binder: 2571:2572 ioctl c0306201 200000000080 returned -14 ------------[ cut here ]------------ kernel BUG at drivers/android/binder.c:1330! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2572 Comm: syz.8.569 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline] RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642 Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 14 fa 10 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 84 d1 fd <0f> 0b 65 8b 05 bc cd 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 59 e9 RSP: 0018:ffffc90000de7370 EFLAGS: 00010283 RAX: ffffffff83984383 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90001331000 RSI: 0000000000000036 RDI: 0000000000000037 RBP: ffffc90000de7410 R08: ffff88812ebc173f R09: ffff88812ebc1730 R10: dffffc0000000000 R11: ffffed1025d782e8 R12: dffffc0000000000 R13: ffff888126eb0128 R14: ffff888126eb0110 R15: 0000000000000000 FS: 00007f87bc93e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 0000000110209000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: binder_thread_write+0x1497/0x6fe0 drivers/android/binder.c:4239 binder_ioctl_write_read+0x203/0x6700 drivers/android/binder.c:5579 binder_ioctl+0x36c/0x1df0 drivers/android/binder.c:5905 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:860 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f87bdee5159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f87bc93e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f87be16cfa0 RCX: 00007f87bdee5159 RDX: 00002000000003c0 RSI: 00000000c0306201 RDI: 0000000000000004 RBP: 00007f87bdf7c06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f87be16d038 R14: 00007f87be16cfa0 R15: 00007ffd63ca6858 Modules linked in: ---[ end trace 3435734381008fce ]--- RIP: 0010:binder_get_ref_for_node_olocked drivers/android/binder.c:1330 [inline] RIP: 0010:binder_inc_ref_for_node+0x10b3/0x11c0 drivers/android/binder.c:1642 Code: ff ff 48 89 df 41 89 f5 41 89 d7 41 89 ce e8 14 fa 10 fe 44 89 f1 4c 8b 75 c8 44 89 fa 44 89 ee e9 a3 fe ff ff e8 1d 84 d1 fd <0f> 0b 65 8b 05 bc cd 69 7c 41 89 c5 c1 e8 06 48 8d 3c c5 a8 59 e9 RSP: 0018:ffffc90000de7370 EFLAGS: 00010283 RAX: ffffffff83984383 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90001331000 RSI: 0000000000000036 RDI: 0000000000000037 RBP: ffffc90000de7410 R08: ffff88812ebc173f R09: ffff88812ebc1730 R10: dffffc0000000000 R11: ffffed1025d782e8 R12: dffffc0000000000 R13: ffff888126eb0128 R14: ffff888126eb0110 R15: 0000000000000000 FS: 00007f87bc93e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 0000000110209000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400