general protection fault, probably for non-canonical address 0x2077688013898c20: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8430 Comm: syz-executor.2 Not tainted 5.7.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:252 [inline] RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:261 [inline] RIP: 0010:do_syscall_64+0x103/0x620 arch/x86/entry/common.c:305 Code: e9 03 80 3c 11 00 0f 85 83 04 00 00 48 89 45 50 65 48 8b 1c 25 00 1f 02 00 48 b8 00 00 00 00 70 77 77 00 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 77 04 00 00 48 c7 c7 b8 48 d4 88 48 8b 1b 48 b8 RSP: 0018:ffffc90004e07f28 EFLAGS: 00010a02 RAX: 0077777000000000 RBX: ffff88809c4c6100 RCX: 1ffff920009c0ff5 RDX: 1ffff11013898c20 RSI: 0000000000000006 RDI: ffffc90004e07fa8 RBP: ffffc90004e07f58 R08: fffffbfff1769c37 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88d448d0 R13: ffff88809c4c6100 R14: 0000000000000000 R15: 0000000000000000 FS: 00000000023a8940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000740194 CR3: 000000009e9a4000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ad51 Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 8a 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 46 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffd29e0ef90 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 RAX: 0000000000000000 RBX: 000000000000ff38 RCX: 000000000045ad51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd29e0efa0 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd29e0f0a0 R11: 0000000000000293 R12: 000000000078bf00 R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bf0c Modules linked in: ---[ end trace abd225e9f4caf5c2 ]--- RIP: 0010:__read_once_size include/linux/compiler.h:252 [inline] RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:261 [inline] RIP: 0010:do_syscall_64+0x103/0x620 arch/x86/entry/common.c:305 Code: e9 03 80 3c 11 00 0f 85 83 04 00 00 48 89 45 50 65 48 8b 1c 25 00 1f 02 00 48 b8 00 00 00 00 70 77 77 00 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 77 04 00 00 48 c7 c7 b8 48 d4 88 48 8b 1b 48 b8 RSP: 0018:ffffc90004e07f28 EFLAGS: 00010a02 RAX: 0077777000000000 RBX: ffff88809c4c6100 RCX: 1ffff920009c0ff5 RDX: 1ffff11013898c20 RSI: 0000000000000006 RDI: ffffc90004e07fa8 RBP: ffffc90004e07f58 R08: fffffbfff1769c37 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88d448d0 R13: ffff88809c4c6100 R14: 0000000000000000 R15: 0000000000000000 FS: 00000000023a8940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000740194 CR3: 000000009e9a4000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400