syzbot

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WARNING: CPU: 1 PID: 387 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:687
Modules linked in:
CPU: 1 UID: 0 PID: 387 Comm: syz.2.24 Not tainted syzkaller #0 1976820a860199aae9d2abf4727fc3b97aa7bbea
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:664
Code: 00 48 8b 5d a0 74 08 48 89 df e8 c2 4e 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 18 e0 20 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
RSP: 0018:ffffc9000121fc88 EFLAGS: 00010202
RAX: 1ffffd1ffff80f3a RBX: ffffc900033ec8e8 RCX: ffffffff816dc9a9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc079d0
RBP: ffffc9000121fcf0 R08: ffffe8ffffc079d7 R09: 1ffffd1ffff80f3a
R10: dffffc0000000000 R11: fffff91ffff80f3b R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc079d0
FS:  000055556bfd7500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd6a95c6c8 CR3: 0000000115b52000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 kvm_destroy_vm virt/kvm/kvm_main.c:1362 [inline]
 kvm_put_kvm+0x1100/0x12b0 virt/kvm/kvm_main.c:1391
 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1414
 __fput+0x1fe/0xa00 fs/file_table.c:429
 ____fput+0x20/0x30 fs/file_table.c:457
 task_work_run+0x1e3/0x250 kernel/task_work.c:240
 resume_user_mode_work+0x36/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x64/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f09dd38ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6a95c5a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000066b6 RCX: 00007f09dd38ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000036a95c89f
R10: 0000001b33020000 R11: 0000000000000246 R12: 00007f09dd5c5fac
R13: 00007f09dd5c5fa0 R14: ffffffffffffffff R15: 0000000000000002
 </TASK>
---[ end trace 0000000000000000 ]---