syzbot

BUG: memory leak
unreferenced object 0xffff88811eac4a40 (size 64):
  comm "softirq", pid 0, jiffies 4294943273 (age 8.190s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 e0 5c cb 23 81 88 ff ff  .........\.#....
    00 00 00 00 00 00 00 00 50 b1 16 83 ff ff ff ff  ........P.......
  backtrace:
    [<00000000a9a2c0e6>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000a9a2c0e6>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000a9a2c0e6>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000a9a2c0e6>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<00000000358dcf44>] kmalloc include/linux/slab.h:547 [inline]
    [<00000000358dcf44>] kzalloc include/linux/slab.h:742 [inline]
    [<00000000358dcf44>] batadv_tvlv_handler_register+0xa3/0x170 net/batman-adv/tvlv.c:529
    [<0000000070c8d27e>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411
    [<0000000096e5c01c>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208
    [<00000000d551a0f5>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861
    [<00000000ad81e6db>] register_netdevice+0xbf/0x600 net/core/dev.c:8663
    [<0000000009fc31f2>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3199
    [<000000007a7fc128>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3245
    [<000000000ea7ae98>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5214
    [<00000000f998b3a4>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2482
    [<000000008758a183>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5232
    [<00000000614a7eec>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline]
    [<00000000614a7eec>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333
    [<00000000689cea77>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922
    [<000000003527f234>] sock_sendmsg_nosec net/socket.c:646 [inline]
    [<000000003527f234>] sock_sendmsg+0x54/0x70 net/socket.c:665
    [<00000000c8efca62>] __sys_sendto+0x148/0x1f0 net/socket.c:1958
    [<00000000dc128d87>] __do_sys_sendto net/socket.c:1970 [inline]
    [<00000000dc128d87>] __se_sys_sendto net/socket.c:1966 [inline]
    [<00000000dc128d87>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1966

BUG: memory leak
unreferenced object 0xffff88811a5e1200 (size 128):
  comm "syz-executor703", pid 7001, jiffies 4294943281 (age 8.110s)
  hex dump (first 32 bytes):
    f0 88 57 21 81 88 ff ff f0 88 57 21 81 88 ff ff  ..W!......W!....
    b6 64 1d 58 7a 97 82 40 dc 0f 83 db 00 00 00 00  .d.Xz..@........
  backtrace:
    [<00000000a9a2c0e6>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000a9a2c0e6>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000a9a2c0e6>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000a9a2c0e6>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<00000000508a7206>] kmalloc include/linux/slab.h:547 [inline]
    [<00000000508a7206>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84
    [<00000000d3669a18>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441
    [<00000000df29ddf9>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
    [<0000000059d3c8cb>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3187
    [<000000007a7fc128>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3245
    [<000000000ea7ae98>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5214
    [<00000000f998b3a4>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2482
    [<000000008758a183>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5232
    [<00000000614a7eec>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline]
    [<00000000614a7eec>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333
    [<00000000689cea77>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922
    [<000000003527f234>] sock_sendmsg_nosec net/socket.c:646 [inline]
    [<000000003527f234>] sock_sendmsg+0x54/0x70 net/socket.c:665
    [<00000000c8efca62>] __sys_sendto+0x148/0x1f0 net/socket.c:1958
    [<00000000dc128d87>] __do_sys_sendto net/socket.c:1970 [inline]
    [<00000000dc128d87>] __se_sys_sendto net/socket.c:1966 [inline]
    [<00000000dc128d87>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1966
    [<00000000831f347e>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<00000000b32c52eb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811c1325c0 (size 64):
  comm "syz-executor703", pid 7001, jiffies 4294943281 (age 8.110s)
  hex dump (first 32 bytes):
    40 05 81 1e 81 88 ff ff 00 02 00 00 00 00 ad de  @...............
    00 80 57 21 81 88 ff ff c0 88 57 21 81 88 ff ff  ..W!......W!....
  backtrace:
    [<00000000a9a2c0e6>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000a9a2c0e6>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000a9a2c0e6>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000a9a2c0e6>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<00000000fb1ba6e2>] kmalloc include/linux/slab.h:547 [inline]
    [<00000000fb1ba6e2>] kzalloc include/linux/slab.h:742 [inline]
    [<00000000fb1ba6e2>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142
    [<00000000564977a6>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472
    [<00000000df29ddf9>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69
    [<0000000059d3c8cb>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3187
    [<000000007a7fc128>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3245
    [<000000000ea7ae98>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5214
    [<00000000f998b3a4>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2482
    [<000000008758a183>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5232
    [<00000000614a7eec>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline]
    [<00000000614a7eec>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333
    [<00000000689cea77>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922
    [<000000003527f234>] sock_sendmsg_nosec net/socket.c:646 [inline]
    [<000000003527f234>] sock_sendmsg+0x54/0x70 net/socket.c:665
    [<00000000c8efca62>] __sys_sendto+0x148/0x1f0 net/socket.c:1958
    [<00000000dc128d87>] __do_sys_sendto net/socket.c:1970 [inline]
    [<00000000dc128d87>] __se_sys_sendto net/socket.c:1966 [inline]
    [<00000000dc128d87>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1966
    [<00000000831f347e>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<00000000b32c52eb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9