watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:9184] Modules linked in: CPU: 0 PID: 9184 Comm: syz-executor.3 Tainted: G W 5.4.268-syzkaller-00012-g51cf29fc2bfc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__read_once_size include/linux/compiler.h:268 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:109 [inline] RIP: 0010:smp_call_function_single+0x235/0x4a0 kernel/smp.c:311 Code: 0f 85 df 01 00 00 44 8b 74 24 58 44 89 f6 83 e6 01 31 ff e8 6d b0 0a 00 41 83 e6 01 75 0a e8 72 ad 0a 00 e9 f4 00 00 00 f3 90 <42> 0f b6 04 2b 84 c0 75 15 f7 44 24 58 01 00 00 00 0f 84 d6 00 00 RSP: 0018:ffff8881e7a5fa60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffffffff815999d1 RBX: 1ffff1103cf4bf57 RCX: ffff8881e8548000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8881e7a5fb50 R08: ffffffff815999a3 R09: ffffed103edeb189 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103cf4bf50 R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555555ca480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3332d000 CR3: 00000001e1719000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: task_function_call kernel/events/core.c:114 [inline] event_function_call+0x3ae/0x5b0 kernel/events/core.c:282 perf_remove_from_context kernel/events/core.c:2221 [inline] perf_event_release_kernel+0x41d/0xd60 kernel/events/core.c:4731 perf_release+0x37/0x40 kernel/events/core.c:4827 __fput+0x262/0x680 fs/file_table.c:281 task_work_run+0x140/0x170 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x190/0x1a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9200 Comm: syz-executor.4 Tainted: G W 5.4.268-syzkaller-00012-g51cf29fc2bfc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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+0xea/0x150 arch/x86/kernel/kvm.c:847 Code: 42 0f b6 04 20 84 c0 75 6b 41 0f b6 45 00 3a 44 24 14 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c7 53 77 03 f4 0e 0f 1f 44 00 00 0f 00 2d b8 53 77 03 fb f4 4c 89 7c 24 18 ff RSP: 0018:ffff8881e54d7240 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff1103ca9ae4c RCX: ffffffff814c1654 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881e4504520 RBP: ffff8881e54d72f0 R08: dffffc0000000000 R09: ffffed103c8a08a5 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881e4504520 R14: ffff8881e54d7280 R15: 0000000000000046 FS: 00007fb3bb8676c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3bb824d00 CR3: 00000001e2c26000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:652 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:507 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:642 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline] queued_spin_lock include/asm-generic/qspinlock.h:81 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:193 [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+0x93/0x720 kernel/bpf/lpm_trie.c:448 bpf_prog_1db1603a7cfa36fb+0x4e5/0x1000 bpf_call_func include/linux/filter.h:623 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1341 [inline] bpf_trace_run4+0x149/0x310 kernel/trace/bpf_trace.c:1381 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:193 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline] __alloc_pages_nodemask+0x7a5/0x840 mm/page_alloc.c:4920 __alloc_pages include/linux/gfp.h:503 [inline] __alloc_pages_node include/linux/gfp.h:516 [inline] alloc_pages_node include/linux/gfp.h:530 [inline] kmalloc_order mm/slab_common.c:1342 [inline] kmalloc_order_trace+0x2a/0x100 mm/slab_common.c:1358 __kmalloc_node include/linux/slab.h:422 [inline] kmalloc_node include/linux/slab.h:599 [inline] lpm_trie_node_alloc kernel/bpf/lpm_trie.c:288 [inline] trie_update_elem+0x1bf/0xba0 kernel/bpf/lpm_trie.c:330 map_update_elem kernel/bpf/syscall.c:970 [inline] __do_sys_bpf kernel/bpf/syscall.c:2879 [inline] __se_sys_bpf+0x9296/0xbcb0 kernel/bpf/syscall.c:2849 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1