RBP: 00007ffcba724d28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00007f5ea0c9808c
R13: 00007f5ea0c98080 R14: fffffffffffffffe R15: 0000000000000003
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.1.1668:6381]
Modules linked in:
CPU: 1 PID: 6381 Comm: syz.1.1668 Tainted: G        W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 ea ec 0a 00 41 83 e5 01 75 0a e8 2f e9 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: 0000:ffffc900013af4c0 EFLAGS: 00000293
RAX: ffffffff815fd654 RBX: 1ffff92000275ea1 RCX: ffff888125740000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900013af5b0 R08: ffffffff815fd626 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc900013af508 R15: 0000000000000000
FS:  00005555891af500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000002a1000 CR3: 000000010f74c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 on_each_cpu_cond_mask+0xc1/0x200 kernel/smp.c:904
 native_flush_tlb_others+0x15c/0x230 arch/x86/mm/tlb.c:822
 __flush_tlb_others arch/x86/include/asm/paravirt.h:74 [inline]
 flush_tlb_others arch/x86/mm/tlb.c:829 [inline]
 flush_tlb_mm_range+0x221/0x2c0 arch/x86/mm/tlb.c:916
 flush_tlb_page arch/x86/include/asm/tlbflush.h:235 [inline]
 ptep_clear_flush+0x115/0x150 mm/pgtable-generic.c:97
 wp_page_copy+0xd1e/0x1940 mm/memory.c:3228
 do_wp_page+0x71b/0xca0
 handle_pte_fault+0x165d/0x3e10 mm/memory.c:4817
 ___handle_speculative_fault mm/memory.c:5219 [inline]
 __handle_speculative_fault+0x1370/0x1e90 mm/memory.c:5268
 handle_speculative_fault include/linux/mm.h:1838 [inline]
 do_user_addr_fault arch/x86/mm/fault.c:1285 [inline]
 handle_page_fault arch/x86/mm/fault.c:1428 [inline]
 exc_page_fault+0x234/0x5b0 arch/x86/mm/fault.c:1484
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7f5ea0945ca1
Code: 48 8b 54 24 08 48 85 d2 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fa 01 0f 85 b3 01 00 00 48 8b 44 24 10 8b 54 24 18 <89> 10 e9 15 fd ff ff 48 8b 44 24 10 8b 10 48 8b 44 24 08 48 85 c0
RSP: 002b:00007ffcba724c20 EFLAGS: 00010246
RAX: 00004000002a1000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 00005555891af3c8
RBP: 00007ffcba724d28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00007f5ea0c9808c
R13: 00007f5ea0c98080 R14: fffffffffffffffe R15: 0000000000000003
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6386 Comm: syz.1.1668 Tainted: G        W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 a5 53 d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc900012bf040 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000257e0c RCX: ffffffff8150ca64
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc900012bf080
RBP: ffffc900012bf0f0 R08: dffffc0000000000 R09: ffffed1021c26325
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810e131920 R14: 0000000000000003 R15: 0000000000000046
FS:  00007f5e9f0a76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e9f0a6f98 CR3: 000000010f74c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 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:465
 bpf_prog_8c8ab8634bca3061+0x3a/0x5a0
 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+0x1be/0xd30 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:4428 [inline]
 __se_sys_bpf+0x7687/0x11cb0 kernel/bpf/syscall.c:4396
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4396
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5ea0a7f169
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:00007f5e9f0a7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f5ea0c98160 RCX: 00007f5ea0a7f169
RDX: 0000000000000020 RSI: 0000400000000080 RDI: 0000000000000002
RBP: 00007f5ea0b002a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5ea0c98160 R15: 00007ffcba724af8