------------[ cut here ]------------ WARNING: CPU: 3 PID: 6256 at kernel/rcu/srcutree.c:653 cleanup_srcu_struct+0x37c/0x520 kernel/rcu/srcutree.c:653 Modules linked in: CPU: 3 PID: 6256 Comm: syz-executor.2 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:cleanup_srcu_struct+0x37c/0x520 kernel/rcu/srcutree.c:653 Code: 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 90 0f 0b 90 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 90 <0f> 0b 90 e9 35 ff ff ff 90 0f 0b 90 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90023027da8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffffc90023029000 RCX: 0000000000000008 RDX: fffff91ffffa99f4 RSI: 0000000000000008 RDI: ffffe8ffffd4cf98 RBP: ffff888000370800 R08: 0000000000000000 R09: fffff91ffffa99f3 R10: ffffe8ffffd4cf9f R11: 0000000000000000 R12: ffffc900230328a8 R13: ffffc90023032880 R14: ffffc90023032868 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:0000000056d6a400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000005800904c CR3: 0000000026bc6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1352 [inline] kvm_put_kvm+0x8df/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: 0023:0xf72d7579 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:00000000ff9554a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000056d6a400 RDX: 0000000000000000 RSI: 00000000f742dff4 RDI: 00000000ffffffff RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi