============================= [ BUG: Invalid wait context ] syzkaller #0 Not tainted ----------------------------- syz.4.35/6084 is trying to lock: ffffffff8e27a6b8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline] ffffffff8e27a6b8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline] ffffffff8e27a6b8 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333 other info that might help us debug this: context-{5:5} 5 locks held by syz.4.35/6084: #0: ffff88802dc11c98 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1679 [inline] #0: ffff88802dc11c98 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_connect+0x152/0xe20 net/vmw_vsock/af_vsock.c:1546 #1: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #1: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #1: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: __queue_work+0x102/0xfb0 kernel/workqueue.c:2261 #2: ffff8880b87397d8 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x809/0xfb0 kernel/workqueue.c:-1 #3: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #3: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #3: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline] #3: ffffffff8e13d320 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run1+0x181/0x4b0 kernel/trace/bpf_trace.c:2115 #4: ffff8880b8732780 (stream_local_lock){....}-{3:3}, at: local_trylock_acquire include/linux/local_lock_internal.h:48 [inline] #4: ffff8880b8732780 (stream_local_lock){....}-{3:3}, at: bpf_stream_page_local_lock kernel/bpf/stream.c:46 [inline] #4: ffff8880b8732780 (stream_local_lock){....}-{3:3}, at: bpf_stream_elem_alloc kernel/bpf/stream.c:175 [inline] #4: ffff8880b8732780 (stream_local_lock){....}-{3:3}, at: __bpf_stream_push_str+0x1db/0xc90 kernel/bpf/stream.c:190 stack backtrace: CPU: 1 UID: 0 PID: 6084 Comm: syz.4.35 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4830 [inline] check_wait_context kernel/locking/lockdep.c:4902 [inline] __lock_acquire+0xbcb/0xd20 kernel/locking/lockdep.c:5187 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162 add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x2c3/0x4a0 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+0x2365/0x2440 mm/page_alloc.c:3884 alloc_frozen_pages_nolock_noprof+0xac/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+0x329/0xc90 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_run1+0x27c/0x4b0 kernel/trace/bpf_trace.c:2115 __bpf_trace_workqueue_activate_work+0xae/0x100 include/trace/events/workqueue.h:59 __do_trace_workqueue_activate_work include/trace/events/workqueue.h:59 [inline] trace_workqueue_activate_work+0x170/0x1d0 include/trace/events/workqueue.h:59 __queue_work+0xcc2/0xfb0 kernel/workqueue.c:2340 queue_work_on+0x181/0x270 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:669 [inline] vsock_loopback_send_pkt+0xcc/0x100 net/vmw_vsock/vsock_loopback.c:35 virtio_transport_send_pkt_info+0x9b4/0xf00 net/vmw_vsock/virtio_transport_common.c:416 virtio_transport_connect+0xa7/0x100 net/vmw_vsock/virtio_transport_common.c:1072 vsock_connect+0xb88/0xe20 net/vmw_vsock/af_vsock.c:1611 __sys_connect_file net/socket.c:2102 [inline] __sys_connect+0x313/0x440 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: 0033:0x7f914c18eec9 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:00007f914cf9d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f914c3e5fa0 RCX: 00007f914c18eec9 RDX: 0000000000000010 RSI: 0000200000000100 RDI: 000000000000000c RBP: 00007f914c211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f914c3e6038 R14: 00007f914c3e5fa0 R15: 00007ffc4e052ae8