[ 65.072123][ T26] audit: type=1800 audit(1560807285.444:30): pid=8946 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 69.947426][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 69.947440][ T26] audit: type=1400 audit(1560807290.354:35): avc: denied { map } for pid=9120 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 '10.128.0.123' (ECDSA) to the list of known hosts. executing program [ 76.395528][ T26] audit: type=1400 audit(1560807296.804:36): avc: denied { map } for pid=9132 comm="syz-executor661" path="/root/syz-executor661177791" 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 [ 76.403283][ T9132] ------------[ cut here ]------------ [ 76.423323][ T26] audit: type=1400 audit(1560807296.804:37): avc: denied { map } for pid=9132 comm="syz-executor661" path="/dev/binder0" dev="devtmpfs" ino=16872 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 [ 76.427947][ T9132] kernel BUG at drivers/android/binder_alloc.c:1130! [ 76.454407][ T26] audit: type=1400 audit(1560807296.804:38): avc: denied { set_context_mgr } for pid=9132 comm="syz-executor661" 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 [ 76.460641][ T9132] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 76.484792][ T26] audit: type=1400 audit(1560807296.804:39): avc: denied { call } for pid=9132 comm="syz-executor661" 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 [ 76.490528][ T9132] CPU: 1 PID: 9132 Comm: syz-executor661 Not tainted 5.2.0-rc5 #28 [ 76.514147][ T26] audit: type=1400 audit(1560807296.804:40): avc: denied { transfer } for pid=9132 comm="syz-executor661" 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 [ 76.521477][ T9132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.554928][ T9132] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 76.561410][ T9132] 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 [ 76.581001][ T9132] RSP: 0018:ffff8880963ff4e0 EFLAGS: 00010293 [ 76.587153][ T9132] RAX: ffff88809376a280 RBX: 0000000020001000 RCX: ffffffff855423cf [ 76.595418][ T9132] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 76.603372][ T9132] RBP: ffff8880963ff560 R08: ffff88809376a280 R09: 0000000000000008 [ 76.611429][ T9132] R10: ffffed1012c7ff15 R11: ffff8880963ff8af R12: 0000000000000078 [ 76.619406][ T9132] R13: 0000000000000008 R14: 00000000000000a8 R15: 0000000000000000 [ 76.627369][ T9132] FS: 0000555556495940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 76.636275][ T9132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.642835][ T9132] CR2: 000055cd974f5140 CR3: 000000009126e000 CR4: 00000000001406e0 [ 76.650812][ T9132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.658770][ T9132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.666717][ T9132] Call Trace: [ 76.669992][ T9132] ? find_held_lock+0x35/0x130 [ 76.674750][ T9132] binder_alloc_copy_from_buffer+0x37/0x42 [ 76.680533][ T9132] binder_validate_ptr+0xcc/0x1d0 [ 76.685534][ T9132] ? binder_get_object+0x210/0x210 [ 76.690628][ T9132] ? binder_alloc_copy_from_buffer+0x37/0x42 [ 76.696595][ T9132] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 76.702539][ T9132] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.708258][ T9132] ? binder_get_object+0x181/0x210 [ 76.713346][ T9132] binder_transaction+0x2c9c/0x6620 [ 76.718531][ T9132] ? binder_thread_read+0x3d00/0x3d00 [ 76.723903][ T9132] ? mark_held_locks+0xf0/0xf0 [ 76.728648][ T9132] ? mark_held_locks+0xf0/0xf0 [ 76.733399][ T9132] ? __might_fault+0x12b/0x1e0 [ 76.738168][ T9132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.746578][ T9132] ? _copy_from_user+0xdd/0x150 [ 76.751494][ T9132] binder_thread_write+0x64a/0x2820 [ 76.756682][ T9132] ? mark_held_locks+0xf0/0xf0 [ 76.766193][ T9132] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 76.771928][ T9132] ? binder_transaction+0x6620/0x6620 [ 76.777302][ T9132] ? __might_fault+0x12b/0x1e0 [ 76.782065][ T9132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.788282][ T9132] ? _copy_from_user+0xdd/0x150 [ 76.793111][ T9132] binder_ioctl+0x102f/0x1833 [ 76.797780][ T9132] ? binder_thread_write+0x2820/0x2820 [ 76.803223][ T9132] ? tomoyo_path_number_perm+0x263/0x520 [ 76.808836][ T9132] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 76.814648][ T9132] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 76.820181][ T9132] ? binder_thread_write+0x2820/0x2820 [ 76.825626][ T9132] do_vfs_ioctl+0xd5f/0x1380 [ 76.830233][ T9132] ? ioctl_preallocate+0x210/0x210 [ 76.835331][ T9132] ? selinux_file_mprotect+0x620/0x620 [ 76.840764][ T9132] ? ksys_dup3+0x3e0/0x3e0 [ 76.845161][ T9132] ? write_comp_data+0x5b/0x70 [ 76.849901][ T9132] ? fput_many+0x12c/0x1a0 [ 76.854406][ T9132] ? fput+0x1b/0x20 [ 76.858220][ T9132] ? tomoyo_file_ioctl+0x23/0x30 [ 76.863154][ T9132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.869822][ T9132] ? security_file_ioctl+0x8d/0xc0 [ 76.875506][ T9132] ksys_ioctl+0xab/0xd0 [ 76.879643][ T9132] __x64_sys_ioctl+0x73/0xb0 [ 76.884214][ T9132] do_syscall_64+0xfd/0x680 [ 76.888699][ T9132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.894662][ T9132] RIP: 0033:0x444a29 [ 76.898560][ T9132] 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 [ 76.918152][ T9132] RSP: 002b:00007fff7e71c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.926547][ T9132] RAX: ffffffffffffffda RBX: 00007fff7e71c740 RCX: 0000000000444a29 [ 76.934498][ T9132] RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 [ 76.942570][ T9132] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000401310 [ 76.950526][ T9132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730 [ 76.958475][ T9132] R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000 [ 76.966428][ T9132] Modules linked in: [ 76.971681][ T9132] ---[ end trace 34e8fea5b8a1e954 ]--- [ 76.977528][ T9132] RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 [ 76.984117][ T9132] 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 [ 77.003747][ T9132] RSP: 0018:ffff8880963ff4e0 EFLAGS: 00010293 [ 77.009796][ T9132] RAX: ffff88809376a280 RBX: 0000000020001000 RCX: ffffffff855423cf [ 77.017920][ T9132] RDX: 0000000000000000 RSI: ffffffff855423b6 RDI: 0000000000000006 [ 77.025925][ T9132] RBP: ffff8880963ff560 R08: ffff88809376a280 R09: 0000000000000008 [ 77.033918][ T9132] R10: ffffed1012c7ff15 R11: ffff8880963ff8af R12: 0000000000000078 [ 77.042026][ T9132] R13: 0000000000000008 R14: 00000000000000a8 R15: 0000000000000000 [ 77.049987][ T9132] FS: 0000555556495940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.059036][ T9132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.065631][ T9132] CR2: 000055cd974e64c0 CR3: 000000009126e000 CR4: 00000000001406f0 [ 77.074052][ T9132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.082055][ T9132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.090124][ T9132] Kernel panic - not syncing: Fatal exception [ 77.097452][ T9132] Kernel Offset: disabled [ 77.101871][ T9132] Rebooting in 86400 seconds..