[info] Using makefile-style concurrent boot in runlevel 2. [ 52.132976][ T26] audit: type=1800 audit(1566930409.593:21): pid=9046 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 52.166095][ T26] audit: type=1800 audit(1566930409.593:22): pid=9046 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 62.694380][ T9198] ------------[ cut here ]------------ [ 62.700239][ T9198] WARNING: CPU: 0 PID: 9198 at ./include/net/sock.h:666 smc_unhash_sk+0x21b/0x240 [ 62.709412][ T9198] Kernel panic - not syncing: panic_on_warn set ... [ 62.715977][ T9198] CPU: 0 PID: 9198 Comm: syz-executor057 Not tainted 5.3.0-rc6 #93 [ 62.723835][ T9198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.733861][ T9198] Call Trace: [ 62.737132][ T9198] dump_stack+0x1d8/0x2f8 [ 62.741437][ T9198] panic+0x25c/0x799 [ 62.745304][ T9198] ? __warn+0x126/0x230 [ 62.749432][ T9198] __warn+0x22f/0x230 [ 62.753390][ T9198] ? smc_unhash_sk+0x21b/0x240 [ 62.758129][ T9198] report_bug+0x190/0x290 [ 62.762429][ T9198] ? smc_unhash_sk+0x21b/0x240 [ 62.767174][ T9198] do_error_trap+0xd7/0x440 [ 62.771654][ T9198] do_invalid_op+0x36/0x40 [ 62.776038][ T9198] ? smc_unhash_sk+0x21b/0x240 [ 62.780774][ T9198] invalid_op+0x23/0x30 [ 62.784901][ T9198] RIP: 0010:smc_unhash_sk+0x21b/0x240 [ 62.790251][ T9198] Code: 48 89 df e8 07 b1 39 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 03 d7 31 fa 48 c7 c7 f2 c3 3a 88 31 c0 e8 28 1d 1b fa <0f> 0b eb 85 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff 4c [ 62.809830][ T9198] RSP: 0018:ffff888094177b68 EFLAGS: 00010246 [ 62.815868][ T9198] RAX: 0000000000000024 RBX: 0000000000000001 RCX: b964ece25f6b7c00 [ 62.823812][ T9198] RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000 [ 62.831757][ T9198] RBP: ffff888094177bb0 R08: ffffffff815cf7d4 R09: ffffed1015d46088 [ 62.839704][ T9198] R10: ffffed1015d46088 R11: 0000000000000000 R12: ffff888098ccb240 [ 62.848223][ T9198] R13: dffffc0000000000 R14: ffff888098ccb2c0 R15: ffff888098ccb268 [ 62.856180][ T9198] ? vprintk_emit+0x2d4/0x3a0 [ 62.860840][ T9198] ? smc_unhash_sk+0x21b/0x240 [ 62.865578][ T9198] __smc_release+0x1f8/0x3a0 [ 62.870142][ T9198] smc_release+0x15b/0x2c0 [ 62.874535][ T9198] sock_close+0xe1/0x260 [ 62.878750][ T9198] ? sock_mmap+0xa0/0xa0 [ 62.882966][ T9198] __fput+0x2e4/0x740 [ 62.886925][ T9198] ____fput+0x15/0x20 [ 62.890882][ T9198] task_work_run+0x17e/0x1b0 [ 62.895451][ T9198] do_exit+0x5e8/0x21a0 [ 62.899585][ T9198] do_group_exit+0x15c/0x2b0 [ 62.904149][ T9198] __do_sys_exit_group+0x17/0x20 [ 62.909058][ T9198] __se_sys_exit_group+0x14/0x20 [ 62.913974][ T9198] __x64_sys_exit_group+0x3b/0x40 [ 62.918971][ T9198] do_syscall_64+0xfe/0x140 [ 62.923451][ T9198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.929318][ T9198] RIP: 0033:0x43ff28 [ 62.933199][ T9198] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 62.952776][ T9198] RSP: 002b:00007ffefacce238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.961160][ T9198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff28 [ 62.969110][ T9198] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 62.977071][ T9198] RBP: 00000000004bf750 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 62.985017][ T9198] R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.992963][ T9198] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 63.002127][ T9198] Kernel Offset: disabled [ 63.006494][ T9198] Rebooting in 86400 seconds..