------------[ cut here ]------------ WARNING: CPU: 1 PID: 5587 at kernel/kprobes.c:579 do_free_cleaned_kprobes kernel/kprobes.c:579 [inline] WARNING: CPU: 1 PID: 5587 at kernel/kprobes.c:579 kprobe_optimizer+0x422/0x7e0 kernel/kprobes.c:624 Modules linked in: CPU: 1 PID: 5587 Comm: kworker/1:1 Not tainted 5.10.90 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events kprobe_optimizer RIP: 0010:do_free_cleaned_kprobes kernel/kprobes.c:579 [inline] RIP: 0010:kprobe_optimizer+0x422/0x7e0 kernel/kprobes.c:624 Code: 85 47 03 00 00 48 bb 00 00 00 00 00 fc ff df 4d 8b 27 4d 8d 74 24 88 49 81 ff 80 36 e3 84 75 42 e9 57 01 00 00 e8 ae cf ff ff <0f> 0b e8 a7 cf ff ff 4d 8d 6e 78 4c 89 e8 48 c1 e8 03 80 3c 18 00 RSP: 0018:ffff888047dffce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff813fcb02 RDX: ffff888046068000 RSI: ffffffff813fca02 RDI: 0000000000000005 RBP: ffff8880179bc000 R08: 0000000000000001 R09: ffffffff86553627 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880179bc078 R14: ffffffff84e33608 R15: ffffffff84e33680 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555622b708 CR3: 000000003e106000 CR4: 0000000000350ee0 Call Trace: process_one_work+0x9a9/0x1590 kernel/workqueue.c:2270 worker_thread+0x61d/0x1310 kernel/workqueue.c:2416 kthread+0x38f/0x470 kernel/kthread.c:313 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 irq event stamp: 208539 hardirqs last enabled at (208549): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2559 hardirqs last disabled at (208558): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2474 softirqs last enabled at (208256): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (208247): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 36ce9fee5a416540 ]--- EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue