BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 21917 Comm: syz.2.6947 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 save_trace+0x991/0xcd0 kernel/locking/lockdep.c:578
 mark_lock+0x1b9/0x320 kernel/locking/lockdep.c:4673
 mark_usage kernel/locking/lockdep.c:4599 [inline]
 __lock_acquire+0xd49/0x7c80 kernel/locking/lockdep.c:5091
 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 htab_lock_bucket+0x181/0x300 kernel/bpf/hashtab.c:166
 htab_map_delete_elem+0x1a4/0x630 kernel/bpf/hashtab.c:1443
 bpf_prog_2c29ac5cdc6b1842+0x42/0x46
 bpf_dispatcher_nop_func include/linux/bpf.h:1224 [inline]
 __bpf_prog_run include/linux/filter.h:612 [inline]
 bpf_prog_run include/linux/filter.h:619 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2322 [inline]
 bpf_trace_run3+0x1e7/0x400 kernel/trace/bpf_trace.c:2362
 __traceiter_kmem_cache_free+0x34/0x50 include/trace/events/kmem.h:114
 trace_kmem_cache_free include/trace/events/kmem.h:114 [inline]
 kmem_cache_free+0x1e0/0x280 mm/slub.c:3851
 jbd2_free_handle include/linux/jbd2.h:1607 [inline]
 jbd2_journal_stop+0x8d2/0xd40 fs/jbd2/transaction.c:1950
 __ext4_journal_stop+0xf6/0x190 fs/ext4/ext4_jbd2.c:134
 __mark_inode_dirty+0x2cc/0xca0 fs/fs-writeback.c:2465
 generic_update_time fs/inode.c:1981 [inline]
 inode_update_time fs/inode.c:1994 [inline]
 __file_update_time fs/inode.c:2180 [inline]
 file_update_time+0x197/0x1b0 fs/inode.c:2210
 ext4_page_mkwrite+0x1f3/0x1210 fs/ext4/inode.c:6238
 do_page_mkwrite+0x153/0x3e0 mm/memory.c:2951
 wp_page_shared mm/memory.c:3311 [inline]
 do_wp_page+0xe5e/0x3630 mm/memory.c:3396
 handle_pte_fault mm/memory.c:5063 [inline]
 __handle_mm_fault mm/memory.c:5188 [inline]
 handle_mm_fault+0x12d4/0x4920 mm/memory.c:5353
 do_user_addr_fault+0x738/0x12e0 arch/x86/mm/fault.c:1373
 handle_page_fault arch/x86/mm/fault.c:1465 [inline]
 exc_page_fault+0x67/0x110 arch/x86/mm/fault.c:1521
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7fc76b461411
Code: b5 7a ff ff 48 8b 05 66 43 eb 00 0f b6 4c 24 10 be 08 00 00 00 48 89 df 83 05 42 43 eb 00 01 48 8d 50 ff 48 89 15 47 43 eb 00 <88> 48 ff 8b 2d 2e 43 eb 00 e8 81 7a ff ff 48 8b 05 3a 43 eb 00 41
RSP: 002b:00007fff585d3d70 EFLAGS: 00010202
RAX: 0000001b33963fd0 RBX: 00007fc76c315720 RCX: 0000000000000003
RDX: 0000001b33963fcf RSI: 0000000000000008 RDI: 00007fc76c315720
RBP: 00007fc76b7e6038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffc03
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>