process '/newroot/6/file0' started with executable stack
------------[ cut here ]------------
WARNING: CPU: 1 PID: 601 at kernel/signal.c:370 task_participate_group_stop+0x242/0x300 kernel/signal.c:370
Modules linked in:
CPU: 1 UID: 0 PID: 601 Comm: file0 Not tainted syzkaller #0 be749619e3fb398c656338898aa4f44010ef11f4
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:370
Code: 74 08 4c 89 f7 e8 6e 05 82 00 4d 89 2e f0 83 44 24 fc 00 4c 89 f7 be 15 00 00 00 e8 48 b6 0e 00 e9 aa fe ff ff e8 be 6a 2f 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:ffffc900013e7c28 EFLAGS: 00010093
RAX: ffffffff81481602 RBX: 1ffff110237f85fe RCX: ffff88811f3d8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900013e7c58 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200027cf8c R12: ffff88811bfc2f80
R13: dffffc0000000000 R14: ffff88811bfc2ff0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007fd1895abf98 CR3: 0000000120f1c000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 do_signal_stop+0x639/0x840 kernel/signal.c:2501
 get_signal+0xaba/0x14f0 kernel/signal.c:2765
 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:00000000ffe5fd30 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 ]---