------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 5628 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 0 PID: 5628 at kernel/locking/lockdep.c:232 hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221 Modules linked in: CPU: 0 PID: 5628 Comm: syz-executor.1 Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221 Code: b6 14 11 38 d0 7c 04 84 d2 75 43 8b 05 93 44 77 0e 85 c0 75 19 90 48 c7 c6 80 be 2c 8b 48 c7 c7 20 b9 2c 8b e8 97 47 e5 ff 90 <0f> 0b 90 90 90 31 c0 eb 9e e8 d8 f3 7f 00 e9 1c ff ff ff 48 c7 c7 RSP: 0018:ffffc9000438fb30 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000001b16 RCX: ffffffff81511289 RDX: ffff88801d140000 RSI: ffffffff81511296 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000002d2d2d2d R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801d140ae0 R15: 0000000000001b16 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000580e0400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7422270 CR3: 000000001c1dc000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_wait_context kernel/locking/lockdep.c:4773 [inline] __lock_acquire+0x3f2/0x3b30 kernel/locking/lockdep.c:5087 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __timer_delete_sync+0x152/0x1b0 kernel/time/timer.c:1647 del_timer_sync include/linux/timer.h:185 [inline] cleanup_srcu_struct+0x124/0x520 kernel/rcu/srcutree.c:659 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1351 [inline] kvm_put_kvm+0x8df/0xb80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1380 kvm_vcpu_release+0x51/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4146 __fput+0x408/0xbb0 fs/file_table.c:422 __fput_sync+0x47/0x50 fs/file_table.c:507 __do_sys_close fs/open.c:1555 [inline] __se_sys_close fs/open.c:1540 [inline] __ia32_sys_close+0x86/0x100 fs/open.c:1540 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: 0023:0xf72fe579 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:00000000ff8d4030 EFLAGS: 00000293 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000580e0400 RDX: 0000000000000000 RSI: 00000000f7454ff4 RDI: 00000000ffffffff RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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