BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 8880 Comm: syz-executor291 Not tainted 6.14.0-rc7-syzkaller-00137-g5fc319360819 #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 mark_lock+0x2d2/0xc60 kernel/locking/lockdep.c:4746 mark_usage kernel/locking/lockdep.c:4672 [inline] __lock_acquire+0x9f1/0x3c40 kernel/locking/lockdep.c:5182 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_map_delete_elem+0x1c8/0x740 kernel/bpf/hashtab.c:1447 bpf_prog_0968317a0ea44b00+0x43/0x7d 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 vma_numab_state_free include/linux/mm.h:692 [inline] __vm_area_free+0x3e/0x140 kernel/fork.c:512 remove_vma+0x154/0x1b0 mm/vma.c:417 exit_mmap+0x511/0xba0 mm/mmap.c:1308 __mmput+0x12a/0x410 kernel/fork.c:1356 mmput+0x62/0x70 kernel/fork.c:1378 exit_mm kernel/exit.c:570 [inline] do_exit+0x9ba/0x2db0 kernel/exit.c:925 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 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: 0033:0x7f05f10301f9 Code: Unable to access opcode bytes at 0x7f05f10301cf. RSP: 002b:00007ffc393d0638 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05f10301f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f05f10ab2d0 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05f10ab2d0 R13: 0000000000000000 R14: 00007f05f10abd40 R15: 00007f05f1001380