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WARNING: kernel/signal.c:373 at task_participate_group_stop+0x215/0x2d0 kernel/signal.c:373, CPU#0: memfd:[ÛX®[©ýþ/6435
Modules linked in:
CPU: 0 UID: 0 PID: 6435 Comm: memfd:[ÛX®[©ýþ Not tainted 6.16.0-rc2-next-20250620-syzkaller-04336-g5d4809e25903 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:task_participate_group_stop+0x215/0x2d0 kernel/signal.c:373
Code: c0 41 89 04 24 b0 01 eb 07 e8 a7 fc 37 00 31 c0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d2 d5 e7 09 cc e8 8c fc 37 00 90 <0f> 0b 90 43 0f b6 04 2f 84 c0 0f 85 8b 00 00 00 41 8b 2e e9 4d ff
RSP: 0018:ffffc900052cfbd8 EFLAGS: 00010093
RAX: ffffffff81885c54 RBX: 0000000000060014 RCX: ffff88802cdcda00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000a59f70 R12: ffff888029d4c380
R13: dffffc0000000000 R14: ffff888029d4c428 R15: 1ffff110053a9885
FS:  0000000000000000(0000) GS:ffff888125c26000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000005580c0 CR3: 0000000074842000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_signal_stop+0x4bc/0x6c0 kernel/signal.c:2617
 get_signal+0xa8e/0x1340 kernel/signal.c:2881
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0023:0xb7000000
Code: Unable to access opcode bytes at 0xb6ffffd6.
RSP: 002b:00000000fff7f3b0 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>