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この前見つけたsys_lsetxattr()の流れでメモリリークがあるやつはlkmlに投げたけど、sys_clone()の流れでメモリリークなんてパターンがレポートされてた。
unreferenced object 0xffff88011356e2e0 (size 184): comm "mandb", pid 11615, jiffies 4299726380 (age 870.755s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 01 00 01 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... backtrace: [<ffffffff814cb1e0>] kmemleak_alloc+0x73/0x98 [<ffffffff811272a4>] kmem_cache_alloc_node+0xb9/0x153 [<ffffffff8122a0f1>] create_io_context_slowpath+0x25/0x119 [<ffffffff8122a23e>] create_io_context+0x59/0x69 [<ffffffff8122a2cc>] get_task_io_context+0x7e/0x92 [<ffffffff81044f44>] copy_process+0xad9/0x1244 [<ffffffff810457fa>] do_fork+0x110/0x289 [<ffffffff81016b49>] sys_clone+0x28/0x2a [<ffffffff814f0143>] stub_clone+0x13/0x20 [<ffffffffffffffff>] 0xffffffffffffffff
