syzbot

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WARNING: CPU: 0 PID: 9 at arch/x86/mm/tlb.c:919 switch_mm_irqs_off+0x686/0x810 arch/x86/mm/tlb.c:918
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc2-next-20250417-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events once_deferred
RIP: 0010:switch_mm_irqs_off+0x686/0x810 arch/x86/mm/tlb.c:918
Code: 90 41 f7 c5 00 08 00 00 0f 84 ee fa ff ff 90 0f 0b 90 e9 e5 fa ff ff 90 0f 0b 90 e9 76 fe ff ff 90 0f 0b 90 e9 cc fb ff ff 90 <0f> 0b 90 4d 39 f4 0f 85 eb fb ff ff e9 31 fc ff ff 90 0f 0b 90 e9
RSP: 0000:ffffc900000e7680 EFLAGS: 00010056
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816f9cdd
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801b070940
RBP: ffffc900000e7750 R08: ffff88801b070947 R09: 1ffff1100360e128
R10: dffffc0000000000 R11: ffffed100360e129 R12: ffffffff8ee49240
R13: ffff88801b070940 R14: ffffffff8ee49240 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124fa0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000001b078000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unuse_temporary_mm+0x9f/0x100 arch/x86/mm/tlb.c:1038
 __text_poke+0x7b6/0xb40 arch/x86/kernel/alternative.c:2214
 text_poke arch/x86/kernel/alternative.c:2257 [inline]
 smp_text_poke_batch_finish+0x3e7/0x12c0 arch/x86/kernel/alternative.c:2565
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 once_deferred+0x70/0xb0 lib/once.c:20
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>