BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4855, name: syz.1.17 preempt_count: 2, expected: 0 RCU nest depth: 2, expected: 2 5 locks held by syz.1.17/4855: #0: ffff888111535f90 (sk_lock-AF_VSOCK){....}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff888111535f90 (sk_lock-AF_VSOCK){....}-{0:0}, at: vsock_connect+0x72/0x400 net/vmw_vsock/af_vsock.c:1499 #1: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #1: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #1: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline] #1: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run9+0xd8/0x1d0 kernel/trace/bpf_trace.c:2306 #2: ffff88813ba267e8 ((stream_local_lock)){....}-{2:2}, at: bpf_stream_page_local_lock kernel/bpf/stream.c:46 [inline] #2: ffff88813ba267e8 ((stream_local_lock)){....}-{2:2}, at: bpf_stream_elem_alloc kernel/bpf/stream.c:175 [inline] #2: ffff88813ba267e8 ((stream_local_lock)){....}-{2:2}, at: __bpf_stream_push_str+0x56/0x1b0 kernel/bpf/stream.c:190 #3: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #3: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #3: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: __rt_spin_trylock kernel/locking/spinlock_rt.c:110 [inline] #3: ffffffff84fafd40 (rcu_read_lock){....}-{1:2}, at: rt_spin_trylock+0x9e/0xe0 kernel/locking/spinlock_rt.c:118 #4: ffff88813ba322a8 ((&c->lock)){....}-{2:2}, at: spin_lock include/linux/spinlock_rt.h:44 [inline] #4: ffff88813ba322a8 ((&c->lock)){....}-{2:2}, at: ___slab_alloc+0x163/0xc60 mm/slub.c:3736 Preemption disabled at: [] class_preempt_constructor include/linux/preempt.h:481 [inline] [] migrate_enable+0x62/0x130 kernel/sched/core.c:2427 CPU: 0 UID: 0 PID: 4855 Comm: syz.1.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0xa2/0xf0 lib/dump_stack.c:120 __might_resched+0x1bc/0x1e0 kernel/sched/core.c:8800 __rt_spin_lock kernel/locking/spinlock_rt.c:48 [inline] rt_spin_lock+0x60/0x120 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:44 [inline] ___slab_alloc+0x163/0xc60 mm/slub.c:3736 __slab_alloc mm/slub.c:3949 [inline] __slab_alloc_node mm/slub.c:4024 [inline] slab_alloc_node mm/slub.c:4185 [inline] __kmalloc_cache_noprof+0xd8/0x330 mm/slub.c:4354 kmalloc_noprof include/linux/slab.h:905 [inline] add_stack_record_to_list mm/page_owner.c:172 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0xce/0x150 mm/page_owner.c:333 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook mm/page_alloc.c:1704 [inline] prep_new_page+0xee/0x130 mm/page_alloc.c:1712 get_page_from_freelist+0x12e7/0x1340 mm/page_alloc.c:3669 alloc_pages_nolock_noprof+0xbc/0x220 mm/page_alloc.c:7390 bpf_stream_page_replace+0x11/0xa0 kernel/bpf/stream.c:86 bpf_stream_page_reserve_elem kernel/bpf/stream.c:142 [inline] bpf_stream_elem_alloc kernel/bpf/stream.c:177 [inline] __bpf_stream_push_str+0x70/0x1b0 kernel/bpf/stream.c:190 bpf_stream_stage_printk+0xca/0x100 kernel/bpf/stream.c:448 bpf_prog_report_may_goto_violation+0x63/0xf0 kernel/bpf/core.c:3180 bpf_check_timed_may_goto+0x46/0x50 kernel/bpf/core.c:3198 arch_bpf_timed_may_goto+0x21/0x40 arch/x86/net/bpf_timed_may_goto.S:40 bpf_prog_9ed3c998cca67c20+0x53/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2258 [inline] bpf_trace_run9+0x11f/0x1d0 kernel/trace/bpf_trace.c:2306 __bpf_trace_virtio_transport_alloc_pkt+0x31/0x40 include/trace/events/vsock_virtio_transport_common.h:39 __do_trace_virtio_transport_alloc_pkt include/trace/events/vsock_virtio_transport_common.h:39 [inline] trace_virtio_transport_alloc_pkt include/trace/events/vsock_virtio_transport_common.h:39 [inline] virtio_transport_alloc_skb+0x255/0x2b0 net/vmw_vsock/virtio_transport_common.c:308 virtio_transport_send_pkt_info+0x1ac/0x410 net/vmw_vsock/virtio_transport_common.c:387 virtio_transport_connect+0x4c/0x70 net/vmw_vsock/virtio_transport_common.c:1069 vsock_connect+0x3b7/0x400 net/vmw_vsock/af_vsock.c:1564 __sys_connect_file net/socket.c:2038 [inline] __sys_connect+0x171/0x200 net/socket.c:2057 __do_sys_connect net/socket.c:2063 [inline] __se_sys_connect net/socket.c:2060 [inline] __x64_sys_connect+0x15/0x20 net/socket.c:2060 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5152eeec9 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:00007fc51495e038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007fc515545fa0 RCX: 00007fc5152eeec9 RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000005 RBP: 00007fc515371f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc515546038 R14: 00007fc515545fa0 R15: 00007ffe08b3f018