BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0001) - permissions violation PGD 6812067 P4D 6812067 PUD 6814067 PMD 6816067 PTE 8000000006809165 Oops: 0001 [#1] PREEMPT SMP KASAN CPU: 0 PID: 344 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:copy_from_kernel_nofault+0x86/0x2e0 mm/maccess.c:37 Code: 48 89 55 d0 0f 85 ea 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 cb 92 d6 ff 49 83 fd 07 76 5c 4d 89 fe 49 83 c5 f8 49 83 c7 08 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90000b37030 EFLAGS: 00010292 RAX: 0000000000000002 RBX: 00007ffffffff000 RCX: ffff88810b1493c0 RDX: ffff88810b149f50 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000b37068 R08: ffffffff8199a795 R09: ffffed1021629279 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc90000b370c8 R15: ffffc90000b370d0 ---------------- Code disassembly (best guess): 0: 48 89 55 d0 mov %rdx,-0x30(%rbp) 4: 0f 85 ea 01 00 00 jne 0x1f4 a: ff 02 incl (%rdx) c: bf 07 00 00 00 mov $0x7,%edi 11: 4c 89 ee mov %r13,%rsi 14: e8 cb 92 d6 ff call 0xffd692e4 19: 49 83 fd 07 cmp $0x7,%r13 1d: 76 5c jbe 0x7b 1f: 4d 89 fe mov %r15,%r14 22: 49 83 c5 f8 add $0xfffffffffffffff8,%r13 26: 49 83 c7 08 add $0x8,%r15 * 2a: 49 8b 1c 24 mov (%r12),%rbx <-- trapping instruction 2e: 4c 89 f0 mov %r14,%rax 31: 48 c1 e8 03 shr $0x3,%rax 35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 3c: fc ff df 3f: 80 .byte 0x80