Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.375120][ T8410] ------------[ cut here ]------------ [ 73.380598][ T8410] kernel BUG at drivers/android/binder_alloc.c:1130! [ 73.387548][ T8410] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 73.393619][ T8410] CPU: 0 PID: 8410 Comm: syz-executor385 Not tainted 5.2.0-rc5 #28 [ 73.401511][ T8410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.411691][ T8410] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 73.418179][ T8410] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 bf 9d 1c fc 4c 89 e6 4c 89 ef e8 d4 9e 1c fc 4d 39 e5 76 07 e8 aa 9d 1c fc <0f> 0b e8 a3 9d 1c fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 b1 [ 73.437775][ T8410] RSP: 0018:ffff8880a1077668 EFLAGS: 00010293 [ 73.443955][ T8410] RAX: ffff8880a5304200 RBX: 0000000020001000 RCX: ffffffff855423cf [ 73.452018][ T8410] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 73.460085][ T8410] RBP: ffff8880a10776e8 R08: ffff8880a5304200 R09: 0000000000000008 [ 73.468051][ T8410] R10: ffffed101420ef46 R11: ffff8880a1077a37 R12: 0000000000000078 [ 73.476112][ T8410] R13: 0000000000000008 R14: 00000000000000a8 R15: 0000000000000000 [ 73.484070][ T8410] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:0000000056fc1900 [ 73.493086][ T8410] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 73.499666][ T8410] CR2: 0000000000000000 CR3: 0000000099beb000 CR4: 00000000001406f0 [ 73.507631][ T8410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.515583][ T8410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.523541][ T8410] Call Trace: [ 73.526817][ T8410] ? find_held_lock+0x35/0x130 [ 73.531575][ T8410] binder_alloc_copy_from_buffer+0x37/0x42 [ 73.537496][ T8410] binder_validate_ptr+0xcc/0x1d0 [ 73.542515][ T8410] ? binder_get_object+0x210/0x210 [ 73.547727][ T8410] ? binder_alloc_copy_from_buffer+0x37/0x42 [ 73.553813][ T8410] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 73.559945][ T8410] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 73.565761][ T8410] ? binder_get_object+0x181/0x210 [ 73.570858][ T8410] binder_transaction+0x2c9c/0x6620 [ 73.576311][ T8410] ? binder_thread_read+0x3d00/0x3d00 [ 73.581766][ T8410] ? mark_held_locks+0xf0/0xf0 [ 73.586510][ T8410] ? save_stack+0x23/0x90 [ 73.590933][ T8410] ? __might_fault+0x12b/0x1e0 [ 73.595711][ T8410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.601936][ T8410] ? _copy_from_user+0xdd/0x150 [ 73.606891][ T8410] binder_thread_write+0x64a/0x2820 [ 73.612080][ T8410] ? mark_held_locks+0xf0/0xf0 [ 73.616840][ T8410] ? binder_transaction+0x6620/0x6620 [ 73.622371][ T8410] ? __might_fault+0x12b/0x1e0 [ 73.627142][ T8410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.633415][ T8410] ? _copy_from_user+0xdd/0x150 [ 73.638266][ T8410] binder_ioctl+0x102f/0x1833 [ 73.642931][ T8410] ? binder_thread_write+0x2820/0x2820 [ 73.648385][ T8410] ? vma_is_stack_for_current+0xd0/0xd0 [ 73.653919][ T8410] ? ksys_dup3+0x3e0/0x3e0 [ 73.658317][ T8410] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 73.664540][ T8410] ? fput_many+0x12c/0x1a0 [ 73.669059][ T8410] ? fput+0x1b/0x20 [ 73.672850][ T8410] ? tomoyo_file_ioctl+0x23/0x30 [ 73.677871][ T8410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.684189][ T8410] ? security_file_ioctl+0x8d/0xc0 [ 73.689278][ T8410] ? binder_thread_write+0x2820/0x2820 [ 73.694726][ T8410] __ia32_compat_sys_ioctl+0x195/0x620 [ 73.700181][ T8410] do_fast_syscall_32+0x27b/0xd7d [ 73.705242][ T8410] entry_SYSENTER_compat+0x70/0x7f [ 73.710332][ T8410] RIP: 0023:0xf7f33849 [ 73.714728][ T8410] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 73.734445][ T8410] RSP: 002b:00000000ff82b40c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 73.742939][ T8410] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0306201 [ 73.750934][ T8410] RDX: 0000000020000440 RSI: 0000000008049250 RDI: 0000000000000000 [ 73.758894][ T8410] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 73.767005][ T8410] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 73.774955][ T8410] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.782913][ T8410] Modules linked in: [ 73.787588][ T8410] ---[ end trace 8088322ceeed7c1b ]--- [ 73.793450][ T8410] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 73.799946][ T8410] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 bf 9d 1c fc 4c 89 e6 4c 89 ef e8 d4 9e 1c fc 4d 39 e5 76 07 e8 aa 9d 1c fc <0f> 0b e8 a3 9d 1c fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 b1 [ 73.819721][ T8410] RSP: 0018:ffff8880a1077668 EFLAGS: 00010293 [ 73.825853][ T8410] RAX: ffff8880a5304200 RBX: 0000000020001000 RCX: ffffffff855423cf [ 73.833867][ T8410] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 73.841848][ T8410] RBP: ffff8880a10776e8 R08: ffff8880a5304200 R09: 0000000000000008 [ 73.849989][ T8410] R10: ffffed101420ef46 R11: ffff8880a1077a37 R12: 0000000000000078 [ 73.858013][ T8410] R13: 0000000000000008 R14: 00000000000000a8 R15: 0000000000000000 [ 73.866015][ T8410] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:0000000056fc1900 [ 73.874974][ T8410] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 73.881572][ T8410] CR2: 0000000000000000 CR3: 0000000099beb000 CR4: 00000000001406f0 [ 73.889539][ T8410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.897672][ T8410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.905802][ T8410] Kernel panic - not syncing: Fatal exception [ 73.913316][ T8410] Kernel Offset: disabled [ 73.917637][ T8410] Rebooting in 86400 seconds..