[....] Starting enhanced syslogd: rsyslogd[ 5.833998] audit: type=1400 audit(1513156273.339:5): avc: denied { syslog } for pid=2966 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 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 10.163573] audit: type=1400 audit(1513156277.669:6): avc: denied { map } for pid=3101 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 'ci-upstream-next-kasan-gce-2,10.128.0.62' (ECDSA) to the list of known hosts. [ 123.489388] audit: type=1400 audit(1513156390.995:7): avc: denied { map } for pid=3121 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 2017/12/13 09:13:11 parsed 1 programs 2017/12/13 09:13:11 executed programs: 0 [ 123.939472] audit: type=1400 audit(1513156391.445:8): avc: denied { map } for pid=3121 comm="syz-execprog" path="/root/syzkaller-shm534766603" 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 2017/12/13 09:13:16 executed programs: 722 2017/12/13 09:13:21 executed programs: 1374 [ 137.548453] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 137.557264] IP: irq_bypass_register_consumer+0xbe/0x200 [ 137.564084] PGD 20d26c067 P4D 20d26c067 PUD 20d26f067 PMD 0 [ 137.569883] Oops: 0000 [#1] SMP [ 137.573150] Dumping ftrace buffer: [ 137.576671] (ftrace buffer empty) [ 137.580361] Modules linked in: [ 137.583535] CPU: 1 PID: 8627 Comm: syz-executor7 Not tainted 4.15.0-rc3-next-20171213+ #66 [ 137.592835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.602705] RIP: 0010:irq_bypass_register_consumer+0xbe/0x200 [ 137.608571] RSP: 0018:ffffc9000691fd50 EFLAGS: 00010293 [ 137.613919] RAX: ffff88021431e2c0 RBX: 0000000000000000 RCX: ffffffff825a774e [ 137.621605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 137.628853] RBP: ffffc9000691fd70 R08: ffffffff825a7710 R09: 0000000000000004 [ 137.636105] R10: ffffc9000691fd40 R11: 0000000000000004 R12: ffff88020d3d5368 [ 137.643360] R13: ffff88020ef7c980 R14: ffff88020eef2768 R15: ffff88020d370000 [ 137.650618] FS: 00007f2d09cf8700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 137.660642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.668251] CR2: 0000000000000010 CR3: 00000002143f1000 CR4: 00000000001426e0 [ 137.675595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 137.682860] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 137.690114] Call Trace: [ 137.692697] kvm_irqfd+0x6d4/0x860 [ 137.696327] kvm_vm_ioctl+0x3e2/0x9f0 [ 137.700125] ? debug_lockdep_rcu_enabled+0x1d/0x30 [ 137.705050] ? selinux_file_ioctl+0x152/0x210 [ 137.709968] ? kvm_set_memory_region+0x50/0x50 [ 137.714551] do_vfs_ioctl+0xaf/0x840 [ 137.718264] ? security_file_ioctl+0x51/0x80 [ 137.723007] ? security_file_ioctl+0x5d/0x80 [ 137.727409] SyS_ioctl+0x8f/0xc0 [ 137.730788] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 137.736744] RIP: 0033:0x452a39 [ 137.739915] RSP: 002b:00007f2d09cf7c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 137.747609] RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 [ 137.754862] RDX: 0000000020080fe0 RSI: 000000004020ae76 RDI: 0000000000000003 [ 137.762117] RBP: 0000000000000562 R08: 0000000000000000 R09: 0000000000000000 [ 137.771966] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f61d0 [ 137.779224] R13: 00000000ffffffff R14: 00007f2d09cf86d4 R15: 0000000000000000 [ 137.786503] Code: d1 fe 4d 8b 6c 24 10 4d 39 6e 10 74 2f 4d 39 f4 74 2a 4c 89 f3 e8 33 2c d1 fe 48 8b 1b 48 81 fb 60 e1 19 83 74 43 e8 22 2c d1 fe <4c> 39 6b 10 0f 94 c2 49 39 dc 0f 94 c0 08 c2 74 d9 e8 0c 2c d1 [ 137.805697] RIP: irq_bypass_register_consumer+0xbe/0x200 RSP: ffffc9000691fd50 [ 137.813038] CR2: 0000000000000010 [ 137.816567] ---[ end trace 28b4667ba051ea9a ]--- [ 137.826539] Kernel panic - not syncing: Fatal exception [ 137.832742] Dumping ftrace buffer: [ 137.836259] (ftrace buffer empty) [ 137.839940] Kernel Offset: disabled [ 137.843536] Rebooting in 86400 seconds..