BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 5199 Comm: syslogd Not tainted 6.12.0-rc5-syzkaller-00180-g3b557be89fc6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 save_trace+0x926/0xb50 kernel/locking/lockdep.c:579 check_prev_add kernel/locking/lockdep.c:3222 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x2bde/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 htab_lock_bucket+0x1a4/0x370 kernel/bpf/hashtab.c:167 htab_lru_map_delete_elem+0x1f1/0x700 kernel/bpf/hashtab.c:1466 bpf_prog_9e406b8072284750+0x4e/0x52 bpf_dispatcher_nop_func include/linux/bpf.h:1265 [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:2316 [inline] bpf_trace_run3+0x33a/0x5a0 kernel/trace/bpf_trace.c:2358 __traceiter_kmem_cache_free+0x33/0x50 include/trace/events/kmem.h:114 trace_kmem_cache_free include/trace/events/kmem.h:114 [inline] kmem_cache_free+0x355/0x420 mm/slub.c:4680 __unix_dgram_recvmsg+0xcea/0x12f0 net/unix/af_unix.c:2520 sock_recvmsg_nosec net/socket.c:1051 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1073 sock_read_iter+0x2c4/0x3d0 net/socket.c:1143 new_sync_read fs/read_write.c:488 [inline] vfs_read+0x991/0xb70 fs/read_write.c:569 ksys_read+0x183/0x2b0 fs/read_write.c:712 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff0f4a81b6a Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffcc67712c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0f4a81b6a RDX: 00000000000000ff RSI: 00005603bbb00950 RDI: 0000000000000000 RBP: 00005603bbb00910 R08: 0000000000000001 R09: 0000000000000000 R10: 00007ff0f4c203a3 R11: 0000000000000246 R12: 00005603bbb009b7 R13: 00005603bbb00950 R14: 0000000000000000 R15: 00007ff0f4c64a80