syzbot

BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6072, name: syz.0.17
preempt_count: 1, expected: 0
RCU nest depth: 2, expected: 2
5 locks held by syz.0.17/6072:
 #0: ffff888035990350 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1679 [inline]
 #0: ffff888035990350 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_connect+0x152/0xe20 net/vmw_vsock/af_vsock.c:1546
 #1: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #1: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #1: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline]
 #1: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run9+0x1ec/0x500 kernel/trace/bpf_trace.c:2123
 #2: ffff8880b8932c88 ((stream_local_lock)){+.+.}-{3:3}, at: bpf_stream_page_local_lock kernel/bpf/stream.c:46 [inline]
 #2: ffff8880b8932c88 ((stream_local_lock)){+.+.}-{3:3}, at: bpf_stream_elem_alloc kernel/bpf/stream.c:175 [inline]
 #2: ffff8880b8932c88 ((stream_local_lock)){+.+.}-{3:3}, at: __bpf_stream_push_str+0x211/0xbe0 kernel/bpf/stream.c:190
 #3: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #3: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #3: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: __rt_spin_trylock kernel/locking/spinlock_rt.c:110 [inline]
 #3: ffffffff8d7aa500 (rcu_read_lock){....}-{1:3}, at: rt_spin_trylock+0x10d/0x2b0 kernel/locking/spinlock_rt.c:118
 #4: ffff8880b893f6e8 (&s->lock_key#5){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #4: ffff8880b893f6e8 (&s->lock_key#5){+.+.}-{3:3}, at: ___slab_alloc+0x12f/0x1470 mm/slub.c:4492
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 UID: 0 PID: 6072 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __might_resched+0x44b/0x5d0 kernel/sched/core.c:8925
 __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/0x1470 mm/slub.c:4492
 __slab_alloc+0xc6/0x1f0 mm/slub.c:4746
 __slab_alloc_node mm/slub.c:4822 [inline]
 slab_alloc_node mm/slub.c:5233 [inline]
 __kmalloc_cache_noprof+0xec/0x6c0 mm/slub.c:5719
 kmalloc_noprof include/linux/slab.h:957 [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+0x25c/0x490 mm/page_owner.c:333
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850
 prep_new_page mm/page_alloc.c:1858 [inline]
 get_page_from_freelist+0x28c0/0x2960 mm/page_alloc.c:3884
 alloc_frozen_pages_nolock_noprof+0xbc/0x150 mm/page_alloc.c:7595
 alloc_pages_nolock_noprof+0xa/0x30 mm/page_alloc.c:7628
 bpf_stream_page_replace+0x19/0x1e0 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+0x35c/0xbe0 kernel/bpf/stream.c:190
 bpf_stream_stage_printk+0x14e/0x1c0 kernel/bpf/stream.c:448
 bpf_prog_report_may_goto_violation+0xc4/0x190 kernel/bpf/core.c:3181
 bpf_check_timed_may_goto+0xaa/0xb0 kernel/bpf/core.c:3199
 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:1350 [inline]
 __bpf_prog_run include/linux/filter.h:721 [inline]
 bpf_prog_run include/linux/filter.h:728 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
 bpf_trace_run9+0x2db/0x500 kernel/trace/bpf_trace.c:2123
 __bpf_trace_virtio_transport_alloc_pkt+0x2d7/0x340 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+0x10cc/0x1130 net/vmw_vsock/virtio_transport_common.c:311
 virtio_transport_send_pkt_info+0x6be/0x1100 net/vmw_vsock/virtio_transport_common.c:390
 virtio_transport_connect+0xa7/0x100 net/vmw_vsock/virtio_transport_common.c:1072
 vsock_connect+0xb8b/0xe20 net/vmw_vsock/af_vsock.c:1611
 __sys_connect_file net/socket.c:2102 [inline]
 __sys_connect+0x323/0x450 net/socket.c:2121
 __do_sys_connect net/socket.c:2127 [inline]
 __se_sys_connect net/socket.c:2124 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2124
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb4ddceec9
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:00007ffc6e9f1cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007feb4e025fa0 RCX: 00007feb4ddceec9
RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000005
RBP: 00007feb4de51f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007feb4e025fa0 R14: 00007feb4e025fa0 R15: 0000000000000003
 </TASK>