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Subjectmemory leak in batadv_tvlv_handler_register
From
Hello,

syzbot found the following crash on:

HEAD commit: f49aa1de Merge tag 'for-5.2-rc1-tag' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16ca4654a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=61dd9e15a761691d
dashboard link: https://syzkaller.appspot.com/bug?extid=d454a826e670502484b8
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b81d9ca00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1500bd9ca00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+d454a826e670502484b8@syzkaller.appspotmail.com

57.000820][ T7044] team0 (unregistering): Port device team_slave_0
removed
BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 34.850s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 33.900s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 33.900s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 36.440s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 35.490s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 35.490s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 38.040s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.090s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.090s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 38.130s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.180s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.180s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 38.210s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.260s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.260s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113c48bc0 (size 64):
comm "softirq", pid 0, jiffies 4294942488 (age 38.290s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L.....
00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline]
[<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline]
[<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140
net/batman-adv/tvlv.c:529
[<00000000b3d9e02d>] batadv_tt_init+0x78/0x180
net/batman-adv/translation-table.c:4411
[<000000009ae2cc39>] batadv_mesh_init+0x196/0x230
net/batman-adv/main.c:208
[<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220
net/batman-adv/soft-interface.c:861
[<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673
[<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30
net/core/rtnetlink.c:3203
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972

BUG: memory leak
unreferenced object 0xffff888114921200 (size 128):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.350s)
hex dump (first 32 bytes):
f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................
0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l.....
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline]
[<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150
net/hsr/hsr_framereg.c:84
[<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233
net/hsr/hsr_device.c:441
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811483f940 (size 64):
comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.350s)
hex dump (first 32 bytes):
c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................
00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................
backtrace:
[<00000000e8f47afd>] kmemleak_alloc_recursive
include/linux/kmemleak.h:55 [inline]
[<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline]
[<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
[<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline]
[<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline]
[<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
[<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233
net/hsr/hsr_device.c:472
[<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
[<00000000e468583b>] __rtnl_newlink+0x892/0xb30
net/core/rtnetlink.c:3191
[<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249
[<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0
net/core/rtnetlink.c:5218
[<0000000092499169>] netlink_rcv_skb+0x61/0x170
net/netlink/af_netlink.c:2486
[<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236
[<00000000f89d63a1>] netlink_unicast_kernel
net/netlink/af_netlink.c:1311 [inline]
[<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0
net/netlink/af_netlink.c:1337
[<000000006e2fb165>] netlink_sendmsg+0x26a/0x480
net/netlink/af_netlink.c:1926
[<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline]
[<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671
[<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964
[<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline]
[<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline]
[<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972
[<00000000b8ae154c>] do_syscall_64+0x76/0x1a0
arch/x86/entry/common.c:301
[<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program
executing program
executing program
executing program
executing program


---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this bug report. See:
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