------------[ cut here ]------------ WARNING: CPU: 0 PID: 5572 at kernel/signal.c:369 task_participate_group_stop+0x239/0x300 kernel/signal.c:369 Modules linked in: CPU: 0 PID: 5572 Comm: 4 Not tainted 6.8.0-rc6-syzkaller-g805d849d7c3c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:task_participate_group_stop+0x239/0x300 kernel/signal.c:369 Code: 83 e0 cc 83 c8 01 41 89 04 24 b0 01 eb 07 e8 6e 47 37 00 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 58 47 37 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 0f 85 8b RSP: 0018:ffffc9000560fb48 EFLAGS: 00010093 RAX: ffffffff815c25f8 RBX: 1ffff1100420c375 RCX: ffff888021cfbb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff815c2528 R09: fffff52000ac1f6c R10: dffffc0000000000 R11: fffff52000ac1f6c R12: ffff888021061b00 R13: 1ffff1100439f81a R14: 0000000000060013 R15: ffff888021061ba8 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f6a86bb7d58 CR3: 000000007b1be000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_signal_stop+0x81e/0xaa0 kernel/signal.c:2487 get_signal+0xc3a/0x1850 kernel/signal.c:2740 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:105 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline] syscall_exit_to_user_mode+0xc8/0x360 kernel/entry/common.c:212 do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0023:0xb7000000 Code: Unable to access opcode bytes at 0xb6ffffd6. RSP: 002b:00000000ff8f23d0 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