syzbot

------------[ cut here ]------------
kernel BUG at drivers/android/binder.c:1173!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 5119 Comm: syz-executor139 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1173 [inline]
RIP: 0010:binder_inc_ref_for_node+0x1051/0x11f0 drivers/android/binder.c:1476
Code: f9 e9 2c f3 ff ff 48 8b 7c 24 10 e8 99 6f 68 f9 e9 30 fe ff ff 48 8b 7c 24 60 e8 ba 6f 68 f9 e9 ae fc ff ff e8 30 6d 0b f9 90 <0f> 0b e8 68 70 68 f9 e9 15 fb ff ff 4c 89 e7 e8 3b 6f 68 f9 e9 32
RSP: 0018:ffffc90004977920 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888022a57410 RCX: ffffffff8880240f
RDX: ffff8880187e0000 RSI: ffffffff88802c90 RDI: 0000000000000004
RBP: ffffc900049779b0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888015548200
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055556b35f380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ac87260e0 CR3: 000000007a9c0000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 binder_thread_write+0x248d/0x3ac0 drivers/android/binder.c:3944
 binder_ioctl_write_read drivers/android/binder.c:5161 [inline]
 binder_ioctl+0x2250/0x6b10 drivers/android/binder.c:5447
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x196/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4ac86af1e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf8fb0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ac86af1e9
RDX: 00000000200003c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 0000000000000000 R08: 000055556b360610 R09: 000055556b360610
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ac86fd0dc
R13: 00007f4ac86f80a3 R14: 00007ffdf8fb0050 R15: 00007ffdf8fb0040
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1173 [inline]
RIP: 0010:binder_inc_ref_for_node+0x1051/0x11f0 drivers/android/binder.c:1476
Code: f9 e9 2c f3 ff ff 48 8b 7c 24 10 e8 99 6f 68 f9 e9 30 fe ff ff 48 8b 7c 24 60 e8 ba 6f 68 f9 e9 ae fc ff ff e8 30 6d 0b f9 90 <0f> 0b e8 68 70 68 f9 e9 15 fb ff ff 4c 89 e7 e8 3b 6f 68 f9 e9 32
RSP: 0018:ffffc90004977920 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888022a57410 RCX: ffffffff8880240f
RDX: ffff8880187e0000 RSI: ffffffff88802c90 RDI: 0000000000000004
RBP: ffffc900049779b0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888015548200
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055556b35f380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ac87260e0 CR3: 000000007a9c0000 CR4: 0000000000350ef0