------------[ cut here ]------------ WARNING: CPU: 1 PID: 5573 at kernel/signal.c:377 task_participate_group_stop+0x232/0x300 Modules linked in: CPU: 1 PID: 5573 Comm: file0 Not tainted 6.3.0-rc7-syzkaller-00191-g622322f53c6d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:task_participate_group_stop+0x232/0x300 kernel/signal.c:377 Code: 00 41 8b 04 24 83 e0 cc 83 c8 01 41 89 04 24 b0 01 eb 07 e8 60 a1 33 00 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e a1 33 00 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 0f 85 89 00 RSP: 0018:ffffc900056d7ba8 EFLAGS: 00010083 RAX: ffffffff8156d842 RBX: 1ffff110031695fd RCX: 0000000000040000 RDX: ffffc9000c07f000 RSI: 0000000000023429 RDI: 000000000002342a RBP: 0000000000000000 R08: ffffffff8156d776 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888018b4af40 R13: 1ffff110055797f9 R14: 0000000000060015 R15: ffff888018b4afe8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd68c5ad988 CR3: 00000000293fa000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_signal_stop+0x7be/0xa00 kernel/signal.c:2453 get_signal+0xc34/0x17e0 kernel/signal.c:2706 arch_do_signal_or_restart+0x91/0x670 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 002b:00007ffe4cce9400 EFLAGS: 00000200 ORIG_RAX: 000000000000003b 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