[ 12.653479] audit: type=1400 audit(1515729081.901:5): avc: denied { syslog } for pid=3345 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?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: [ 23.966005] audit: type=1400 audit(1515729093.213:6): 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 '10.128.0.23' (ECDSA) to the list of known hosts. [ 30.007101] audit: type=1400 audit(1515729099.254:7): avc: denied { map } for pid=3510 comm="syzkaller394929" path="/root/syzkaller394929893" 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 [ 30.033117] audit: type=1400 audit(1515729099.255:8): avc: denied { sys_admin } for pid=3510 comm="syzkaller394929" 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 executing program [ 30.067580] audit: type=1400 audit(1515729099.315:9): avc: denied { sys_chroot } for pid=3511 comm="syzkaller394929" 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 [ 30.092136] audit: type=1400 audit(1515729099.315:10): avc: denied { map_create } for pid=3511 comm="syzkaller394929" 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 [ 30.114830] audit: type=1400 audit(1515729099.316:11): avc: denied { map_read map_write } for pid=3511 comm="syzkaller394929" 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 [ 30.141319] kasan: CONFIG_KASAN_INLINE enabled [ 30.145971] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.153536] general protection fault: 0000 [#1] SMP KASAN [ 30.159048] Dumping ftrace buffer: [ 30.162558] (ftrace buffer empty) [ 30.166247] Modules linked in: [ 30.169407] CPU: 0 PID: 3511 Comm: syzkaller394929 Not tainted 4.15.0-rc7-mm1+ #54 [ 30.177079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.186409] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 30.191041] RSP: 0018:ffff8801bf567718 EFLAGS: 00010a03 [ 30.196380] RAX: 11680036e00001b9 RBX: 0000000000000001 RCX: ffffffff817ea5ae [ 30.203625] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 8b4001b700000db7 [ 30.210863] RBP: ffff8801bf5677f8 R08: 0000000000000000 R09: 0000000000000000 [ 30.218099] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037eacee6 [ 30.225344] R13: ffff8801bf5677d0 R14: 8b4001b700000db7 R15: dffffc0000000000 [ 30.233288] FS: 00000000014d3880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 30.241484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.247332] CR2: 0000000020f01fd4 CR3: 0000000006822005 CR4: 00000000001606f0 [ 30.254578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.261830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.269067] Call Trace: [ 30.271630] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 30.276627] ? locks_remove_file+0x3fa/0x5a0 [ 30.281003] ? fcntl_setlk+0x10c0/0x10c0 [ 30.285032] bpf_prog_put+0x1a/0x20 [ 30.288627] prog_fd_array_put_ptr+0x15/0x20 [ 30.293027] bpf_fd_array_map_clear+0xd2/0x140 [ 30.297592] ? __bpf_map_put+0x2e0/0x2e0 [ 30.301640] bpf_map_put_uref+0x54/0x70 [ 30.305600] bpf_map_release+0x91/0xc0 [ 30.309478] __fput+0x327/0x7e0 [ 30.312734] ? fput+0x140/0x140 [ 30.315985] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.321839] ____fput+0x15/0x20 [ 30.325115] task_work_run+0x199/0x270 [ 30.328994] ? task_work_cancel+0x210/0x210 [ 30.333289] ? free_nsproxy+0x185/0x1f0 [ 30.337232] ? switch_task_namespaces+0xa2/0xc0 [ 30.341871] do_exit+0x9bb/0x1ad0 [ 30.345297] ? __pmd_alloc+0x4e0/0x4e0 [ 30.349149] ? vma_link+0xe9/0x170 [ 30.352665] ? mm_update_next_owner+0x930/0x930 [ 30.357301] ? find_held_lock+0x35/0x1d0 [ 30.361341] ? handle_mm_fault+0x2a0/0x930 [ 30.365546] ? find_held_lock+0x35/0x1d0 [ 30.369579] ? __do_page_fault+0x5f7/0xc90 [ 30.373782] ? lock_downgrade+0x980/0x980 [ 30.377906] ? down_read_trylock+0xdb/0x170 [ 30.382201] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 30.386749] ? vmacache_find+0x5f/0x280 [ 30.390699] ? vmacache_update+0xfe/0x130 [ 30.394821] ? up_read+0x1a/0x40 [ 30.398172] ? __do_page_fault+0x3d6/0xc90 [ 30.402381] ? mm_fault_error+0x2c0/0x2c0 [ 30.406508] ? do_page_fault+0xee/0x720 [ 30.410460] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.415968] ? __do_page_fault+0xc90/0xc90 [ 30.420179] do_group_exit+0x149/0x400 [ 30.424038] ? SyS_exit+0x30/0x30 [ 30.427474] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.432455] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.437185] SyS_exit_group+0x1d/0x20 [ 30.440956] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.445679] RIP: 0033:0x440a69 [ 30.448840] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 30.456513] RAX: ffffffffffffffda RBX: 00007fffef3ebc90 RCX: 0000000000440a69 [ 30.463748] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 30.470982] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.478221] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 30.485459] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 30.492702] 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 [ 30.511779] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf567718 [ 30.517974] ---[ end trace 2ed721f71aab6ea0 ]--- [ 30.522871] Kernel panic - not syncing: Fatal exception [ 30.528246] Dumping ftrace buffer: [ 30.531758] (ftrace buffer empty) [ 30.535439] Kernel Offset: disabled [ 30.539043] Rebooting in 86400 seconds..