BUG: memory leak unreferenced object 0xffff88804078d7c0 (size 1544): comm "syz-executor.7", pid 6112, jiffies 4295427130 (age 25.232s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0 d7 78 40 80 88 ff ff d0 d7 78 40 80 88 ff ff ..x@......x@.... backtrace: [<000000003e7ab0fd>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<000000003e7ab0fd>] copy_signal kernel/fork.c:1616 [inline] [<000000003e7ab0fd>] copy_process+0x1f1a/0x6cb0 kernel/fork.c:2161 [<00000000cd17cf6a>] kernel_clone+0xe7/0xa60 kernel/fork.c:2555 [<00000000047a030a>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2672 [<000000008dc3f781>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000008dc3f781>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000a8bcb87c>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88803dfa9ac0 (size 6592): comm "syz-executor.7", pid 7086, jiffies 4295427202 (age 25.160s) hex dump (first 32 bytes): 02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@.............. 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 ................ backtrace: [<0000000071a7a5df>] alloc_task_struct_node kernel/fork.c:171 [inline] [<0000000071a7a5df>] dup_task_struct kernel/fork.c:883 [inline] [<0000000071a7a5df>] copy_process+0x2f73/0x6cb0 kernel/fork.c:1998 [<00000000cd17cf6a>] kernel_clone+0xe7/0xa60 kernel/fork.c:2555 [<00000000047a030a>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2672 [<000000008dc3f781>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000008dc3f781>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000a8bcb87c>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88801e840000 (size 368): comm "syz-executor.7", pid 7086, jiffies 4295427219 (age 25.143s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 30 00 00 00 00 00 00 00 6e 51 1d 05 00 00 00 00 0.......nQ...... backtrace: [<0000000070391f25>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<0000000070391f25>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline] [<0000000070391f25>] taskstats_exit+0x5c6/0xab0 kernel/taskstats.c:600 [<0000000046fc38d6>] do_exit+0x8a9/0x2830 kernel/exit.c:791 [<00000000998c7023>] do_group_exit+0xd2/0x2f0 kernel/exit.c:935 [<0000000014cba345>] __do_sys_exit_group kernel/exit.c:946 [inline] [<0000000014cba345>] __se_sys_exit_group kernel/exit.c:944 [inline] [<0000000014cba345>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:944 [<000000008dc3f781>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<000000008dc3f781>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000a8bcb87c>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: leak checking failed