IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ================================================================== BUG: KMSAN: uninit-value in __rmqueue_smallest mm/page_alloc.c:1857 [inline] BUG: KMSAN: uninit-value in __rmqueue mm/page_alloc.c:2349 [inline] BUG: KMSAN: uninit-value in rmqueue mm/page_alloc.c:2914 [inline] BUG: KMSAN: uninit-value in get_page_from_freelist+0x64c5/0xb600 mm/page_alloc.c:3243 CPU: 0 PID: 6626 Comm: syz-executor6 Not tainted 4.16.0+ #87 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683 __rmqueue_smallest mm/page_alloc.c:1857 [inline] __rmqueue mm/page_alloc.c:2349 [inline] rmqueue mm/page_alloc.c:2914 [inline] get_page_from_freelist+0x64c5/0xb600 mm/page_alloc.c:3243 __alloc_pages_nodemask+0x789/0x5dc0 mm/page_alloc.c:4252 alloc_pages_current+0x6b5/0x970 mm/mempolicy.c:2055 alloc_pages include/linux/gfp.h:494 [inline] skb_page_frag_refill+0x3ba/0x5e0 net/core/sock.c:2208 sk_page_frag_refill+0xa4/0x340 net/core/sock.c:2228 tcp_sendmsg_locked+0x2395/0x6cf0 net/ipv4/tcp.c:1341 tcp_sendmsg+0xb2/0x100 net/ipv4/tcp.c:1463 inet_sendmsg+0x48d/0x740 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg net/socket.c:640 [inline] SYSC_sendto+0x6c3/0x7e0 net/socket.c:1747 SyS_sendto+0x8a/0xb0 net/socket.c:1715 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 RIP: 0033:0x455389 RSP: 002b:00007f925c94dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f925c94e6d4 RCX: 0000000000455389 RDX: fffffffffffffe49 RSI: 0000000020588fff RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000020385ff0 R09: 0000000000000010 R10: 0000000020020003 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000500 R14: 00000000006fa8a0 R15: 0000000000000000 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_save_stack mm/kmsan/kmsan.c:293 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:528 __write_once_size include/linux/compiler.h:224 [inline] __list_add include/linux/list.h:66 [inline] list_add include/linux/list.h:79 [inline] __free_one_page+0x16cb/0x1800 mm/page_alloc.c:915 free_one_page mm/page_alloc.c:1185 [inline] __free_pages_ok+0x87f/0x16b0 mm/page_alloc.c:1276 free_compound_page+0x8e/0xc0 mm/page_alloc.c:610 __put_compound_page mm/swap.c:95 [inline] __put_page+0x1b4/0x1e0 mm/swap.c:111 put_page include/linux/mm.h:865 [inline] __skb_frag_unref include/linux/skbuff.h:2760 [inline] skb_release_data+0x2ea/0x850 net/core/skbuff.c:565 skb_release_all net/core/skbuff.c:628 [inline] __kfree_skb+0xab/0x280 net/core/skbuff.c:642 tcp_close+0xa64/0x18f0 net/ipv4/tcp.c:2201 inet_release+0x240/0x2a0 net/ipv4/af_inet.c:427 sock_release net/socket.c:595 [inline] sock_close+0xe0/0x300 net/socket.c:1149 __fput+0x49e/0xa10 fs/file_table.c:209 ____fput+0x37/0x40 fs/file_table.c:243 task_work_run+0x243/0x2c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x10e1/0x38d0 kernel/exit.c:867 do_group_exit+0x1a0/0x360 kernel/exit.c:970 get_signal+0x1320/0x1f20 kernel/signal.c:2469 do_signal+0xb8/0x1c80 arch/x86/kernel/signal.c:809 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline] prepare_exit_to_usermode+0x271/0x3a0 arch/x86/entry/common.c:196 syscall_return_slowpath+0xe9/0x700 arch/x86/entry/common.c:265 do_syscall_64+0x36d/0x430 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_save_stack mm/kmsan/kmsan.c:293 [inline] kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684 kmsan_memcpy_origins+0x11d/0x170 mm/kmsan/kmsan.c:526 __msan_memcpy+0x109/0x160 mm/kmsan/kmsan_instr.c:477 skb_try_coalesce+0x1517/0x1c00 net/core/skbuff.c:4833 tcp_try_coalesce net/ipv4/tcp_input.c:4280 [inline] tcp_queue_rcv+0x34a/0x11d0 net/ipv4/tcp_input.c:4522 tcp_data_queue+0x1509/0xa190 net/ipv4/tcp_input.c:4614 tcp_rcv_established+0x1965/0x2bb0 net/ipv4/tcp_input.c:5466 tcp_v4_do_rcv+0x6cd/0xd90 net/ipv4/tcp_ipv4.c:1469 sk_backlog_rcv include/net/sock.h:908 [inline] __release_sock+0x2d6/0x680 net/core/sock.c:2271 release_sock+0x97/0x2a0 net/core/sock.c:2786 tcp_sendmsg+0xd6/0x100 net/ipv4/tcp.c:1464 inet_sendmsg+0x48d/0x740 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg net/socket.c:640 [inline] SYSC_sendto+0x6c3/0x7e0 net/socket.c:1747 SyS_sendto+0x8a/0xb0 net/socket.c:1715 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:188 kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:314 kmsan_slab_alloc+0x11/0x20 mm/kmsan/kmsan.c:321 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slub.c:2737 [inline] __kmalloc_node_track_caller+0xaed/0x11c0 mm/slub.c:4369 __kmalloc_reserve net/core/skbuff.c:138 [inline] __alloc_skb+0x2cf/0x9f0 net/core/skbuff.c:206 alloc_skb_fclone include/linux/skbuff.h:1026 [inline] sk_stream_alloc_skb+0x17c/0xcf0 net/ipv4/tcp.c:866 tcp_sendmsg_locked+0x2b36/0x6cf0 net/ipv4/tcp.c:1301 tcp_sendmsg+0xb2/0x100 net/ipv4/tcp.c:1463 inet_sendmsg+0x48d/0x740 net/ipv4/af_inet.c:764 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg net/socket.c:640 [inline] SYSC_sendto+0x6c3/0x7e0 net/socket.c:1747 SyS_sendto+0x8a/0xb0 net/socket.c:1715 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 ==================================================================