watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [kworker/1:1:25] Modules linked in: CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 5.10.226-syzkaller-1003449-g6a01908517df #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events bpf_prog_free_deferred RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline] RIP: 0010:smp_call_function_single+0x289/0x510 kernel/smp.c:517 Code: 31 ff e8 fa ed 0a 00 41 83 e5 01 75 0a e8 3f ea 0a 00 e9 eb 00 00 00 f3 90 42 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 <0f> 84 cd 00 00 00 e8 1c ea 0a 00 eb e0 44 89 f1 80 e1 07 80 c1 03 RSP: 0018:ffffc900001af780 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff92000035ef9 RCX: ffff8881002f62c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900001af870 R08: ffffffff815fc2a6 R09: ffffed103ee0aec9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc900001af7c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001490000 CR3: 000000010d6b2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653 smp_call_function_many kernel/smp.c:716 [inline] smp_call_function kernel/smp.c:738 [inline] on_each_cpu+0xa8/0x1a0 kernel/smp.c:837 flush_tlb_kernel_range+0x40/0x1c0 arch/x86/mm/tlb.c:950 __purge_vmap_area_lazy+0x102/0x1620 mm/vmalloc.c:1355 _vm_unmap_aliases+0x334/0x3b0 mm/vmalloc.c:1773 vm_remove_mappings mm/vmalloc.c:2261 [inline] __vunmap+0x617/0x8f0 mm/vmalloc.c:2292 __vfree mm/vmalloc.c:2349 [inline] vfree+0x5c/0x80 mm/vmalloc.c:2380 module_memfree+0x17/0x30 kernel/module.c:2205 bpf_jit_free_exec+0x15/0x20 kernel/bpf/core.c:866 bpf_jit_binary_free+0x4e/0x2b0 kernel/bpf/core.c:915 bpf_jit_free+0x7c/0x1e0 kernel/bpf/core.c:928 bpf_prog_free_deferred+0x4ba/0x550 kernel/bpf/core.c:2212 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447 kthread+0x34b/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1052 Comm: syz-executor.0 Not tainted 5.10.226-syzkaller-1003449-g6a01908517df #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:66 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline] RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921 Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 55 53 d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 46 53 d5 03 fb f4 4c 89 7c 24 18 ff RSP: 0018:ffffc90000bb6fa0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000176df8 RCX: ffffffff8150b854 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000bb6fe0 RBP: ffffc90000bb7050 R08: dffffc0000000000 R09: ffffed10223b6ea5 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888111db7520 R14: 0000000000000003 R15: 0000000000000046 FS: 00007fcb326906c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb32c390c0 CR3: 0000000120c51000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:195 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159 trie_delete_elem+0x94/0x760 kernel/bpf/lpm_trie.c:448 bpf_prog_fdee3c9a1e8a2a6e+0x3d/0x26c bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline] bpf_trace_run4+0x13e/0x2e0 kernel/trace/bpf_trace.c:2100 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:193 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline] __alloc_pages_nodemask+0xa8e/0xaf0 mm/page_alloc.c:5376 allocate_slab mm/slub.c:1808 [inline] new_slab+0x80/0x400 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x302/0x4b0 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] __kmalloc+0x204/0x330 mm/slub.c:4029 __kmalloc_node include/linux/slab.h:418 [inline] kmalloc_node include/linux/slab.h:575 [inline] lpm_trie_node_alloc kernel/bpf/lpm_trie.c:288 [inline] trie_update_elem+0x1b5/0xb30 kernel/bpf/lpm_trie.c:330 bpf_map_update_value+0x230/0x420 kernel/bpf/syscall.c:219 map_update_elem kernel/bpf/syscall.c:1136 [inline] __do_sys_bpf kernel/bpf/syscall.c:4423 [inline] __se_sys_bpf+0x7687/0x11cb0 kernel/bpf/syscall.c:4391 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fcb32b0eda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcb326900c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fcb32c3cf80 RCX: 00007fcb32b0eda9 RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000002 RBP: 00007fcb32b5b47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fcb32c3cf80 R15: 00007ffc523531a8