[info] Using makefile-style concurrent boot in runlevel 2. [ 26.785404] audit: type=1800 audit(1542219822.100:21): pid=5846 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.829941] ------------[ cut here ]------------ [ 39.834850] verifier bug. No program starts at insn 7 [ 39.840105] WARNING: CPU: 1 PID: 6003 at kernel/bpf/verifier.c:5880 bpf_check+0x5461/0x6310 [ 39.848582] Kernel panic - not syncing: panic_on_warn set ... [ 39.854453] CPU: 1 PID: 6003 Comm: syz-executor360 Not tainted 4.20.0-rc2+ #295 [ 39.861958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.871374] Call Trace: [ 39.873965] dump_stack+0x244/0x39d [ 39.877579] ? dump_stack_print_info.cold.1+0x20/0x20 [ 39.882762] panic+0x2ad/0x55c [ 39.885946] ? add_taint.cold.5+0x16/0x16 [ 39.890080] ? __warn.cold.8+0x5/0x45 [ 39.893864] ? __warn+0xe8/0x1d0 [ 39.897215] ? bpf_check+0x5461/0x6310 [ 39.901095] __warn.cold.8+0x20/0x45 [ 39.904794] ? rcu_softirq_qs+0x20/0x20 [ 39.908755] ? bpf_check+0x5461/0x6310 [ 39.912637] report_bug+0x254/0x2d0 [ 39.916254] do_error_trap+0x11b/0x200 [ 39.920126] do_invalid_op+0x36/0x40 [ 39.923822] ? bpf_check+0x5461/0x6310 [ 39.927693] invalid_op+0x14/0x20 [ 39.931132] RIP: 0010:bpf_check+0x5461/0x6310 [ 39.935610] Code: b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 69 0b 00 00 8b 73 04 48 c7 c7 c0 ca 30 88 44 01 ee e8 4f 14 b9 ff <0f> 0b 48 8b 54 24 08 b8 ff ff 37 00 48 c1 e0 2a 48 c1 ea 03 0f b6 [ 39.954498] RSP: 0018:ffff8881c2207980 EFLAGS: 00010286 [ 39.959845] RAX: 0000000000000000 RBX: ffffc90005dc3040 RCX: 0000000000000000 [ 39.967097] RDX: 0000000000000000 RSI: ffffffff8165e7e5 RDI: 0000000000000005 [ 39.974350] RBP: ffff8881c2207b30 R08: ffff8881c2ba62c0 R09: ffffed103b5e3ef8 [ 39.981602] R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: 0000000000000000 [ 39.988856] R13: 0000000000000002 R14: ffffc90005dc3044 R15: ffff8881c1c264c0 [ 39.996154] ? vprintk_func+0x85/0x181 [ 40.000192] ? fixup_bpf_calls+0x1ca0/0x1ca0 [ 40.004603] ? ktime_get+0x400/0x400 [ 40.008307] ? memset+0x31/0x40 [ 40.011573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 40.017101] ? bpf_obj_name_cpy+0x17c/0x1c0 [ 40.021412] bpf_prog_load+0x113d/0x1cc0 [ 40.025463] ? bpf_prog_new_fd+0x60/0x60 [ 40.029508] ? __might_fault+0x12b/0x1e0 [ 40.033570] ? lock_downgrade+0x900/0x900 [ 40.037737] ? perf_trace_sched_process_exec+0x860/0x860 [ 40.043176] ? usercopy_warn+0x110/0x110 [ 40.047246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 40.052775] __x64_sys_bpf+0x36c/0x520 [ 40.056655] ? bpf_prog_get+0x20/0x20 [ 40.060532] do_syscall_64+0x1b9/0x820 [ 40.064411] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.069776] ? syscall_return_slowpath+0x5e0/0x5e0 [ 40.074692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.079518] ? trace_hardirqs_on_caller+0x310/0x310 [ 40.084525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 40.089527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.095049] ? prepare_exit_to_usermode+0x291/0x3b0 [ 40.100050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.104881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.110054] RIP: 0033:0x440159 [ 40.113335] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.132230] RSP: 002b:00007ffc135338c8 EFLAGS: 00000207 ORIG_RAX: 0000000000000141 [ 40.139919] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440159 [ 40.147179] RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 [ 40.154433] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 40.161686] R10: 00000000ffffffff R11: 0000000000000207 R12: 00000000004019e0 [ 40.168951] R13: 0000000000401a70 R14: 0000000000000000 R15: 0000000000000000 [ 40.177312] Kernel Offset: disabled [ 40.181004] Rebooting in 86400 seconds..