------------[ cut here ]------------ WARNING: CPU: 0 PID: 4173 at kernel/signal.c:377 task_participate_group_stop+0x29e/0x310 kernel/signal.c:377 Modules linked in: CPU: 0 PID: 4173 Comm: 4 Not tainted 6.0.0-rc5-syzkaller-00094-ga335366bad13 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:task_participate_group_stop+0x29e/0x310 kernel/signal.c:377 Code: 00 f0 83 44 24 fc 00 be 15 00 00 00 4c 89 ef e8 a8 87 11 00 e9 4c fe ff ff e8 3e 37 31 00 0f 0b e9 f2 fd ff ff e8 32 37 31 00 <0f> 0b e9 a3 fe ff ff e8 26 37 31 00 0f 0b e9 47 ff ff ff 48 89 ef RSP: 0018:ffffc90005d57c08 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888025215880 RSI: ffffffff814ad1ee RDI: 0000000000000005 RBP: ffff888021578768 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880215786c0 R13: ffff888025215e08 R14: 0000000000040000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000b7000000 CR3: 00000000645c8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_signal_stop+0x40f/0x890 kernel/signal.c:2452 get_signal+0xdd5/0x2610 kernel/signal.c:2704 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0023:0xb7000000 Code: Unable to access opcode bytes at RIP 0xb6ffffd6. RSP: 002b:00000000ffbd6ed0 EFLAGS: 00000200 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