BUG: memory leak
unreferenced object 0xffff88811d3d8000 (size 8192):
  comm "syz-executor.1", pid 6488, jiffies 4294944855
  hex dump (first 32 bytes):
    00 80 3d 1d 81 88 ff ff 00 80 3d 1d 81 88 ff ff  ..=.......=.....
    00 00 00 00 00 00 00 00 00 80 78 10 81 88 ff ff  ..........x.....
  backtrace (crc 44532bae):
    [<ffffffff8164f092>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8164f092>] slab_post_alloc_hook mm/slub.c:4089 [inline]
    [<ffffffff8164f092>] slab_alloc_node mm/slub.c:4134 [inline]
    [<ffffffff8164f092>] __kmalloc_cache_noprof+0x282/0x320 mm/slub.c:4290
    [<ffffffff84bcac30>] kmalloc_noprof include/linux/slab.h:878 [inline]
    [<ffffffff84bcac30>] kzalloc_noprof include/linux/slab.h:1014 [inline]
    [<ffffffff84bcac30>] j1939_priv_create net/can/j1939/main.c:131 [inline]
    [<ffffffff84bcac30>] j1939_netdev_start+0x160/0x6f0 net/can/j1939/main.c:268
    [<ffffffff84bcc972>] j1939_sk_bind+0x222/0x550 net/can/j1939/socket.c:497
    [<ffffffff844e1120>] __sys_bind_socket net/socket.c:1843 [inline]
    [<ffffffff844e1120>] __sys_bind_socket net/socket.c:1835 [inline]
    [<ffffffff844e1120>] __sys_bind+0x120/0x140 net/socket.c:1867
    [<ffffffff844e116c>] __do_sys_bind net/socket.c:1875 [inline]
    [<ffffffff844e116c>] __se_sys_bind net/socket.c:1873 [inline]
    [<ffffffff844e116c>] __x64_sys_bind+0x1c/0x30 net/socket.c:1873
    [<ffffffff8525b9fe>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff8525b9fe>] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85400130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8881404d5800 (size 1024):
  comm "syz-executor.1", pid 6488, jiffies 4294944855
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    1d 00 07 41 00 00 00 00 00 00 00 00 00 00 00 00  ...A............
  backtrace (crc 1019e03e):
    [<ffffffff8164f9eb>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8164f9eb>] slab_post_alloc_hook mm/slub.c:4089 [inline]
    [<ffffffff8164f9eb>] slab_alloc_node mm/slub.c:4134 [inline]
    [<ffffffff8164f9eb>] __do_kmalloc_node mm/slub.c:4263 [inline]
    [<ffffffff8164f9eb>] __kmalloc_noprof+0x2db/0x410 mm/slub.c:4276
    [<ffffffff844e54da>] kmalloc_noprof include/linux/slab.h:882 [inline]
    [<ffffffff844e54da>] sk_prot_alloc+0x11a/0x1b0 net/core/sock.c:2164
    [<ffffffff844e8ce6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2217
    [<ffffffff84bbbcd8>] can_create+0x198/0x310 net/can/af_can.c:158
    [<ffffffff844dc7f5>] __sock_create+0x1a5/0x2f0 net/socket.c:1576
    [<ffffffff844e09fb>] sock_create net/socket.c:1632 [inline]
    [<ffffffff844e09fb>] __sys_socket_create net/socket.c:1669 [inline]
    [<ffffffff844e09fb>] __sys_socket+0xbb/0x1a0 net/socket.c:1716
    [<ffffffff844e0b0b>] __do_sys_socket net/socket.c:1730 [inline]
    [<ffffffff844e0b0b>] __se_sys_socket net/socket.c:1728 [inline]
    [<ffffffff844e0b0b>] __x64_sys_socket+0x1b/0x30 net/socket.c:1728
    [<ffffffff8525b9fe>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff8525b9fe>] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85400130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88811d1653a0 (size 16):
  comm "syz-executor.1", pid 6488, jiffies 4294944855
  hex dump (first 16 bytes):
    00 21 44 40 81 88 ff ff 00 00 00 00 00 00 00 00  .!D@............
