------------[ cut here ]------------ timer_delete_sync(&sdp->delay_work) WARNING: kernel/rcu/srcutree.c:706 at cleanup_srcu_struct+0x3aa/0x890 kernel/rcu/srcutree.c:706, CPU#0: syz.3.5167/20394 Modules linked in: CPU: 0 UID: 0 PID: 20394 Comm: syz.3.5167 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:cleanup_srcu_struct+0x3aa/0x890 kernel/rcu/srcutree.c:706 Code: b9 8a 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 0e ff 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:ffffc90004867c50 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000607edad87a00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8e253559 RDI: 00000000ffffffff RBP: ffffe8ffffc93a00 R08: ffffffff9058fb7f R09: 1ffffffff20b1f6f R10: dffffc0000000000 R11: fffffbfff20b1f70 R12: ffff88802c048800 R13: 0000000000000000 R14: ffffffff8e5237d0 R15: 1ffffffff1ca47de FS: 000055557c8b8500(0000) GS:ffff888124f0c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33b1eff8 CR3: 000000005b77c000 CR4: 00000000003526f0 Call Trace: 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+0x22e/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:336 [inline] do_syscall_64+0x328/0x510 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc0c6d9e0d9 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:00007ffd0a29d988 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fc0c7027da0 RCX: 00007fc0c6d9e0d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fc0c7027da0 R08: 00007fc0c7026038 R09: 0000000000000000 R10: 00000000005fa5dc R11: 0000000000000246 R12: 00000000000b746d R13: 00007fc0c702609c R14: 00000000000b71d1 R15: 00007fc0c7026090