[....] Starting enhanced syslogd: rsyslogd[ 11.850127] audit: type=1400 audit(1515666165.671:5): avc: denied { syslog } for pid=3351 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: [ 19.940283] audit: type=1400 audit(1515666173.761:6): avc: denied { map } for pid=3491 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 '10.128.15.234' (ECDSA) to the list of known hosts. [ 35.154528] audit: type=1400 audit(1515666188.976:7): avc: denied { map } for pid=3508 comm="syzkaller086132" path="/root/syzkaller086132306" 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 [ 35.180594] audit: type=1400 audit(1515666188.976:8): avc: denied { sys_admin } for pid=3508 comm="syzkaller086132" 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 [ 35.209458] audit: type=1400 audit(1515666189.031:9): avc: denied { sys_chroot } for pid=3509 comm="syzkaller086132" 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 [ 35.234624] audit: type=1400 audit(1515666189.032:10): avc: denied { map_create } for pid=3509 comm="syzkaller086132" 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 [ 35.257395] audit: type=1400 audit(1515666189.032:11): avc: denied { map_read map_write } for pid=3509 comm="syzkaller086132" 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 [ 35.283065] kasan: CONFIG_KASAN_INLINE enabled [ 35.287702] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.295247] general protection fault: 0000 [#1] SMP KASAN [ 35.300767] Dumping ftrace buffer: [ 35.304278] (ftrace buffer empty) [ 35.307956] Modules linked in: [ 35.311130] CPU: 1 PID: 3509 Comm: syzkaller086132 Not tainted 4.15.0-rc7-mm1+ #53 [ 35.318804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.328141] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 35.332777] RSP: 0018:ffff8801bf49f718 EFLAGS: 00010a03 [ 35.338113] RAX: 1c540036e00001b9 RBX: 0000000000000001 RCX: ffffffff817e69de [ 35.345360] RDX: 0000000000000000 RSI: 0000000000000001 RDI: e2a001b700000db5 [ 35.352604] RBP: ffff8801bf49f7f8 R08: 0000000000000000 R09: 0000000000000000 [ 35.359848] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037e93ee6 [ 35.369005] R13: ffff8801bf49f7d0 R14: e2a001b700000db5 R15: dffffc0000000000 [ 35.376256] FS: 000000000249f880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 35.384800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.390658] CR2: 00000000204f9fe4 CR3: 0000000006822001 CR4: 00000000001606e0 [ 35.397904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.405139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.412374] Call Trace: [ 35.414988] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 35.419974] ? locks_remove_file+0x3fa/0x5a0 [ 35.424351] ? fcntl_setlk+0x10c0/0x10c0 [ 35.428385] bpf_prog_put+0x1a/0x20 [ 35.431980] prog_fd_array_put_ptr+0x15/0x20 [ 35.436789] bpf_fd_array_map_clear+0xd2/0x140 [ 35.441337] ? __bpf_map_put+0x2e0/0x2e0 [ 35.445364] bpf_map_put_uref+0x54/0x70 [ 35.449304] bpf_map_release+0x91/0xc0 [ 35.453159] __fput+0x327/0x7e0 [ 35.456407] ? fput+0x140/0x140 [ 35.459654] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.465505] ____fput+0x15/0x20 [ 35.468753] task_work_run+0x199/0x270 [ 35.472606] ? task_work_cancel+0x210/0x210 [ 35.476903] ? free_nsproxy+0x185/0x1f0 [ 35.480844] ? switch_task_namespaces+0xa2/0xc0 [ 35.485484] do_exit+0x9bb/0x1ad0 [ 35.488904] ? __pmd_alloc+0x4e0/0x4e0 [ 35.492757] ? vma_link+0xe9/0x170 [ 35.496273] ? mm_update_next_owner+0x930/0x930 [ 35.500913] ? find_held_lock+0x35/0x1d0 [ 35.504947] ? handle_mm_fault+0x2a0/0x930 [ 35.509149] ? find_held_lock+0x35/0x1d0 [ 35.513182] ? __do_page_fault+0x5f7/0xc90 [ 35.517387] ? lock_downgrade+0x980/0x980 [ 35.521506] ? down_read_trylock+0xdb/0x170 [ 35.525794] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.530342] ? vmacache_find+0x5f/0x280 [ 35.534280] ? vmacache_update+0xfe/0x130 [ 35.538395] ? up_read+0x1a/0x40 [ 35.541727] ? __do_page_fault+0x3d6/0xc90 [ 35.545933] ? mm_fault_error+0x2c0/0x2c0 [ 35.550051] ? do_page_fault+0xee/0x720 [ 35.553993] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 35.559494] ? __do_page_fault+0xc90/0xc90 [ 35.563710] do_group_exit+0x149/0x400 [ 35.568228] ? SyS_exit+0x30/0x30 [ 35.571669] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.576655] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.581377] SyS_exit_group+0x1d/0x20 [ 35.585148] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.589887] RIP: 0033:0x440a69 [ 35.593056] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 35.600752] RAX: ffffffffffffffda RBX: 00007ffc254a4810 RCX: 0000000000440a69 [ 35.607992] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 35.615227] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.622462] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 35.629697] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 35.637212] 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 [ 35.659233] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf49f718 [ 35.665405] ---[ end trace f8e233ba5d50fe09 ]--- [ 35.670149] Kernel panic - not syncing: Fatal exception [ 35.676136] Dumping ftrace buffer: [ 35.679647] (ftrace buffer empty) [ 35.683323] Kernel Offset: disabled [ 35.686916] Rebooting in 86400 seconds..