CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000009591f348 CR3: 00000001a992f000 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: 22304 Comm: syz-executor4 Not tainted 4.18.0-rc3+ #136 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: 0018:000000009591f350 EFLAGS: 00010002 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000600 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 WARNING: kernel stack regs at 0000000016154805 in syz-executor4:22304 has bad 'bp' value (null) unwind stack type:0 next_sp:00000000677c3cba mask:0x20 graph_idx:0 00000000f5e95e14: fffffe0000039d78 (0xfffffe0000039d78) 00000000c33208ba: ffffffff812a9105 (show_trace_log_lvl+0x1f6/0x28c) 00000000f1c7b53d: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 000000001a57cc4e: fffffe0000039fd8 (0xfffffe0000039fd8) 0000000083facd45: 0000000000000020 (0x20) 0000000021d51e25: 0000000000000005 (0x5) 00000000f7889a71: fffffe0000038000 (0xfffffe0000038000) 00000000917233be: fffffe000003a000 (0xfffffe000003a000) 00000000dcf16506: 000000009591f350 (0x9591f350) 00000000696efcb7: 0000000000000000 ... 00000000d2f42c62: fffffe0000038000 (0xfffffe0000038000) 00000000b7d69a8e: fffffe000003a000 (0xfffffe000003a000) 000000002bc0f9ad: 000000009591f350 (0x9591f350) 000000001a7ba554: 0000000000000020 (0x20) 0000000031196a0a: ffff8801976a26c0 (0xffff8801976a26c0) 000000001a58c03d: 0000010100000000 (0x10100000000) 000000001bc2302f: 0000000000000000 ... 000000006a905613: fffffe0000039ca8 (0xfffffe0000039ca8) 00000000f0efb7a2: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 00000000d374597e: fffffe0000039f58 (0xfffffe0000039f58) 00000000b3df337f: 857a7f7f03f26e00 (0x857a7f7f03f26e00) 0000000080651c0b: 0000000000000012 (0x12) 000000004a627713: 0000000000000000 ... 000000001026c2f0: ffffffff88f1b060 (pv_cpu_ops+0x120/0x120) 00000000dca9144c: 00000000ffffffff (0xffffffff) 00000000c5daf667: fffffe0000039d88 (0xfffffe0000039d88) 00000000b69fe7e5: ffffffff812a91d3 (show_stack+0x38/0x3a) 00000000c334ec65: fffffe0000039e38 (0xfffffe0000039e38) 000000009f44162f: ffffffff878c8805 (dump_stack+0x1c9/0x2b4) 000000007b15634f: fffffbfff11e360c (0xfffffbfff11e360c) 000000000c91563a: dffffc0000000000 (0xdffffc0000000000) 00000000cff03c92: 1fffffc0000073b6 (0x1fffffc0000073b6) 000000002c04cad7: 0000000041b58ab3 (0x41b58ab3) 000000004ad26789: ffffffff88bd4d64 (regoff.34021+0x3683c4/0x37af00) 000000007032cabd: ffffffff878c863c (dump_stack_print_info.cold.2+0x52/0x52) 00000000ea945e4d: fffffe0000039df8 (0xfffffe0000039df8) 00000000be7c7378: 0000000000000000 ... 000000001baa528f: fffffe0000039e40 (0xfffffe0000039e40) 000000000e5f462d: 0000000095920000 (0x95920000) 00000000f63d7907: fffffe0000039e18 (0xfffffe0000039e18) 00000000e8ef2951: 857a7f7f03f26e00 (0x857a7f7f03f26e00) 0000000087f9f8cc: 0000000095920000 (0x95920000) 0000000019f470af: ffffffff89e72d60 (buf.37943+0x40/0x40) 0000000034cbd6cb: 857a7f7f03f26e00 (0x857a7f7f03f26e00) 00000000eaab0b2c: 0000000000000000 ... 000000004f62e6ee: ffffffff87e742e0 (hpet_msi_domain_info+0xe40/0x1a80) 00000000cc6b55d1: 0000000000000001 (0x1) 000000008dcf274a: 0000000000000000 ... 0000000038d1cad6: fffffe0000039f00 (0xfffffe0000039f00) 000000000bd6889d: ffffffff81473ab9 (panic+0x238/0x4e7) 0000000061b4cc94: 0000000041b58ab3 (0x41b58ab3) 000000005a994f8f: ffffffff88beadcc (K512_4+0x130c/0x1207ec) 000000009ba509ba: ffffffff81473881 (add_taint.cold.5+0x16/0x16) 00000000ff727ee0: 0000000000000000 ... 000000005423fc8d: 0000000000000008 (0x8) 0000000002555914: fffffe0000039f10 (0xfffffe0000039f10) 000000003d316626: fffffe0000039ea8 (0xfffffe0000039ea8) 00000000ec7cb3fc: 0000000000000000 ... 000000004c927cce: ffff8801976a26c0 (0xffff8801976a26c0) 0000000050374fb6: 0000010000000000 (0x10000000000) 000000006c4a0003: 0000000000000000 ... 00000000436e8cc4: 857a7f7f03f26e00 (0x857a7f7f03f26e00) 00000000872ff72a: 0000000000000000 ... 00000000d24c88bc: ffffffff8137bfcc (get_cpu_entry_area+0xc/0x30) 000000009a5065a8: fffffe0000033000 (0xfffffe0000033000) 00000000ffe8fcc9: ffffc90004831000 (0xffffc90004831000) 000000004d96b026: 000000000001ede0 (0x1ede0) 0000000023e1d554: fffffe0000039e60 (0xfffffe0000039e60) 000000005e2337f0: fffffe0000039f58 (0xfffffe0000039f58) 000000009136db7d: 0000000000000000 ... 000000000cf9a4ba: ffffffff87e4a580 (__func__.44965+0x40/0x40) 00000000873cd5cd: 000000009591f350 (0x9591f350) 000000006bc0f537: 0000000000000000 ... 00000000e15e7cff: fffffe0000039f18 (0xfffffe0000039f18) 00000000b4788d1c: ffffffff813470df (df_debug+0x2d/0x2e) 00000000d9c7b39c: fffffe0000039f58 (0xfffffe0000039f58) 000000002fc182c6: fffffe0000039f48 (0xfffffe0000039f48) 000000008cdb80c8: ffffffff8129c1f3 (do_double_fault+0x113/0x200) 00000000bd2557a2: 0000000000000001 (0x1) 000000002a0a3654: 0000000000000000 ... 000000005196271c: fffffe0000039f59 (0xfffffe0000039f59) 00000000e5fc7017: ffffffff87a00bd3 (double_fault+0x23/0x30) 0000000016154805: 0000000000000000 ... 000000007ff5f539: 0000000000000600 (0x600) 000000009952112a: 0000000000000000 ... 000000008bd73d2b: ffffffffffffffff (0xffffffffffffffff) 0000000030a93708: ffffffff811f4664 (vmx_vcpu_run+0x1244/0x2600) 00000000025fa366: 0000000000000010 (0x10) 000000002fdabea2: 0000000000010002 (0x10002) 00000000bef869ed: 000000009591f350 (0x9591f350) 000000006c980afd: 0000000000000018 (0x18) Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..