001ba46a000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Kernel panic - not syncing: Machine halted. CPU: 0 PID: 13517 Comm: syz-executor4 Not tainted 4.18.0-rc2+ #123 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:994 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: 0018:00000000c7bff350 EFLAGS: 00010002 RAX: ffff8801acbe8400 RBX: 0000000000000282 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffea00075a4907 RDI: 0000000000000282 RBP: ffff88019efe7788 R08: ffff8801b130c938 R09: 0000000000000006 R10: ffff8801b130c100 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801da987dc0 R14: ffff8801acbe8400 R15: ffffffff88f1b060 WARNING: kernel stack regs at 0000000038a36757 in syz-executor4:13517 has bad 'bp' value 00000000c7a1d2f4 unwind stack type:0 next_sp:000000000ae0beb6 mask:0x20 graph_idx:0 0000000010482bb3: fffffe0000008d78 (0xfffffe0000008d78) 00000000fa3a73c2: ffffffff812a9105 (show_trace_log_lvl+0x1f6/0x28c) 00000000b533ce13: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 0000000031fc5cce: fffffe0000008fd8 (0xfffffe0000008fd8) 00000000daf9862c: 0000000000000020 (0x20) 0000000000d96b8c: 0000000000000005 (0x5) 0000000065cd4b59: fffffe0000007000 (0xfffffe0000007000) 000000007bf8200e: fffffe0000009000 (0xfffffe0000009000) 00000000626be0dc: 00000000c7bff350 (0xc7bff350) 00000000788afb89: 0000000000000000 ... 00000000dd9cb92e: fffffe0000007000 (0xfffffe0000007000) 000000000263c14c: fffffe0000009000 (0xfffffe0000009000) 00000000605df109: 00000000c7bff350 (0xc7bff350) 00000000bf0fd5fc: 0000000000000020 (0x20) 00000000c9103218: ffff8801b130c100 (0xffff8801b130c100) 00000000244b7f1f: 0000010100000000 (0x10100000000) 0000000031de77a2: 0000000000000000 ... 000000008f04daf7: fffffe0000008ca8 (0xfffffe0000008ca8) 00000000e130e974: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 000000006533396a: fffffe0000008f58 (0xfffffe0000008f58) 00000000e7841098: d6b98439d0d95200 (0xd6b98439d0d95200) 00000000b9914af3: 0000000000000016 (0x16) 0000000079e59cf7: 0000000000000000 ... 0000000005f60d6c: ffffffff88f1b060 (pv_cpu_ops+0x120/0x120) 00000000bd25fe61: 00000000ffffffff (0xffffffff) 000000003c7de91d: fffffe0000008d88 (0xfffffe0000008d88) 00000000e0195279: ffffffff812a91d3 (show_stack+0x38/0x3a) 00000000fe9a11e8: fffffe0000008e38 (0xfffffe0000008e38) 00000000aefe32a3: ffffffff878afee5 (dump_stack+0x1c9/0x2b4) 000000005c98e583: fffffbfff11e360c (0xfffffbfff11e360c) 00000000a8e90018: dffffc0000000000 (0xdffffc0000000000) 0000000083c4958e: 1fffffc0000011b6 (0x1fffffc0000011b6) 00000000a742d5b7: 0000000041b58ab3 (0x41b58ab3) 00000000854e6128: ffffffff88bd2814 (regoff.34021+0x367ff4/0x37ab50) 0000000028a9352c: ffffffff878afd1c (dump_stack_print_info.cold.2+0x52/0x52) 000000001579b372: fffffe0000008df8 (0xfffffe0000008df8) 000000008adcc4af: 0000000000000000 ... 00000000e0184782: fffffe0000008e40 (0xfffffe0000008e40) 000000009240a9bf: 00000000c7c00000 (0xc7c00000) 0000000049b2dfdc: fffffe0000008e18 (0xfffffe0000008e18) 00000000fbc46881: d6b98439d0d95200 (0xd6b98439d0d95200) 000000002b658ec6: 00000000c7c00000 (0xc7c00000) 00000000a95cb884: ffffffff89e70d60 (buf.37946+0x40/0x40) 00000000e7639d17: d6b98439d0d95200 (0xd6b98439d0d95200) 000000006dfb65af: 0000000000000000 ... 