------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 20809 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071 Modules linked in: CPU: 1 PID: 20809 Comm: syz-executor.1 Not tainted 6.8.0-rc1-syzkaller-00455-gc57e32fb29f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071 Code: 84 00 00 00 00 00 55 89 fd 53 e8 77 9c ff 02 89 c3 e8 60 fd ff ff 85 db 74 14 90 48 c7 c7 80 b3 cc 8a 89 ee e8 9d 7e e6 ff 90 <0f> 0b 90 90 5b 5d c3 0f 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffffc90004e2ea98 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc9000af94000 RDX: 0000000000040000 RSI: ffffffff814e1916 RDI: 0000000000000001 RBP: 00000000ffffffff R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000036bd0 R12: ffff8880b478c6b8 R13: ffff8880b478c6e0 R14: ffffc90004e2ebb0 R15: dffffc0000000000 FS: 00007f745f8206c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f06ed56c6 CR3: 000000018e6d1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_irq_usage+0xe46/0x1490 kernel/locking/lockdep.c:2824 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x245b/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 alloc_object lib/debugobjects.c:233 [inline] lookup_object_or_alloc.part.0+0x3ce/0xaf0 lib/debugobjects.c:587 lookup_object_or_alloc lib/debugobjects.c:567 [inline] debug_object_activate+0x384/0x540 lib/debugobjects.c:710 debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline] __call_rcu_common.constprop.0+0x2c/0x7b0 kernel/rcu/tree.c:2700 put_task_struct_rcu_user kernel/exit.c:235 [inline] put_task_struct_rcu_user+0x87/0xc0 kernel/exit.c:232 context_switch kernel/sched/core.c:5403 [inline] __schedule+0xf1a/0x5c00 kernel/sched/core.c:6727 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6904 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 rmqueue_pcplist mm/page_alloc.c:2863 [inline] rmqueue mm/page_alloc.c:2899 [inline] get_page_from_freelist+0x1a54/0x3780 mm/page_alloc.c:3308 __alloc_pages+0x22f/0x2440 mm/page_alloc.c:4567 alloc_buddy_hugetlb_folio.isra.0+0xbd/0x380 mm/hugetlb.c:2221 __alloc_fresh_hugetlb_folio+0x3a1/0x620 mm/hugetlb.c:2271 alloc_fresh_hugetlb_folio.constprop.0+0x29/0x110 mm/hugetlb.c:2320 alloc_surplus_hugetlb_folio+0x127/0x300 mm/hugetlb.c:2539 alloc_buddy_hugetlb_folio_with_mpol mm/hugetlb.c:2615 [inline] alloc_hugetlb_folio+0xd3c/0x1240 mm/hugetlb.c:3228 hugetlb_no_page mm/hugetlb.c:6183 [inline] hugetlb_fault+0x1abe/0x2150 mm/hugetlb.c:6411 handle_mm_fault+0x90b/0xa10 mm/memory.c:5448 faultin_page mm/gup.c:958 [inline] __get_user_pages+0x4b2/0x1490 mm/gup.c:1241 populate_vma_page_range+0x2d4/0x420 mm/gup.c:1679 __mm_populate+0x1d7/0x380 mm/gup.c:1788 mm_populate include/linux/mm.h:3391 [inline] vm_mmap_pgoff+0x2cd/0x3c0 mm/util.c:561 ksys_mmap_pgoff+0x1c4/0x5b0 mm/mmap.c:1425 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:86 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f745ea7cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f745f8200c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f745ebabf80 RCX: 00007f745ea7cda9 RDX: 0000000000000003 RSI: 0000000000ff5000 RDI: 0000000020000000 RBP: 00007f745eac947a R08: ffffffffffffffff R09: 0000000000000000 R10: 00020000000ec071 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f745ebabf80 R15: 00007ffc53cf9518