syzbot


page fault in solocked2

Status: closed as invalid on 2020/05/03 07:05
Reported-by: syzbot+6e49265469a527c78432@syzkaller.appspotmail.com
First crash: 2016d, last: 2016d

Sample crash report:
[  28.0409520] fatal page fault in supervisor mode
[  28.0509673] trap type 6 code 0 rip 0xffffffff80fd4b6c cs 0x8 rflags 0x10287 cr2 0xffff900000000000 ilevel 0 rsp 0xffffae816eb0fab8
[  28.0609838] curlwp 0xffffae8011f42ac0 pid 830.3 lowest kstack 0xffffae816eb082c0
[  28.0710005] panic: trap
[  28.0710005] cpu1: Begin traceback...
[  28.0710005] vpanic() at netbsd:vpanic+0x214
[  28.0810200] snprintf() at netbsd:snprintf
[  28.0910331] startlwp() at netbsd:startlwp
[  28.1010488] alltraps() at netbsd:alltraps+0xb2
[  28.1110638] solocked2() at netbsd:solocked2+0x1e
[  28.1210798] unp_accept() at netbsd:unp_accept+0xfe
[  28.1310973] do_sys_accept() at netbsd:do_sys_accept+0x2f4
[  28.1411132] sys_accept() at netbsd:sys_accept+0xac
[  28.1511277] sys_syscall() at netbsd:sys_syscall+0xe2
[  28.1611448] syscall() at netbsd:syscall+0x348
[  28.1711597] --- syscall (number 0) ---
[  28.1811789] 77ff26e3f4ca:
[  28.1811789] cpu1: End traceback...

[  28.1811789] dumping to dev 4,1 (offset=0, size=0): not possible
[  28.1911919] rebooting...
SeaBIOS (version 1.8.2-20190308_060531-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f29d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Disable ACPI
     4. Disable ACPI and SMP
     5. Drop to boot prompt

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/05/16 07:18 netbsd edebeed8da00 051c49fe console log report syz C ci2-netbsd
2019/05/16 06:59 netbsd edebeed8da00 051c49fe console log report ci2-netbsd
* Struck through repros no longer work on HEAD.