BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.3/10122 caller is lockdep_hardirqs_on_prepare+0x5e/0x410 kernel/locking/lockdep.c:4060 CPU: 0 PID: 10122 Comm: syz-executor.3 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 __bad_area arch/x86/mm/fault.c:856 [inline] bad_area_access_error+0x29c/0x3b0 arch/x86/mm/fault.c:916 do_user_addr_fault+0x662/0xb40 arch/x86/mm/fault.c:1355 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: 0033:0x400684 Code: 01 e9 c9 00 00 00 48 8b 44 24 10 48 0b 44 24 28 be 08 00 00 00 48 8b 14 24 75 17 48 8b 7c 24 20 e8 d1 67 00 00 48 8b 4c 24 08 <48> 89 01 e9 9d 00 00 00 48 8b 44 24 08 48 8b 38 e8 b7 67 00 00 8a RSP: 002b:00007ffc0c94d240 EFLAGS: 00010202 RAX: 0000000020001340 RBX: 0000000001190150 RCX: 00000000200012c0 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020001340 RBP: 0000000001190158 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc0c94d350 R11: 0000000000000246 R12: fffffffffffffffe R13: 000000000001f619 R14: 00000000000003e8 R15: 000000000118bfd4 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor.3/10122 caller is lockdep_hardirqs_on+0x38/0x110 kernel/locking/lockdep.c:4129 CPU: 0 PID: 10122 Comm: syz-executor.3 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 __bad_area arch/x86/mm/fault.c:856 [inline] bad_area_access_error+0x29c/0x3b0 arch/x86/mm/fault.c:916 do_user_addr_fault+0x662/0xb40 arch/x86/mm/fault.c:1355 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: 0033:0x400684 Code: 01 e9 c9 00 00 00 48 8b 44 24 10 48 0b 44 24 28 be 08 00 00 00 48 8b 14 24 75 17 48 8b 7c 24 20 e8 d1 67 00 00 48 8b 4c 24 08 <48> 89 01 e9 9d 00 00 00 48 8b 44 24 08 48 8b 38 e8 b7 67 00 00 8a RSP: 002b:00007ffc0c94d240 EFLAGS: 00010202 RAX: 0000000020001340 RBX: 0000000001190150 RCX: 00000000200012c0 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020001340 RBP: 0000000001190158 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc0c94d350 R11: 0000000000000246 R12: fffffffffffffffe R13: 000000000001f619 R14: 00000000000003e8 R15: 000000000118bfd4