CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88019b1fee28 CR3: 00000001ce6e3000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: Kernel panic - not syncing: Machine halted. CPU: 0 PID: 17331 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #58 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:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Code: 41 57 41 89 cf 41 56 41 55 49 89 fd 41 54 45 89 cc 53 65 4c 8b 34 25 40 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 8b 45 10 <89> 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 84 24 98 RSP: 0018:ffff88019b1fee30 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 1ffff1003363fe42 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff88019b1ff1b8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff88019c59fbe0 R11: ffff8801b41fcd3b R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801b41fc5c0 R15: 0000000000000002 WARNING: kernel stack regs at 000000005bd59fa7 in syz-executor7:17331 has bad 'bp' value 0000000028ee2c1b unwind stack type:0 next_sp:00000000e150e4fd mask:0x20 graph_idx:0 00000000a6d59d98: fffffe0000008d78 (0xfffffe0000008d78) 00000000bc884b19: ffffffff812a9105 (show_trace_log_lvl+0x1f6/0x28c) 000000007343229c: ffffffff815ea86e (__lock_acquire+0x2e/0x5020) 000000000a5599a9: fffffe0000008fd8 (0xfffffe0000008fd8) 0000000088ec5ec0: 0000000000000020 (0x20) 00000000b012da7c: 0000000000000005 (0x5) 00000000fbe2397d: fffffe0000007000 (0xfffffe0000007000) 00000000e1de7233: fffffe0000009000 (0xfffffe0000009000) 000000000fca828b: ffff88019b1fee30 (0xffff88019b1fee30) 000000006cbe6fea: 0000000000000000 ... 00000000fc51fddc: fffffe0000007000 (0xfffffe0000007000) 00000000f0206fd7: fffffe0000009000 (0xfffffe0000009000) 00000000f687f9ad: ffff88019b1fee30 (0xffff88019b1fee30) 0000000055c8dc5e: 0000000000000020 (0x20) 00000000341a3164: ffff8801b41fc5c0 (0xffff8801b41fc5c0) 000000002aa8529f: 0000010100000000 (0x10100000000) 000000002f032eb0: 0000000000000000 ... 00000000919fb80a: fffffe0000008ca8 (0xfffffe0000008ca8) 0000000075c0a4a9: ffffffff815ea86e (__lock_acquire+0x2e/0x5020) 00000000dbe3e71b: fffffe0000008f58 (0xfffffe0000008f58) 00000000e894336c: 18b74754e82a0000 (0x18b74754e82a0000) 0000000070d12859: 0000000000000093 (0x93) 000000001a33b3eb: 0000000000000000 ... 00000000f86e7a55: ffffffff88f1b060 (pv_cpu_ops+0x120/0x120) 0000000025f8caa9: 00000000ffffffff (0xffffffff) 00000000ed8268a7: fffffe0000008d88 (0xfffffe0000008d88) 00000000090ac2a1: ffffffff812a91d3 (show_stack+0x38/0x3a) 000000009ecb18c7: fffffe0000008e38 (0xfffffe0000008e38) 00000000a52c6c0e: ffffffff878fb975 (dump_stack+0x1c9/0x2b4) 00000000460910cd: fffffbfff11e360c (0xfffffbfff11e360c) 00000000b099dc5b: dffffc0000000000 (0xdffffc0000000000) 00000000cf6391fc: 1fffffc0000011b6 (0x1fffffc0000011b6) 000000006784d603: 0000000041b58ab3 (0x41b58ab3) 00000000604484a6: ffffffff88bd7954 (regoff.33338+0x3696d4/0x37c210) 00000000b9d8914d: ffffffff878fb7ac (dump_stack_print_info.cold.2+0x52/0x52) 00000000ca2cb973: fffffe0000008df8 (0xfffffe0000008df8) 00000000a69d238a: 0000000000000000 ... 00000000d29649ef: fffffe0000008e40 (0xfffffe0000008e40) 000000005c11225d: ffff88019b1ff000 (0xffff88019b1ff000) 0000000025bf9b61: fffffe0000008e18 (0xfffffe0000008e18) 0000000048351218: 18b74754e82a0000 (0x18b74754e82a0000) 000000004eee7374: ffff88019b1ff000 (0xffff88019b1ff000) 0000000014b0cc9b: ffffffff89e74d60 (buf.37263+0x40/0x40) 000000003f8d45ca: 18b74754e82a0000 (0x18b74754e82a0000) 00000000d4001176: 0000000000000000 ... 