[....] Starting enhanced syslogd: rsyslogd[ 15.135693] audit: type=1400 audit(1520362283.268:5): avc: denied { syslog } for pid=4033 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.066597] audit: type=1400 audit(1520362286.199:6): avc: denied { map } for pid=4173 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 '10.128.0.41' (ECDSA) to the list of known hosts. [ 24.324873] audit: type=1400 audit(1520362292.457:7): avc: denied { map } for pid=4187 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 2018/03/06 18:51:32 parsed 1 programs 2018/03/06 18:51:32 executed programs: 0 [ 24.577255] audit: type=1400 audit(1520362292.709:8): avc: denied { map } for pid=4187 comm="syz-execprog" path="/root/syzkaller-shm290126058" 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 [ 24.589992] IPVS: ftp: loaded support on port[0] = 21 [ 24.634630] kasan: CONFIG_KASAN_INLINE enabled [ 24.639274] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.646749] general protection fault: 0000 [#1] SMP KASAN [ 24.652272] Dumping ftrace buffer: [ 24.655782] (ftrace buffer empty) [ 24.659462] Modules linked in: [ 24.662638] CPU: 0 PID: 4195 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 24.669878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.679210] RIP: 0010:rdma_init_qp_attr+0x8b/0x720 [ 24.684106] RSP: 0018:ffff8801b886f7f0 EFLAGS: 00010202 [ 24.689437] RAX: dffffc0000000000 RBX: ffff8801b4ddfb40 RCX: ffffffff841b86df [ 24.696676] RDX: 0000000000000029 RSI: ffff8801b886f978 RDI: 0000000000000148 [ 24.703914] RBP: ffff8801b886f830 R08: ffffed003710df44 R09: ffff8801b886f97c [ 24.711159] R10: 0000000000000000 R11: ffffed003710df43 R12: ffff8801b886f978 [ 24.718400] R13: ffff8801b886f8b8 R14: 0000000000000000 R15: ffff8801b886f8b8 [ 24.725641] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:000000000a372900 [ 24.733835] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 24.739688] CR2: 0000000008138024 CR3: 00000001b8a00003 CR4: 00000000001606f0 [ 24.746935] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.754177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.761417] Call Trace: [ 24.763983] ucma_init_qp_attr+0x20b/0x3e0 [ 24.768188] ? ucma_notify+0x1a0/0x1a0 [ 24.772052] ? find_held_lock+0x35/0x1d0 [ 24.776087] ? __might_fault+0x110/0x1d0 [ 24.780121] ? lock_downgrade+0x980/0x980 [ 24.784244] ? lock_release+0xa40/0xa40 [ 24.788190] ? check_same_owner+0x320/0x320 [ 24.792492] ? kasan_check_write+0x14/0x20 [ 24.796699] ucma_write+0x2d6/0x3d0 [ 24.800298] ? ucma_notify+0x1a0/0x1a0 [ 24.804157] ? ucma_resolve_route+0x1a0/0x1a0 [ 24.808624] ? ucma_resolve_route+0x1a0/0x1a0 [ 24.813089] __vfs_write+0xef/0x970 [ 24.816687] ? rcu_note_context_switch+0x710/0x710 [ 24.821585] ? kernel_read+0x120/0x120 [ 24.825455] ? __might_sleep+0x95/0x190 [ 24.829403] ? _cond_resched+0x14/0x30 [ 24.833262] ? __inode_security_revalidate+0xd9/0x130 [ 24.838423] ? avc_policy_seqno+0x9/0x20 [ 24.842457] ? selinux_file_permission+0x82/0x460 [ 24.847271] ? security_file_permission+0x89/0x1e0 [ 24.852174] ? rw_verify_area+0xe5/0x2b0 [ 24.856207] ? __fdget_raw+0x20/0x20 [ 24.859894] vfs_write+0x189/0x510 [ 24.863410] SyS_write+0xef/0x220 [ 24.866836] ? __do_page_fault+0x3d6/0xc90 [ 24.871044] ? SyS_read+0x220/0x220 [ 24.874645] ? do_fast_syscall_32+0x156/0xf9f [ 24.879112] ? SyS_read+0x220/0x220 [ 24.882713] do_fast_syscall_32+0x3ec/0xf9f [ 24.887009] ? do_int80_syscall_32+0x9c0/0x9c0 [ 24.891566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.896294] ? syscall_return_slowpath+0x2ac/0x550 [ 24.901195] ? prepare_exit_to_usermode+0x350/0x350 [ 24.906195] ? sysret32_from_system_call+0x5/0x3c [ 24.911016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.915835] entry_SYSENTER_compat+0x70/0x7f [ 24.920211] RIP: 0023:0xf7f76c99 [ 24.923546] RSP: 002b:00000000ffb2950c EFLAGS: 00000282 ORIG_RAX: 0000000000000004 [ 24.931223] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 24.938467] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.945710] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.952950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 24.960193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 24.967440] Code: 00 00 00 fc ff df 80 3c 02 00 0f 85 8c 06 00 00 4c 8b 33 48 b8 00 00 00 00 00 fc ff df 49 8d be 48 01 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 06 00 00 44 0f b6 7d d4 48 b8 00 00 00 00 [ 24.986511] RIP: rdma_init_qp_attr+0x8b/0x720 RSP: ffff8801b886f7f0 [ 24.992952] ---[ end trace c132667bc5f1e83c ]--- [ 24.997720] Kernel panic - not syncing: Fatal exception [ 25.003522] Dumping ftrace buffer: [ 25.007035] (ftrace buffer empty) [ 25.010714] Kernel Offset: disabled [ 25.014313] Rebooting in 86400 seconds..