[ 42.251172][ T26] audit: type=1800 audit(1553661406.778:25): pid=7990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.289643][ T26] audit: type=1800 audit(1553661406.778:26): pid=7990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.324630][ T26] audit: type=1800 audit(1553661406.788:27): pid=7990 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 '10.128.0.98' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.438847][ T8162] ------------[ cut here ]------------ [ 52.444401][ T8162] kernel BUG at drivers/android/binder_alloc.c:1141! [ 52.451158][ T8162] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 52.457943][ T8162] CPU: 0 PID: 8162 Comm: syz-executor230 Not tainted 5.1.0-rc2+ #38 [ 52.466070][ T8162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.476472][ T8162] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 52.482971][ T8162] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 ff f7 23 fc 4c 89 e6 4c 89 ef e8 14 f9 23 fc 4d 39 e5 76 07 e8 ea f7 23 fc <0f> 0b e8 e3 f7 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 f1 [ 52.502864][ T8162] RSP: 0018:ffff88809f3bf550 EFLAGS: 00010293 [ 52.509071][ T8162] RAX: ffff88809ffd0300 RBX: 0000000020001000 RCX: ffffffff854c798c [ 52.517451][ T8162] RDX: 0000000000000000 RSI: ffffffff854c7996 RDI: 0000000000000006 [ 52.525650][ T8162] RBP: ffff88809f3bf5d0 R08: ffff88809ffd0300 R09: 0000000000000028 [ 52.533816][ T8162] R10: ffffed1013e77f01 R11: ffff88809f3bf80f R12: 0000000000000008 [ 52.541786][ T8162] R13: 0000000000000028 R14: ffff8880a0f64690 R15: 0000000000000000 [ 52.550029][ T8162] FS: 0000000001262940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.559290][ T8162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.565954][ T8162] CR2: 0000000000000000 CR3: 0000000087308000 CR4: 00000000001406f0 [ 52.573933][ T8162] Call Trace: [ 52.577347][ T8162] ? memcpy+0x46/0x50 [ 52.581467][ T8162] binder_alloc_copy_from_buffer+0x37/0x42 [ 52.587299][ T8162] binder_get_object+0xc3/0x200 [ 52.592146][ T8162] binder_transaction+0x2b4a/0x6690 [ 52.597349][ T8162] ? binder_thread_read+0x3d50/0x3d50 [ 52.602893][ T8162] ? __lock_acquire+0x548/0x3fb0 [ 52.608210][ T8162] ? __might_fault+0x12b/0x1e0 [ 52.613001][ T8162] ? lock_downgrade+0x880/0x880 [ 52.617852][ T8162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.624086][ T8162] ? _copy_from_user+0xdd/0x150 [ 52.629091][ T8162] binder_thread_write+0x64a/0x2820 [ 52.634409][ T8162] ? binder_transaction+0x6690/0x6690 [ 52.639776][ T8162] ? __might_fault+0x12b/0x1e0 [ 52.644540][ T8162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.650775][ T8162] ? _copy_from_user+0xdd/0x150 [ 52.655623][ T8162] binder_ioctl+0x1033/0x183b [ 52.660571][ T8162] ? binder_thread_write+0x2820/0x2820 [ 52.666330][ T8162] ? tomoyo_path_number_perm+0x263/0x520 [ 52.672344][ T8162] ? userfaultfd_unmap_complete+0x293/0x400 [ 52.678323][ T8162] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 52.684303][ T8162] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 52.689955][ T8162] ? binder_thread_write+0x2820/0x2820 [ 52.695920][ T8162] do_vfs_ioctl+0xd6e/0x1390 [ 52.700643][ T8162] ? ioctl_preallocate+0x210/0x210 [ 52.706070][ T8162] ? vma_is_stack_for_current+0xd0/0xd0 [ 52.711849][ T8162] ? ksys_dup3+0x3e0/0x3e0 [ 52.716733][ T8162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 52.723267][ T8162] ? fput_many+0x12c/0x1a0 [ 52.728326][ T8162] ? fput+0x1b/0x20 [ 52.732137][ T8162] ? tomoyo_file_ioctl+0x23/0x30 [ 52.737390][ T8162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.744381][ T8162] ? security_file_ioctl+0x93/0xc0 [ 52.749895][ T8162] ksys_ioctl+0xab/0xd0 [ 52.755063][ T8162] __x64_sys_ioctl+0x73/0xb0 [ 52.759658][ T8162] do_syscall_64+0x103/0x610 [ 52.764422][ T8162] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.770824][ T8162] RIP: 0033:0x444549 [ 52.774980][ T8162] 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 [ 52.796201][ T8162] RSP: 002b:00007fff154a6838 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.805388][ T8162] RAX: ffffffffffffffda RBX: 00007fff154a6840 RCX: 0000000000444549 [ 52.814002][ T8162] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 52.823034][ T8162] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400e10 [ 52.831457][ T8162] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402250 [ 52.840433][ T8162] R13: 00000000004022e0 R14: 0000000000000000 R15: 0000000000000000 [ 52.848661][ T8162] Modules linked in: [ 52.853384][ T8162] ---[ end trace 6868e91e56a94238 ]--- [ 52.859542][ T8162] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 52.866865][ T8162] Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 ff f7 23 fc 4c 89 e6 4c 89 ef e8 14 f9 23 fc 4d 39 e5 76 07 e8 ea f7 23 fc <0f> 0b e8 e3 f7 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 f1 [ 52.887931][ T8162] RSP: 0018:ffff88809f3bf550 EFLAGS: 00010293 [ 52.895063][ T8162] RAX: ffff88809ffd0300 RBX: 0000000020001000 RCX: ffffffff854c798c [ 52.904184][ T8162] RDX: 0000000000000000 RSI: ffffffff854c7996 RDI: 0000000000000006 [ 52.912602][ T8162] RBP: ffff88809f3bf5d0 R08: ffff88809ffd0300 R09: 0000000000000028 [ 52.920994][ T8162] R10: ffffed1013e77f01 R11: ffff88809f3bf80f R12: 0000000000000008 [ 52.929343][ T8162] R13: 0000000000000028 R14: ffff8880a0f64690 R15: 0000000000000000 [ 52.937622][ T8162] FS: 0000000001262940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.947057][ T8162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.954173][ T8162] CR2: 0000000000000000 CR3: 0000000087308000 CR4: 00000000001406f0 [ 52.962898][ T8162] Kernel panic - not syncing: Fatal exception [ 52.970113][ T8162] Kernel Offset: disabled [ 52.974894][ T8162] Rebooting in 86400 seconds..