BUG: memory leak unreferenced object 0xffff888121a3d000 (size 1024): comm "syz-executor.2", pid 6356, jiffies 4294959339 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 e4d992f3): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] __do_kmalloc_node mm/slub.c:3980 [inline] [] __kmalloc+0x2cf/0x410 mm/slub.c:3994 [] kmalloc include/linux/slab.h:594 [inline] [] sk_prot_alloc+0x112/0x1b0 net/core/sock.c:2078 [] sk_alloc+0x36/0x2f0 net/core/sock.c:2131 [] can_create+0x194/0x320 net/can/af_can.c:158 [] __sock_create+0x19f/0x2e0 net/socket.c:1571 [] sock_create net/socket.c:1622 [inline] [] __sys_socket_create net/socket.c:1659 [inline] [] __sys_socket+0xb8/0x1a0 net/socket.c:1706 [] __do_sys_socket net/socket.c:1720 [inline] [] __se_sys_socket net/socket.c:1718 [inline] [] __x64_sys_socket+0x1b/0x20 net/socket.c:1718 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff888122ad1d30 (size 16): comm "syz-executor.2", pid 6356, jiffies 4294959339 hex dump (first 16 bytes): 00 43 89 00 81 88 ff ff 00 00 00 00 00 00 00 00 .C.............. backtrace (crc 68eb2dac): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmalloc_trace+0x283/0x330 mm/slub.c:4007 [] kmalloc include/linux/slab.h:590 [inline] [] kzalloc include/linux/slab.h:711 [inline] [] apparmor_sk_alloc_security+0x52/0xd0 security/apparmor/lsm.c:1064 [] security_sk_alloc+0x47/0x80 security/security.c:4654 [] sk_prot_alloc+0x12d/0x1b0 net/core/sock.c:2081 [] sk_alloc+0x36/0x2f0 net/core/sock.c:2131 [] can_create+0x194/0x320 net/can/af_can.c:158 [] __sock_create+0x19f/0x2e0 net/socket.c:1571 [] sock_create net/socket.c:1622 [inline] [] __sys_socket_create net/socket.c:1659 [inline] [] __sys_socket+0xb8/0x1a0 net/socket.c:1706 [] __do_sys_socket net/socket.c:1720 [inline] [] __se_sys_socket net/socket.c:1718 [inline] [] __x64_sys_socket+0x1b/0x20 net/socket.c:1718 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff8881248bc000 (size 8192): comm "syz-executor.2", pid 6356, jiffies 4294959339 hex dump (first 32 bytes): 00 c0 8b 24 81 88 ff ff 00 c0 8b 24 81 88 ff ff ...$.......$.... 00 00 00 00 00 00 00 00 00 80 f3 0f 81 88 ff ff ................ backtrace (crc a89a2d4b): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmalloc_trace+0x283/0x330 mm/slub.c:4007 [] kmalloc include/linux/slab.h:590 [inline] [] kzalloc include/linux/slab.h:711 [inline] [] j1939_priv_create net/can/j1939/main.c:135 [inline] [] j1939_netdev_start+0x159/0x6f0 net/can/j1939/main.c:272 [] j1939_sk_bind+0x21e/0x550 net/can/j1939/socket.c:485 [] __sys_bind+0x11c/0x130 net/socket.c:1847 [] __do_sys_bind net/socket.c:1858 [inline] [] __se_sys_bind net/socket.c:1856 [inline] [] __x64_sys_bind+0x1c/0x20 net/socket.c:1856 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff888121d12e00 (size 512): comm "syz-executor.2", pid 6356, jiffies 4294959339 hex dump (first 32 bytes): 00 c0 8b 24 81 88 ff ff 08 2e d1 21 81 88 ff ff ...$.......!.... 08 2e d1 21 81 88 ff ff 18 2e d1 21 81 88 ff ff ...!.......!.... backtrace (crc 1448cdf4): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmalloc_trace+0x283/0x330 mm/slub.c:4007 [] kmalloc include/linux/slab.h:590 [inline] [] kzalloc include/linux/slab.h:711 [inline] [] j1939_session_new+0x53/0x140 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:1140 [inline] [] j1939_sk_sendmsg+0x4a3/0x7f0 net/can/j1939/socket.c:1263 [] sock_sendmsg_nosec net/socket.c:730 [inline] [] __sock_sendmsg+0x52/0xa0 net/socket.c:745 [] ____sys_sendmsg+0x365/0x470 net/socket.c:2584 [] ___sys_sendmsg+0xc9/0x130 net/socket.c:2638 [] __sys_sendmsg+0xa6/0x120 net/socket.c:2667 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b