BUG: memory leak unreferenced object 0xffff8881218ea000 (size 8192): comm "syz-executor.1", pid 6680, jiffies 4294946318 hex dump (first 32 bytes): 00 a0 8e 21 81 88 ff ff 00 a0 8e 21 81 88 ff ff ...!.......!.... 00 00 00 00 00 00 00 00 00 00 f0 0f 81 88 ff ff ................ backtrace (crc 5801533c): kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4196 [inline] __kmalloc_cache_noprof+0x325/0x3d0 mm/slub.c:4353 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:497 __sys_bind_socket net/socket.c:1810 [inline] __sys_bind_socket net/socket.c:1802 [inline] __sys_bind+0x13c/0x160 net/socket.c:1841 __do_sys_bind net/socket.c:1846 [inline] __se_sys_bind net/socket.c:1844 [inline] __x64_sys_bind+0x1c/0x30 net/socket.c:1844 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x9e/0x1d0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888120fb4700 (size 240): comm "softirq", pid 0, jiffies 4294946318 hex dump (first 32 bytes): 68 90 a7 20 81 88 ff ff 68 90 a7 20 81 88 ff ff h.. ....h.. .... 00 00 f0 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace (crc 446f0ad6): kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4196 [inline] kmem_cache_alloc_node_noprof+0x321/0x3f0 mm/slub.c:4248 __alloc_skb+0x203/0x240 net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [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+0xdd/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+0xeb/0x100 net/core/dev.c:5887 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6000 process_backlog+0xad/0x1b0 net/core/dev.c:6352 __napi_poll+0x43/0x3a0 net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x464/0x5a0 net/core/dev.c:7510 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:1049 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1049 BUG: memory leak unreferenced object 0xffff888120a79000 (size 512): comm "softirq", pid 0, jiffies 4294946318 hex dump (first 32 bytes): 00 a0 8e 21 81 88 ff ff 28 b0 8e 21 81 88 ff ff ...!....(..!.... 28 b0 8e 21 81 88 ff ff 18 90 a7 20 81 88 ff ff (..!....... .... backtrace (crc 5f9c7b62): kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4196 [inline] __kmalloc_cache_noprof+0x325/0x3d0 mm/slub.c:4353 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+0xdd/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+0xeb/0x100 net/core/dev.c:5887 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6000 process_backlog+0xad/0x1b0 net/core/dev.c:6352 __napi_poll+0x43/0x3a0 net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x464/0x5a0 net/core/dev.c:7510 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:1049 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1049 BUG: memory leak unreferenced object 0xffff888121c00000 (size 8192): comm "syz-executor.7", pid 6685, jiffies 4294946320 hex dump (first 32 bytes): 00 00 c0 21 81 88 ff ff 00 00 c0 21 81 88 ff ff ...!.......!.... 00 00 00 00 00 00 00 00 00 00 d2 14 81 88 ff ff ................ backtrace (crc 35ffe582): kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4196 [inline] __kmalloc_cache_noprof+0x325/0x3d0 mm/slub.c:4353 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:497 __sys_bind_socket net/socket.c:1810 [inline] __sys_bind_socket net/socket.c:1802 [inline] __sys_bind+0x13c/0x160 net/socket.c:1841 __do_sys_bind net/socket.c:1846 [inline] __se_sys_bind net/socket.c:1844 [inline] __x64_sys_bind+0x1c/0x30 net/socket.c:1844 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x9e/0x1d0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888120fb0a00 (size 240): comm "softirq", pid 0, jiffies 4294946320 hex dump (first 32 bytes): 68 fc ca 20 81 88 ff ff 68 fc ca 20 81 88 ff ff h.. ....h.. .... 00 00 d2 14 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace (crc b6c35a87): kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4196 [inline] kmem_cache_alloc_node_noprof+0x321/0x3f0 mm/slub.c:4248 __alloc_skb+0x203/0x240 net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [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+0xdd/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+0xeb/0x100 net/core/dev.c:5887 __netif_receive_skb+0x1d/0x80 net/core/dev.c:6000 process_backlog+0xad/0x1b0 net/core/dev.c:6352 __napi_poll+0x43/0x3a0 net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x464/0x5a0 net/core/dev.c:7510 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:1049 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1049