  backtrace (crc 4aee203d):
    [<ffffffff8164f9eb>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8164f9eb>] slab_post_alloc_hook mm/slub.c:4089 [inline]
    [<ffffffff8164f9eb>] slab_alloc_node mm/slub.c:4134 [inline]
    [<ffffffff8164f9eb>] __do_kmalloc_node mm/slub.c:4263 [inline]
    [<ffffffff8164f9eb>] __kmalloc_noprof+0x2db/0x410 mm/slub.c:4276
    [<ffffffff82633d9d>] kmalloc_noprof include/linux/slab.h:882 [inline]
    [<ffffffff82633d9d>] kzalloc_noprof include/linux/slab.h:1014 [inline]
    [<ffffffff82633d9d>] lsm_blob_alloc+0x4d/0x70 security/security.c:685
    [<ffffffff82648c10>] lsm_sock_alloc security/security.c:4808 [inline]
    [<ffffffff82648c10>] security_sk_alloc+0x30/0x270 security/security.c:4824
    [<ffffffff844e54f5>] sk_prot_alloc+0x135/0x1b0 net/core/sock.c:2167
    [<ffffffff844e8ce6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2217
    [<ffffffff84bbbcd8>] can_create+0x198/0x310 net/can/af_can.c:158
    [<ffffffff844dc7f5>] __sock_create+0x1a5/0x2f0 net/socket.c:1576
    [<ffffffff844e09fb>] sock_create net/socket.c:1632 [inline]
    [<ffffffff844e09fb>] __sys_socket_create net/socket.c:1669 [inline]
    [<ffffffff844e09fb>] __sys_socket+0xbb/0x1a0 net/socket.c:1716
    [<ffffffff844e0b0b>] __do_sys_socket net/socket.c:1730 [inline]
    [<ffffffff844e0b0b>] __se_sys_socket net/socket.c:1728 [inline]
    [<ffffffff844e0b0b>] __x64_sys_socket+0x1b/0x30 net/socket.c:1728
    [<ffffffff8525b9fe>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff8525b9fe>] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85400130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88811ff98800 (size 240):
  comm "syz-executor.1", pid 6488, jiffies 4294944855
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 80 78 10 81 88 ff ff 00 58 4d 40 81 88 ff ff  ..x......XM@....
  backtrace (crc 523d21cd):
    [<ffffffff8164e131>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8164e131>] slab_post_alloc_hook mm/slub.c:4089 [inline]
    [<ffffffff8164e131>] slab_alloc_node mm/slub.c:4134 [inline]
    [<ffffffff8164e131>] kmem_cache_alloc_node_noprof+0x281/0x320 mm/slub.c:4186
    [<ffffffff844f4902>] __alloc_skb+0x1e2/0x220 net/core/skbuff.c:668
    [<ffffffff84501f12>] alloc_skb include/linux/skbuff.h:1322 [inline]
    [<ffffffff84501f12>] alloc_skb_with_frags+0x72/0x400 net/core/skbuff.c:6612
    [<ffffffff844e997d>] sock_alloc_send_pskb+0x37d/0x3e0 net/core/sock.c:2883
    [<ffffffff84bcd368>] sock_alloc_send_skb include/net/sock.h:1782 [inline]
    [<ffffffff84bcd368>] j1939_sk_alloc_skb net/can/j1939/socket.c:878 [inline]
    [<ffffffff84bcd368>] j1939_sk_send_loop net/can/j1939/socket.c:1142 [inline]
    [<ffffffff84bcd368>] j1939_sk_sendmsg+0x2f8/0x800 net/can/j1939/socket.c:1277
    [<ffffffff844dfb84>] sock_sendmsg_nosec net/socket.c:729 [inline]
    [<ffffffff844dfb84>] __sock_sendmsg net/socket.c:744 [inline]
    [<ffffffff844dfb84>] sock_sendmsg+0x1b4/0x1d0 net/socket.c:767
    [<ffffffff8177d067>] splice_to_socket+0x607/0x800 fs/splice.c:889
    [<ffffffff8177a77d>] do_splice_from fs/splice.c:941 [inline]
    [<ffffffff8177a77d>] direct_splice_actor+0x7d/0x210 fs/splice.c:1164
    [<ffffffff8177a316>] splice_direct_to_actor+0x166/0x400 fs/splice.c:1108
    [<ffffffff8177abbe>] do_splice_direct_actor fs/splice.c:1207 [inline]
    [<ffffffff8177abbe>] do_splice_direct+0xbe/0x120 fs/splice.c:1233
    [<ffffffff81704f16>] do_sendfile+0x5b6/0x6c0 fs/read_write.c:1388
    [<ffffffff81709902>] __do_sys_sendfile64 fs/read_write.c:1455 [inline]
    [<ffffffff81709902>] __se_sys_sendfile64 fs/read_write.c:1441 [inline]
    [<ffffffff81709902>] __x64_sys_sendfile64+0xf2/0x110 fs/read_write.c:1441
    [<ffffffff8525b9fe>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff8525b9fe>] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85400130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f