000000007fcc0550: ffffffff87e742e0 (hpet_msi_domain_info+0xe40/0x1a80) 00000000143e87cd: 0000000000000000 ... 00000000521a3bf8: fffffe0000008f00 (0xfffffe0000008f00) 000000009c6092b1: ffffffff81473ab9 (panic+0x238/0x4e7) 000000004f407076: 0000000041b58ab3 (0x41b58ab3) 000000005abf4cdb: ffffffff88bed9cc (K512_4+0x130c/0x120f84) 00000000829585bd: ffffffff81473881 (add_taint.cold.5+0x16/0x16) 000000008f04aa6f: 0000000000000000 ... 00000000229fa6de: 0000000000000008 (0x8) 000000000523452a: fffffe0000008f10 (0xfffffe0000008f10) 000000001c8038f5: fffffe0000008ea8 (0xfffffe0000008ea8) 0000000055ac67f0: 0000000000000000 ... 00000000e37ac8e2: ffff8801b41fc5c0 (0xffff8801b41fc5c0) 00000000ce9a2eff: 0000010000000000 (0x10000000000) 00000000fef7c6ef: 0000000000000000 ... 000000008a519a9f: 18b74754e82a0000 (0x18b74754e82a0000) 000000000da637de: 0000000000000000 ... 000000009068b192: ffffffff8137bfcc (get_cpu_entry_area+0xc/0x30) 000000006de009d9: fffffe0000002000 (0xfffffe0000002000) 0000000005cefbb4: 0000000000000004 (0x4) 0000000039dd033d: 000000000001ede0 (0x1ede0) 000000005123f6fb: fffffe0000008e60 (0xfffffe0000008e60) 00000000b800bfcf: fffffe0000008f58 (0xfffffe0000008f58) 00000000814979de: 0000000000000000 ... 0000000083d2d1ee: ffffffff87e4a580 (__func__.44285+0x40/0x40) 0000000000f364bc: ffff88019b1fee30 (0xffff88019b1fee30) 000000006e1a1c42: 0000000000000000 ... 00000000d2798771: fffffe0000008f18 (0xfffffe0000008f18) 00000000feb52ebf: ffffffff813470df (df_debug+0x2d/0x2e) 000000002f9c7765: fffffe0000008f58 (0xfffffe0000008f58) 0000000023dcd7cf: fffffe0000008f48 (0xfffffe0000008f48) 00000000cb22a46c: ffffffff8129c1f3 (do_double_fault+0x113/0x200) 000000008fe7b4ef: 0000000000000001 (0x1) 000000005ecaf712: 0000000000000000 ... 000000005e11d9d3: fffffe0000008f59 (0xfffffe0000008f59) 00000000ded8ee3b: ffffffff87a00bd3 (double_fault+0x23/0x30) 000000005bd59fa7: 0000000000000002 (0x2) 0000000089bebb03: ffff8801b41fc5c0 (0xffff8801b41fc5c0) 00000000594ef9d8: ffffffff88f92620 (rcu_bh_lock_map+0x40/0x40) 000000008eaa0a97: 0000000000000000 ... 000000005ba8a1f7: ffff88019b1ff1b8 (0xffff88019b1ff1b8) 000000009619b1f8: 1ffff1003363fe42 (0x1ffff1003363fe42) 00000000bbc81d3f: ffff8801b41fcd3b (0xffff8801b41fcd3b) 00000000aa8229f8: ffff88019c59fbe0 (0xffff88019c59fbe0) 00000000438d119e: 0000000000000000 ... 00000000942199db: 0000000000000002 (0x2) 00000000fc23fa57: 0000000000000000 ... 00000000dd902999: ffffffff88f92620 (rcu_bh_lock_map+0x40/0x40) 0000000008691cef: ffffffffffffffff (0xffffffffffffffff) 00000000e0a658a8: ffffffff815ea86e (__lock_acquire+0x2e/0x5020) 00000000d9560f49: 0000000000000010 (0x10) 000000008ee0e7d6: 0000000000010086 (0x10086) 00000000e58fe360: ffff88019b1fee30 (0xffff88019b1fee30) 000000000bb17179: 0000000000000018 (0x18) Dumping ftrace buffer: --------------------------------- -0 0..s4 71205732us : 0: }D -0 0..s5 71205851us : 0: }D -0 0..s4 71206070us : 0: }D -0 0..s5 71206120us : 0: }D -0 0.Ns5 71206180us : 0: }D -0 0.Ns4 71206355us : 0: }D ksoftirq-9 0..s2 71206884us : 0: }D ksoftirq-9 0..s2 71206942us : 0: }D ksoftirq-9 0..s2 71207019us : 0: }D ksoftirq-9 0..s6 71207116us : 0: }D ksoftirq-9 0..s4 71207129us : 0: }D ksoftirq-9 0..s2 71207170us : 0: }D --------------------------------- Kernel Offset: disabled Rebooting in 86400 seconds..