[ 60.329027][ T24] audit: type=1800 audit(1560807102.209:25): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.368080][ T24] audit: type=1800 audit(1560807102.209:26): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.388854][ T24] audit: type=1800 audit(1560807102.209:27): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.10.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.181387][ T8527] ------------[ cut here ]------------ [ 68.187153][ T8527] kernel BUG at drivers/android/binder_alloc.c:1130! [ 68.194014][ T8527] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 68.200087][ T8527] CPU: 1 PID: 8527 Comm: syz-executor835 Not tainted 5.2.0-rc5 #1 [ 68.208075][ T8527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.218313][ T8527] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 68.224900][ T8527] 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 [ 68.244730][ T8527] RSP: 0018:ffff8880a3a174e0 EFLAGS: 00010293 [ 68.250777][ T8527] RAX: ffff8880905ba080 RBX: 0000000020001000 RCX: ffffffff855423cf [ 68.258737][ T8527] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 68.266970][ T8527] RBP: ffff8880a3a17560 R08: ffff8880905ba080 R09: 0000000000000008 [ 68.275051][ T8527] R10: ffffed1014742f15 R11: ffff8880a3a178af R12: 0000000000000058 [ 68.283015][ T8527] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 68.291550][ T8527] FS: 0000555557503940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 68.300591][ T8527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.307153][ T8527] CR2: 0000000000000000 CR3: 0000000099758000 CR4: 00000000001406e0 [ 68.315219][ T8527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.323171][ T8527] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.331393][ T8527] Call Trace: [ 68.334756][ T8527] ? find_held_lock+0x35/0x130 [ 68.339531][ T8527] binder_alloc_copy_from_buffer+0x37/0x42 [ 68.345527][ T8527] binder_validate_ptr+0xcc/0x1d0 [ 68.350617][ T8527] ? binder_get_object+0x210/0x210 [ 68.355710][ T8527] ? binder_alloc_copy_from_buffer+0x37/0x42 [ 68.361756][ T8527] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 68.367669][ T8527] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 68.373401][ T8527] ? binder_get_object+0x181/0x210 [ 68.378528][ T8527] binder_transaction+0x2c9c/0x6620 [ 68.383717][ T8527] ? binder_thread_read+0x3d00/0x3d00 [ 68.389070][ T8527] ? mark_held_locks+0xf0/0xf0 [ 68.393812][ T8527] ? mark_held_locks+0xf0/0xf0 [ 68.398560][ T8527] ? __might_fault+0x12b/0x1e0 [ 68.403405][ T8527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.409654][ T8527] ? _copy_from_user+0xdd/0x150 [ 68.414507][ T8527] binder_thread_write+0x64a/0x2820 [ 68.419714][ T8527] ? mark_held_locks+0xf0/0xf0 [ 68.424466][ T8527] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 68.430089][ T8527] ? binder_transaction+0x6620/0x6620 [ 68.435440][ T8527] ? __might_fault+0x12b/0x1e0 [ 68.440191][ T8527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.446409][ T8527] ? _copy_from_user+0xdd/0x150 [ 68.451239][ T8527] binder_ioctl+0x102f/0x1833 [ 68.456111][ T8527] ? binder_thread_write+0x2820/0x2820 [ 68.461668][ T8527] ? tomoyo_path_number_perm+0x263/0x520 [ 68.467292][ T8527] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 68.473317][ T8527] ? smack_log+0x415/0x540 [ 68.477725][ T8527] ? binder_thread_write+0x2820/0x2820 [ 68.483165][ T8527] do_vfs_ioctl+0xd5f/0x1380 [ 68.487761][ T8527] ? ioctl_preallocate+0x210/0x210 [ 68.492860][ T8527] ? smack_file_ioctl+0x196/0x310 [ 68.497862][ T8527] ? smack_inode_rename+0x2d0/0x2d0 [ 68.503131][ T8527] ? fput+0x1b/0x20 [ 68.506938][ T8527] ? tomoyo_file_ioctl+0x23/0x30 [ 68.511864][ T8527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.518087][ T8527] ? security_file_ioctl+0x8d/0xc0 [ 68.523178][ T8527] ksys_ioctl+0xab/0xd0 [ 68.527405][ T8527] __x64_sys_ioctl+0x73/0xb0 [ 68.531976][ T8527] do_syscall_64+0xfd/0x680 [ 68.536502][ T8527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.542374][ T8527] RIP: 0033:0x444a39 [ 68.546247][ T8527] 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 [ 68.565943][ T8527] RSP: 002b:00007ffe0097b098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.574443][ T8527] RAX: ffffffffffffffda RBX: 00007ffe0097b0a0 RCX: 0000000000444a39 [ 68.582394][ T8527] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 68.590347][ T8527] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000401320 [ 68.598315][ T8527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402740 [ 68.606276][ T8527] R13: 00000000004027d0 R14: 0000000000000000 R15: 0000000000000000 [ 68.614232][ T8527] Modules linked in: [ 68.619222][ T8527] ---[ end trace 6d80d21036f682cb ]--- [ 68.624736][ T8527] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 68.631223][ T8527] 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 [ 68.651363][ T8527] RSP: 0018:ffff8880a3a174e0 EFLAGS: 00010293 [ 68.657607][ T8527] RAX: ffff8880905ba080 RBX: 0000000020001000 RCX: ffffffff855423cf [ 68.665702][ T8527] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 68.673682][ T8527] RBP: ffff8880a3a17560 R08: ffff8880905ba080 R09: 0000000000000008 [ 68.681729][ T8527] R10: ffffed1014742f15 R11: ffff8880a3a178af R12: 0000000000000058 [ 68.689813][ T8527] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 68.697793][ T8527] FS: 0000555557503940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 68.706744][ T8527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.713347][ T8527] CR2: 0000000000000000 CR3: 0000000099758000 CR4: 00000000001406e0 [ 68.721354][ T8527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.729378][ T8527] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.737375][ T8527] Kernel panic - not syncing: Fatal exception [ 68.745371][ T8527] Kernel Offset: disabled [ 68.749706][ T8527] Rebooting in 86400 seconds..