000000005fe18a30: ffffffff87e742e0 (hpet_msi_domain_info+0xe40/0x1a80) 0000000070a4203f: 0000000000000000 ... 00000000432004ec: fffffe0000008f00 (0xfffffe0000008f00) 0000000062c9892d: ffffffff81473b59 (panic+0x238/0x4e7) 0000000085e8a819: 0000000041b58ab3 (0x41b58ab3) 00000000ac8465c5: ffffffff88be888c (K512_4+0x130c/0x120474) 0000000097306a94: ffffffff81473921 (add_taint.cold.5+0x16/0x16) 000000004d110875: 0000000000000000 ... 0000000084780e31: ffff880100000008 (0xffff880100000008) 000000005c85539e: fffffe0000008f10 (0xfffffe0000008f10) 0000000085692ebc: fffffe0000008ea8 (0xfffffe0000008ea8) 000000001063a609: 0000000000000002 (0x2) 000000004f9dd870: ffff8801b130c100 (0xffff8801b130c100) 00000000e144fe0d: 0000010000000000 (0x10000000000) 000000000b898f12: 0000000000000000 ... 00000000069fa92a: d6b98439d0d95200 (0xd6b98439d0d95200) 00000000cfebf192: 0000000000000000 ... 000000002620e3f2: ffffffff8137bfdc (get_cpu_entry_area+0xc/0x30) 0000000036595351: fffffe0000002000 (0xfffffe0000002000) 00000000036922d5: ffffc90005236000 (0xffffc90005236000) 00000000e2b1db2b: 000000000001ede0 (0x1ede0) 00000000a9789b8f: ffff8801b130c100 (0xffff8801b130c100) 000000007dc0bfc7: fffffe0000008f58 (0xfffffe0000008f58) 00000000c5861d23: 0000000000000000 ... 0000000097b3b7b5: ffffffff87e4a580 (__func__.44968+0x40/0x40) 0000000085740cc1: 00000000c7bff350 (0xc7bff350) 0000000007e508a7: 0000000000000000 ... 00000000b87c1f8c: fffffe0000008f18 (0xfffffe0000008f18) 00000000caa5922c: ffffffff813470df (df_debug+0x2d/0x2e) 000000001b31f71e: fffffe0000008f58 (0xfffffe0000008f58) 0000000049b5b007: fffffe0000008f48 (0xfffffe0000008f48) 0000000023760929: ffffffff8129c1f3 (do_double_fault+0x113/0x200) 000000002735d55f: 0000000000000001 (0x1) 000000000de458b4: 0000000000000000 ... 000000008442380d: fffffe0000008f59 (0xfffffe0000008f59) 00000000ea1d54d6: ffffffff87a00bd3 (double_fault+0x23/0x30) 0000000038a36757: ffffffff88f1b060 (pv_cpu_ops+0x120/0x120) 0000000013ff49ab: ffff8801acbe8400 (0xffff8801acbe8400) 0000000068f59ebe: ffff8801da987dc0 (0xffff8801da987dc0) 00000000d930b879: 0000000000000000 ... 000000001965932c: ffff88019efe7788 (0xffff88019efe7788) 00000000b7d451fd: 0000000000000282 (0x282) 00000000ad06ff6e: 0000000000000000 ... 00000000680e8ae5: ffff8801b130c100 (0xffff8801b130c100) 00000000721d2bbd: 0000000000000006 (0x6) 000000003a3f2c97: ffff8801b130c938 (0xffff8801b130c938) 000000007709bf8a: ffff8801acbe8400 (0xffff8801acbe8400) 00000000afa3ca73: 0000000000000000 ... 000000004bd0c12a: ffffea00075a4907 (0xffffea00075a4907) 000000009c7808d6: 0000000000000282 (0x282) 00000000b29781e8: ffffffffffffffff (0xffffffffffffffff) 0000000066f2d8e8: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 00000000f888a0bd: 0000000000000010 (0x10) 00000000fd8c2e0e: 0000000000010002 (0x10002) 000000008a726ad4: 00000000c7bff350 (0xc7bff350) 00000000728511a8: 0000000000000018 (0x18) Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..