watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/0:4:844] Modules linked in: CPU: 0 PID: 844 Comm: kworker/0:4 Tainted: G W 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events bpf_prog_free_deferred RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:190 Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 64 23 96 05 48 89 de e8 d4 5f 41 00 5b 5d c3 cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 40 47 92 7e 65 8b 15 41 47 92 RSP: 0018:ffffc900009a7878 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff1103ee276cd RCX: ffff88810bba13c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900009a7988 R08: ffffffff8165816a R09: ffffc900009a77c0 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: 00007f5dd8fa701d CR3: 00000001063ba000 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