traps: PANIC: double fault, error_code: 0x0 double fault: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 11319 Comm: syz-executor.3 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:fixup_bad_iret+0x24/0x170 arch/x86/kernel/traps.c:681 Code: eb cb 0f 1f 40 00 41 55 49 bd 00 00 00 00 00 fc ff df 41 54 55 48 89 fd 48 c7 c7 80 85 45 88 53 48 81 ec 40 01 00 00 48 89 e3 <48> c7 04 24 b3 8a b5 41 48 c7 44 24 08 cf 25 6b 89 48 c1 eb 03 48 RSP: 0018:fffffe000006bfb8 EFLAGS: 00010086 RAX: fffffffffffffffe RBX: fffffe000006bfb8 RCX: ffffffff88000e87 RDX: 0000000000000000 RSI: ffffffff880009a8 RDI: ffffffff88458580 RBP: fffffe000006c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f1172cd9700(0000) GS:ffff88802d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffe000006bfa8 CR3: 00000000756c0000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: error_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:946 RIP: 0010:native_irq_return_iret+0x0/0x2 Code: 5a 41 59 41 58 58 59 5a 5e 5f 48 83 c4 08 e9 10 00 00 00 90 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 f6 44 24 20 04 75 02 <48> cf 57 0f 01 f8 0f 1f 00 65 48 8b 3c 25 00 90 01 00 48 89 07 48 RSP: 0018:fffffe000006c1d8 EFLAGS: 00010046 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffe RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 RIP: 0033:0x6beb050000075f66 Code: Bad RIP value. RSP: 002b:00007f1172cd8c78 EFLAGS: 00000246 Modules linked in: ---[ end trace bc1db60d35f59644 ]--- RIP: 0010:fixup_bad_iret+0x24/0x170 arch/x86/kernel/traps.c:681 Code: eb cb 0f 1f 40 00 41 55 49 bd 00 00 00 00 00 fc ff df 41 54 55 48 89 fd 48 c7 c7 80 85 45 88 53 48 81 ec 40 01 00 00 48 89 e3 <48> c7 04 24 b3 8a b5 41 48 c7 44 24 08 cf 25 6b 89 48 c1 eb 03 48 RSP: 0018:fffffe000006bfb8 EFLAGS: 00010086 RAX: fffffffffffffffe RBX: fffffe000006bfb8 RCX: ffffffff88000e87 RDX: 0000000000000000 RSI: ffffffff880009a8 RDI: ffffffff88458580 RBP: fffffe000006c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f1172cd9700(0000) GS:ffff88802d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffe000006bfa8 CR3: 00000000756c0000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400