[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.520587] audit: type=1400 audit(1521277591.409:6): avc: denied { map } for pid=4212 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. syzkaller login: [ 24.825285] audit: type=1400 audit(1521277597.713:7): avc: denied { map } for pid=4226 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/03/17 09:06:37 parsed 1 programs 2018/03/17 09:06:37 executed programs: 0 [ 25.075072] audit: type=1400 audit(1521277597.963:8): avc: denied { map } for pid=4226 comm="syz-execprog" path="/root/syzkaller-shm305797726" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 25.087717] IPVS: ftp: loaded support on port[0] = 21 [ 25.445448] kasan: CONFIG_KASAN_INLINE enabled [ 25.450191] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.457739] general protection fault: 0000 [#1] SMP KASAN [ 25.463257] Dumping ftrace buffer: [ 25.466767] (ftrace buffer empty) [ 25.470447] Modules linked in: [ 25.473616] CPU: 1 PID: 4374 Comm: syz-executor0 Not tainted 4.16.0-rc5+ #267 [ 25.480856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.490188] RIP: 0010:rdma_addr_size+0x1e/0x70 [ 25.494736] RSP: 0018:ffff8801b0a9f820 EFLAGS: 00010202 [ 25.500070] RAX: dffffc0000000000 RBX: 0000000000000020 RCX: ffffffff841374bd [ 25.507312] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000020 [ 25.514552] RBP: ffff8801b0a9f828 R08: 0000000000000000 R09: ffff8801b0a9f870 [ 25.521796] R10: 0000000000000000 R11: ffffed0036153f2f R12: ffff8801b0a9f870 [ 25.529039] R13: ffff8801b112fd30 R14: ffff8801b0a9f9b0 R15: 0000000000000020 [ 25.536288] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7f35b40 [ 25.544484] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 25.550339] CR2: 000000000813b029 CR3: 00000001b0a3b006 CR4: 00000000001606e0 [ 25.557585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.564829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.572070] Call Trace: [ 25.574636] ucma_query_addr.isra.7+0xce/0x4f0 [ 25.579188] ? ucma_write+0x3d0/0x3d0 [ 25.582976] ucma_query+0x1bb/0x230 [ 25.586590] ? ucma_query_path.isra.8+0xb10/0xb10 [ 25.591415] ? kasan_check_write+0x14/0x20 [ 25.595624] ? _copy_from_user+0x99/0x110 [ 25.599744] ucma_write+0x2d6/0x3d0 [ 25.603343] ? ucma_query_path.isra.8+0xb10/0xb10 [ 25.608157] ? ucma_resolve_route+0x1a0/0x1a0 [ 25.612636] ? ucma_resolve_route+0x1a0/0x1a0 [ 25.617111] __vfs_write+0xef/0x970 [ 25.620713] ? rcu_note_context_switch+0x710/0x710 [ 25.625612] ? kernel_read+0x120/0x120 [ 25.629991] ? __might_sleep+0x95/0x190 [ 25.633939] ? _cond_resched+0x14/0x30 [ 25.637803] ? __inode_security_revalidate+0xd9/0x130 [ 25.642974] ? avc_policy_seqno+0x9/0x20 [ 25.647010] ? selinux_file_permission+0x82/0x460 [ 25.651832] ? security_file_permission+0x89/0x1e0 [ 25.656733] ? rw_verify_area+0xe5/0x2b0 [ 25.660763] ? __fdget_raw+0x20/0x20 [ 25.664449] vfs_write+0x189/0x510 [ 25.667963] SyS_write+0xef/0x220 [ 25.671387] ? exit_to_usermode_loop+0x198/0x2f0 [ 25.676114] ? SyS_read+0x220/0x220 [ 25.679713] ? do_fast_syscall_32+0x156/0xf9f [ 25.684179] ? SyS_read+0x220/0x220 [ 25.687778] do_fast_syscall_32+0x3ec/0xf9f [ 25.692069] ? _raw_spin_unlock_irq+0x27/0x70 [ 25.696546] ? do_int80_syscall_32+0x9c0/0x9c0 [ 25.701100] ? _raw_spin_unlock_irq+0x27/0x70 [ 25.705570] ? finish_task_switch+0x1c1/0x7e0 [ 25.710041] ? syscall_return_slowpath+0x2ac/0x550 [ 25.714947] ? prepare_exit_to_usermode+0x350/0x350 [ 25.719939] ? sysret32_from_system_call+0x5/0x3c [ 25.724754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.729574] entry_SYSENTER_compat+0x70/0x7f [ 25.733953] RIP: 0023:0xf7f5ac99 [ 25.737288] RSP: 002b:00000000f7f3509c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 [ 25.744965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200022c0 [ 25.752209] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.759452] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.766693] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.773932] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.781181] Code: 29 e4 95 fd e9 f8 fe ff ff 90 90 90 90 55 48 89 e5 53 48 89 fb e8 e3 a2 5d fd 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 04 84 d2 75 2f [ 25.800255] RIP: rdma_addr_size+0x1e/0x70 RSP: ffff8801b0a9f820 [ 25.806350] ---[ end trace 0dd90683414f16c8 ]--- [ 25.811122] Kernel panic - not syncing: Fatal exception [ 25.816954] Dumping ftrace buffer: [ 25.820473] (ftrace buffer empty) [ 25.824155] Kernel Offset: disabled [ 25.827752] Rebooting in 86400 seconds..