[?25l[?1c7[ ok 8[?25h[?0c. [....] 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. [ 18.278506] audit: type=1400 audit(1520464735.572:6): avc: denied { map } for pid=4223 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: [ 140.534972] audit: type=1400 audit(1520464857.828:7): avc: denied { map } for pid=4241 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 2018/03/07 23:20:58 parsed 1 programs 2018/03/07 23:20:58 executed programs: 0 [ 140.773224] audit: type=1400 audit(1520464858.067:8): avc: denied { map } for pid=4241 comm="syz-execprog" path="/root/syzkaller-shm772070628" 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 [ 140.796911] IPVS: ftp: loaded support on port[0] = 21 [ 140.798805] audit: type=1400 audit(1520464858.073:9): avc: denied { sys_admin } for pid=4246 comm="syz-executor3" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 140.824479] IPVS: ftp: loaded support on port[0] = 21 [ 140.844261] audit: type=1400 audit(1520464858.136:10): avc: denied { sys_chroot } for pid=4251 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 140.868696] audit: type=1400 audit(1520464858.136:11): avc: denied { net_admin } for pid=4251 comm="syz-executor0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 140.884759] IPVS: ftp: loaded support on port[0] = 21 [ 140.920940] IPVS: ftp: loaded support on port[0] = 21 [ 140.947365] IPVS: ftp: loaded support on port[0] = 21 [ 140.972593] IPVS: ftp: loaded support on port[0] = 21 [ 140.998186] IPVS: ftp: loaded support on port[0] = 21 [ 141.028792] IPVS: ftp: loaded support on port[0] = 21 2018/03/07 23:21:03 executed programs: 883 2018/03/07 23:21:08 executed programs: 1677 2018/03/07 23:21:13 executed programs: 2474 2018/03/07 23:21:18 executed programs: 3270 2018/03/07 23:21:23 executed programs: 4070 2018/03/07 23:21:28 executed programs: 4864 2018/03/07 23:21:33 executed programs: 5652 2018/03/07 23:21:38 executed programs: 6432 2018/03/07 23:21:43 executed programs: 7220 2018/03/07 23:21:48 executed programs: 8002 2018/03/07 23:21:53 executed programs: 8788 [ 198.047198] kasan: CONFIG_KASAN_INLINE enabled [ 198.052004] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 198.059430] general protection fault: 0000 [#1] SMP KASAN [ 198.064948] Dumping ftrace buffer: [ 198.068468] (ftrace buffer empty) [ 198.072162] Modules linked in: [ 198.075343] CPU: 1 PID: 17511 Comm: syz-executor1 Not tainted 4.16.0-rc4+ #254 [ 198.082685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.092033] RIP: 0010:rdma_listen+0x72/0x8e0 [ 198.096421] RSP: 0018:ffff8801c7aef948 EFLAGS: 00010207 [ 198.101767] RAX: 0000000000000042 RBX: 0000000000000000 RCX: ffffffff841d7974 [ 198.109022] RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000214 [ 198.116275] RBP: ffff8801c7aef9e0 R08: 0000000000000000 R09: 0000000000000000 [ 198.123527] R10: ffffffff88613380 R11: 0000000000000000 R12: 1ffff10038f5df2b [ 198.130780] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000400 [ 198.138036] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7f7eb40 [ 198.146244] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 198.152104] CR2: 00000000f7ef3db0 CR3: 00000001b04e1003 CR4: 00000000001606e0 [ 198.159366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 198.166621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 198.173868] Call Trace: [ 198.176435] ? rdma_resolve_addr+0x26c0/0x26c0 [ 198.180997] ucma_listen+0x172/0x1f0 [ 198.184698] ? ucma_accept+0x970/0x970 [ 198.188570] ? kasan_check_write+0x14/0x20 [ 198.192776] ? _copy_from_user+0x99/0x110 [ 198.196899] ucma_write+0x2d6/0x3d0 [ 198.200495] ? ucma_accept+0x970/0x970 [ 198.204349] ? ucma_resolve_route+0x1a0/0x1a0 [ 198.208817] ? ucma_resolve_route+0x1a0/0x1a0 [ 198.213281] __vfs_write+0xef/0x970 [ 198.216881] ? rcu_note_context_switch+0x710/0x710 [ 198.221784] ? kernel_read+0x120/0x120 [ 198.225643] ? __might_sleep+0x95/0x190 [ 198.229588] ? _cond_resched+0x14/0x30 [ 198.233444] ? __inode_security_revalidate+0xd9/0x130 [ 198.238602] ? avc_policy_seqno+0x9/0x20 [ 198.242640] ? selinux_file_permission+0x82/0x460 [ 198.247456] ? security_file_permission+0x89/0x1e0 [ 198.252354] ? rw_verify_area+0xe5/0x2b0 [ 198.256384] ? __fdget_raw+0x20/0x20 [ 198.260067] vfs_write+0x189/0x510 [ 198.263576] SyS_write+0xef/0x220 [ 198.267001] ? SyS_read+0x220/0x220 [ 198.270603] ? do_fast_syscall_32+0x156/0xf9f [ 198.275069] ? SyS_read+0x220/0x220 [ 198.278664] do_fast_syscall_32+0x3ec/0xf9f [ 198.282954] ? _raw_spin_unlock_irq+0x27/0x70 [ 198.287421] ? do_int80_syscall_32+0x9c0/0x9c0 [ 198.291972] ? _raw_spin_unlock_irq+0x27/0x70 [ 198.296437] ? finish_task_switch+0x1c1/0x7e0 [ 198.300904] ? syscall_return_slowpath+0x2ac/0x550 [ 198.305803] ? prepare_exit_to_usermode+0x350/0x350 [ 198.310789] ? sysret32_from_system_call+0x5/0x3c [ 198.315603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.320420] entry_SYSENTER_compat+0x70/0x7f [ 198.324797] RIP: 0023:0xf7fa3c99 [ 198.328129] RSP: 002b:00000000f7f7e09c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 [ 198.335802] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020007100 [ 198.343337] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000 [ 198.350577] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 198.357816] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 198.365057] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 198.372302] Code: 10 79 1d 84 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f3 f3 f3 f3 e8 9c 8c 53 fd 48 8d bb 14 02 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f [ 198.391388] RIP: rdma_listen+0x72/0x8e0 RSP: ffff8801c7aef948 [ 198.397296] ---[ end trace 33ea3033cd5cd388 ]--- [ 198.402049] Kernel panic - not syncing: Fatal exception [ 198.407795] Dumping ftrace buffer: [ 198.411302] (ftrace buffer empty) [ 198.414980] Kernel Offset: disabled [ 198.418573] Rebooting in 86400 seconds..