Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.948461][ T26] kauditd_printk_skb: 5 callbacks suppressed [ 70.948474][ T26] audit: type=1800 audit(1560811065.389:33): pid=9347 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 70.981312][ T26] audit: type=1800 audit(1560811065.389:34): pid=9347 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 75.212230][ T26] audit: type=1400 audit(1560811069.649:35): avc: denied { map } for pid=9526 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. [ 81.665002][ T26] audit: type=1400 audit(1560811076.109:36): avc: denied { map } for pid=9538 comm="syz-executor244" path="/root/syz-executor244046211" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 81.672581][ T9538] ------------[ cut here ]------------ executing program [ 81.693553][ T26] audit: type=1400 audit(1560811076.109:37): avc: denied { map } for pid=9538 comm="syz-executor244" path="/dev/binder0" dev="devtmpfs" ino=800 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 [ 81.697715][ T9538] kernel BUG at drivers/android/binder_alloc.c:1130! [ 81.723434][ T26] audit: type=1400 audit(1560811076.109:38): avc: denied { set_context_mgr } for pid=9538 comm="syz-executor244" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 [ 81.731379][ T9538] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 81.754999][ T26] audit: type=1400 audit(1560811076.109:39): avc: denied { call } for pid=9538 comm="syz-executor244" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 [ 81.760949][ T9538] CPU: 0 PID: 9538 Comm: syz-executor244 Not tainted 5.2.0-rc5 #28 [ 81.784312][ T26] audit: type=1400 audit(1560811076.109:40): avc: denied { transfer } for pid=9538 comm="syz-executor244" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 [ 81.791938][ T9538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.825420][ T9538] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 81.831912][ T9538] 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 [ 81.851528][ T9538] RSP: 0018:ffff888090b0f4e0 EFLAGS: 00010293 [ 81.857579][ T9538] RAX: ffff888094290700 RBX: 0000000020001000 RCX: ffffffff855423cf [ 81.865536][ T9538] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 81.873488][ T9538] RBP: ffff888090b0f560 R08: ffff888094290700 R09: 0000000000000008 [ 81.881444][ T9538] R10: ffffed1012161f15 R11: ffff888090b0f8af R12: 0000000000000058 [ 81.889396][ T9538] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 81.897352][ T9538] FS: 00005555564ef940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 81.906257][ T9538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.912819][ T9538] CR2: 0000562a2e83b150 CR3: 0000000096ab2000 CR4: 00000000001406f0 [ 81.920774][ T9538] Call Trace: [ 81.924049][ T9538] ? find_held_lock+0x35/0x130 [ 81.928883][ T9538] binder_alloc_copy_from_buffer+0x37/0x42 [ 81.934764][ T9538] binder_validate_ptr+0xcc/0x1d0 [ 81.939797][ T9538] ? binder_get_object+0x210/0x210 [ 81.944898][ T9538] ? binder_alloc_copy_from_buffer+0x37/0x42 [ 81.950865][ T9538] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 81.956739][ T9538] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.962437][ T9538] ? binder_get_object+0x181/0x210 [ 81.967616][ T9538] binder_transaction+0x2c9c/0x6620 [ 81.972806][ T9538] ? binder_thread_read+0x3d00/0x3d00 [ 81.978162][ T9538] ? mark_held_locks+0xf0/0xf0 [ 81.982913][ T9538] ? mark_held_locks+0xf0/0xf0 [ 81.987667][ T9538] ? __might_fault+0x12b/0x1e0 [ 81.992422][ T9538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.999005][ T9538] ? _copy_from_user+0xdd/0x150 [ 82.003868][ T9538] binder_thread_write+0x64a/0x2820 [ 82.009060][ T9538] ? mark_held_locks+0xf0/0xf0 [ 82.013799][ T9538] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 82.019447][ T9538] ? binder_transaction+0x6620/0x6620 [ 82.024825][ T9538] ? __might_fault+0x12b/0x1e0 [ 82.029590][ T9538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.035817][ T9538] ? _copy_from_user+0xdd/0x150 [ 82.040650][ T9538] binder_ioctl+0x102f/0x1833 [ 82.045337][ T9538] ? binder_thread_write+0x2820/0x2820 [ 82.050788][ T9538] ? tomoyo_path_number_perm+0x263/0x520 [ 82.056402][ T9538] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 82.062210][ T9538] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 82.067743][ T9538] ? binder_thread_write+0x2820/0x2820 [ 82.073210][ T9538] do_vfs_ioctl+0xd5f/0x1380 [ 82.077797][ T9538] ? ioctl_preallocate+0x210/0x210 [ 82.082895][ T9538] ? selinux_file_mprotect+0x620/0x620 [ 82.088343][ T9538] ? ksys_dup3+0x3e0/0x3e0 [ 82.092742][ T9538] ? write_comp_data+0x5b/0x70 [ 82.097482][ T9538] ? fput_many+0x12c/0x1a0 [ 82.101878][ T9538] ? fput+0x1b/0x20 [ 82.105667][ T9538] ? tomoyo_file_ioctl+0x23/0x30 [ 82.110580][ T9538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.116815][ T9538] ? security_file_ioctl+0x8d/0xc0 [ 82.121905][ T9538] ksys_ioctl+0xab/0xd0 [ 82.126049][ T9538] __x64_sys_ioctl+0x73/0xb0 [ 82.130619][ T9538] do_syscall_64+0xfd/0x680 [ 82.135105][ T9538] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.140974][ T9538] RIP: 0033:0x444a39 [ 82.144853][ T9538] 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 [ 82.164442][ T9538] RSP: 002b:00007ffe912aeac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.172847][ T9538] RAX: ffffffffffffffda RBX: 00007ffe912aead0 RCX: 0000000000444a39 [ 82.180804][ T9538] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 82.188780][ T9538] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000401320 [ 82.196757][ T9538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402740 [ 82.204806][ T9538] R13: 00000000004027d0 R14: 0000000000000000 R15: 0000000000000000 [ 82.212770][ T9538] Modules linked in: [ 82.217456][ T9538] ---[ end trace 5cbe58e323696a7a ]--- [ 82.223130][ T9538] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 82.229615][ T9538] 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 [ 82.249367][ T9538] RSP: 0018:ffff888090b0f4e0 EFLAGS: 00010293 [ 82.255454][ T9538] RAX: ffff888094290700 RBX: 0000000020001000 RCX: ffffffff855423cf [ 82.263454][ T9538] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 82.271441][ T9538] RBP: ffff888090b0f560 R08: ffff888094290700 R09: 0000000000000008 [ 82.279460][ T9538] R10: ffffed1012161f15 R11: ffff888090b0f8af R12: 0000000000000058 [ 82.287455][ T9538] R13: 0000000000000008 R14: 0000000000000070 R15: 0000000000000000 [ 82.295448][ T9538] FS: 00005555564ef940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 82.304409][ T9538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.311015][ T9538] CR2: 0000562a2e83b150 CR3: 0000000096ab2000 CR4: 00000000001406f0 [ 82.319043][ T9538] Kernel panic - not syncing: Fatal exception [ 82.326235][ T9538] Kernel Offset: disabled [ 82.330582][ T9538] Rebooting in 86400 seconds..