[....] Starting enhanced syslogd: rsyslogd[ 11.818654] audit: type=1400 audit(1515636728.381:5): avc: denied { syslog } for pid=3320 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: [ 16.844979] audit: type=1400 audit(1515636733.407:6): avc: denied { map } for pid=3458 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 '10.128.15.205' (ECDSA) to the list of known hosts. [ 31.475417] audit: type=1400 audit(1515636748.038:7): avc: denied { map } for pid=3475 comm="syzkaller268720" path="/root/syzkaller268720120" 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 [ 31.501362] audit: type=1400 audit(1515636748.042:8): avc: denied { sys_admin } for pid=3475 comm="syzkaller268720" 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 [ 31.532483] audit: type=1400 audit(1515636748.095:9): avc: denied { sys_chroot } for pid=3476 comm="syzkaller268720" 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 [ 31.557188] audit: type=1400 audit(1515636748.096:10): avc: denied { map_create } for pid=3476 comm="syzkaller268720" 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 [ 31.579846] audit: type=1400 audit(1515636748.096:11): avc: denied { map_read map_write } for pid=3476 comm="syzkaller268720" 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 [ 31.606081] kasan: CONFIG_KASAN_INLINE enabled [ 31.610718] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.618099] general protection fault: 0000 [#1] SMP KASAN [ 31.623616] Dumping ftrace buffer: [ 31.627129] (ftrace buffer empty) [ 31.630805] Modules linked in: [ 31.634699] CPU: 1 PID: 3476 Comm: syzkaller268720 Not tainted 4.15.0-rc7-mm1+ #53 [ 31.642370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.651695] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 31.656326] RSP: 0018:ffff8801c01b7718 EFLAGS: 00010a03 [ 31.661653] RAX: 15340037200001b5 RBX: 0000000000000001 RCX: ffffffff817e69de [ 31.668889] RDX: 0000000000000000 RSI: 0000000000000001 RDI: a9a001b900000d94 [ 31.676124] RBP: ffff8801c01b77f8 R08: 0000000000000000 R09: 0000000000000000 [ 31.683358] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10038036ee6 [ 31.690600] R13: ffff8801c01b77d0 R14: a9a001b900000d94 R15: dffffc0000000000 [ 31.697842] FS: 00000000021db880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 31.706034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.711883] CR2: 00000000204f9fe4 CR3: 0000000006822006 CR4: 00000000001606e0 [ 31.719120] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.726354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.733589] Call Trace: [ 31.736146] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 31.741128] ? locks_remove_file+0x3fa/0x5a0 [ 31.745501] ? fcntl_setlk+0x10c0/0x10c0 [ 31.749528] bpf_prog_put+0x1a/0x20 [ 31.753122] prog_fd_array_put_ptr+0x15/0x20 [ 31.757502] bpf_fd_array_map_clear+0xd2/0x140 [ 31.762057] ? __bpf_map_put+0x2e0/0x2e0 [ 31.766082] bpf_map_put_uref+0x54/0x70 [ 31.770020] bpf_map_release+0x91/0xc0 [ 31.774046] __fput+0x327/0x7e0 [ 31.777293] ? fput+0x140/0x140 [ 31.780546] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.786398] ____fput+0x15/0x20 [ 31.789641] task_work_run+0x199/0x270 [ 31.793493] ? task_work_cancel+0x210/0x210 [ 31.797784] ? free_nsproxy+0x185/0x1f0 [ 31.801737] ? switch_task_namespaces+0xa2/0xc0 [ 31.806374] do_exit+0x9bb/0x1ad0 [ 31.809797] ? __pmd_alloc+0x4e0/0x4e0 [ 31.813649] ? vma_link+0xe9/0x170 [ 31.817163] ? mm_update_next_owner+0x930/0x930 [ 31.821800] ? find_held_lock+0x35/0x1d0 [ 31.825829] ? handle_mm_fault+0x2a0/0x930 [ 31.830029] ? find_held_lock+0x35/0x1d0 [ 31.834058] ? __do_page_fault+0x5f7/0xc90 [ 31.838267] ? lock_downgrade+0x980/0x980 [ 31.842386] ? down_read_trylock+0xdb/0x170 [ 31.846673] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 31.851217] ? vmacache_find+0x5f/0x280 [ 31.855155] ? vmacache_update+0xfe/0x130 [ 31.859276] ? up_read+0x1a/0x40 [ 31.862612] ? __do_page_fault+0x3d6/0xc90 [ 31.866818] ? mm_fault_error+0x2c0/0x2c0 [ 31.870935] ? do_page_fault+0xee/0x720 [ 31.874884] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 31.880386] ? __do_page_fault+0xc90/0xc90 [ 31.884588] do_group_exit+0x149/0x400 [ 31.888441] ? SyS_exit+0x30/0x30 [ 31.891860] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.896840] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.901564] SyS_exit_group+0x1d/0x20 [ 31.905331] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 31.910050] RIP: 0033:0x440a69 [ 31.913203] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 31.920875] RAX: ffffffffffffffda RBX: 00007ffdc22583b0 RCX: 0000000000440a69 [ 31.928109] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 31.935344] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.942579] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 31.949815] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 31.957058] 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 [ 31.976120] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801c01b7718 [ 31.982295] ---[ end trace af598aca66f67643 ]--- [ 31.987046] Kernel panic - not syncing: Fatal exception [ 31.992753] Dumping ftrace buffer: [ 31.996264] (ftrace buffer empty) [ 31.999942] Kernel Offset: disabled [ 32.003535] Rebooting in 86400 seconds..