syzbot

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WARNING: CPU: 1 PID: 5924 at kernel/signal.c:772 signal_wake_up_state kernel/signal.c:772 [inline]
WARNING: CPU: 1 PID: 5924 at kernel/signal.c:772 signal_wake_up include/linux/sched/signal.h:457 [inline]
WARNING: CPU: 1 PID: 5924 at kernel/signal.c:772 zap_other_threads+0x391/0x440 kernel/signal.c:1396
Modules linked in:
CPU: 1 PID: 5924 Comm: file0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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+0x391/0x440 kernel/signal.c:1396
Code: 8a 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 c9 03 11 00 e9 82 fd ff ff e8 2f a7 32 00 <0f> 0b e9 23 ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 8c fd ff
RSP: 0000:ffffc90003337c00 EFLAGS: 00010093
RAX: ffffffff81547531 RBX: 1ffff110053d0bec RCX: ffff888029e80000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000109 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000666f68 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888029e85a00
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000097 CR3: 0000000074fdd000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 do_group_exit+0x197/0x2d0 kernel/exit.c:1019
 get_signal+0x12fc/0x13f0 kernel/signal.c:2902
 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:315
 exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0023:0x97
Code: Unable to access opcode bytes at 0x6d.
RSP: 002b:00000000ff908350 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
 </TASK>