BUG: memory leak unreferenced object 0xffff888114778c00 (size 232): comm "syz-executor935", pid 13143, jiffies 4294979221 (age 19.460s) 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 c8 06 15 81 88 ff ff ................ backtrace: [<00000000bbcac428>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000bbcac428>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000bbcac428>] slab_alloc_node mm/slab.c:3261 [inline] [<00000000bbcac428>] kmem_cache_alloc_node+0x347/0x4c0 mm/slab.c:3599 [<000000006c78264f>] __alloc_skb+0x1b3/0x240 net/core/skbuff.c:414 [<00000000e251abcf>] alloc_skb include/linux/skbuff.h:1112 [inline] [<00000000e251abcf>] sock_wmalloc+0x51/0x80 net/core/sock.c:2312 [<00000000e02b210f>] pppoe_sendmsg+0xbb/0x250 drivers/net/ppp/pppoe.c:867 [<00000000d5c60386>] sock_sendmsg_nosec net/socket.c:703 [inline] [<00000000d5c60386>] sock_sendmsg+0x54/0x70 net/socket.c:723 [<0000000049a9024f>] ____sys_sendmsg+0x129/0x300 net/socket.c:2392 [<00000000a99bbb8b>] ___sys_sendmsg+0x90/0xd0 net/socket.c:2446 [<00000000e3d4727a>] __sys_sendmmsg+0x104/0x2c0 net/socket.c:2532 [<00000000b2485d86>] __do_sys_sendmmsg net/socket.c:2561 [inline] [<00000000b2485d86>] __se_sys_sendmmsg net/socket.c:2558 [inline] [<00000000b2485d86>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2558 [<00000000b90bdca0>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000b90bdca0>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<000000006f6b6772>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888114778c00 (size 232): comm "syz-executor935", pid 13143, jiffies 4294979221 (age 23.400s) 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 c8 06 15 81 88 ff ff ................ backtrace: [<00000000bbcac428>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000bbcac428>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000bbcac428>] slab_alloc_node mm/slab.c:3261 [inline] [<00000000bbcac428>] kmem_cache_alloc_node+0x347/0x4c0 mm/slab.c:3599 [<000000006c78264f>] __alloc_skb+0x1b3/0x240 net/core/skbuff.c:414 [<00000000e251abcf>] alloc_skb include/linux/skbuff.h:1112 [inline] [<00000000e251abcf>] sock_wmalloc+0x51/0x80 net/core/sock.c:2312 [<00000000e02b210f>] pppoe_sendmsg+0xbb/0x250 drivers/net/ppp/pppoe.c:867 [<00000000d5c60386>] sock_sendmsg_nosec net/socket.c:703 [inline] [<00000000d5c60386>] sock_sendmsg+0x54/0x70 net/socket.c:723 [<0000000049a9024f>] ____sys_sendmsg+0x129/0x300 net/socket.c:2392 [<00000000a99bbb8b>] ___sys_sendmsg+0x90/0xd0 net/socket.c:2446 [<00000000e3d4727a>] __sys_sendmmsg+0x104/0x2c0 net/socket.c:2532 [<00000000b2485d86>] __do_sys_sendmmsg net/socket.c:2561 [inline] [<00000000b2485d86>] __se_sys_sendmmsg net/socket.c:2558 [inline] [<00000000b2485d86>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2558 [<00000000b90bdca0>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000b90bdca0>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<000000006f6b6772>] entry_SYSCALL_64_after_hwframe+0x44/0xae