watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.1.5443:20183] Modules linked in: CPU: 0 PID: 20183 Comm: syz.1.5443 Tainted: G W 5.10.218-syzkaller-00638-g3feee789f446 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline] RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517 Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 7a f0 0a 00 41 83 e5 01 75 0a e8 bf ec 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 RSP: 0018:ffffc90000bb6f60 EFLAGS: 00000246 RAX: ffffffff815fbde4 RBX: 1ffff92000176df5 RCX: 0000000000040000 RDX: ffffc9000177e000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000bb7050 R08: ffffffff815fbdb6 R09: ffffed103ee2aec9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc90000bb6fa8 R15: 0000000000000000 FS: 00007efed325f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97b8726d58 CR3: 0000000114a8a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_all+0x17/0x20 arch/x86/mm/tlb.c:932 cpa_flush arch/x86/mm/pat/set_memory.c:365 [inline] change_page_attr_set_clr+0x89c/0x1050 arch/x86/mm/pat/set_memory.c:1774 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline] set_memory_ro+0xa1/0xe0 arch/x86/mm/pat/set_memory.c:1935 bpf_jit_binary_lock_ro include/linux/filter.h:842 [inline] bpf_int_jit_compile+0x9829/0x9dc0 arch/x86/net/bpf_jit_comp.c:2130 bpf_prog_select_runtime+0x735/0x9c0 kernel/bpf/core.c:1872 bpf_prog_load kernel/bpf/syscall.c:2243 [inline] __do_sys_bpf kernel/bpf/syscall.c:4435 [inline] __se_sys_bpf+0x1080e/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: 0033:0x7efed3ffebd9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efed325f048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007efed418d038 RCX: 00007efed3ffebd9 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00007efed406daa1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007efed418d038 R15: 00007fff7c7c1848 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 20207 Comm: syz.3.5455 Tainted: G W 5.10.218-syzkaller-00638-g3feee789f446 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 95 52 d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 86 52 d5 03 fb f4 4c 89 7c 24 18 ff RSP: 0018:ffffc9000125f040 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff9200024be0c RCX: ffffffff8150b5a4 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000125f080 RBP: ffffc9000125f0f0 R08: dffffc0000000000 R09: ffffed1020db6aa5 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888106db5520 R14: 0000000000000003 R15: 0000000000000046 FS: 00007f97b87266c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000124c03000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_2c29ac5cdc6b1842+0x3a/0xac4 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 __alloc_pages include/linux/gfp.h:544 [inline] __alloc_pages_node include/linux/gfp.h:557 [inline] alloc_pages_node include/linux/gfp.h:571 [inline] alloc_pages include/linux/gfp.h:590 [inline] kmalloc_order+0x4c/0x170 mm/slab_common.c:843 kmalloc_order_trace+0x18/0x90 mm/slab_common.c:859 kmalloc_large include/linux/slab.h:481 [inline] __kmalloc+0x1f1/0x330 mm/slub.c:4022 __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: 0033:0x7f97b94c5bd9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f97b8726048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f97b9654038 RCX: 00007f97b94c5bd9 RDX: 0000000000000020 RSI: 0000000020000180 RDI: 0000000000000002 RBP: 00007f97b9534aa1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f97b9654038 R15: 00007ffebac5e358