BUG: memory leak unreferenced object 0xffff88812116a000 (size 8192): comm "syz-executor.4", pid 6650, jiffies 4294945473 hex dump (first 32 bytes): 00 a0 16 21 81 88 ff ff 00 a0 16 21 81 88 ff ff ...!.......!.... 00 00 00 00 00 00 00 00 00 00 dd 1b 81 88 ff ff ................ backtrace (crc 286a5dd9): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] __kmalloc_cache_noprof+0x35c/0x3f0 mm/slub.c:4391 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] j1939_priv_create net/can/j1939/main.c:131 [inline] j1939_netdev_start+0x160/0x6f0 net/can/j1939/main.c:268 j1939_sk_bind+0x222/0x550 net/can/j1939/socket.c:498 __sys_bind_socket net/socket.c:1858 [inline] __sys_bind_socket net/socket.c:1850 [inline] __sys_bind+0x132/0x160 net/socket.c:1889 __do_sys_bind net/socket.c:1894 [inline] __se_sys_bind net/socket.c:1892 [inline] __x64_sys_bind+0x1c/0x30 net/socket.c:1892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888121299b00 (size 240): comm "softirq", pid 0, jiffies 4294945474 hex dump (first 32 bytes): 68 00 d2 20 81 88 ff ff 68 00 d2 20 81 88 ff ff h.. ....h.. .... 00 00 dd 1b 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace (crc 3697b442): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] kmem_cache_alloc_node_noprof+0x354/0x3f0 mm/slub.c:4281 __alloc_skb+0x203/0x240 net/core/skbuff.c:659 alloc_skb include/linux/skbuff.h:1336 [inline] j1939_session_fresh_new net/can/j1939/transport.c:1532 [inline] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1628 [inline] j1939_xtp_rx_rts+0x3e4/0xb30 net/can/j1939/transport.c:1749 j1939_tp_cmd_recv net/can/j1939/transport.c:2071 [inline] j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2158 j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108 deliver net/can/af_can.c:575 [inline] can_rcv_filter+0xda/0x2c0 net/can/af_can.c:609 can_receive+0xf0/0x140 net/can/af_can.c:666 can_rcv+0xf6/0x130 net/can/af_can.c:690 __netif_receive_skb_one_core+0xe8/0x100 net/core/dev.c:5979 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6092 process_backlog+0xad/0x1b0 net/core/dev.c:6444 __napi_poll+0x46/0x3a0 net/core/dev.c:7497 napi_poll net/core/dev.c:7560 [inline] net_rx_action+0x4d1/0x590 net/core/dev.c:7687 handle_softirqs+0xde/0x2e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu kernel/softirq.c:680 [inline] irq_exit_rcu+0x9c/0xc0 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1050 BUG: memory leak unreferenced object 0xffff888121340000 (size 131072): comm "softirq", pid 0, jiffies 4294945474 hex dump (first 32 bytes): 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc f7abe560): ___kmalloc_large_node+0xc1/0x100 mm/slub.c:4319 __kmalloc_large_node_noprof+0x18/0xa0 mm/slub.c:4337 __do_kmalloc_node mm/slub.c:4353 [inline] __kmalloc_node_track_caller_noprof+0x37f/0x4f0 mm/slub.c:4384 kmalloc_reserve+0x96/0x180 net/core/skbuff.c:600 __alloc_skb+0xd4/0x240 net/core/skbuff.c:669 alloc_skb include/linux/skbuff.h:1336 [inline] j1939_session_fresh_new net/can/j1939/transport.c:1532 [inline] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1628 [inline] j1939_xtp_rx_rts+0x3e4/0xb30 net/can/j1939/transport.c:1749 j1939_tp_cmd_recv net/can/j1939/transport.c:2071 [inline] j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2158 j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108 deliver net/can/af_can.c:575 [inline] can_rcv_filter+0xda/0x2c0 net/can/af_can.c:609 can_receive+0xf0/0x140 net/can/af_can.c:666 can_rcv+0xf6/0x130 net/can/af_can.c:690 __netif_receive_skb_one_core+0xe8/0x100 net/core/dev.c:5979 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6092 process_backlog+0xad/0x1b0 net/core/dev.c:6444 __napi_poll+0x46/0x3a0 net/core/dev.c:7497 napi_poll net/core/dev.c:7560 [inline] net_rx_action+0x4d1/0x590 net/core/dev.c:7687 BUG: memory leak unreferenced object 0xffff888120d20000 (size 512): comm "softirq", pid 0, jiffies 4294945474 hex dump (first 32 bytes): 00 a0 16 21 81 88 ff ff 28 b0 16 21 81 88 ff ff ...!....(..!.... 28 b0 16 21 81 88 ff ff 18 00 d2 20 81 88 ff ff (..!....... .... backtrace (crc 3b86f784): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] __kmalloc_cache_noprof+0x35c/0x3f0 mm/slub.c:4391 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] j1939_session_new+0x55/0x1d0 net/can/j1939/transport.c:1495 j1939_session_fresh_new net/can/j1939/transport.c:1543 [inline] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1628 [inline] j1939_xtp_rx_rts+0x47a/0xb30 net/can/j1939/transport.c:1749 j1939_tp_cmd_recv net/can/j1939/transport.c:2071 [inline] j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2158 j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108 deliver net/can/af_can.c:575 [inline] can_rcv_filter+0xda/0x2c0 net/can/af_can.c:609 can_receive+0xf0/0x140 net/can/af_can.c:666 can_rcv+0xf6/0x130 net/can/af_can.c:690 __netif_receive_skb_one_core+0xe8/0x100 net/core/dev.c:5979 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6092 process_backlog+0xad/0x1b0 net/core/dev.c:6444 __napi_poll+0x46/0x3a0 net/core/dev.c:7497 napi_poll net/core/dev.c:7560 [inline] net_rx_action+0x4d1/0x590 net/core/dev.c:7687 handle_softirqs+0xde/0x2e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu kernel/softirq.c:680 [inline] irq_exit_rcu+0x9c/0xc0 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1050 BUG: memory leak unreferenced object 0xffff88812116c000 (size 8192): comm "syz-executor.0", pid 6653, jiffies 4294945474 hex dump (first 32 bytes): 00 c0 16 21 81 88 ff ff 00 c0 16 21 81 88 ff ff ...!.......!.... 00 00 00 00 00 00 00 00 00 80 07 1c 81 88 ff ff ................ backtrace (crc 679d7e80): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] __kmalloc_cache_noprof+0x35c/0x3f0 mm/slub.c:4391 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] j1939_priv_create net/can/j1939/main.c:131 [inline] j1939_netdev_start+0x160/0x6f0 net/can/j1939/main.c:268 j1939_sk_bind+0x222/0x550 net/can/j1939/socket.c:498 __sys_bind_socket net/socket.c:1858 [inline] __sys_bind_socket net/socket.c:1850 [inline] __sys_bind+0x132/0x160 net/socket.c:1889 __do_sys_bind net/socket.c:1894 [inline] __se_sys_bind net/socket.c:1892 [inline] __x64_sys_bind+0x1c/0x30 net/socket.c:1892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f