jump_label: Fatal kernel bug, unexpected op at preempt_notifier_register+0x10/0xe0 [ffffffff8163f740] (eb 12 90 48 c7 != 66 90 0f 1f 00)) size:2 type:1 ------------[ cut here ]------------ kernel BUG at arch/x86/kernel/jump_label.c:73! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 15394 Comm: syz.0.2568 Not tainted 6.11.0-rc1-syzkaller-00272-g17712b7ea075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__jump_label_patch+0x463/0x490 arch/x86/kernel/jump_label.c:73 Code: e8 c2 79 5f 00 48 c7 c7 60 4f e5 8b 48 8b 0c 24 48 89 ce 48 89 ca 4d 89 e8 4c 8b 4c 24 08 41 54 e8 e2 18 76 0a 48 83 c4 08 90 <0f> 0b e8 06 18 79 0a e8 91 79 5f 00 90 0f 0b e8 89 79 5f 00 90 0f RSP: 0018:ffffc900091cf7e0 EFLAGS: 00010292 RAX: 0000000000000097 RBX: 0000000000000085 RCX: c117167b6cb73500 RDX: ffffc90009c33000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900091cf908 R08: ffffffff8173ef2c R09: 1ffff92001239e9c R10: dffffc0000000000 R11: fffff52001239e9d R12: 0000000000000001 R13: ffffffff8be56d81 R14: ffffffff92ecb8c0 R15: ffffffff8be56d81 FS: 00007fefa66716c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c37a839 CR3: 000000005ec12000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_jump_label_transform_queue+0x68/0x100 arch/x86/kernel/jump_label.c:137 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:493 __static_key_slow_dec_cpuslocked+0x250/0x410 kernel/jump_label.c:293 __static_key_slow_dec kernel/jump_label.c:301 [inline] static_key_slow_dec+0x51/0xa0 kernel/jump_label.c:316 kvm_destroy_vm virt/kvm/kvm_main.c:1362 [inline] kvm_put_kvm+0xf3b/0x1300 virt/kvm/kvm_main.c:1386 kvm_vcpu_release+0x57/0x70 virt/kvm/kvm_main.c:4152 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 get_signal+0x15da/0x1730 kernel/signal.c:2689 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fefa59779f9 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:00007fefa6671048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 00007fefa5b06058 RCX: 00007fefa59779f9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007fefa59e58ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fefa5b06058 R15: 00007ffdc5a10918 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__jump_label_patch+0x463/0x490 arch/x86/kernel/jump_label.c:73 Code: e8 c2 79 5f 00 48 c7 c7 60 4f e5 8b 48 8b 0c 24 48 89 ce 48 89 ca 4d 89 e8 4c 8b 4c 24 08 41 54 e8 e2 18 76 0a 48 83 c4 08 90 <0f> 0b e8 06 18 79 0a e8 91 79 5f 00 90 0f 0b e8 89 79 5f 00 90 0f RSP: 0018:ffffc900091cf7e0 EFLAGS: 00010292 RAX: 0000000000000097 RBX: 0000000000000085 RCX: c117167b6cb73500 RDX: ffffc90009c33000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900091cf908 R08: ffffffff8173ef2c R09: 1ffff92001239e9c R10: dffffc0000000000 R11: fffff52001239e9d R12: 0000000000000001 R13: ffffffff8be56d81 R14: ffffffff92ecb8c0 R15: ffffffff8be56d81 FS: 00007fefa66716c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556cbd6cb950 CR3: 000000005ec12000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400