===================================================== BUG: KMSAN: uninit-value in geneve_xmit_skb drivers/net/geneve.c:996 [inline] BUG: KMSAN: uninit-value in geneve_xmit+0x56b2/0x6130 drivers/net/geneve.c:1108 geneve_xmit_skb drivers/net/geneve.c:996 [inline] geneve_xmit+0x56b2/0x6130 drivers/net/geneve.c:1108 __netdev_start_xmit include/linux/netdevice.h:4843 [inline] netdev_start_xmit include/linux/netdevice.h:4857 [inline] xmit_one+0x15a/0x5f0 net/core/dev.c:3590 dev_hard_start_xmit+0xe5/0x370 net/core/dev.c:3606 __dev_queue_xmit+0x1dec/0x31f0 net/core/dev.c:4256 dev_queue_xmit+0x2b/0x30 include/linux/netdevice.h:3009 packet_snd net/packet/af_packet.c:3073 [inline] packet_sendmsg+0x62a7/0x78e0 net/packet/af_packet.c:3104 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] __sys_sendto+0x7f2/0xa60 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __ia32_sys_sendto+0x11b/0x1b0 net/socket.c:2125 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook mm/slab.h:742 [inline] slab_alloc_node mm/slub.c:3398 [inline] __kmem_cache_alloc_node+0x6ee/0xc90 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node_track_caller+0x114/0x3c0 mm/slab_common.c:975 kmalloc_reserve net/core/skbuff.c:437 [inline] __alloc_skb+0x34a/0xca0 net/core/skbuff.c:509 alloc_skb include/linux/skbuff.h:1267 [inline] alloc_skb_with_frags+0xb9/0xba0 net/core/skbuff.c:6126 sock_alloc_send_pskb+0xaa8/0xc30 net/core/sock.c:2719 packet_alloc_skb net/packet/af_packet.c:2921 [inline] packet_snd net/packet/af_packet.c:3016 [inline] packet_sendmsg+0x4cc5/0x78e0 net/packet/af_packet.c:3104 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] __sys_sendto+0x7f2/0xa60 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __ia32_sys_sendto+0x11b/0x1b0 net/socket.c:2125 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 0 PID: 4535 Comm: syz-executor.3 Not tainted 6.1.0-rc7-syzkaller-63931-g49a9a20768f5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 =====================================================