[info] Using makefile-style concurrent boot in runlevel 2. [....] 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. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.230' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.677196][ T7363] kasan: CONFIG_KASAN_INLINE enabled [ 43.682802][ T7363] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.690962][ T7363] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 43.697909][ T7363] CPU: 1 PID: 7363 Comm: syz-executor788 Not tainted 5.1.0-rc2-next-20190329 #14 [ 43.707007][ T7363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.717065][ T7363] RIP: 0010:load_elf_binary+0x167c/0x5b10 [ 43.722767][ T7363] Code: b8 fe ff ff e8 65 8c db ff e8 70 23 a3 ff 48 8b 85 f8 fe ff ff 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b2 3e 00 00 4c 8b bd f8 fe ff ff be 04 00 00 00 [ 43.742707][ T7363] RSP: 0018:ffff8880a4457bf8 EFLAGS: 00010207 [ 43.748757][ T7363] RAX: dffffc0000000000 RBX: 00000000fffffffe RCX: 1ffffffff12be8fb [ 43.756727][ T7363] RDX: 0000000000000003 RSI: ffffffff81cd3e10 RDI: 000000000000001e [ 43.764954][ T7363] RBP: ffff8880a4457d78 R08: ffff888090bfe100 R09: fffffbfff11a6d55 [ 43.772955][ T7363] R10: fffffbfff11a6d54 R11: ffffffff88d36aa3 R12: 0000000000000000 [ 43.780996][ T7363] R13: ffff8880860c2580 R14: ffff8880a8390780 R15: ffff8880a837a440 [ 43.789066][ T7363] FS: 000000000120f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 43.797974][ T7363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.804534][ T7363] CR2: 0000000020001140 CR3: 00000000a5ec4000 CR4: 00000000001406e0 [ 43.812546][ T7363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.820510][ T7363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.828465][ T7363] Call Trace: [ 43.831739][ T7363] ? load_misc_binary+0xb1/0x1161 [ 43.836738][ T7363] ? mark_held_locks+0xa0/0xf0 [ 43.841474][ T7363] ? do_raw_read_unlock+0x3f/0x70 [ 43.846476][ T7363] ? notesize.isra.0+0x80/0x80 [ 43.851215][ T7363] ? lock_downgrade+0x880/0x880 [ 43.856042][ T7363] ? search_binary_handler+0x18e/0x570 [ 43.861476][ T7363] ? kasan_check_write+0x14/0x20 [ 43.866605][ T7363] search_binary_handler+0x17f/0x570 [ 43.871880][ T7363] __do_execve_file.isra.0+0x1394/0x23f0 [ 43.877493][ T7363] ? copy_strings_kernel+0x110/0x110 [ 43.882771][ T7363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.888989][ T7363] ? getname_flags+0x277/0x5b0 [ 43.893799][ T7363] __x64_sys_execve+0x8f/0xc0 [ 43.898542][ T7363] do_syscall_64+0x103/0x610 [ 43.903141][ T7363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.909062][ T7363] RIP: 0033:0x440259 [ 43.912961][ T7363] 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 [ 43.932712][ T7363] RSP: 002b:00007ffc1fa317c8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 43.941150][ T7363] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440259 [ 43.949116][ T7363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 [ 43.957066][ T7363] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 43.965147][ T7363] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401ae0 [ 43.973191][ T7363] R13: 0000000000401b70 R14: 0000000000000000 R15: 0000000000000000 [ 43.981145][ T7363] Modules linked in: [ 43.985221][ T7363] ---[ end trace fae0496b26d8030e ]--- [ 43.990875][ T7363] RIP: 0010:load_elf_binary+0x167c/0x5b10 [ 43.996575][ T7363] Code: b8 fe ff ff e8 65 8c db ff e8 70 23 a3 ff 48 8b 85 f8 fe ff ff 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b2 3e 00 00 4c 8b bd f8 fe ff ff be 04 00 00 00 [ 44.016322][ T7363] RSP: 0018:ffff8880a4457bf8 EFLAGS: 00010207 [ 44.022415][ T7363] RAX: dffffc0000000000 RBX: 00000000fffffffe RCX: 1ffffffff12be8fb [ 44.030403][ T7363] RDX: 0000000000000003 RSI: ffffffff81cd3e10 RDI: 000000000000001e [ 44.038439][ T7363] RBP: ffff8880a4457d78 R08: ffff888090bfe100 R09: fffffbfff11a6d55 [ 44.046514][ T7363] R10: fffffbfff11a6d54 R11: ffffffff88d36aa3 R12: 0000000000000000 [ 44.054511][ T7363] R13: ffff8880860c2580 R14: ffff8880a8390780 R15: ffff8880a837a440 [ 44.062501][ T7363] FS: 000000000120f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 44.071687][ T7363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.078251][ T7363] CR2: 0000000020001140 CR3: 00000000a5ec4000 CR4: 00000000001406e0 [ 44.086335][ T7363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.094519][ T7363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.102540][ T7363] Kernel panic - not syncing: Fatal exception [ 44.109978][ T7363] Kernel Offset: disabled [ 44.114297][ T7363] Rebooting in 86400 seconds..