[....] Starting enhanced syslogd: rsyslogd[ 12.219287] audit: type=1400 audit(1515718022.694:5): avc: denied { syslog } for pid=3359 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: [ 16.980763] audit: type=1400 audit(1515718027.455:6): avc: denied { map } for pid=3500 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 '10.128.0.31' (ECDSA) to the list of known hosts. [ 23.192362] audit: type=1400 audit(1515718033.667:7): avc: denied { map } for pid=3514 comm="syzkaller243264" path="/root/syzkaller243264377" 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 [ 23.218361] audit: type=1400 audit(1515718033.667:8): avc: denied { sys_admin } for pid=3514 comm="syzkaller243264" 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 [ 23.247489] audit: type=1400 audit(1515718033.722:9): avc: denied { sys_chroot } for pid=3515 comm="syzkaller243264" 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 [ 23.272056] audit: type=1400 audit(1515718033.724:10): avc: denied { map_create } for pid=3515 comm="syzkaller243264" 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 [ 23.295317] audit: type=1400 audit(1515718033.724:11): avc: denied { map_read map_write } for pid=3515 comm="syzkaller243264" 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 [ 23.319936] kasan: CONFIG_KASAN_INLINE enabled [ 23.324544] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.331932] general protection fault: 0000 [#1] SMP KASAN [ 23.337448] Dumping ftrace buffer: [ 23.340955] (ftrace buffer empty) [ 23.344636] Modules linked in: [ 23.347797] CPU: 0 PID: 3515 Comm: syzkaller243264 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 23.356423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.365749] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 23.370384] RSP: 0018:ffff8801bf93f718 EFLAGS: 00010a02 [ 23.375710] RAX: 12a40036e00001ba RBX: 0000000000000001 RCX: ffffffff817ea71e [ 23.382953] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 952001b700000dbb [ 23.390195] RBP: ffff8801bf93f7f8 R08: 0000000000000000 R09: 0000000000000000 [ 23.397441] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037f27ee6 [ 23.404679] R13: ffff8801bf93f7d0 R14: 952001b700000dbb R15: dffffc0000000000 [ 23.411915] FS: 000000000156c880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 23.420106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.425952] CR2: 00000000204f9fe4 CR3: 0000000006822001 CR4: 00000000001606f0 [ 23.433190] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.440427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.447663] Call Trace: [ 23.450226] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 23.455221] ? locks_remove_file+0x3fa/0x5a0 [ 23.459610] ? fcntl_setlk+0x10c0/0x10c0 [ 23.463637] bpf_prog_put+0x1a/0x20 [ 23.467240] prog_fd_array_put_ptr+0x15/0x20 [ 23.471613] bpf_fd_array_map_clear+0xd2/0x140 [ 23.476161] ? __bpf_map_put+0x2e0/0x2e0 [ 23.480189] bpf_map_put_uref+0x54/0x70 [ 23.484129] bpf_map_release+0x91/0xc0 [ 23.487982] __fput+0x327/0x7e0 [ 23.491237] ? fput+0x140/0x140 [ 23.494484] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.500338] ____fput+0x15/0x20 [ 23.503584] task_work_run+0x199/0x270 [ 23.507440] ? task_work_cancel+0x210/0x210 [ 23.511734] ? free_nsproxy+0x185/0x1f0 [ 23.515675] ? switch_task_namespaces+0xa2/0xc0 [ 23.520329] do_exit+0x9bb/0x1ad0 [ 23.523762] ? __pmd_alloc+0x4e0/0x4e0 [ 23.527621] ? vma_link+0xe9/0x170 [ 23.531131] ? mm_update_next_owner+0x930/0x930 [ 23.535772] ? find_held_lock+0x35/0x1d0 [ 23.539803] ? handle_mm_fault+0x2a0/0x930 [ 23.544011] ? find_held_lock+0x35/0x1d0 [ 23.548050] ? __do_page_fault+0x5f7/0xc90 [ 23.552253] ? lock_downgrade+0x980/0x980 [ 23.556371] ? down_read_trylock+0xdb/0x170 [ 23.560669] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 23.565318] ? vmacache_find+0x5f/0x280 [ 23.569256] ? vmacache_update+0xfe/0x130 [ 23.573370] ? up_read+0x1a/0x40 [ 23.576703] ? __do_page_fault+0x3d6/0xc90 [ 23.580914] ? mm_fault_error+0x2c0/0x2c0 [ 23.585133] ? do_page_fault+0xee/0x720 [ 23.589086] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 23.594595] ? __do_page_fault+0xc90/0xc90 [ 23.598823] do_group_exit+0x149/0x400 [ 23.602684] ? SyS_exit+0x30/0x30 [ 23.606115] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.611100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.615829] SyS_exit_group+0x1d/0x20 [ 23.619597] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 23.624326] RIP: 0033:0x440a69 [ 23.627571] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 23.635244] RAX: ffffffffffffffda RBX: 00007fffe6012da0 RCX: 0000000000440a69 [ 23.642482] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 23.649718] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.656954] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 23.664190] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 23.671440] 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 [ 23.690506] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf93f718 [ 23.696702] ---[ end trace 88298012349bce91 ]--- [ 23.701451] Kernel panic - not syncing: Fatal exception [ 23.707151] Dumping ftrace buffer: [ 23.710663] (ftrace buffer empty) [ 23.714345] Kernel Offset: disabled [ 23.717953] Rebooting in 86400 seconds..