WARNING in task_participate_group

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	WARNING in task_participate_group_stop	-1	C		inconclusive	8	1094d	2116d	0/1	upstream: reported C repro on 2019/12/02 14:36
upstream	WARNING in task_participate_group_stop (2) kernel	-1	C	inconclusive	unreliable	21	88d	2698d	0/29	upstream: reported C repro on 2018/04/29 17:00
android-414	WARNING in task_participate_group_stop	-1	C			2	2387d	2351d	0/1	public: reported C repro on 2019/04/12 00:01
android-44	WARNING in task_participate_group_stop (2)	-1	C			4	2387d	2350d	0/2	public: reported C repro on 2019/04/13 00:00
android-49	WARNING in task_participate_group_stop	-1	C			15	2807d	2964d	2/3	fixed on 2018/02/06 12:55
upstream	WARNING in task_participate_group_stop	-1	C			29	2864d	2879d	4/29	fixed on 2018/02/02 04:39
linux-4.19	WARNING in task_participate_group_stop	-1	C		error	11	1095d	2116d	0/1	upstream: reported C repro on 2019/12/02 13:46
android-44	WARNING in task_participate_group_stop	-1	C			10	2816d	2823d	2/2	fixed on 2018/02/06 10:09
android-49	WARNING in task_participate_group_stop (2)	-1	C			11	2116d	2349d	0/3	public: reported C repro on 2019/04/14 00:00

------------[ cut here ]------------ WARNING: CPU: 0 PID: 1119 at kernel/signal.c:375 task_participate_group_stop+0x242/0x300 kernel/signal.c:375 Modules linked in: CPU: 0 UID: 0 PID: 1119 Comm: file0 Not tainted syzkaller #0 fee5265d319350b22cf00991634aaaf1de34201c Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:task_participate_group_stop+0x242/0x300 kernel/signal.c:375 Code: 74 08 4c 89 f7 e8 2e 86 89 00 4d 89 2e f0 83 44 24 fc 00 4c 89 f7 be 15 00 00 00 e8 18 61 10 00 e9 aa fe ff ff e8 2e 50 33 00 <0f> 0b 42 0f b6 04 2b 84 c0 0f 85 8c 00 00 00 45 8b 3e e9 ee fe ff RSP: 0018:ffffc900027bfc28 EFLAGS: 00010093 RAX: ffffffff815293e2 RBX: 1ffff110212e380e RCX: ffff88812f592600 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900027bfc58 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520004f7f8c R12: ffff88810971c000 R13: dffffc0000000000 R14: ffff88810971c070 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ffc39fa0 CR3: 000000010f3f2000 CR4: 00000000003526b0 Call Trace: <TASK> do_signal_stop+0x639/0x840 kernel/signal.c:2516 get_signal+0xaba/0x14f0 kernel/signal.c:2780 arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x58/0xb0 kernel/entry/common.c:218 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0023:0x3ba Code: Unable to access opcode bytes at 0x390. RSP: 002b:00000000ffc39fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000000b RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ---[ end trace 0000000000000000 ]---

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/09/15 18:42	android16-6.12	78993dd6e8f8	e2beed91	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image]	ci2-android-6-12-rust	WARNING in task_participate_group_stop

Crashes (1):

Assets (help?)