BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.5/10039 caller is lockdep_hardirqs_on_prepare+0x5e/0x410 kernel/locking/lockdep.c:4060 CPU: 0 PID: 10039 Comm: syz-executor.5 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:118 check_preemption_disabled+0x123/0x130 lib/smp_processor_id.c:48 lockdep_hardirqs_on_prepare+0x5e/0x410 kernel/locking/lockdep.c:4060 trace_hardirqs_on+0x5b/0x1c0 kernel/trace/trace_preemptirq.c:49 __bad_area_nosemaphore+0xc6/0x400 arch/x86/mm/fault.c:797 do_user_addr_fault+0x7d7/0xb40 arch/x86/mm/fault.c:1335 handle_page_fault arch/x86/mm/fault.c:1429 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1485 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:583 RIP: 0023:0x807f262 Code: 00 00 0f bc d1 f3 0f 7f 27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 83 c3 0f 29 d3 8d 7c 17 31 e9 d2 0b 00 00 66 0f ef c0 <66> 0f 6f 0e 66 0f 74 c1 66 0f d7 d0 83 fb 11 0f 86 e2 01 00 00 85 RSP: 002b:00000000f55bfca0 EFLAGS: 00010246 RAX: 00000000f55bfccc RBX: 00000000000003ff RCX: 0000000000000000 RDX: 00000000081202bc RSI: 0000000000000000 RDI: 00000000f55bfccc RBP: 00000000f55c0228 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.5/10039 caller is lockdep_hardirqs_on+0x38/0x110 kernel/locking/lockdep.c:4129 CPU: 0 PID: 10039 Comm: syz-executor.5 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:118 check_preemption_disabled+0x123/0x130 lib/smp_processor_id.c:48 lockdep_hardirqs_on+0x38/0x110 kernel/locking/lockdep.c:4129 __bad_area_nosemaphore+0xc6/0x400 arch/x86/mm/fault.c:797 do_user_addr_fault+0x7d7/0xb40 arch/x86/mm/fault.c:1335 handle_page_fault arch/x86/mm/fault.c:1429 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1485 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:583 RIP: 0023:0x807f262 Code: 00 00 0f bc d1 f3 0f 7f 27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 83 c3 0f 29 d3 8d 7c 17 31 e9 d2 0b 00 00 66 0f ef c0 <66> 0f 6f 0e 66 0f 74 c1 66 0f d7 d0 83 fb 11 0f 86 e2 01 00 00 85 RSP: 002b:00000000f55bfca0 EFLAGS: 00010246 RAX: 00000000f55bfccc RBX: 00000000000003ff RCX: 0000000000000000 RDX: 00000000081202bc RSI: 0000000000000000 RDI: 00000000f55bfccc RBP: 00000000f55c0228 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000