[....] Starting enhanced syslogd: rsyslogd[ 12.393651] audit: type=1400 audit(1515651431.402:5): avc: denied { syslog } for pid=3356 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.013221] audit: type=1400 audit(1515651438.022:6): avc: denied { map } for pid=3496 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 '10.128.0.25' (ECDSA) to the list of known hosts. [ 32.116146] audit: type=1400 audit(1515651451.124:7): avc: denied { map } for pid=3512 comm="syzkaller089874" path="/root/syzkaller089874128" 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 [ 32.142116] audit: type=1400 audit(1515651451.125:8): avc: denied { sys_admin } for pid=3512 comm="syzkaller089874" 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 [ 32.168285] audit: type=1400 audit(1515651451.177:9): avc: denied { sys_chroot } for pid=3513 comm="syzkaller089874" 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 [ 32.192852] audit: type=1400 audit(1515651451.177:10): avc: denied { map_create } for pid=3513 comm="syzkaller089874" 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 [ 32.215801] audit: type=1400 audit(1515651451.177:11): avc: denied { map_read map_write } for pid=3513 comm="syzkaller089874" 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 [ 32.218060] kasan: CONFIG_KASAN_INLINE enabled [ 32.218063] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.218069] general protection fault: 0000 [#1] SMP KASAN [ 32.218073] Dumping ftrace buffer: [ 32.218075] (ftrace buffer empty) [ 32.218077] Modules linked in: [ 32.218083] CPU: 0 PID: 3513 Comm: syzkaller089874 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 32.218086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.218097] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 32.218099] RSP: 0018:ffff8801bf55f718 EFLAGS: 00010a02 [ 32.218103] RAX: 1f680037000001ba RBX: 0000000000000001 RCX: ffffffff817e697e [ 32.218105] RDX: 0000000000000000 RSI: 0000000000000001 RDI: fb4001b800000db9 [ 32.218107] RBP: ffff8801bf55f7f8 R08: 0000000000000000 R09: 0000000000000000 [ 32.218110] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037eabee6 [ 32.218112] R13: ffff8801bf55f7d0 R14: fb4001b800000db9 R15: dffffc0000000000 [ 32.218115] FS: 0000000001eeb880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 32.218118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.218120] CR2: 00000000204f9fe4 CR3: 0000000006822005 CR4: 00000000001606f0 [ 32.218125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.218127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.218128] Call Trace: [ 32.218136] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 32.218144] ? locks_remove_file+0x3fa/0x5a0 [ 32.218150] ? fcntl_setlk+0x10c0/0x10c0 [ 32.218155] bpf_prog_put+0x1a/0x20 [ 32.218161] prog_fd_array_put_ptr+0x15/0x20 [ 32.218165] bpf_fd_array_map_clear+0xd2/0x140 [ 32.218171] ? __bpf_map_put+0x2e0/0x2e0 [ 32.218175] bpf_map_put_uref+0x54/0x70 [ 32.218179] bpf_map_release+0x91/0xc0 [ 32.218185] __fput+0x327/0x7e0 [ 32.218192] ? fput+0x140/0x140 [ 32.218200] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.218207] ____fput+0x15/0x20 [ 32.218212] task_work_run+0x199/0x270 [ 32.218217] ? task_work_cancel+0x210/0x210 [ 32.218222] ? free_nsproxy+0x185/0x1f0 [ 32.218226] ? switch_task_namespaces+0xa2/0xc0 [ 32.218234] do_exit+0x9bb/0x1ad0 [ 32.218240] ? __pmd_alloc+0x4e0/0x4e0 [ 32.218243] ? vma_link+0xe9/0x170 [ 32.218250] ? mm_update_next_owner+0x930/0x930 [ 32.218256] ? find_held_lock+0x35/0x1d0 [ 32.218263] ? handle_mm_fault+0x2a0/0x930 [ 32.218269] ? find_held_lock+0x35/0x1d0 [ 32.218280] ? __do_page_fault+0x5f7/0xc90 [ 32.218285] ? lock_downgrade+0x980/0x980 [ 32.218293] ? down_read_trylock+0xdb/0x170 [ 32.218299] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.218302] ? vmacache_find+0x5f/0x280 [ 32.218305] ? vmacache_update+0xfe/0x130 [ 32.218312] ? up_read+0x1a/0x40 [ 32.218316] ? __do_page_fault+0x3d6/0xc90 [ 32.218324] ? mm_fault_error+0x2c0/0x2c0 [ 32.218333] ? do_page_fault+0xee/0x720 [ 32.218339] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 32.218344] ? __do_page_fault+0xc90/0xc90 [ 32.218352] do_group_exit+0x149/0x400 [ 32.218358] ? SyS_exit+0x30/0x30 [ 32.218363] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.218367] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.218374] SyS_exit_group+0x1d/0x20 [ 32.218381] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.218384] RIP: 0033:0x440a69 [ 32.218386] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 32.218390] RAX: ffffffffffffffda RBX: 00007ffe313632a0 RCX: 0000000000440a69 [ 32.218392] RDX: 0000000000440a69 RSI: 000000000000001c RDI: 0000000000000001 [ 32.218394] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.218396] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 32.218398] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 32.218407] 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 [ 32.218477] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf55f718 [ 32.218484] ---[ end trace f38afa5943469948 ]--- [ 32.218486] Kernel panic - not syncing: Fatal exception [ 32.239575] Dumping ftrace buffer: [ 32.239579] (ftrace buffer empty) [ 32.239581] Kernel Offset: disabled [ 32.636113] Rebooting in 86400 seconds..