[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.967641] random: crng init done Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. 2019/03/26 19:38:44 parsed 1 programs 2019/03/26 19:38:46 executed programs: 0 syzkaller login: [ 41.087058] audit: type=1400 audit(1553629128.171:5): avc: denied { associate } for pid=2070 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 41.177501] audit: type=1400 audit(1553629128.261:6): avc: denied { set_context_mgr } for pid=2930 comm="syz-executor.3" 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 [ 41.243240] binder: BINDER_SET_CONTEXT_MGR already set [ 41.249392] binder: BINDER_SET_CONTEXT_MGR already set [ 41.255274] audit: type=1400 audit(1553629128.341:7): avc: denied { call } for pid=2930 comm="syz-executor.3" 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 [ 41.279386] binder: 2940:2943 ioctl 40046207 0 returned -16 [ 41.279620] binder: 2938:2942 ioctl 40046207 0 returned -16 [ 41.281313] ------------[ cut here ]------------ [ 41.281317] kernel BUG at drivers/android/binder_alloc.c:1105! [ 41.281323] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 41.281328] Modules linked in: [ 41.281336] CPU: 0 PID: 2964 Comm: syz-executor.4 Not tainted 4.9.165+ #28 [ 41.281341] task: ffff8801d7f55f00 task.stack: ffff8801d74e8000 [ 41.281360] RIP: 0010:[] [] binder_alloc_do_buffer_copy+0xcb/0x500 [ 41.281364] RSP: 0018:ffff8801d74ef518 EFLAGS: 00010293 [ 41.281369] RAX: ffff8801d7f55f00 RBX: 0000000020001000 RCX: d13a6d51f8651f90 [ 41.281373] RDX: 0000000000000000 RSI: ffffffff8221c34b RDI: ffff8801c4e80758 [ 41.281377] RBP: ffff8801d74ef598 R08: ffff8801d74ef870 R09: 0000000000000028 [ 41.281381] R10: ffffed003ae9defe R11: ffff8801d74ef7f7 R12: 0000000000000020 [ 41.281385] R13: ffff8801c7076698 R14: 0000000000000028 R15: ffff8801d74ef870 [ 41.281392] FS: 00007f4f1f84b700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 41.281405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.281410] CR2: 00007f380a7df4a0 CR3: 00000001c4e7b000 CR4: 00000000001606b0 [ 41.281417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.281421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.281422] Stack: [ 41.281435] ffff8801d74ef7f0 ffff8801d74ef548 ffffffff814f79e6 0000000000000008 [ 41.281445] dffffc0000000000 ffff8801d8209258 00ff8801d74ef5d8 ffff8801d8209200 [ 41.281455] ffff8801d7f57160 ffff8801c7076600 d13a6d51f8651f90 ffff8801d74ef870 [ 41.281456] Call Trace: [ 41.281466] [] ? memcpy+0x46/0x50 [ 41.281475] [] binder_alloc_copy_from_buffer+0x37/0x42 [ 41.281483] [] binder_get_object+0xa2/0x1a0 [ 41.281489] [] binder_transaction+0x1fdf/0x5840 [ 41.281497] [] ? binder_transaction+0x1141/0x5840 [ 41.281506] [] ? binder_inc_ref_for_node+0xba0/0xba0 [ 41.281516] [] ? __save_stack_trace+0x7a/0xf0 [ 41.281525] [] ? depot_save_stack+0x13c/0x4a0 [ 41.281534] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 41.281543] [] ? __might_fault+0x114/0x1d0 [ 41.281551] [] binder_thread_write+0x593/0x2110 [ 41.281559] [] ? trace_hardirqs_on+0x10/0x10 [ 41.281568] [] ? binder_transaction+0x5840/0x5840 [ 41.281575] [] ? __might_fault+0x114/0x1d0 [ 41.281583] [] binder_ioctl+0xecd/0x1720 [ 41.281592] [] ? binder_poll+0x240/0x240 [ 41.281599] [] ? __lock_acquire+0x5e5/0x4350 [ 41.281609] [] ? __might_sleep+0x95/0x1a0 [ 41.281617] [] ? binder_poll+0x240/0x240 [ 41.281625] [] do_vfs_ioctl+0xb87/0x11d0 [ 41.281635] [] ? selinux_file_ioctl+0x103/0x550 [ 41.281642] [] ? ioctl_preallocate+0x210/0x210 [ 41.281650] [] ? selinux_parse_skb.constprop.0+0x16b0/0x16b0 [ 41.281658] [] ? __fget+0x208/0x370 [ 41.281666] [] ? __fget+0x22f/0x370 [ 41.281673] [] ? __fget+0x47/0x370 [ 41.281682] [] ? security_file_ioctl+0x8f/0xc0 [ 41.281690] [] SyS_ioctl+0x8f/0xc0 [ 41.281697] [] ? do_vfs_ioctl+0x11d0/0x11d0 [ 41.281705] [] do_syscall_64+0x1ad/0x570 [ 41.281714] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.281846] Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0a 04 00 00 4d 8b 64 24 58 49 29 dc e8 0f 0a 10 ff 4d 39 e6 76 07 e8 05 0a 10 ff <0f> 0b e8 fe 09 10 ff 4c 8b 6d d0 4d 29 f4 4d 39 e5 77 e8 e8 ed [ 41.281856] RIP [] binder_alloc_do_buffer_copy+0xcb/0x500 [ 41.281858] RSP [ 41.281903] ---[ end trace 465638f4015f14d6 ]--- [ 41.281907] Kernel panic - not syncing: Fatal exception [ 41.282441] Kernel Offset: disabled [ 41.683732] Rebooting in 86400 seconds..