------------[ cut here ]------------ WARNING: CPU: 0 PID: 9 at arch/x86/mm/tlb.c:919 switch_mm_irqs_off+0x640/0x7c0 arch/x86/mm/tlb.c:918 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc4-next-20250430-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: events once_deferred RIP: 0010:switch_mm_irqs_off+0x640/0x7c0 arch/x86/mm/tlb.c:918 Code: 84 f4 fa ff ff 90 0f 0b 90 e9 eb fa ff ff 90 0f 0b 90 e9 84 fe ff ff 90 0f 0b 90 e9 18 fc ff ff 90 0f 0b 90 e9 cb fb ff ff 90 <0f> 0b 90 e9 df fb ff ff 89 c8 90 0f 0b 90 e9 3f fd ff ff 90 0f 0b RSP: 0000:ffffc900000e7720 EFLAGS: 00010056 RAX: 0000000000000001 RBX: ffff88801a070940 RCX: ffffffff8173b17d RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801a070940 RBP: ffffc900000e77f0 R08: ffff88801a070947 R09: 1ffff1100340e128 R10: dffffc0000000000 R11: ffffed100340e129 R12: 1ffff110038d90ab R13: ffffffff8e046a80 R14: ffff88801c6c8000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812609f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000001a078000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unuse_temporary_mm+0x9d/0x100 arch/x86/mm/tlb.c:1038 __text_poke+0x634/0x980 arch/x86/kernel/alternative.c:2214 text_poke arch/x86/kernel/alternative.c:2257 [inline] smp_text_poke_batch_finish+0x38c/0x1100 arch/x86/kernel/alternative.c:2565 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xc5/0x1b0 kernel/jump_label.c:240 static_key_disable+0x1a/0x20 kernel/jump_label.c:248 once_deferred+0x6f/0xb0 lib/once.c:20 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 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