memory leak in copy

memory leak in copy_process (4)

Status: closed as invalid on 2023/02/17 17:35
Subsystems: kernel
[Documentation on labels]
First crash: 517d, last: 517d

▶ ▼ Similar bugs (4)

Kernel	Title	Repro	Count	Last	Reported	Patched	Status
upstream	memory leak in copy_process kernel	C	23	1161d	1258d	19/26	fixed on 2021/03/10 01:48
upstream	memory leak in copy_process (2) kernel	C	2	1139d	1139d	20/26	fixed on 2021/11/10 00:50
upstream	memory leak in copy_process (5) kernel	C	1	420d	416d	22/26	fixed on 2023/06/08 14:41
upstream	memory leak in copy_process (3) kernel	C	2	626d	733d	0/26	closed as invalid on 2022/11/09 20:31

Sample crash report:

Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts.
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888106108680 (size 128):
  comm "syz-executor315", pid 3640, jiffies 4294946524 (age 13.160s)
  hex dump (first 32 bytes):
    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 00 00 00 00  ................
  backtrace:
    [<ffffffff81296ad6>] alloc_pid+0x66/0x560 kernel/pid.c:180
    [<ffffffff8125d748>] copy_process+0x1458/0x2400 kernel/fork.c:2269
    [<ffffffff8125e933>] kernel_clone+0xf3/0x5e0 kernel/fork.c:2671
    [<ffffffff8125ee9c>] __do_sys_clone+0x7c/0xb0 kernel/fork.c:2812
    [<ffffffff8485b3e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff8485b3e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/11/26 23:14	upstream	644e9524388a	74a66371	.config	console log	report	syz	C			ci-upstream-gce-leak	memory leak in copy_process

* ~~Struck through~~ repros no longer work on HEAD.