general protection fault, probably for non-canonical address 0x1ffff11015d26b1a: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 Code: 74 00 00 00 00 00 66 e6 88 31 00 00 00 00 5d 00 e9 10 00 00 00 00 a0 0d 74 00 00 00 00 00 ff e8 86 fd 00 00 00 00 cc cc cc cc <00> 00 00 00 41 55 41 56 00 00 00 00 a7 d8 14 00 00 00 00 00 d8 14 RSP: 0018:ffffc90000d3fdd0 EFLAGS: 00010046 RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a99f8340 RDX: ffff8880a99f8c08 RSI: ffff8880938ac0c0 RDI: ffff8880a99f8340 RBP: ffff888092624b80 R08: dffffc0000000000 R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a99f8770 R13: dffffc0000000000 R14: 1ffff1101533f0ee R15: ffff8880938ac0c0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000078c000 CR3: 000000009f9b5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:3453 [inline] __schedule+0x7d3/0xc40 kernel/sched/core.c:4178 schedule_idle+0x5c/0x90 kernel/sched/core.c:4281 do_idle+0x61a/0x650 kernel/sched/idle.c:304 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:372 start_secondary+0x1b2/0x1e0 arch/x86/kernel/smpboot.c:268 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: ---[ end trace 2cb75420340a323c ]--- RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 Code: 74 00 00 00 00 00 66 e6 88 31 00 00 00 00 5d 00 e9 10 00 00 00 00 a0 0d 74 00 00 00 00 00 ff e8 86 fd 00 00 00 00 cc cc cc cc <00> 00 00 00 41 55 41 56 00 00 00 00 a7 d8 14 00 00 00 00 00 d8 14 RSP: 0018:ffffc90000d3fdd0 EFLAGS: 00010046 RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a99f8340 RDX: ffff8880a99f8c08 RSI: ffff8880938ac0c0 RDI: ffff8880a99f8340 RBP: ffff888092624b80 R08: dffffc0000000000 R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a99f8770 R13: dffffc0000000000 R14: 1ffff1101533f0ee R15: ffff8880938ac0c0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000078c000 CR3: 000000009f9b5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400