jump_label: Fatal kernel bug, unexpected op at tcp_inbound_hash+0x1c7/0x1150 [ffffffff8977efd7] (eb 52 31 ed e8 != 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: 5372 Comm: kworker/3:4 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 Workqueue: events jump_label_update_timeout 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:ffffc900035a7b88 EFLAGS: 00010282 RAX: 0000000000000091 RBX: ffffffff8b466ea1 RCX: ffffffff816b0039 RDX: 0000000000000000 RSI: ffffffff816b9416 RDI: 0000000000000005 RBP: ffffc900035a7bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000001 R14: ffffffff8977efd7 R15: 0000000000000085 FS: 0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b313ebff8 CR3: 0000000020714000 CR4: 0000000000350ef0 DR0: fffffffffffffffc DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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] jump_label_update_timeout+0x41/0x50 kernel/jump_label.c:309 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf20 kernel/workqueue.c:3390 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 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:ffffc900035a7b88 EFLAGS: 00010282 RAX: 0000000000000091 RBX: ffffffff8b466ea1 RCX: ffffffff816b0039 RDX: 0000000000000000 RSI: ffffffff816b9416 RDI: 0000000000000005 RBP: ffffc900035a7bd0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000001 R14: ffffffff8977efd7 R15: 0000000000000085 FS: 0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eef0ff8 CR3: 00000000378b6000 CR4: 0000000000350ef0 DR0: fffffffffffffffc DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400