[ 68.278808][ T24] audit: type=1800 audit(1560823982.457:25): pid=8763 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 68.321117][ T24] audit: type=1800 audit(1560823982.467:26): pid=8763 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 68.357646][ T24] audit: type=1800 audit(1560823982.467:27): pid=8763 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 79.347670][ T8939] ------------[ cut here ]------------ [ 79.353206][ T8939] kernel BUG at drivers/android/binder_alloc.c:1130! [ 79.360110][ T8939] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 79.366501][ T8939] CPU: 1 PID: 8939 Comm: syz-executor650 Not tainted 5.2.0-rc5 #35 [ 79.374672][ T8939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.395024][ T8939] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 79.401532][ T8939] 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 [ 79.421160][ T8939] RSP: 0018:ffff8880998274e0 EFLAGS: 00010293 [ 79.427232][ T8939] RAX: ffff88809f76c6c0 RBX: 0000000020001000 RCX: ffffffff855423cf [ 79.435188][ T8939] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 79.443147][ T8939] RBP: ffff888099827560 R08: ffff88809f76c6c0 R09: 0000000000000008 [ 79.451123][ T8939] R10: ffffed1013304f15 R11: ffff8880998278af R12: 0000000000000058 [ 79.459220][ T8939] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 79.467185][ T8939] FS: 00005555563e9940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 79.477045][ T8939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.483635][ T8939] CR2: 0000000000000000 CR3: 000000009837a000 CR4: 00000000001406e0 [ 79.493274][ T8939] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.501255][ T8939] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.509304][ T8939] Call Trace: [ 79.512593][ T8939] ? find_held_lock+0x35/0x130 [ 79.517348][ T8939] binder_alloc_copy_from_buffer+0x37/0x42 [ 79.523138][ T8939] binder_validate_ptr+0xcc/0x1d0 [ 79.528143][ T8939] ? binder_get_object+0x210/0x210 [ 79.533237][ T8939] ? binder_alloc_copy_from_buffer+0x37/0x42 [ 79.539208][ T8939] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 79.545097][ T8939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 79.550800][ T8939] ? binder_get_object+0x181/0x210 [ 79.555910][ T8939] binder_transaction+0x2c9c/0x6620 [ 79.561107][ T8939] ? binder_thread_read+0x3d00/0x3d00 [ 79.566667][ T8939] ? mark_held_locks+0xf0/0xf0 [ 79.571755][ T8939] ? mark_held_locks+0xf0/0xf0 [ 79.576526][ T8939] ? __might_fault+0x12b/0x1e0 [ 79.581281][ T8939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.587534][ T8939] ? _copy_from_user+0xdd/0x150 [ 79.592382][ T8939] binder_thread_write+0x64a/0x2820 [ 79.597897][ T8939] ? mark_held_locks+0xf0/0xf0 [ 79.602666][ T8939] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 79.608289][ T8939] ? binder_transaction+0x6620/0x6620 [ 79.613656][ T8939] ? __might_fault+0x12b/0x1e0 [ 79.618492][ T8939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.624811][ T8939] ? _copy_from_user+0xdd/0x150 [ 79.629679][ T8939] binder_ioctl+0x102f/0x1833 [ 79.634798][ T8939] ? binder_thread_write+0x2820/0x2820 [ 79.640454][ T8939] ? tomoyo_path_number_perm+0x263/0x520 [ 79.646081][ T8939] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 79.651975][ T8939] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 79.657886][ T8939] ? binder_thread_write+0x2820/0x2820 [ 79.663561][ T8939] do_vfs_ioctl+0xd5f/0x1380 [ 79.668281][ T8939] ? ioctl_preallocate+0x210/0x210 [ 79.673385][ T8939] ? vma_is_stack_for_current+0xd0/0xd0 [ 79.678942][ T8939] ? ksys_dup3+0x3e0/0x3e0 [ 79.683357][ T8939] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 79.689591][ T8939] ? fput_many+0x12c/0x1a0 [ 79.694007][ T8939] ? fput+0x1b/0x20 [ 79.697812][ T8939] ? tomoyo_file_ioctl+0x23/0x30 [ 79.702730][ T8939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.709043][ T8939] ? security_file_ioctl+0x8d/0xc0 [ 79.714154][ T8939] ksys_ioctl+0xab/0xd0 [ 79.718298][ T8939] __x64_sys_ioctl+0x73/0xb0 [ 79.722980][ T8939] do_syscall_64+0xfd/0x680 [ 79.730529][ T8939] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.736648][ T8939] RIP: 0033:0x444a39 [ 79.748056][ T8939] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.774427][ T8939] RSP: 002b:00007ffd49797048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.782829][ T8939] RAX: ffffffffffffffda RBX: 00007ffd49797050 RCX: 0000000000444a39 [ 79.790967][ T8939] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 79.798926][ T8939] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000401320 [ 79.807213][ T8939] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402740 [ 79.815170][ T8939] R13: 00000000004027d0 R14: 0000000000000000 R15: 0000000000000000 [ 79.823149][ T8939] Modules linked in: [ 79.828092][ T8939] ---[ end trace 58efe0c7da7da5cc ]--- [ 79.833624][ T8939] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 79.841132][ T8939] 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 [ 79.861112][ T8939] RSP: 0018:ffff8880998274e0 EFLAGS: 00010293 [ 79.867188][ T8939] RAX: ffff88809f76c6c0 RBX: 0000000020001000 RCX: ffffffff855423cf [ 79.875366][ T8939] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 79.883375][ T8939] RBP: ffff888099827560 R08: ffff88809f76c6c0 R09: 0000000000000008 [ 79.891399][ T8939] R10: ffffed1013304f15 R11: ffff8880998278af R12: 0000000000000058 [ 79.899383][ T8939] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 79.907430][ T8939] FS: 00005555563e9940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 79.916382][ T8939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.923000][ T8939] CR2: ffffffffff600400 CR3: 000000009837a000 CR4: 00000000001406e0 [ 79.931296][ T8939] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.939478][ T8939] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.947593][ T8939] Kernel panic - not syncing: Fatal exception [ 79.957243][ T8939] Kernel Offset: disabled [ 79.961874][ T8939] Rebooting in 86400 seconds..