https://bugzilla.kernel.org/show_bug.cgi?id=198589 --- Comment #1 from Ziqian SUN (Zamir) (sztsian@xxxxxxxxx) --- I did the same steps with 4.15.0-0.rc9.git0.1.fc28.x86_64, panic is shown on console log. [ 4.016156] PANIC: double fault, error_code: 0x0 [ 4.016912] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-0.rc9.git0.1.fc28.x86_64 #1 [ 4.018070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014 [ 4.019323] RIP: 0010:async_page_fault+0x11/0x60 [ 4.019997] RSP: 0018:fffffe0000001fc8 EFLAGS: 00010046 [ 4.020723] RAX: 0000000085a00b37 RBX: 0000000000000001 RCX: ffffffff85a00b37 [ 4.021616] RDX: 0000000000000000 RSI: 0000000000000010 RDI: fffffe0000002078 [ 4.022506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.024147] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.025215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.026248] FS: 0000000000000000(0000) GS:ffff93337fc00000(0000) knlGS:0000000000000000 [ 4.028023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.029121] CR2: fffffe0000001fb8 CR3: 0000000078b24006 CR4: 00000000001606f0 [ 4.030100] Call Trace: [ 4.030626] <ENTRY_TRAMPOLINE> [ 4.031218] RIP: 0010:do_async_page_fault+0x0/0xa0 [ 4.031960] RSP: 0018:fffffe0000002070 EFLAGS: 00010097 [ 4.031977] async_page_fault+0x2c/0x60 [ 4.033444] RIP: 0010:do_async_page_fault+0x0/0xa0 [ 4.034225] RSP: 0018:fffffe0000002120 EFLAGS: 00010097 [ 4.035052] RAX: 0000000085a00b37 RBX: 0000000000000001 RCX: ffffffff85a00b37 [ 4.036064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe0000002128 [ 4.037115] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.038074] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.039039] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.040077] ? native_iret+0x7/0x7 [ 4.040695] async_page_fault+0x2c/0x60 [ 4.041398] RIP: 0010:swapgs_restore_regs_and_return_to_usermode+0x7b/0x87 [ 4.042363] RSP: 0018:fffffe00000021d8 EFLAGS: 00010006 [ 4.043128] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.044072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 4.044997] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.045957] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.047041] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.048061] WARNING: stack recursion on stack type 4 [ 4.048066] WARNING: can't dereference registers at 00000000c42fb14d for ip swapgs_restore_regs_and_return_to_usermode+0x7b/0x87 [ 4.048074] </ENTRY_TRAMPOLINE> [ 4.051169] Code: ff e8 b4 5c 66 ff e9 9f 02 00 00 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 83 c4 88 f6 84 24 88 00 00 00 03 75 20 <e8> 6a 01 00 00 48 89 e7 48 8b 74 24 78 48 c7 44 24 78 ff ff ff [ 4.055714] Kernel panic - not syncing: Machine halted. [ 4.056985] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-0.rc9.git0.1.fc28.x86_64 #1 [ 4.058668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014 [ 4.060218] Call Trace: [ 4.060740] <#DF> [ 4.061214] dump_stack+0x5c/0x85 [ 4.061825] panic+0xe4/0x252 [ 4.062388] df_debug+0x29/0x30 [ 4.062979] do_double_fault+0x9f/0x130 [ 4.063634] double_fault+0x22/0x30 [ 4.064262] RIP: 0010:async_page_fault+0x11/0x60 [ 4.065013] RSP: 0018:fffffe0000001fc8 EFLAGS: 00010046 [ 4.065824] RAX: 0000000085a00b37 RBX: 0000000000000001 RCX: ffffffff85a00b37 [ 4.066791] RDX: 0000000000000000 RSI: 0000000000000010 RDI: fffffe0000002078 [ 4.067751] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.068764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.069771] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.070705] ? native_iret+0x7/0x7 [ 4.071287] </#DF> [ 4.071796] <ENTRY_TRAMPOLINE> [ 4.072383] RIP: 0010:do_async_page_fault+0x0/0xa0 [ 4.073123] RSP: 0018:fffffe0000002070 EFLAGS: 00010097 [ 4.073141] async_page_fault+0x2c/0x60 [ 4.074607] RIP: 0010:do_async_page_fault+0x0/0xa0 [ 4.075309] RSP: 0018:fffffe0000002120 EFLAGS: 00010097 [ 4.076061] RAX: 0000000085a00b37 RBX: 0000000000000001 RCX: ffffffff85a00b37 [ 4.077037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe0000002128 [ 4.078064] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.079122] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.080151] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.081184] ? native_iret+0x7/0x7 [ 4.081792] async_page_fault+0x2c/0x60 [ 4.082476] RIP: 0010:swapgs_restore_regs_and_return_to_usermode+0x7b/0x87 [ 4.084617] RSP: 0018:fffffe00000021d8 EFLAGS: 00010006 [ 4.085410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.086389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 4.087805] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 4.089310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 4.090581] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4.092036] </ENTRY_TRAMPOLINE> [ 4.092741] Kernel Offset: 0x4000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 4.094174] ---[ end Kernel panic - not syncing: Machine halted. -- You are receiving this mail because: You are watching the assignee of the bug.
