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lockdep bfs error:-1
WARNING: CPU: 1 PID: 9022 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071
Modules linked in:
CPU: 1 PID: 9022 Comm: syz-executor.0 Not tainted 6.8.0-rc6-syzkaller-01946-g09fcde547761 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071
Code: 90 90 90 90 90 90 55 53 89 fb e8 e7 41 2b 03 89 c5 e8 80 1b ff ff 85 ed 74 14 90 48 c7 c7 c0 cd aa 8b 89 de e8 ed c6 e5 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900001f0368 EFLAGS: 00010046
RAX: 1e101f19868e4a00 RBX: 00000000ffffffff RCX: ffff888093d29dc0
RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81577ad2 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: dffffc0000000001
R13: ffffffff93de05a8 R14: ffffffff929d0070 R15: ffffffff93dcbd18
FS: 00005555569f9480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5fb9ad988 CR3: 00000000a09a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
check_irq_usage kernel/locking/lockdep.c:2806 [inline]
check_prev_add kernel/locking/lockdep.c:3138 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x47dd/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1e3/0x530 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
alloc_object+0x1ba/0x6d0 lib/debugobjects.c:233
lookup_object_or_alloc lib/debugobjects.c:587 [inline]
debug_object_activate+0x249/0x510 lib/debugobjects.c:710
debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline]
__call_rcu_common kernel/rcu/tree.c:2700 [inline]
call_rcu+0x97/0xa80 kernel/rcu/tree.c:2829
call_timer_fn+0x17e/0x600 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x621/0x830 kernel/time/timer.c:2038
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2051
__do_softirq+0x2bb/0x942 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu+0xf1/0x1c0 kernel/softirq.c:632
irq_exit_rcu+0x9/0x30 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x25a/0x530 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 94 00 85 00 f6 44 24 61 02 0f 85 8e 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90014bcf440 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92002979e94 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8baac7e0 RDI: ffffffff8bfe7fe0
RBP: ffffc90014bcf598 R08: ffffffff92ca8437 R09: 1ffffffff2595086
R10: dffffc0000000000 R11: fffffbfff2595087 R12: 1ffff92002979e90
R13: dffffc0000000000 R14: ffffc90014bcf4a0 R15: 0000000000000246
fs_reclaim_acquire+0xae/0x130 mm/page_alloc.c:3709
might_alloc include/linux/sched/mm.h:303 [inline]
bdev_getblk+0x42/0x610 fs/buffer.c:1425
__getblk include/linux/buffer_head.h:355 [inline]
sb_getblk include/linux/buffer_head.h:361 [inline]
__ext4_get_inode_loc+0x54a/0xe30 fs/ext4/inode.c:4369
ext4_get_inode_loc fs/ext4/inode.c:4497 [inline]
ext4_reserve_inode_write+0x182/0x360 fs/ext4/inode.c:5728
__ext4_mark_inode_dirty+0x1db/0x870 fs/ext4/inode.c:5905
__ext4_new_inode+0x354c/0x4360 fs/ext4/ialloc.c:1335
ext4_symlink+0x38d/0xb50 fs/ext4/namei.c:3396
vfs_symlink+0x137/0x2a0 fs/namei.c:4484
do_symlinkat+0x222/0x3a0 fs/namei.c:4510
__do_sys_symlinkat fs/namei.c:4526 [inline]
__se_sys_symlinkat fs/namei.c:4523 [inline]
__x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4523
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f680c47d527
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 01 00 00 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:00007ffc6453c798 EFLAGS: 00000202 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007ffc6453c860 RCX: 00007f680c47d527
RDX: 00007f680c4ca53c RSI: 00000000ffffff9c RDI: 00007ffc6453c860
RBP: 0000000000000001 R08: 0000000000000013 R09: 00007ffc6453c4e7
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
----------------
Code disassembly (best guess):
0: 2b 00 sub (%rax),%eax
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 94 00 85 00 call 0x8500a0
c: f6 44 24 61 02 testb $0x2,0x61(%rsp)
11: 0f 85 8e 01 00 00 jne 0x1a5
17: 41 f7 c7 00 02 00 00 test $0x200,%r15d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1)
3a: 00 00
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 25 .byte 0x25