===================================================== 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 rest_init+0x278/0x2e0 init/main.c:726 arch_call_rest_init+0x13/0x15 start_kernel+0xa96/0xc49 init/main.c:1138 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:530 x86_64_start_kernel+0xd6/0xdb arch/x86/kernel/head64.c:511 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_alloc+0xe0/0x9b0 net/core/sock.c:1973 inet_create+0xe0b/0x1aa0 net/ipv4/af_inet.c:318 __sock_create+0x9ca/0xff0 net/socket.c:1464 sock_create net/socket.c:1515 [inline] __sys_socket+0x1c5/0x650 net/socket.c:1557 __do_sys_socket net/socket.c:1566 [inline] __se_sys_socket net/socket.c:1564 [inline] __x64_sys_socket+0xd8/0x120 net/socket.c:1564 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================