BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 0 PID: 29858 Comm: syz-executor228 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 save_trace+0x85f/0xa80 kernel/locking/lockdep.c:547
 check_prev_add kernel/locking/lockdep.c:3114 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x3b0b/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
 htab_lock_bucket kernel/bpf/hashtab.c:183 [inline]
 htab_map_delete_elem+0x1b2/0x520 kernel/bpf/hashtab.c:1361
 bpf_prog_2c29ac5cdc6b1842+0x3a/0xdc4
 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+0x17e/0x320 kernel/trace/bpf_trace.c:1916
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 __traceiter_kmem_cache_free+0x30/0x50 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
 __exit_signal kernel/exit.c:206 [inline]
 release_task+0x1011/0x15a0 kernel/exit.c:246
 wait_task_zombie kernel/exit.c:1182 [inline]
 wait_consider_task+0x18d2/0x2df0 kernel/exit.c:1409
 do_wait_thread kernel/exit.c:1472 [inline]
 do_wait+0x2f8/0xac0 kernel/exit.c:1589
 kernel_wait4+0x1ab/0x270 kernel/exit.c:1752
 __do_sys_wait4 kernel/exit.c:1780 [inline]
 __se_sys_wait4 kernel/exit.c:1776 [inline]
 __x64_sys_wait4+0x130/0x1e0 kernel/exit.c:1776
 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: 0033:0x7f3aad080773
Code: fe ff e9 41 ff ff ff 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 11 a9 07 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48
RSP: 002b:00007ffcc3aab198 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000002a9 RCX: 00007f3aad080773
RDX: 0000000040000001 RSI: 00007ffcc3aab1ac RDI: 00000000ffffffff
RBP: 00000000000f4240 R08: 00000000000001f7 R09: 001242f483433724
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000007add3
R13: 00007ffcc3aab1ac R14: 00007ffcc3aab1c0 R15: 00007ffcc3aab1b0
 </TASK>