[....] Starting enhanced syslogd: rsyslogd[ 12.492421] audit: type=1400 audit(1515717408.346:5): avc: denied { syslog } for pid=3352 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: [ 17.644427] audit: type=1400 audit(1515717413.498:6): avc: denied { map } for pid=3492 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 '10.128.0.34' (ECDSA) to the list of known hosts. [ 23.856005] audit: type=1400 audit(1515717419.709:7): avc: denied { map } for pid=3505 comm="syzkaller014664" path="/root/syzkaller014664266" 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 [ 23.882878] audit: type=1400 audit(1515717419.710:8): avc: denied { sys_admin } for pid=3505 comm="syzkaller014664" 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 [ 23.912514] audit: type=1400 audit(1515717419.766:9): avc: denied { sys_chroot } for pid=3507 comm="syzkaller014664" 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 [ 23.937082] audit: type=1400 audit(1515717419.768:10): avc: denied { map_create } for pid=3507 comm="syzkaller014664" 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 [ 23.959752] audit: type=1400 audit(1515717419.768:11): avc: denied { map_read map_write } for pid=3507 comm="syzkaller014664" 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 [ 23.986186] kasan: CONFIG_KASAN_INLINE enabled [ 23.990826] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.998212] general protection fault: 0000 [#1] SMP KASAN [ 24.003726] Dumping ftrace buffer: [ 24.007235] (ftrace buffer empty) [ 24.010914] Modules linked in: [ 24.014076] CPU: 1 PID: 3507 Comm: syzkaller014664 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 24.022618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.031947] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 24.036579] RSP: 0018:ffff8801bff87718 EFLAGS: 00010a02 [ 24.041907] RAX: 15340036e00001b9 RBX: 0000000000000001 RCX: ffffffff817ea71e [ 24.049142] RDX: 0000000000000000 RSI: 0000000000000001 RDI: a9a001b700000db3 [ 24.056379] RBP: ffff8801bff877f8 R08: 0000000000000000 R09: 0000000000000000 [ 24.063617] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037ff0ee6 [ 24.070853] R13: ffff8801bff877d0 R14: a9a001b700000db3 R15: dffffc0000000000 [ 24.078089] FS: 0000000001feb880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 24.086279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.092126] CR2: 0000000020000000 CR3: 0000000006822002 CR4: 00000000001606e0 [ 24.099373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.106612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.113847] Call Trace: [ 24.116408] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 24.121393] ? locks_remove_file+0x3fa/0x5a0 [ 24.125768] ? fcntl_setlk+0x10c0/0x10c0 [ 24.129796] bpf_prog_put+0x1a/0x20 [ 24.133390] prog_fd_array_put_ptr+0x15/0x20 [ 24.137764] bpf_fd_array_map_clear+0xd2/0x140 [ 24.142312] ? __bpf_map_put+0x2e0/0x2e0 [ 24.146338] bpf_map_put_uref+0x54/0x70 [ 24.150276] bpf_map_release+0x91/0xc0 [ 24.154131] __fput+0x327/0x7e0 [ 24.157378] ? fput+0x140/0x140 [ 24.160627] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 24.166480] ____fput+0x15/0x20 [ 24.169724] task_work_run+0x199/0x270 [ 24.173579] ? task_work_cancel+0x210/0x210 [ 24.177883] ? free_nsproxy+0x185/0x1f0 [ 24.181832] ? switch_task_namespaces+0xa2/0xc0 [ 24.186472] do_exit+0x9bb/0x1ad0 [ 24.189894] ? __pmd_alloc+0x4e0/0x4e0 [ 24.193756] ? vma_link+0xe9/0x170 [ 24.197265] ? mm_update_next_owner+0x930/0x930 [ 24.201898] ? find_held_lock+0x35/0x1d0 [ 24.205938] ? handle_mm_fault+0x2a0/0x930 [ 24.210140] ? find_held_lock+0x35/0x1d0 [ 24.214173] ? __do_page_fault+0x5f7/0xc90 [ 24.218375] ? lock_downgrade+0x980/0x980 [ 24.222493] ? down_read_trylock+0xdb/0x170 [ 24.226793] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 24.231348] ? vmacache_find+0x5f/0x280 [ 24.235293] ? vmacache_update+0xfe/0x130 [ 24.239410] ? up_read+0x1a/0x40 [ 24.242743] ? __do_page_fault+0x3d6/0xc90 [ 24.246948] ? mm_fault_error+0x2c0/0x2c0 [ 24.251067] ? do_page_fault+0xee/0x720 [ 24.255011] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 24.260512] ? __do_page_fault+0xc90/0xc90 [ 24.264716] do_group_exit+0x149/0x400 [ 24.268572] ? SyS_exit+0x30/0x30 [ 24.271995] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.276977] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.281705] SyS_exit_group+0x1d/0x20 [ 24.285477] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 24.290199] RIP: 0033:0x440a69 [ 24.293362] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 24.301034] RAX: ffffffffffffffda RBX: 00007ffd94ef3800 RCX: 0000000000440a69 [ 24.308271] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 24.315506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.322742] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 24.329988] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 24.337233] Code: f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 72 f9 f1 ff 49 8d 46 18 48 89 85 28 ff ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 44 05 00 00 49 8b 46 18 f0 ff 08 74 3b e8 [ 24.356301] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bff87718 [ 24.362629] ---[ end trace 7c59fd40ace0423a ]--- [ 24.367552] Kernel panic - not syncing: Fatal exception [ 24.373262] Dumping ftrace buffer: [ 24.376768] (ftrace buffer empty) [ 24.380448] Kernel Offset: disabled [ 24.384052] Rebooting in 86400 seconds..