executing program BUG: memory leak unreferenced object 0xffff888112e32300 (size 224): comm "syz-executor151", pid 7009, jiffies 4294941586 (age 12.860s) hex dump (first 32 bytes): 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 bc ee 21 81 88 ff ff ...........!.... backtrace: [<0000000043301b2a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000043301b2a>] slab_post_alloc_hook mm/slab.h:522 [inline] [<0000000043301b2a>] slab_alloc_node mm/slab.c:3262 [inline] [<0000000043301b2a>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3574 [<000000003379e21b>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000dc203795>] alloc_skb include/linux/skbuff.h:1055 [inline] [<00000000dc203795>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2075 [<00000000edc60109>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866 [<000000007e0225b1>] sock_sendmsg_nosec net/socket.c:637 [inline] [<000000007e0225b1>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<0000000001acd7b2>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2311 [<000000000dbaa7d0>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2413 [<00000000a0b4606a>] __do_sys_sendmmsg net/socket.c:2442 [inline] [<00000000a0b4606a>] __se_sys_sendmmsg net/socket.c:2439 [inline] [<00000000a0b4606a>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2439 [<000000005fa1bcb6>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<000000006cb2c021>] entry_SYSCALL_64_after_hwframe+0x44/0xa9