------------[ cut here ]------------ kernel BUG at kernel/signal.c:2035! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25692 Comm: syz-executor.4 Not tainted 5.19.0-rc4-syzkaller-00044-g1a0e93df1e10 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2022 RIP: 0010:do_notify_parent+0xca5/0xe60 kernel/signal.c:2035 Code: 24 10 45 31 c0 b9 01 00 00 00 44 89 e7 48 8b 95 e0 05 00 00 e8 0c cb ff ff e9 14 fb ff ff e8 42 e6 2f 00 0f 0b e8 3b e6 2f 00 <0f> 0b e8 34 e6 2f 00 48 8d bd 08 06 00 00 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc900054bfa48 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 1ffff92000a97f4c RCX: 0000000000000000 RDX: ffff888078f4a080 RSI: ffffffff8149b145 RDI: 0000000000000007 RBP: ffff888078f4a080 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000008000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000008000000 R14: ffff888078f4a080 R15: ffff88807c656800 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565a5708 CR3: 000000002e725000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: exit_notify kernel/exit.c:688 [inline] do_exit+0x2023/0x2a00 kernel/exit.c:815 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 get_signal+0x2542/0x2600 kernel/signal.c:2857 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f98492ade31 Code: Unable to access opcode bytes at RIP 0x7f98492ade07. RSP: 002b:00007f984a4c60b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f984939bf60 RCX: 00007f98492ade31 RDX: 00007f984a4c60f0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f98492e305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffe3a6826bf R14: 00007f984a4c6300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_notify_parent+0xca5/0xe60 kernel/signal.c:2035 Code: 24 10 45 31 c0 b9 01 00 00 00 44 89 e7 48 8b 95 e0 05 00 00 e8 0c cb ff ff e9 14 fb ff ff e8 42 e6 2f 00 0f 0b e8 3b e6 2f 00 <0f> 0b e8 34 e6 2f 00 48 8d bd 08 06 00 00 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc900054bfa48 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 1ffff92000a97f4c RCX: 0000000000000000 RDX: ffff888078f4a080 RSI: ffffffff8149b145 RDI: 0000000000000007 RBP: ffff888078f4a080 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000008000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000008000000 R14: ffff888078f4a080 R15: ffff88807c656800 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565a5708 CR3: 000000002e725000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400