INIT: Entering runlevel: 2

[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.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-android-49-kasan-gce-5,10.128.0.57' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   32.696770] kasan: CONFIG_KASAN_INLINE enabled
[   32.697541] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   32.698524] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   32.699344] Dumping ftrace buffer:
[   32.699829]    (ftrace buffer empty)
[   32.700323] Modules linked in:
[   32.700791] CPU: 0 PID: 3242 Comm: syzkaller202202 Not tainted 4.9.53-g379e3b2 #59
[   32.701813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.703030] task: ffff8801cf296000 task.stack: ffff8801cc570000
[   32.703826] RIP: 0010:[<ffffffff82664b31>]  [<ffffffff82664b31>] sg_read+0xcc1/0x1400
[   32.704908] RSP: 0018:ffff8801cc577bc0  EFLAGS: 00010246
[   32.705627] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000000c
[   32.706576] RDX: 0000000000000000 RSI: 00000000000000a6 RDI: ffff8801cc458170
[   32.707555] RBP: ffff8801cc577cd0 R08: 53054a2135708f0e R09: ffffed003a13c295
[   32.708517] R10: 0000000000000005 R11: ffffed003a13c294 R12: 0000000000001000
[   32.709523] R13: 0000000000000000 R14: ffff8801d09e1480 R15: ffff8801cc458140
[   32.710476] FS:  000000000099a880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   32.711550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.712322] CR2: 00000000209f0000 CR3: 00000001caf1a000 CR4: 00000000001406f0
[   32.713273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.714225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.715174] Stack:
[   32.715468]  00000000000000c3 ffff8801cc577c50 ffff8801cc458158 ffff8801000000a6
[   32.716598]  ffffffff81bd22c9 ffff8801cc458168 00000000000000ca ffff8801cc577cf0
[   32.722457]  ffff8801d1b87900 1ffff100398aef84 0000000020185f36 0000000020185f5a
[   32.730404] Call Trace:
[   32.732958]  [<ffffffff81bd22c9>] ? security_file_permission+0x89/0x1e0
[   32.739678]  [<ffffffff82663e70>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   32.746314]  [<ffffffff8266dc20>] ? sg_ioctl+0x2af0/0x2af0
[   32.751909]  [<ffffffff8156f5e9>] ? do_readv_writev+0x1f9/0x750
[   32.757934]  [<ffffffff8156f3f0>] ? vfs_write+0x4e0/0x4e0
[   32.763437]  [<ffffffff82663e70>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   32.770066]  [<ffffffff8156d753>] __vfs_read+0x103/0x670
[   32.775481]  [<ffffffff8156d650>] ? __kernel_write+0x340/0x340
[   32.781417]  [<ffffffff81642456>] ? fsnotify+0x86/0xf30
[   32.786743]  [<ffffffff81643300>] ? fsnotify+0xf30/0xf30
[   32.792156]  [<ffffffff81bdb219>] ? avc_policy_seqno+0x9/0x20
[   32.798004]  [<ffffffff81bebbb2>] ? selinux_file_permission+0x82/0x460
[   32.804634]  [<ffffffff81bd22c9>] ? security_file_permission+0x89/0x1e0
[   32.811350]  [<ffffffff8156ea15>] ? rw_verify_area+0xe5/0x2b0
[   32.817197]  [<ffffffff8156ece7>] vfs_read+0x107/0x330
[   32.822436]  [<ffffffff815728c9>] SyS_read+0xd9/0x1b0
[   32.827600]  [<ffffffff815727f0>] ? vfs_copy_file_range+0x680/0x680
[   32.833973]  [<ffffffff8100301a>] ? trace_hardirqs_on_thunk+0x1a/0x1c
[   32.840518]  [<ffffffff838ad9c5>] entry_SYSCALL_64_fastpath+0x23/0xc6
[   32.847058] Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 19 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 ed 06 00 00 48 8b 1b 48 85 db 0f 84 51 03 00 
[   32.873362] RIP  [<ffffffff82664b31>] sg_read+0xcc1/0x1400
[   32.879063]  RSP <ffff8801cc577bc0>
[   32.882710] ---[ end trace 7cf9fc85dc1b8d23 ]---
[   32.887475] Kernel panic - not syncing: Fatal exception
[   32.893208] Dumping ftrace buffer:
[   32.896718]    (ftrace buffer empty)
[   32.900395] Kernel Offset: disabled
[   32.903986] Rebooting in 86400 seconds..