BUG: memory leak unreferenced object 0xffff8880187ef2c0 (size 1544): comm "syz-executor.2", pid 298, jiffies 4296398522 (age 330.856s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0 f2 7e 18 80 88 ff ff d0 f2 7e 18 80 88 ff ff ..~.......~..... backtrace: [<0000000017a8311f>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<0000000017a8311f>] copy_signal kernel/fork.c:1624 [inline] [<0000000017a8311f>] copy_process+0x1fb8/0x6e20 kernel/fork.c:2173 [<00000000034462f0>] kernel_clone+0xe7/0xa60 kernel/fork.c:2620 [<00000000ac48aba8>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2737 [<000000005653157b>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000005653157b>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000f880e963>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff8880151c0000 (size 6592): comm "syz-executor.2", pid 18146, jiffies 4296398559 (age 330.819s) hex dump (first 32 bytes): 02 40 02 00 00 00 00 00 00 00 00 00 00 00 00 00 .@.............. 00 00 00 00 01 00 00 00 80 00 00 00 00 00 00 00 ................ backtrace: [<000000004dd911c9>] alloc_task_struct_node kernel/fork.c:171 [inline] [<000000004dd911c9>] dup_task_struct kernel/fork.c:885 [inline] [<000000004dd911c9>] copy_process+0x3011/0x6e20 kernel/fork.c:2006 [<00000000034462f0>] kernel_clone+0xe7/0xa60 kernel/fork.c:2620 [<00000000ac48aba8>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2737 [<000000005653157b>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000005653157b>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000f880e963>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88801dc2dcb0 (size 368): comm "syz-executor.2", pid 18146, jiffies 4296398618 (age 330.760s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 28 00 00 00 00 00 00 00 af e9 44 03 00 00 00 00 (.........D..... backtrace: [<000000009fd8f5a8>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<000000009fd8f5a8>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline] [<000000009fd8f5a8>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600 [<000000009c86bb09>] do_exit+0x8b1/0x2840 kernel/exit.c:778 [<000000006a1b32b8>] do_group_exit+0x128/0x330 kernel/exit.c:932 [<000000001da70015>] __do_sys_exit_group kernel/exit.c:943 [inline] [<000000001da70015>] __se_sys_exit_group kernel/exit.c:941 [inline] [<000000001da70015>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:941 [<000000005653157b>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000005653157b>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000f880e963>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: leak checking failed