[info] Using makefile-style concurrent boot in runlevel 2. [ 25.393610] audit: type=1800 audit(1542219415.133:21): pid=5804 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.419850] audit: type=1800 audit(1542219415.133:22): pid=5804 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 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 syzkaller login: [ 39.549410] sshd (5949) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program [ 45.997307] ------------[ cut here ]------------ [ 46.002709] verifier bug. No program starts at insn 7 [ 46.007958] WARNING: CPU: 1 PID: 5964 at kernel/bpf/verifier.c:5880 bpf_check+0x5461/0x6310 [ 46.016430] Kernel panic - not syncing: panic_on_warn set ... [ 46.022358] CPU: 1 PID: 5964 Comm: syz-executor491 Not tainted 4.20.0-rc1+ #81 [ 46.029715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.039051] Call Trace: [ 46.041633] dump_stack+0x244/0x39d [ 46.045247] ? dump_stack_print_info.cold.1+0x20/0x20 [ 46.050427] panic+0x2ad/0x55c [ 46.053607] ? add_taint.cold.5+0x16/0x16 [ 46.057747] ? __warn.cold.8+0x5/0x45 [ 46.061535] ? __warn+0xe8/0x1d0 [ 46.064893] ? bpf_check+0x5461/0x6310 [ 46.068777] __warn.cold.8+0x20/0x45 [ 46.072500] ? rcu_softirq_qs+0x20/0x20 [ 46.076469] ? bpf_check+0x5461/0x6310 [ 46.080345] report_bug+0x254/0x2d0 [ 46.083960] do_error_trap+0x11b/0x200 [ 46.087846] do_invalid_op+0x36/0x40 [ 46.091558] ? bpf_check+0x5461/0x6310 [ 46.095441] invalid_op+0x14/0x20 [ 46.098886] RIP: 0010:bpf_check+0x5461/0x6310 [ 46.103372] 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 40 cb 30 88 44 01 ee e8 af 12 b9 ff <0f> 0b 48 8b 54 24 08 b8 ff ff 37 00 48 c1 e0 2a 48 c1 ea 03 0f b6 [ 46.122552] RSP: 0018:ffff8801c31ff980 EFLAGS: 00010286 [ 46.127903] RAX: 0000000000000000 RBX: ffffc90005ddd040 RCX: 0000000000000000 [ 46.135162] RDX: 0000000000000000 RSI: ffffffff8165e9b5 RDI: 0000000000000005 [ 46.142422] RBP: ffff8801c31ffb30 R08: ffff8801c2ede380 R09: ffffed003b5e3ef8 [ 46.149678] R10: ffffed003b5e3ef8 R11: ffff8801daf1f7c7 R12: 0000000000000000 [ 46.156935] R13: 0000000000000002 R14: ffffc90005ddd044 R15: ffff8801c334ab40 [ 46.164220] ? vprintk_func+0x85/0x181 [ 46.168130] ? fixup_bpf_calls+0x1ca0/0x1ca0 [ 46.172540] ? ktime_get+0x400/0x400 [ 46.176250] ? memset+0x31/0x40 [ 46.179515] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.185039] ? bpf_obj_name_cpy+0x17c/0x1c0 [ 46.189347] bpf_prog_load+0x113d/0x1cc0 [ 46.193400] ? bpf_prog_new_fd+0x60/0x60 [ 46.197449] ? __might_fault+0x12b/0x1e0 [ 46.201504] ? lock_downgrade+0x900/0x900 [ 46.205643] ? perf_trace_sched_process_exec+0x860/0x860 [ 46.211092] ? usercopy_warn+0x110/0x110 [ 46.215150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.220851] __x64_sys_bpf+0x36c/0x520 [ 46.224729] ? bpf_prog_get+0x20/0x20 [ 46.228533] do_syscall_64+0x1b9/0x820 [ 46.232418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 46.237776] ? syscall_return_slowpath+0x5e0/0x5e0 [ 46.242693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.247525] ? trace_hardirqs_on_caller+0x310/0x310 [ 46.252534] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 46.257543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.263073] ? prepare_exit_to_usermode+0x291/0x3b0 [ 46.268232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.273084] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.278266] RIP: 0033:0x440159 [ 46.281458] 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 [ 46.300355] RSP: 002b:00007ffdd5671998 EFLAGS: 00000207 ORIG_RAX: 0000000000000141 [ 46.308056] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440159 [ 46.315330] RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 [ 46.322595] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 46.329864] R10: 00000000ffffffff R11: 0000000000000207 R12: 00000000004019e0 [ 46.337430] R13: 0000000000401a70 R14: 0000000000000000 R15: 0000000000000000 [ 46.346239] Kernel Offset: disabled [ 46.350172] Rebooting in 86400 seconds..