===================================================== BUG: KMSAN: uninit-value in __nf_ct_tuple_src_equal include/net/netfilter/nf_conntrack_tuple.h:128 [inline] BUG: KMSAN: uninit-value in nf_ct_tuple_equal include/net/netfilter/nf_conntrack_tuple.h:143 [inline] BUG: KMSAN: uninit-value in nf_nat_setup_info+0x300f/0x4750 net/netfilter/nf_nat_core.c:607 __nf_ct_tuple_src_equal include/net/netfilter/nf_conntrack_tuple.h:128 [inline] nf_ct_tuple_equal include/net/netfilter/nf_conntrack_tuple.h:143 [inline] nf_nat_setup_info+0x300f/0x4750 net/netfilter/nf_nat_core.c:607 __nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:664 [inline] nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:670 [inline] nf_nat_inet_fn+0x129b/0x1710 net/netfilter/nf_nat_core.c:759 nf_nat_ipv6_fn+0x4dd/0x580 net/netfilter/nf_nat_proto.c:937 nf_nat_ipv6_local_fn+0xa7/0x830 net/netfilter/nf_nat_proto.c:1001 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0x18c/0x490 net/netfilter/core.c:619 nf_hook include/linux/netfilter.h:262 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip6_xmit+0x2790/0x2860 net/ipv6/ip6_output.c:324 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was stored to memory at: nf_ct_invert_tuple+0x5e8/0x620 net/netfilter/nf_conntrack_core.c:464 nf_nat_setup_info+0x2fa/0x4750 net/netfilter/nf_nat_core.c:602 __nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:664 [inline] nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:670 [inline] nf_nat_inet_fn+0x129b/0x1710 net/netfilter/nf_nat_core.c:759 nf_nat_ipv6_fn+0x4dd/0x580 net/netfilter/nf_nat_proto.c:937 nf_nat_ipv6_local_fn+0xa7/0x830 net/netfilter/nf_nat_proto.c:1001 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0x18c/0x490 net/netfilter/core.c:619 nf_hook include/linux/netfilter.h:262 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip6_xmit+0x2790/0x2860 net/ipv6/ip6_output.c:324 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was stored to memory at: __nf_conntrack_alloc+0x2de/0x7f0 net/netfilter/nf_conntrack_core.c:1559 init_conntrack+0x29c/0x2570 net/netfilter/nf_conntrack_core.c:1635 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1746 [inline] nf_conntrack_in+0x1bb3/0x2ef0 net/netfilter/nf_conntrack_core.c:1901 ipv6_conntrack_local+0x68/0x80 net/netfilter/nf_conntrack_proto.c:414 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0x18c/0x490 net/netfilter/core.c:619 nf_hook include/linux/netfilter.h:262 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip6_xmit+0x2790/0x2860 net/ipv6/ip6_output.c:324 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was stored to memory at: nf_ct_invert_tuple+0x614/0x620 net/netfilter/nf_conntrack_core.c:465 init_conntrack+0x122/0x2570 net/netfilter/nf_conntrack_core.c:1629 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1746 [inline] nf_conntrack_in+0x1bb3/0x2ef0 net/netfilter/nf_conntrack_core.c:1901 ipv6_conntrack_local+0x68/0x80 net/netfilter/nf_conntrack_proto.c:414 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0x18c/0x490 net/netfilter/core.c:619 nf_hook include/linux/netfilter.h:262 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip6_xmit+0x2790/0x2860 net/ipv6/ip6_output.c:324 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was stored to memory at: nf_ct_get_tuple_ports net/netfilter/nf_conntrack_core.c:255 [inline] nf_ct_get_tuple+0x1500/0x1730 net/netfilter/nf_conntrack_core.c:327 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1722 [inline] nf_conntrack_in+0x73e/0x2ef0 net/netfilter/nf_conntrack_core.c:1901 ipv6_conntrack_local+0x68/0x80 net/netfilter/nf_conntrack_proto.c:414 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0x18c/0x490 net/netfilter/core.c:619 nf_hook include/linux/netfilter.h:262 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip6_xmit+0x2790/0x2860 net/ipv6/ip6_output.c:324 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was stored to memory at: pskb_expand_head+0x3cb/0x1db0 net/core/skbuff.c:1710 skb_expand_head+0x563/0x980 net/core/skbuff.c:1828 ip6_xmit+0xb97/0x2860 net/ipv6/ip6_output.c:266 sctp_v6_xmit+0xd7c/0x19b0 net/sctp/ipv6.c:250 sctp_packet_transmit+0x43ed/0x4610 net/sctp/output.c:652 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Uninit was created at: slab_post_alloc_hook mm/slab.h:524 [inline] slab_alloc_node mm/slub.c:3251 [inline] __kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4974 kmalloc_reserve net/core/skbuff.c:354 [inline] __alloc_skb+0x545/0xf90 net/core/skbuff.c:426 alloc_skb include/linux/skbuff.h:1126 [inline] sctp_packet_transmit+0x528/0x4610 net/sctp/output.c:597 sctp_packet_singleton+0x3d8/0x580 net/sctp/outqueue.c:777 sctp_outq_flush_ctrl net/sctp/outqueue.c:908 [inline] sctp_outq_flush+0x681/0x5f30 net/sctp/outqueue.c:1202 sctp_outq_uncork+0x105/0x120 net/sctp/outqueue.c:758 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline] sctp_do_sm+0x94c0/0x9be0 net/sctp/sm_sideeffect.c:1166 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:73 __sctp_connect+0x14ed/0x18d0 net/sctp/socket.c:1231 __sctp_setsockopt_connectx net/sctp/socket.c:1333 [inline] sctp_getsockopt_connectx3+0x849/0xa50 net/sctp/socket.c:1418 sctp_getsockopt+0xd6a/0x1fc0 net/sctp/socket.c:8101 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3451 __sys_getsockopt+0x6d7/0xc30 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __ia32_sys_getsockopt+0x15d/0x1c0 net/socket.c:2232 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c CPU: 0 PID: 17194 Comm: syz-executor.4 Not tainted 5.16.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================