===================================================== BUG: KMSAN: uninit-value in __sk_rx_queue_set include/net/sock.h:1924 [inline] BUG: KMSAN: uninit-value in sk_rx_queue_update include/net/sock.h:1938 [inline] BUG: KMSAN: uninit-value in sk_mark_napi_id include/net/busy_poll.h:136 [inline] BUG: KMSAN: uninit-value in tcp_child_process+0xbaa/0x1030 net/ipv4/tcp_minisocks.c:833 __sk_rx_queue_set include/net/sock.h:1924 [inline] sk_rx_queue_update include/net/sock.h:1938 [inline] sk_mark_napi_id include/net/busy_poll.h:136 [inline] tcp_child_process+0xbaa/0x1030 net/ipv4/tcp_minisocks.c:833 tcp_v4_rcv+0x3d24/0x4e70 net/ipv4/tcp_ipv4.c:2066 ip_protocol_deliver_rcu+0x752/0x10a0 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ip_local_deliver+0x584/0x8c0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:460 [inline] ip_sublist_rcv_finish net/ipv4/ip_input.c:551 [inline] ip_list_rcv_finish net/ipv4/ip_input.c:601 [inline] ip_sublist_rcv+0x11a7/0x14d0 net/ipv4/ip_input.c:609 ip_list_rcv+0x930/0x970 net/ipv4/ip_input.c:644 __netif_receive_skb_list_ptype net/core/dev.c:5508 [inline] __netif_receive_skb_list_core+0xdf9/0x11f0 net/core/dev.c:5556 __netif_receive_skb_list+0x7e3/0x940 net/core/dev.c:5608 netif_receive_skb_list_internal+0x848/0xdc0 net/core/dev.c:5699 gro_normal_list net/core/dev.c:5853 [inline] napi_complete_done+0x579/0xdc0 net/core/dev.c:6590 virtqueue_napi_complete drivers/net/virtio_net.c:339 [inline] virtnet_poll+0x17a4/0x2340 drivers/net/virtio_net.c:1557 __napi_poll+0x14c/0xc00 net/core/dev.c:7023 napi_poll net/core/dev.c:7090 [inline] net_rx_action+0x7e2/0x1820 net/core/dev.c:7177 __do_softirq+0x1ee/0x7c5 kernel/softirq.c:558 invoke_softirq+0xa4/0x130 kernel/softirq.c:432 __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0x76/0x130 kernel/softirq.c:649 common_interrupt+0xb6/0xd0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x1e/0x40 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:553 [inline] acpi_idle_enter+0x747/0x820 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x9a8/0x1840 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0xf4/0x180 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x68d/0x840 kernel/sched/idle.c:306 cpu_startup_entry+0x3c/0x40 kernel/sched/idle.c:403 start_secondary+0x112/0x120 arch/x86/kernel/smpboot.c:272 secondary_startup_64_no_verify+0xb1/0xbb Uninit was created at: __alloc_pages+0xbbf/0x1090 mm/page_alloc.c:5409 alloc_pages+0x8a5/0xb80 alloc_slab_page mm/slub.c:1810 [inline] allocate_slab+0x287/0x1c10 mm/slub.c:1947 new_slab mm/slub.c:2010 [inline] ___slab_alloc+0xb85/0x1e30 mm/slub.c:3039 __slab_alloc mm/slub.c:3126 [inline] slab_alloc_node mm/slub.c:3217 [inline] slab_alloc mm/slub.c:3259 [inline] kmem_cache_alloc+0xbb3/0x11c0 mm/slub.c:3264 sk_prot_alloc+0xeb/0x570 net/core/sock.c:1914 sk_clone_lock+0xdd/0x1980 net/core/sock.c:2118 inet_csk_clone_lock+0x8d/0x6a0 net/ipv4/inet_connection_sock.c:956 tcp_create_openreq_child+0xb1/0x1ef0 net/ipv4/tcp_minisocks.c:453 tcp_v4_syn_recv_sock+0x268/0x2710 net/ipv4/tcp_ipv4.c:1563 tcp_check_req+0x21b2/0x2b10 net/ipv4/tcp_minisocks.c:765 tcp_v4_rcv+0x3696/0x4e70 net/ipv4/tcp_ipv4.c:2047 ip_protocol_deliver_rcu+0x752/0x10a0 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ip_local_deliver+0x584/0x8c0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:460 [inline] ip_sublist_rcv_finish net/ipv4/ip_input.c:551 [inline] ip_list_rcv_finish net/ipv4/ip_input.c:601 [inline] ip_sublist_rcv+0x11a7/0x14d0 net/ipv4/ip_input.c:609 ip_list_rcv+0x930/0x970 net/ipv4/ip_input.c:644 __netif_receive_skb_list_ptype net/core/dev.c:5508 [inline] __netif_receive_skb_list_core+0xdf9/0x11f0 net/core/dev.c:5556 __netif_receive_skb_list+0x7e3/0x940 net/core/dev.c:5608 netif_receive_skb_list_internal+0x848/0xdc0 net/core/dev.c:5699 gro_normal_list net/core/dev.c:5853 [inline] napi_complete_done+0x579/0xdc0 net/core/dev.c:6590 virtqueue_napi_complete drivers/net/virtio_net.c:339 [inline] virtnet_poll+0x17a4/0x2340 drivers/net/virtio_net.c:1557 __napi_poll+0x14c/0xc00 net/core/dev.c:7023 napi_poll net/core/dev.c:7090 [inline] net_rx_action+0x7e2/0x1820 net/core/dev.c:7177 __do_softirq+0x1ee/0x7c5 kernel/softirq.c:558 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================