[....] Starting enhanced syslogd: rsyslogd[ 11.915677] audit: type=1400 audit(1515571651.613:5): avc: denied { syslog } for pid=3356 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: [ 17.545606] audit: type=1400 audit(1515571657.243:6): avc: denied { map } for pid=3497 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 '10.128.0.13' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 23.748235] audit: type=1400 audit(1515571663.445:7): avc: denied { map } for pid=3511 comm="syzkaller597104" path="/root/syzkaller597104059" 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 executing program [ 23.875202] audit: type=1400 audit(1515571663.571:8): avc: denied { sys_admin } for pid=3511 comm="syzkaller597104" 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 [ 23.927460] audit: type=1400 audit(1515571663.625:9): avc: denied { sys_chroot } for pid=3537 comm="syzkaller597104" 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 [ 23.952198] audit: type=1400 audit(1515571663.627:10): avc: denied { map_create } for pid=3537 comm="syzkaller597104" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 23.974877] audit: type=1400 audit(1515571663.627:11): avc: denied { map_read map_write } for pid=3537 comm="syzkaller597104" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 24.001288] kasan: CONFIG_KASAN_INLINE enabled [ 24.005918] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.013311] general protection fault: 0000 [#1] SMP KASAN [ 24.018826] Dumping ftrace buffer: [ 24.022368] (ftrace buffer empty) [ 24.026043] Modules linked in: [ 24.029203] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 24.037220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.046552] Workqueue: events bpf_map_free_deferred [ 24.051539] RIP: 0010:__bpf_map_put+0x64/0x2e0 [ 24.056086] RSP: 0018:ffff8801d98b7458 EFLAGS: 00010293 [ 24.061417] RAX: ffff8801d98ac600 RBX: ad6001bc00000dd1 RCX: ffffffff817e4454 [ 24.068652] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ad6001bc00000dd1 [ 24.075892] RBP: ffff8801d98b74e8 R08: 1ffff1003b316e6a R09: 0000000000000000 [ 24.083127] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b316e8c [ 24.090361] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 24.097597] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 24.105786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.111640] CR2: 00000000204f9fe4 CR3: 0000000006822003 CR4: 00000000001606e0 [ 24.118892] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.126129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.133365] Call Trace: [ 24.135921] ? bpf_prog_inc+0x20/0x20 [ 24.139690] ? kfree+0xf3/0x260 [ 24.142942] ? bpf_map_meta_free+0x15/0x20 [ 24.147144] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.152130] bpf_map_put+0x1a/0x20 [ 24.155636] bpf_map_fd_put_ptr+0x15/0x20 [ 24.159749] array_of_map_free+0x100/0x180 [ 24.163951] bpf_map_free_deferred+0xb0/0xe0 [ 24.168337] process_one_work+0xbbf/0x1af0 [ 24.172539] ? trace_hardirqs_on+0xd/0x10 [ 24.176675] ? pwq_dec_nr_in_flight+0x450/0x450 [ 24.181320] ? __switch_to_asm+0x43/0x80 [ 24.185355] ? __switch_to_asm+0x43/0x80 [ 24.189381] ? __switch_to_asm+0x53/0x80 [ 24.193409] ? __switch_to_asm+0x43/0x80 [ 24.197451] ? __switch_to_asm+0x53/0x80 [ 24.201494] ? __switch_to_asm+0x43/0x80 [ 24.205545] ? __schedule+0x8f3/0x2060 [ 24.209413] ? update_curr+0x2e3/0xa60 [ 24.213293] ? check_noncircular+0x20/0x20 [ 24.217511] ? __lock_is_held+0xb6/0x140 [ 24.221557] ? lock_acquire+0x1d5/0x580 [ 24.225496] ? lock_acquire+0x1d5/0x580 [ 24.229435] ? worker_thread+0x4a3/0x1990 [ 24.233547] ? lock_downgrade+0x980/0x980 [ 24.237662] ? lock_release+0xa40/0xa40 [ 24.241602] ? retint_kernel+0x10/0x10 [ 24.245457] ? do_raw_spin_trylock+0x190/0x190 [ 24.250020] worker_thread+0x223/0x1990 [ 24.253971] ? process_one_work+0x1af0/0x1af0 [ 24.258434] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.262896] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.267876] ? trace_hardirqs_on+0xd/0x10 [ 24.271989] ? mmdrop+0x18/0x30 [ 24.275237] ? finish_task_switch+0x1f6/0x740 [ 24.279698] ? __switch_to_asm+0x43/0x80 [ 24.283726] ? __switch_to_asm+0x53/0x80 [ 24.287749] ? __switch_to_asm+0x43/0x80 [ 24.291775] ? copy_overflow+0x20/0x20 [ 24.295625] ? __switch_to_asm+0x43/0x80 [ 24.299651] ? __switch_to_asm+0x43/0x80 [ 24.303681] ? __switch_to_asm+0x53/0x80 [ 24.307710] ? __switch_to_asm+0x43/0x80 [ 24.311733] ? __switch_to_asm+0x53/0x80 [ 24.315756] ? __switch_to_asm+0x43/0x80 [ 24.319780] ? __switch_to_asm+0x53/0x80 [ 24.323811] ? __switch_to_asm+0x43/0x80 [ 24.327840] ? __schedule+0x8f3/0x2060 [ 24.331707] ? find_held_lock+0x35/0x1d0 [ 24.335736] ? find_held_lock+0x35/0x1d0 [ 24.339765] ? complete+0x62/0x80 [ 24.343203] ? __schedule+0x2060/0x2060 [ 24.347142] ? do_wait_intr_irq+0x3e0/0x3e0 [ 24.351430] ? __lockdep_init_map+0xe4/0x650 [ 24.355803] ? do_raw_spin_trylock+0x190/0x190 [ 24.360349] ? lockdep_init_map+0x9/0x10 [ 24.364374] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 24.369445] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.374426] ? trace_hardirqs_on+0xd/0x10 [ 24.378544] ? __kthread_parkme+0x175/0x240 [ 24.382832] kthread+0x33c/0x400 [ 24.386169] ? process_one_work+0x1af0/0x1af0 [ 24.390626] ? kthread_stop+0x7a0/0x7a0 [ 24.394567] ret_from_fork+0x4b/0x60 [ 24.398249] Code: b5 41 48 c7 45 80 1d 2c 59 86 48 c7 45 88 f0 43 7e 81 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f3 f3 f3 f3 e8 9c 1e f2 ff ff 4b 48 74 2f e8 91 1e f2 ff 48 b8 00 00 00 00 00 fc ff df [ 24.417313] RIP: __bpf_map_put+0x64/0x2e0 RSP: ffff8801d98b7458 [ 24.423410] ---[ end trace 61592f27aaa1e096 ]--- [ 24.428179] Kernel panic - not syncing: Fatal exception [ 24.433921] Dumping ftrace buffer: [ 24.437431] (ftrace buffer empty) [ 24.441106] Kernel Offset: disabled [ 24.444705] Rebooting in 86400 seconds..