[ OK ] Started Getty on tty3. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.031253][ T7024] ------------[ cut here ]------------ [ 41.036781][ T7024] WARNING: CPU: 0 PID: 7024 at drivers/android/binder.c:2349 binder_transaction_buffer_release+0x1619/0x1920 [ 41.048345][ T7024] Kernel panic - not syncing: panic_on_warn set ... [ 41.054905][ T7024] CPU: 0 PID: 7024 Comm: syz-executor636 Not tainted 5.7.0-rc6-syzkaller #0 [ 41.063545][ T7024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.073586][ T7024] Call Trace: [ 41.076887][ T7024] dump_stack+0x1e9/0x30e [ 41.081212][ T7024] panic+0x264/0x7a0 [ 41.085093][ T7024] ? __warn+0x102/0x210 [ 41.089221][ T7024] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.095873][ T7024] __warn+0x209/0x210 [ 41.099842][ T7024] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.106503][ T7024] report_bug+0x1ac/0x2d0 [ 41.110831][ T7024] do_error_trap+0xca/0x1c0 [ 41.115323][ T7024] do_invalid_op+0x32/0x40 [ 41.119711][ T7024] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.126359][ T7024] invalid_op+0x23/0x30 [ 41.130502][ T7024] RIP: 0010:binder_transaction_buffer_release+0x1619/0x1920 [ 41.137760][ T7024] 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 [ 41.157361][ T7024] RSP: 0018:ffffc90001677910 EFLAGS: 00010293 [ 41.163398][ T7024] RAX: ffffffff8628a229 RBX: ffff8880a7ad4a58 RCX: ffff8880a7ad4540 [ 41.171345][ T7024] RDX: 0000000000000000 RSI: ffffffff8959c990 RDI: ffffc900016779e0 [ 41.179303][ T7024] RBP: ffff88809d1ac000 R08: 0000000000000005 R09: ffffffff86289268 [ 41.187291][ T7024] R10: ffff8880a7ad4540 R11: 0000000000000007 R12: ffff888096c62e00 [ 41.195292][ T7024] R13: ffffc900016779c8 R14: 0000000000000058 R15: 0000000000000000 [ 41.203322][ T7024] ? binder_transaction_buffer_release+0x658/0x1920 [ 41.209920][ T7024] ? binder_transaction_buffer_release+0x1619/0x1920 [ 41.216590][ T7024] ? check_preemption_disabled+0x40/0x240 [ 41.222287][ T7024] ? rcu_read_lock_sched_held+0x106/0x170 [ 41.227995][ T7024] binder_transaction+0x6c85/0xb7a0 [ 41.233184][ T7024] ? __might_fault+0xf5/0x150 [ 41.237836][ T7024] binder_ioctl+0x13b8/0x7640 [ 41.242501][ T7024] ? binder_poll+0x520/0x520 [ 41.247070][ T7024] __se_sys_ioctl+0xf9/0x160 [ 41.251636][ T7024] do_syscall_64+0xf3/0x1b0 [ 41.256119][ T7024] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 41.261983][ T7024] RIP: 0033:0x44b5d9 [ 41.265854][ T7024] 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 [ 41.285440][ T7024] RSP: 002b:00007f3adc2b8ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.293829][ T7024] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044b5d9 [ 41.301773][ T7024] RDX: 0000000020000540 RSI: 00000000c0306201 RDI: 0000000000000003 [ 41.309717][ T7024] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 41.317661][ T7024] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 41.325657][ T7024] R13: 00007ffc253722bf R14: 00007f3adc2b99c0 R15: 20c49ba5e353f7cf [ 41.335233][ T7024] Kernel Offset: disabled [ 41.339606][ T7024] Rebooting in 86400 seconds..