BUG: memory leak unreferenced object 0xffff88800c787a00 (size 176): comm "syz-executor.5", pid 296, jiffies 4294862307 (age 20.339s) hex dump (first 32 bytes): 02 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 00 00 00 00 00 00 ................ backtrace: [<00000000518507bb>] prepare_creds+0x2b/0x6f0 kernel/cred.c:260 [<00000000e9fb8855>] copy_creds+0x72/0x930 kernel/cred.c:365 [<000000008b2f344d>] copy_process+0x107e/0x6cb0 kernel/fork.c:2034 [<000000007cd9f718>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557 [<000000008a0e2405>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674 [<00000000f3cc8d14>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000f3cc8d14>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000d24cea6d>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88800891aac0 (size 32): comm "syz-executor.5", pid 296, jiffies 4294862307 (age 20.339s) hex dump (first 32 bytes): 01 00 00 00 01 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 00 00 ................ backtrace: [<00000000aa6d5151>] kmalloc include/linux/slab.h:586 [inline] [<00000000aa6d5151>] kzalloc include/linux/slab.h:715 [inline] [<00000000aa6d5151>] lsm_cred_alloc security/security.c:537 [inline] [<00000000aa6d5151>] security_prepare_creds+0x10a/0x180 security/security.c:1684 [<00000000ebb292ca>] prepare_creds+0x505/0x6f0 kernel/cred.c:291 [<00000000e9fb8855>] copy_creds+0x72/0x930 kernel/cred.c:365 [<000000008b2f344d>] copy_process+0x107e/0x6cb0 kernel/fork.c:2034 [<000000007cd9f718>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557 [<000000008a0e2405>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674 [<00000000f3cc8d14>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000f3cc8d14>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000d24cea6d>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888040cf6c00 (size 1544): comm "syz-executor.5", pid 296, jiffies 4294862307 (age 20.339s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 10 6c cf 40 80 88 ff ff 10 6c cf 40 80 88 ff ff .l.@.....l.@.... backtrace: [<000000008fc4d144>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<000000008fc4d144>] copy_signal kernel/fork.c:1618 [inline] [<000000008fc4d144>] copy_process+0x1f1a/0x6cb0 kernel/fork.c:2163 [<000000007cd9f718>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557 [<000000008a0e2405>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674 [<00000000f3cc8d14>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000f3cc8d14>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000d24cea6d>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88803fb15040 (size 6592): comm "syz-executor.5", pid 4352, jiffies 4294862315 (age 20.331s) 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 00 00 00 00 80 00 00 00 00 00 00 00 ................ backtrace: [<000000002cbbdf51>] alloc_task_struct_node kernel/fork.c:171 [inline] [<000000002cbbdf51>] dup_task_struct kernel/fork.c:885 [inline] [<000000002cbbdf51>] copy_process+0x2f73/0x6cb0 kernel/fork.c:2000 [<000000007cd9f718>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557 [<000000008a0e2405>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674 [<00000000f3cc8d14>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<00000000f3cc8d14>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 [<00000000d24cea6d>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88803fa4f0e0 (size 368): comm "syz-executor.5", pid 4356, jiffies 4294862427 (age 20.219s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 2b 00 00 00 00 00 00 00 6c 5a b2 05 00 00 00 00 +.......lZ...... backtrace: [<0000000088635083>] kmem_cache_zalloc include/linux/slab.h:705 [inline] [<0000000088635083>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline] [<0000000088635083>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600 [<0000000042cb64af>] do_exit+0x8b1/0x2840 kernel/exit.c:778 [<0000000057d4c656>] do_group_exit+0x128/0x330 kernel/exit.c:932 [<000000004ae0c507>] get_signal+0x494/0x26e0 kernel/signal.c:2868 [<000000000823067a>] arch_do_signal_or_restart+0x2b0/0x1720 arch/x86/kernel/signal.c:868 [<0000000006071e29>] handle_signal_work kernel/entry/common.c:148 [inline] [<0000000006071e29>] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] [<0000000006071e29>] exit_to_user_mode_prepare+0x143/0x1c0 kernel/entry/common.c:207 [<0000000073850f74>] __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] [<0000000073850f74>] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300 [<0000000036736a7c>] do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86 [<00000000d24cea6d>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: leak checking failed