process 'syz.0.17' launched './file0' with NULL argv: empty string added process '/newroot/0/file0' started with executable stack ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5952 at kernel/signal.c:772 signal_wake_up_state kernel/signal.c:772 [inline] WARNING: CPU: 0 PID: 5952 at kernel/signal.c:772 signal_wake_up include/linux/sched/signal.h:457 [inline] WARNING: CPU: 0 PID: 5952 at kernel/signal.c:772 zap_other_threads+0x38e/0x440 kernel/signal.c:1396 Modules linked in: CPU: 0 PID: 5952 Comm: file0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:signal_wake_up_state kernel/signal.c:772 [inline] RIP: 0010:signal_wake_up include/linux/sched/signal.h:457 [inline] RIP: 0010:zap_other_threads+0x38e/0x440 kernel/signal.c:1396 Code: 89 00 48 81 e5 ff ff c0 ff 49 89 6d 00 f0 83 44 24 fc 00 4c 89 ef be 15 00 00 00 e8 ac c3 10 00 e9 85 fd ff ff e8 c2 01 32 00 <0f> 0b e9 26 ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 8f fd ff RSP: 0000:ffffc900032b7c20 EFLAGS: 00010093 RAX: ffffffff8153890e RBX: 1ffff1100f8a80ac RCX: ffff88807c541e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000109 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000656f6c R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff88807c540000 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000000025d CR3: 0000000077333000 CR4: 00000000003506f0 Call Trace: do_group_exit+0x197/0x2d0 kernel/exit.c:1019 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:315 exc_page_fault+0x8f/0x110 arch/x86/mm/fault.c:1524 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0023:0x25d Code: Unable to access opcode bytes at 0x233. RSP: 002b:00000000ff887e70 EFLAGS: 00010202 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