[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.241' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 41.603074][ T7032] ------------[ cut here ]------------ [ 41.608684][ T7032] WARNING: CPU: 1 PID: 7032 at drivers/android/binder.c:2349 binder_transaction_buffer_release+0x1619/0x1920 [ 41.620208][ T7032] Kernel panic - not syncing: panic_on_warn set ... [ 41.626821][ T7032] CPU: 1 PID: 7032 Comm: syz-executor675 Not tainted 5.7.0-rc6-syzkaller #0 [ 41.635506][ T7032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.645536][ T7032] Call Trace: [ 41.648807][ T7032] dump_stack+0x1e9/0x30e [ 41.653126][ T7032] panic+0x264/0x7a0 [ 41.657006][ T7032] ? __warn+0x102/0x210 [ 41.661148][ T7032] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.667800][ T7032] __warn+0x209/0x210 [ 41.671776][ T7032] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.678435][ T7032] report_bug+0x1ac/0x2d0 [ 41.682744][ T7032] do_error_trap+0xca/0x1c0 [ 41.687227][ T7032] do_invalid_op+0x32/0x40 [ 41.691617][ T7032] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.698265][ T7032] invalid_op+0x23/0x30 [ 41.702402][ T7032] RIP: 0010:binder_transaction_buffer_release+0x1619/0x1920 [ 41.709750][ T7032] Code: fb 48 bd 00 00 00 00 00 fc ff df 48 c7 c7 2e 6f 05 89 8b 74 24 0c 4c 89 fa 31 c0 e8 ae 09 34 fb e9 83 f1 ff ff e8 a7 d4 4a fb <0f> 0b e9 e9 f2 ff ff 3c 03 0f 8f ea ee ff ff 4c 89 f7 e8 70 ce 88 [ 41.729348][ T7032] RSP: 0018:ffffc90000eb7910 EFLAGS: 00010293 [ 41.735405][ T7032] RAX: ffffffff8628a229 RBX: ffff8880a8e0eb18 RCX: ffff8880a8e0e600 [ 41.743452][ T7032] RDX: 0000000000000000 RSI: ffffffff8959c990 RDI: ffffc90000eb79e0 [ 41.751414][ T7032] RBP: ffff88808a1d65c0 R08: 0000000000000005 R09: ffffffff86289268 [ 41.759377][ T7032] R10: ffff8880a8e0e600 R11: 0000000000000007 R12: ffff8880a7abd080 [ 41.767359][ T7032] R13: ffffc90000eb79c8 R14: 0000000000000058 R15: 0000000000000000 [ 41.775368][ T7032] ? binder_transaction_buffer_release+0x658/0x1920 [ 41.781938][ T7032] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.788616][ T7032] ? check_preemption_disabled+0x40/0x240 [ 41.794360][ T7032] ? rcu_read_lock_sched_held+0x106/0x170 [ 41.800069][ T7032] binder_transaction+0x6c85/0xb7a0 [ 41.805262][ T7032] ? __might_fault+0xf5/0x150 [ 41.809923][ T7032] binder_ioctl+0x13b8/0x7640 [ 41.814621][ T7032] ? binder_poll+0x520/0x520 [ 41.820678][ T7032] __se_sys_ioctl+0xf9/0x160 [ 41.825273][ T7032] do_syscall_64+0xf3/0x1b0 [ 41.829785][ T7032] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 41.835659][ T7032] RIP: 0033:0x44b5d9 [ 41.839530][ T7032] Code: e8 8c b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 2b cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.859110][ T7032] RSP: 002b:00007f580f569ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.867505][ T7032] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044b5d9 [ 41.875455][ T7032] RDX: 0000000020000540 RSI: 00000000c0306201 RDI: 0000000000000003 [ 41.883416][ T7032] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 41.891375][ T7032] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 41.899329][ T7032] R13: 00007ffc6274012f R14: 00007f580f56a9c0 R15: 20c49ba5e353f7cf [ 41.908843][ T7032] Kernel Offset: disabled [ 41.913223][ T7032] Rebooting in 86400 seconds..