BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 0 PID: 26453 Comm: syz.4.10306 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 save_trace+0x8a8/0xad0 kernel/locking/lockdep.c:547 mark_lock+0x1b9/0x320 kernel/locking/lockdep.c:4586 mark_usage kernel/locking/lockdep.c:4512 [inline] __lock_acquire+0xd7b/0x7b50 kernel/locking/lockdep.c:4966 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162 htab_lock_bucket kernel/bpf/hashtab.c:183 [inline] htab_lru_map_delete_elem+0x1ae/0x650 kernel/bpf/hashtab.c:1397 bpf_prog_1fd700a2536aa253+0x42/0xc9c bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run3+0x19e/0x350 kernel/trace/bpf_trace.c:1916 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline] kmem_cache_free+0x1e7/0x210 mm/slub.c:3521 __mpol_put mm/mempolicy.c:308 [inline] mpol_put include/linux/mempolicy.h:66 [inline] do_mbind mm/mempolicy.c:1341 [inline] kernel_mbind mm/mempolicy.c:1472 [inline] __do_sys_mbind mm/mempolicy.c:1479 [inline] __se_sys_mbind+0x5cf/0x770 mm/mempolicy.c:1475 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd8dac250b9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd8d9e8a028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007fd8dae51fa0 RCX: 00007fd8dac250b9 RDX: 0000000000008003 RSI: 0000000000600000 RDI: 0000200000000000 RBP: 00007fd8dacb79c4 R08: 0000000000000008 R09: 0000000000000000 R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd8dae51fa0 R15: 00007ffc4bd47b38