jump_label: Fatal kernel bug, unexpected op at preempt_notifier_register+0xd/0xf0 [ffffffff815967ed] (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 NOPTI CPU: 3 UID: 0 PID: 6307 Comm: syz.1.316 Not tainted 6.11.0-rc1-syzkaller-00293-gdefaf1a2113a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__jump_label_patch+0x378/0x400 arch/x86/kernel/jump_label.c:73 Code: 48 c7 c3 60 40 24 93 e8 c6 7c 59 00 45 89 e1 49 89 d8 4c 89 f1 41 55 4c 89 f2 4c 89 f6 48 c7 c7 20 38 46 8b e8 f9 ef 39 00 90 <0f> 0b e8 a1 7c 59 00 90 0f 0b e8 99 7c 59 00 90 0f 0b 48 c7 c7 30 RSP: 0018:ffffc90003c57c38 EFLAGS: 00010286 RAX: 0000000000000096 RBX: ffffffff8b466ea1 RCX: ffffffff816b0039 RDX: 0000000000000000 RSI: ffffffff816b9416 RDI: 0000000000000005 RBP: ffffc90003c57c80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000001 R14: ffffffff815967ed R15: 0000000000000085 FS: 0000555586b6c500(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f447a8356c0 CR3: 000000002aae0000 CR4: 0000000000352ef0 Call Trace: arch_jump_label_transform_queue+0x7e/0x120 arch/x86/kernel/jump_label.c:137 __jump_label_update+0x125/0x420 kernel/jump_label.c:493 jump_label_update+0x1d7/0x400 kernel/jump_label.c:900 __static_key_slow_dec_cpuslocked.part.0+0x4e/0x90 kernel/jump_label.c:293 __static_key_slow_dec_cpuslocked kernel/jump_label.c:288 [inline] __static_key_slow_dec kernel/jump_label.c:301 [inline] static_key_slow_dec+0x7c/0xc0 kernel/jump_label.c:316 kvm_destroy_vm virt/kvm/kvm_main.c:1362 [inline] kvm_put_kvm+0x8f8/0xb80 virt/kvm/kvm_main.c:1386 kvm_vm_release+0x42/0x60 virt/kvm/kvm_main.c:1409 __fput+0x408/0xbb0 fs/file_table.c:422 task_work_run+0x14e/0x250 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] 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+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc217d779f9 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:00007ffce178afb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fc217f07a80 RCX: 00007fc217d779f9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fc217f07a80 R08: 0000000000000006 R09: 00007ffce178b29f R10: 00000000005ca410 R11: 0000000000000246 R12: 000000000001956a R13: 00007ffce178b0b0 R14: 00007ffce178b0d0 R15: ffffffffffffffff Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__jump_label_patch+0x378/0x400 arch/x86/kernel/jump_label.c:73 Code: 48 c7 c3 60 40 24 93 e8 c6 7c 59 00 45 89 e1 49 89 d8 4c 89 f1 41 55 4c 89 f2 4c 89 f6 48 c7 c7 20 38 46 8b e8 f9 ef 39 00 90 <0f> 0b e8 a1 7c 59 00 90 0f 0b e8 99 7c 59 00 90 0f 0b 48 c7 c7 30 RSP: 0018:ffffc90003c57c38 EFLAGS: 00010286 RAX: 0000000000000096 RBX: ffffffff8b466ea1 RCX: ffffffff816b0039 RDX: 0000000000000000 RSI: ffffffff816b9416 RDI: 0000000000000005 RBP: ffffc90003c57c80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000001 R14: ffffffff815967ed R15: 0000000000000085 FS: 0000555586b6c500(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f447a8356c0 CR3: 000000002aae0000 CR4: 0000000000352ef0