------------[ cut here ]------------
timer_delete_sync(&sdp->delay_work) && rcu_segcblist_n_cbs(&sdp->srcu_cblist)
WARNING: kernel/rcu/srcutree.c:707 at cleanup_srcu_struct+0x3d6/0x8b0 kernel/rcu/srcutree.c:706, CPU#0: syz.0.0/5319
Modules linked in:
CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
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+0x3d6/0x8b0 kernel/rcu/srcutree.c:706
Code: b8 8d 00 48 83 7d 00 00 4c 8b 74 24 10 0f 85 dd 03 00 00 41 ff c5 41 83 e5 0f 41 83 fd 07 0f 86 e2 fe ff ff e9 ab 00 00 00 90 <0f> 0b 90 4c 8d b5 00 02 00 00 4c 89 f3 48 c1 eb 03 48 b8 00 00 00
RSP: 0018:ffffc9000d897c50 EFLAGS: 00010206
RAX: 1ffffd1ffff89fdd RBX: 0000607f7398de00 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff8e41879c RDI: 00000000ffffffff
RBP: ffffe8ffffc4fe00 R08: ffffffff907a737f R09: 1ffffffff20f4e6f
R10: dffffc0000000000 R11: fffffbfff20f4e70 R12: ffff8880523fe000
R13: 0000000000000000 R14: ffffe8ffffc4fee8 R15: 1ffffffff1cdd7de
FS:  000055556215a540(0000) GS:ffff88808c2c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d10c223048 CR3: 00000000433fc000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kvm_destroy_vm virt/kvm/kvm_main.c:1303 [inline]
 kvm_put_kvm+0x9cb/0xb50 virt/kvm/kvm_main.c:1332
 kvm_vm_release+0x43/0x50 virt/kvm/kvm_main.c:1355
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 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+0x204/0x770 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:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb39399e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf1188ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffdf1188fd0 RCX: 00007fb39399e159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000016b0b R08: 0000000000000001 R09: 0000000000000000
R10: 00007fb3937ff040 R11: 0000000000000246 R12: 00007ffdf1189010
R13: 00007fb393c25fac R14: 0000000000016bb3 R15: 00007fb393c25fa0
 </TASK>