BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 3 PID: 16843 Comm: syz-executor.2 Not tainted 5.12.0-rc8-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 alloc_list_entry kernel/locking/lockdep.c:1353 [inline] add_lock_to_list.constprop.0.cold+0x11/0x18 kernel/locking/lockdep.c:1374 check_prev_add kernel/locking/lockdep.c:3007 [inline] check_prevs_add kernel/locking/lockdep.c:3060 [inline] validate_chain kernel/locking/lockdep.c:3675 [inline] __lock_acquire+0x2f37/0x54c0 kernel/locking/lockdep.c:4901 lock_acquire kernel/locking/lockdep.c:5511 [inline] lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5476 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3345 wake_up_process kernel/sched/core.c:3533 [inline] wake_up_q+0x96/0x100 kernel/sched/core.c:587 rwsem_wake kernel/locking/rwsem.c:1179 [inline] __up_read+0x338/0x7b0 kernel/locking/rwsem.c:1300 mmap_read_unlock include/linux/mmap_lock.h:143 [inline] xdp_umem_pin_pages net/xdp/xdp_umem.c:110 [inline] xdp_umem_reg net/xdp/xdp_umem.c:220 [inline] xdp_umem_create+0x995/0x1110 net/xdp/xdp_umem.c:253 xsk_setsockopt+0x73e/0x9e0 net/xdp/xsk.c:990 __sys_setsockopt+0x2db/0x610 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2128 [inline] __se_sys_setsockopt net/socket.c:2125 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2125 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4539f5d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000004 RBP: 00000000004bfce1 R08: 0000000000000018 R09: 0000000000000000 R10: 00000000200000c0 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd3aa37dcf R14: 00007f4539f5d300 R15: 0000000000022000