[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 19.110518] audit: type=1400 audit(1520479597.561:6): avc: denied { map } for pid=4181 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 '10.128.0.6' (ECDSA) to the list of known hosts. syzkaller login: [ 30.486227] audit: type=1400 audit(1520479608.937:7): avc: denied { map } for pid=4196 comm="syzkaller958277" path="/root/syzkaller958277320" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 30.502445] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program [ 30.540985] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program [ 30.579193] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.635337] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program [ 30.693344] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 30.743845] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program [ 30.792724] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program [ 30.855563] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.151874] kasan: CONFIG_KASAN_INLINE enabled [ 36.156755] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.164197] general protection fault: 0000 [#1] SMP KASAN [ 36.169729] Dumping ftrace buffer: [ 36.173267] (ftrace buffer empty) [ 36.176970] Modules linked in: [ 36.180152] CPU: 0 PID: 10410 Comm: syzkaller958277 Not tainted 4.16.0-rc4+ #345 [ 36.187665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.197025] RIP: 0010:rdma_resolve_addr+0x13c/0x26c0 executing program executing program executing program [ 36.202117] RSP: 0018:ffff8801b3807680 EFLAGS: 00010207 [ 36.207476] RAX: 0000000000000042 RBX: ffff8801b3807a44 RCX: 0000000000000000 [ 36.214739] RDX: 0000000000000000 RSI: ffff8801b3807a44 RDI: 0000000000000214 [ 36.222006] RBP: ffff8801b38079e0 R08: 0000000000000000 R09: 0000000000000000 [ 36.229272] R10: ffff8801b38079f8 R11: 0000000000000000 R12: dffffc0000000000 [ 36.236542] R13: 00000000000000a0 R14: ffff8801b3807a28 R15: 0000000000000000 [ 36.243810] FS: 00007f2dc376e700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 36.252032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.257911] CR2: 0000000020000140 CR3: 00000001c6e4e006 CR4: 00000000001606f0 [ 36.265178] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.272443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.279704] Call Trace: [ 36.282298] ? find_held_lock+0x35/0x1d0 [ 36.286365] ? rdma_bind_addr+0x1b50/0x1b50 [ 36.290688] ? lock_downgrade+0x980/0x980 [ 36.294840] ? __radix_tree_lookup+0x435/0x5e0 [ 36.299435] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 36.304285] ? wait_for_completion+0x770/0x770 [ 36.308878] ? lock_release+0xa40/0xa40 [ 36.312861] ? check_same_owner+0x320/0x320 [ 36.317184] ? find_held_lock+0x35/0x1d0 [ 36.321267] ucma_resolve_ip+0x142/0x1f0 [ 36.325329] ? ucma_resolve_ip+0x142/0x1f0 [ 36.329566] ? ucma_resolve_addr+0x330/0x330 [ 36.333984] ? kasan_check_write+0x14/0x20 [ 36.338227] ucma_write+0x2d6/0x3d0 [ 36.341860] ? ucma_resolve_addr+0x330/0x330 [ 36.346276] ? ucma_resolve_route+0x1a0/0x1a0 [ 36.350788] ? ucma_resolve_route+0x1a0/0x1a0 [ 36.355280] __vfs_write+0xef/0x970 [ 36.358908] ? rcu_note_context_switch+0x710/0x710 [ 36.363841] ? kernel_read+0x120/0x120 [ 36.367752] ? __might_sleep+0x95/0x190 [ 36.371737] ? _cond_resched+0x14/0x30 [ 36.375627] ? __inode_security_revalidate+0xd9/0x130 [ 36.380820] ? avc_policy_seqno+0x9/0x20 [ 36.384896] ? selinux_file_permission+0x82/0x460 [ 36.389743] ? security_file_permission+0x89/0x1e0 [ 36.394676] ? rw_verify_area+0xe5/0x2b0 [ 36.398735] ? __fdget_raw+0x20/0x20 [ 36.402452] vfs_write+0x189/0x510 [ 36.406007] SyS_write+0xef/0x220 [ 36.409468] ? SyS_read+0x220/0x220 [ 36.413096] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.418110] ? do_syscall_64+0xb7/0x940 [ 36.422084] ? SyS_read+0x220/0x220 [ 36.425716] do_syscall_64+0x281/0x940 [ 36.429607] ? syscall_return_slowpath+0x550/0x550 [ 36.434536] ? syscall_return_slowpath+0x2ac/0x550 [ 36.439469] ? prepare_exit_to_usermode+0x350/0x350 [ 36.444491] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 36.449865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.454735] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.459937] RIP: 0033:0x446aa9 [ 36.463119] RSP: 002b:00007f2dc376dda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.470821] RAX: ffffffffffffffda RBX: 00000000006e29fc RCX: 0000000000446aa9 [ 36.478092] RDX: 0000000000000008 RSI: 0000000020007100 RDI: 0000000000000004 [ 36.485358] RBP: 00000000006e29f8 R08: 00007f2dc376e700 R09: 0000000000000000 [ 36.492626] R10: 00007f2dc376e700 R11: 0000000000000246 R12: 006d635f616d6472 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.499894] R13: 2f646e6162696e69 R14: 666e692f7665642f R15: 0000000000000003 [ 36.507165] Code: 31 c0 e8 f8 b1 53 fd 48 89 df e8 70 f4 f5 ff 4c 89 ef 48 63 d0 48 89 de e8 02 df 8b fd 49 8d bf 14 02 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f [ 36.526604] RIP: rdma_resolve_addr+0x13c/0x26c0 RSP: ffff8801b3807680 [ 36.533224] ---[ end trace 35b5ca64e9e3cd3f ]--- [ 36.538007] Kernel panic - not syncing: Fatal exception [ 36.543817] Dumping ftrace buffer: [ 36.547350] (ftrace buffer empty) [ 36.551032] Kernel Offset: disabled [ 36.554631] Rebooting in 86400 seconds..