------------[ cut here ]------------
Looking for class "ACCESS_PRIVATE(sdp, lock)" with key __key.6, but found a different class "&ACCESS_PRIVATE(sdp, lock)" with the same key
WARNING: CPU: 0 PID: 5549 at kernel/locking/lockdep.c:932 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 5549 Comm: syz-executor.0 Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932
Code: c7 c7 20 b9 2c 8b e8 ec 63 74 f6 90 0f 0b 90 90 90 31 db eb be c6 05 55 94 ef 04 01 90 48 c7 c7 40 bc 2c 8b e8 ce 63 74 f6 90 <0f> 0b 90 90 e9 62 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90
RSP: 0000:ffffc90002ad6d50 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffffffff941feec0 RCX: ffffc9000c202000
RDX: 0000000000040000 RSI: ffffffff81511296 RDI: 0000000000000001
RBP: ffffffff94ad9b40 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 20676e696b6f6f4c R12: ffffe8ffad06c898
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff94ad8be0
FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5e81b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000056fe7480 CR3: 0000000061748000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1284
__lock_acquire+0x111/0x3b30 kernel/locking/lockdep.c:5014
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x63/0x80 kernel/locking/spinlock.c:138
spin_lock_irqsave_sdp_contention kernel/rcu/srcutree.c:373 [inline]
srcu_gp_start_if_needed+0x75e/0xf00 kernel/rcu/srcutree.c:1233
__call_srcu kernel/rcu/srcutree.c:1347 [inline]
__synchronize_srcu+0x261/0x2a0 kernel/rcu/srcutree.c:1395
kvm_set_irq_routing+0x6af/0x990 arch/x86/kvm/../../../virt/kvm/irqchip.c:227
kvm_arch_vm_ioctl+0x97f/0x1c10 arch/x86/kvm/x86.c:7066
kvm_vm_ioctl+0x1a71/0x3de0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5308
kvm_vm_compat_ioctl+0x39f/0x400 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5388
__do_compat_sys_ioctl+0x2c3/0x330 fs/ioctl.c:1007
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf728f579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5e815ac EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae60
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi