Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 10182 Comm: syz-executor.3 Not tainted 6.10.0-rc5-syzkaller-00012-g626737a5791b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__hlist_del include/linux/list.h:988 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:934 [inline]
RIP: 0010:detach_if_pending+0x14c/0x450 kernel/time/timer.c:953
Code: df 4c 89 ea 4c 8b 23 48 c1 ea 03 80 3c 02 00 0f 85 ea 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 08 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 be 02 00 00 4d 85 e4 4d 89 65 00 74 2a e8 9c 5a
RSP: 0018:ffffc9000386fca8 EFLAGS: 00010047
RAX: dffffc0000000000 RBX: ffffe8ffad27b310 RCX: ffffffff817b36ca
RDX: 0000000000000000 RSI: ffffffff817b34ee RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000006 R14: 0000000000000001 R15: 000000000003d94c
FS:  0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:0000000057e0c400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033340000 CR3: 000000002bbee000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __try_to_del_timer_sync+0xc5/0x170 kernel/time/timer.c:1509
 __timer_delete_sync+0xf4/0x1b0 kernel/time/timer.c:1665
 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+0x8d3/0xb80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1381
 kvm_vm_release+0x42/0x60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1404
 __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: 0023:0xf7336579
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:00000000ff910700 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000057e0c400
RDX: 0000000000000000 RSI: 00000000f748cff4 RDI: 00000000000626eb
RBP: 00000000f74b40c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:988 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:934 [inline]
RIP: 0010:detach_if_pending+0x14c/0x450 kernel/time/timer.c:953
Code: df 4c 89 ea 4c 8b 23 48 c1 ea 03 80 3c 02 00 0f 85 ea 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 08 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 be 02 00 00 4d 85 e4 4d 89 65 00 74 2a e8 9c 5a
RSP: 0018:ffffc9000386fca8 EFLAGS: 00010047
RAX: dffffc0000000000 RBX: ffffe8ffad27b310 RCX: ffffffff817b36ca
RDX: 0000000000000000 RSI: ffffffff817b34ee RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000006 R14: 0000000000000001 R15: 000000000003d94c
FS:  0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:0000000057e0c400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033340000 CR3: 000000002bbee000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	df 4c 89 ea          	fisttps -0x16(%rcx,%rcx,4)
   4:	4c 8b 23             	mov    (%rbx),%r12
   7:	48 c1 ea 03          	shr    $0x3,%rdx
   b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   f:	0f 85 ea 02 00 00    	jne    0x2ff
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	4c 8b 6b 08          	mov    0x8(%rbx),%r13
  23:	4c 89 ea             	mov    %r13,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 be 02 00 00    	jne    0x2f2
  34:	4d 85 e4             	test   %r12,%r12
  37:	4d 89 65 00          	mov    %r12,0x0(%r13)
  3b:	74 2a                	je     0x67
  3d:	e8                   	.byte 0xe8
  3e:	9c                   	pushf
  3f:	5a                   	pop    %rdx