------------[ cut here ]------------
timer_delete_sync(&sdp->delay_work) && rcu_segcblist_n_cbs(&sdp->srcu_cblist)
WARNING: kernel/rcu/srcutree.c:706 at cleanup_srcu_struct+0x6e4/0xb30 kernel/rcu/srcutree.c:706, CPU#0: syz.3.550/10871
Modules linked in:
CPU: 0 UID: 0 PID: 10871 Comm: syz.3.550 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:cleanup_srcu_struct+0x6e4/0xb30 kernel/rcu/srcutree.c:706
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 f4 03 00 00 48 8b 83 e8 00 00 00 48 8d 93 80 01 00 00 48 85 c0 0f 84 a7 fc ff ff 90 <0f> 0b 90 48 8d 8b 00 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0000:ffffc90003e17ca0 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffffe8ffac05e580 RCX: 0000000000000000
RDX: ffffe8ffac05e700 RSI: ffffffff81f63acf RDI: ffff88802666a580
RBP: ffff8880731f1000 R08: 0000000000000005 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888025afa2f8
R13: 0000000000000000 R14: ffffffff8e6ba0b0 R15: ffff888025afa338
FS:  0000000000000000(0000) GS:ffff888096960000(0063) knlGS:00000000574a2480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c2a33d9 CR3: 000000002691b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kvm_destroy_vm virt/kvm/kvm_main.c:1303 [inline]
 kvm_put_kvm+0x95b/0xc10 virt/kvm/kvm_main.c:1332
 kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1355
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f98fec
Code: Unable to access opcode bytes at 0xf7f98fc2.
RSP: 002b:00000000ff9e1c0c EFLAGS: 00000202 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>