BUG: memory leak unreferenced object 0xffff888122b7e400 (size 1024): comm "syz-executor.4", pid 5760, jiffies 4294945617 (age 15.000s) 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: [] __do_kmalloc_node mm/slab_common.c:966 [inline] [] __kmalloc+0x4a/0x120 mm/slab_common.c:980 [] kmalloc include/linux/slab.h:584 [inline] [] sk_prot_alloc+0xcd/0x1b0 net/core/sock.c:2040 [] sk_alloc+0x36/0x300 net/core/sock.c:2093 [] can_create+0x10c/0x310 net/can/af_can.c:158 [] __sock_create+0x1de/0x300 net/socket.c:1545 [] sock_create net/socket.c:1596 [inline] [] __sys_socket_create net/socket.c:1633 [inline] [] __sys_socket_create net/socket.c:1618 [inline] [] __sys_socket+0xa2/0x190 net/socket.c:1661 [] __do_sys_socket net/socket.c:1674 [inline] [] __se_sys_socket net/socket.c:1672 [inline] [] __x64_sys_socket+0x1e/0x30 net/socket.c:1672 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888122c1a560 (size 32): comm "syz-executor.4", pid 5760, jiffies 4294945617 (age 15.000s) hex dump (first 32 bytes): a8 31 a3 00 81 88 ff ff 00 00 00 00 00 00 00 00 .1.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc_trace+0x24/0x90 mm/slab_common.c:1061 [] kmalloc include/linux/slab.h:580 [inline] [] kzalloc include/linux/slab.h:720 [inline] [] apparmor_sk_alloc_security+0x52/0xd0 security/apparmor/lsm.c:828 [] security_sk_alloc+0x35/0x70 security/security.c:2362 [] sk_prot_alloc+0xfe/0x1b0 net/core/sock.c:2043 [] sk_alloc+0x36/0x300 net/core/sock.c:2093 [] can_create+0x10c/0x310 net/can/af_can.c:158 [] __sock_create+0x1de/0x300 net/socket.c:1545 [] sock_create net/socket.c:1596 [inline] [] __sys_socket_create net/socket.c:1633 [inline] [] __sys_socket_create net/socket.c:1618 [inline] [] __sys_socket+0xa2/0x190 net/socket.c:1661 [] __do_sys_socket net/socket.c:1674 [inline] [] __se_sys_socket net/socket.c:1672 [inline] [] __x64_sys_socket+0x1e/0x30 net/socket.c:1672 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888123649700 (size 240): comm "syz-executor.4", pid 5760, jiffies 4294945620 (age 14.970s) hex dump (first 32 bytes): 00 9e 64 23 81 88 ff ff 68 fe 91 22 81 88 ff ff ..d#....h..".... 00 80 62 0f 81 88 ff ff 00 e4 b7 22 81 88 ff ff ..b........".... backtrace: [] __alloc_skb+0x1fd/0x230 net/core/skbuff.c:596 [] alloc_skb include/linux/skbuff.h:1277 [inline] [] alloc_skb_with_frags+0x6e/0x340 net/core/skbuff.c:6318 [] sock_alloc_send_pskb+0x3a3/0x3e0 net/core/sock.c:2734 [] sock_alloc_send_skb include/net/sock.h:1860 [inline] [] j1939_sk_alloc_skb net/can/j1939/socket.c:864 [inline] [] j1939_sk_send_loop net/can/j1939/socket.c:1121 [inline] [] j1939_sk_sendmsg+0x2d6/0x810 net/can/j1939/socket.c:1256 [] sock_sendmsg_nosec net/socket.c:724 [inline] [] sock_sendmsg+0x58/0xb0 net/socket.c:747 [] sock_no_sendpage+0x93/0xc0 net/core/sock.c:3235 [] kernel_sendpage net/socket.c:3580 [inline] [] kernel_sendpage+0xd1/0x2b0 net/socket.c:3574 [] sock_sendpage+0x49/0x80 net/socket.c:1080 [] pipe_to_sendpage+0xa6/0x110 fs/splice.c:454 [] splice_from_pipe_feed fs/splice.c:508 [inline] [] __splice_from_pipe+0x1f1/0x330 fs/splice.c:652 [] splice_from_pipe fs/splice.c:687 [inline] [] generic_splice_sendpage+0x73/0xb0 fs/splice.c:835 [] do_splice_from fs/splice.c:856 [inline] [] direct_splice_actor+0x4f/0x70 fs/splice.c:1022 [] splice_direct_to_actor+0x14d/0x350 fs/splice.c:977 [] do_splice_direct+0xec/0x150 fs/splice.c:1065 [] do_sendfile+0x57f/0x7d0 fs/read_write.c:1255 [] __do_sys_sendfile64 fs/read_write.c:1323 [inline] [] __se_sys_sendfile64 fs/read_write.c:1309 [inline] [] __x64_sys_sendfile64+0xe6/0x100 fs/read_write.c:1309 BUG: memory leak unreferenced object 0xffff88812291fe00 (size 512): comm "syz-executor.4", pid 5760, jiffies 4294945620 (age 14.970s) hex dump (first 32 bytes): 00 60 86 23 81 88 ff ff 08 fe 91 22 81 88 ff ff .`.#.......".... 08 fe 91 22 81 88 ff ff 18 fe 91 22 81 88 ff ff ...".......".... backtrace: [] kmalloc_trace+0x24/0x90 mm/slab_common.c:1061 [] kmalloc include/linux/slab.h:580 [inline] [] kzalloc include/linux/slab.h:720 [inline] [] j1939_session_new+0x5b/0x160 net/can/j1939/transport.c:1494 [] j1939_tp_send+0x154/0x350 net/can/j1939/transport.c:2004 [] j1939_sk_send_loop net/can/j1939/socket.c:1133 [inline] [] j1939_sk_sendmsg+0x4a8/0x810 net/can/j1939/socket.c:1256 [] sock_sendmsg_nosec net/socket.c:724 [inline] [] sock_sendmsg+0x58/0xb0 net/socket.c:747 [] sock_no_sendpage+0x93/0xc0 net/core/sock.c:3235 [] kernel_sendpage net/socket.c:3580 [inline] [] kernel_sendpage+0xd1/0x2b0 net/socket.c:3574 [] sock_sendpage+0x49/0x80 net/socket.c:1080 [] pipe_to_sendpage+0xa6/0x110 fs/splice.c:454 [] splice_from_pipe_feed fs/splice.c:508 [inline] [] __splice_from_pipe+0x1f1/0x330 fs/splice.c:652 [] splice_from_pipe fs/splice.c:687 [inline] [] generic_splice_sendpage+0x73/0xb0 fs/splice.c:835 [] do_splice_from fs/splice.c:856 [inline] [] direct_splice_actor+0x4f/0x70 fs/splice.c:1022 [] splice_direct_to_actor+0x14d/0x350 fs/splice.c:977 [] do_splice_direct+0xec/0x150 fs/splice.c:1065 [] do_sendfile+0x57f/0x7d0 fs/read_write.c:1255 [] __do_sys_sendfile64 fs/read_write.c:1323 [inline] [] __se_sys_sendfile64 fs/read_write.c:1309 [inline] [] __x64_sys_sendfile64+0xe6/0x100 fs/read_write.c:1309