BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 11984 Comm: syz-executor Not tainted 6.13.0-syzkaller-ga86bf2283d2c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 save_trace+0x78f/0xb60 kernel/locking/lockdep.c:581 check_prev_add kernel/locking/lockdep.c:3224 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain kernel/locking/lockdep.c:3906 [inline] __lock_acquire+0x312a/0x3c40 kernel/locking/lockdep.c:5228 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 htab_lock_bucket kernel/bpf/hashtab.c:167 [inline] htab_lru_map_delete_elem+0x1c8/0x790 kernel/bpf/hashtab.c:1483 bpf_prog_3ffd2c70e20892c6+0x43/0x4c bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2371 [inline] bpf_trace_run2+0x231/0x590 kernel/trace/bpf_trace.c:2412 __do_trace_kfree include/trace/events/kmem.h:94 [inline] trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x244/0x4d0 mm/slub.c:4744 inet_sock_destruct+0x5c5/0x8b0 net/ipv4/af_inet.c:158 __sk_destruct+0x4d/0x720 net/core/sock.c:2276 sk_destruct+0xc2/0xf0 net/core/sock.c:2324 __sk_free+0xf4/0x3e0 net/core/sock.c:2335 sk_free+0x6a/0x90 net/core/sock.c:2346 sock_put include/net/sock.h:1913 [inline] tcp_close+0xd3/0x120 net/ipv4/tcp.c:3225 inet_release+0x13c/0x280 net/ipv4/af_inet.c:435 __sock_release+0xb0/0x270 net/socket.c:642 sock_close+0x1c/0x30 net/socket.c:1393 __fput+0x3ff/0xb70 fs/file_table.c:448 __fput_sync+0xa1/0xc0 fs/file_table.c:534 __do_sys_close fs/open.c:1579 [inline] __se_sys_close fs/open.c:1564 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1564 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f303bb7eb7a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24 RSP: 002b:00007ffd939711b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f303bb7eb7a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ffd939711fc R08: 00007ffd93970b0c R09: 00007ffd93970f17 R10: 00007ffd93970b90 R11: 0000000000000293 R12: 0000000000000032 R13: 00000000000422dd R14: 00000000000422d3 R15: 00007ffd93971250