binder: 6564:6567 unknown command 0 binder: 6564:6567 ioctl c0306201 20000080 returned -22 ------------[ cut here ]------------ kernel BUG at drivers/android/binder.c:1173! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 6567 Comm: syz.4.195 Not tainted 6.11.0-rc2-syzkaller-00257-g5189dafa4cf9 #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 c9 e4 48 f9 e9 30 fe ff ff 48 8b 7c 24 60 e8 ea e4 48 f9 e9 ae fc ff ff e8 f0 fc ea f8 90 <0f> 0b e8 98 e5 48 f9 e9 15 fb ff ff 4c 89 e7 e8 6b e4 48 f9 e9 32 RSP: 0018:ffffc90003d57920 EFLAGS: 00010283 RAX: 00000000000019c7 RBX: ffff88801f29a810 RCX: ffffc9000d5c8000 RDX: 0000000000040000 RSI: ffffffff88a0c750 RDI: 0000000000000004 RBP: ffffc90003d579b0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806cf94b00 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007ff6819296c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000061bac000 CR4: 0000000000350ef0 Call Trace: 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: 0033:0x7ff680b779f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff681929038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff680d05f80 RCX: 00007ff680b779f9 RDX: 00000000200003c0 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 00007ff680be58ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff680d05f80 R15: 00007ffdc845c9c8 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 c9 e4 48 f9 e9 30 fe ff ff 48 8b 7c 24 60 e8 ea e4 48 f9 e9 ae fc ff ff e8 f0 fc ea f8 90 <0f> 0b e8 98 e5 48 f9 e9 15 fb ff ff 4c 89 e7 e8 6b e4 48 f9 e9 32 RSP: 0018:ffffc90003d57920 EFLAGS: 00010283 RAX: 00000000000019c7 RBX: ffff88801f29a810 RCX: ffffc9000d5c8000 RDX: 0000000000040000 RSI: ffffffff88a0c750 RDI: 0000000000000004 RBP: ffffc90003d579b0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806cf94b00 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007ff6819296c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000061bac000 CR4: 0000000000350ef0