watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [kworker/0:0:6] Modules linked in: CPU: 0 PID: 6 Comm: kworker/0:0 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events bpf_prog_free_deferred RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x856/0x9b0 kernel/smp.c:969 Code: e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 71 a4 0a 00 eb 38 f3 90 42 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e 55 a4 0a 00 eb e4 44 89 e9 80 e1 07 80 c1 03 38 c1 7c e2 4c 89 RSP: 0018:ffffc90000067880 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff1103ee276cd RCX: ffff888100254f00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000067988 R08: ffffffff81657cfa R09: ffffc900000677c0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff8881f713b668 R14: ffff8881f7038280 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200009d0 CR3: 000000011e036000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135 on_each_cpu include/linux/smp.h:71 [inline] flush_tlb_kernel_range+0x49/0x210 arch/x86/mm/tlb.c:1026 __purge_vmap_area_lazy+0x230/0x1690 mm/vmalloc.c:1694 _vm_unmap_aliases+0x339/0x3b0 mm/vmalloc.c:2118 vm_remove_mappings mm/vmalloc.c:2611 [inline] __vunmap+0x617/0x8f0 mm/vmalloc.c:2642 __vfree mm/vmalloc.c:2700 [inline] vfree+0x7f/0xb0 mm/vmalloc.c:2731 module_memfree+0x17/0x30 kernel/module.c:2150 bpf_jit_free_exec+0x15/0x20 kernel/bpf/core.c:867 bpf_jit_binary_free kernel/bpf/core.c:914 [inline] bpf_jit_free+0x98/0x240 kernel/bpf/core.c:927 bpf_prog_free_deferred+0x61e/0x730 kernel/bpf/core.c:2296 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298