BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14717, name: syz.2.2026 preempt_count: 2, expected: 0 RCU nest depth: 1, expected: 1 3 locks held by syz.2.2026/14717: #0: ffff8880363198d8 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1700 [inline] #0: ffff8880363198d8 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_connect+0x152/0xd40 net/vmw_vsock/af_vsock.c:1546 #1: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #1: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #1: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline] #1: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run9+0x1ec/0x510 kernel/trace/bpf_trace.c:2123 #2: ffff8880b893fe88 (&s->lock_key#14){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline] #2: ffff8880b893fe88 (&s->lock_key#14){+.+.}-{3:3}, at: ___slab_alloc+0x12f/0x13e0 mm/slub.c:4521 Preemption disabled at: [] class_preempt_constructor include/linux/preempt.h:468 [inline] [] __migrate_enable include/linux/sched.h:2378 [inline] [] migrate_enable include/linux/sched.h:2429 [inline] [] __slab_alloc+0xea/0x1f0 mm/slub.c:4782 CPU: 1 UID: 0 PID: 14717 Comm: syz.2.2026 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 __might_resched+0x32a/0x480 kernel/sched/core.c:8827 __rt_spin_lock kernel/locking/spinlock_rt.c:48 [inline] rt_spin_lock+0xc7/0x3e0 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:44 [inline] ___slab_alloc+0x12f/0x13e0 mm/slub.c:4521 __slab_alloc+0xc6/0x1f0 mm/slub.c:4779 __slab_alloc_node mm/slub.c:4855 [inline] kmalloc_nolock_noprof+0x1be/0x440 mm/slub.c:5734 bpf_stream_elem_alloc kernel/bpf/stream.c:33 [inline] __bpf_stream_push_str+0xa8/0x2b0 kernel/bpf/stream.c:50 bpf_stream_stage_printk+0x14e/0x1c0 kernel/bpf/stream.c:306 bpf_prog_report_may_goto_violation+0xc4/0x190 kernel/bpf/core.c:3219 bpf_check_timed_may_goto+0xaa/0xb0 kernel/bpf/core.c:3237 arch_bpf_timed_may_goto+0x21/0x40 arch/x86/net/bpf_timed_may_goto.S:40 bpf_prog_6fd842a53d323cc5+0x53/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1378 [inline] __bpf_prog_run include/linux/filter.h:723 [inline] bpf_prog_run include/linux/filter.h:730 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline] bpf_trace_run9+0x2de/0x510 kernel/trace/bpf_trace.c:2123 __bpf_trace_virtio_transport_alloc_pkt+0x2d7/0x340 include/trace/events/vsock_virtio_transport_common.h:39 __traceiter_virtio_transport_alloc_pkt+0xc1/0x120 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+0x10af/0x1110 net/vmw_vsock/virtio_transport_common.c:311 virtio_transport_send_pkt_info+0x694/0x10b0 net/vmw_vsock/virtio_transport_common.c:390 virtio_transport_connect+0xa7/0x100 net/vmw_vsock/virtio_transport_common.c:1072 vsock_connect+0xaca/0xd40 net/vmw_vsock/af_vsock.c:1611 __sys_connect_file net/socket.c:2089 [inline] __sys_connect+0x323/0x450 net/socket.c:2108 __do_sys_connect net/socket.c:2114 [inline] __se_sys_connect net/socket.c:2111 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2111 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe49452f749 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:00007fe492796038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007fe494785fa0 RCX: 00007fe49452f749 RDX: 0000000000000010 RSI: 0000200000000500 RDI: 000000000000000c RBP: 00007fe4945b3f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe494786038 R14: 00007fe494785fa0 R15: 00007ffc70e38b18