BUG: memory leak unreferenced object 0xffff8881123a3500 (size 240): comm "syz-executor.0", pid 3687, jiffies 4295048945 (age 8.620s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 40 10 81 88 ff ff 00 d8 8e 09 81 88 ff ff ..@............. backtrace: [] __alloc_skb+0x216/0x290 net/core/skbuff.c:414 [] alloc_skb include/linux/skbuff.h:1426 [inline] [] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:5992 [] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662 [] sock_alloc_send_skb include/net/sock.h:1845 [inline] [] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline] [] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline] [] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253 [] sock_sendmsg_nosec net/socket.c:714 [inline] [] sock_sendmsg+0x56/0x80 net/socket.c:734 [] sock_no_sendpage+0x8f/0xc0 net/core/sock.c:3161 [] kernel_sendpage net/socket.c:3571 [inline] [] kernel_sendpage+0xdc/0x310 net/socket.c:3565 [] sock_sendpage+0x40/0x50 net/socket.c:1054 [] pipe_to_sendpage+0xa2/0x110 fs/splice.c:364 [] splice_from_pipe_feed fs/splice.c:418 [inline] [] __splice_from_pipe+0x1e2/0x330 fs/splice.c:562 [] splice_from_pipe fs/splice.c:597 [inline] [] generic_splice_sendpage+0x6f/0xa0 fs/splice.c:746 [] do_splice_from fs/splice.c:767 [inline] [] direct_splice_actor+0x4b/0x70 fs/splice.c:936 [] splice_direct_to_actor+0x153/0x350 fs/splice.c:891 [] do_splice_direct+0xe8/0x150 fs/splice.c:979 [] do_sendfile+0x587/0x7f0 fs/read_write.c:1246 [] __do_sys_sendfile64 fs/read_write.c:1311 [inline] [] __se_sys_sendfile64 fs/read_write.c:1297 [inline] [] __x64_sys_sendfile64+0xe2/0x100 fs/read_write.c:1297 BUG: memory leak unreferenced object 0xffff8881123a3600 (size 240): comm "syz-executor.0", pid 3687, jiffies 4295048945 (age 8.620s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 40 10 81 88 ff ff 00 d8 8e 09 81 88 ff ff ..@............. backtrace: [] __alloc_skb+0x216/0x290 net/core/skbuff.c:414 [] alloc_skb include/linux/skbuff.h:1426 [inline] [] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:5992 [] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662 [] sock_alloc_send_skb include/net/sock.h:1845 [inline] [] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline] [] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline] [] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253 [] sock_sendmsg_nosec net/socket.c:714 [inline] [] sock_sendmsg+0x56/0x80 net/socket.c:734 [] sock_no_sendpage+0x8f/0xc0 net/core/sock.c:3161 [] kernel_sendpage net/socket.c:3571 [inline] [] kernel_sendpage+0xdc/0x310 net/socket.c:3565 [] sock_sendpage+0x40/0x50 net/socket.c:1054 [] pipe_to_sendpage+0xa2/0x110 fs/splice.c:364 [] splice_from_pipe_feed fs/splice.c:418 [inline] [] __splice_from_pipe+0x1e2/0x330 fs/splice.c:562 [] splice_from_pipe fs/splice.c:597 [inline] [] generic_splice_sendpage+0x6f/0xa0 fs/splice.c:746 [] do_splice_from fs/splice.c:767 [inline] [] direct_splice_actor+0x4b/0x70 fs/splice.c:936 [] splice_direct_to_actor+0x153/0x350 fs/splice.c:891 [] do_splice_direct+0xe8/0x150 fs/splice.c:979 [] do_sendfile+0x587/0x7f0 fs/read_write.c:1246 [] __do_sys_sendfile64 fs/read_write.c:1311 [inline] [] __se_sys_sendfile64 fs/read_write.c:1297 [inline] [] __x64_sys_sendfile64+0xe2/0x100 fs/read_write.c:1297 BUG: memory leak unreferenced object 0xffff88810dc88400 (size 1024): comm "syz-executor.0", pid 3687, jiffies 4295048945 (age 8.620s) 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: [] kmalloc_reserve net/core/skbuff.c:354 [inline] [] __alloc_skb+0xe3/0x290 net/core/skbuff.c:426 [] alloc_skb include/linux/skbuff.h:1426 [inline] [] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:5992 [] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662 [] sock_alloc_send_skb include/net/sock.h:1845 [inline] [] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline] [] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline] [] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253 [] sock_sendmsg_nosec net/socket.c:714 [inline] [] sock_sendmsg+0x56/0x80 net/socket.c:734 [] sock_no_sendpage+0x8f/0xc0 net/core/sock.c:3161 [] kernel_sendpage net/socket.c:3571 [inline] [] kernel_sendpage+0xdc/0x310 net/socket.c:3565 [] sock_sendpage+0x40/0x50 net/socket.c:1054 [] pipe_to_sendpage+0xa2/0x110 fs/splice.c:364 [] splice_from_pipe_feed fs/splice.c:418 [inline] [] __splice_from_pipe+0x1e2/0x330 fs/splice.c:562 [] splice_from_pipe fs/splice.c:597 [inline] [] generic_splice_sendpage+0x6f/0xa0 fs/splice.c:746 [] do_splice_from fs/splice.c:767 [inline] [] direct_splice_actor+0x4b/0x70 fs/splice.c:936 [] splice_direct_to_actor+0x153/0x350 fs/splice.c:891 [] do_splice_direct+0xe8/0x150 fs/splice.c:979 [] do_sendfile+0x587/0x7f0 fs/read_write.c:1246 [] __do_sys_sendfile64 fs/read_write.c:1311 [inline] [] __se_sys_sendfile64 fs/read_write.c:1297 [inline] [] __x64_sys_sendfile64+0xe2/0x100 fs/read_write.c:1297