syzbot


page fault in soaccept

Status: auto-closed as invalid on 2019/10/25 08:42
Reported-by: syzbot+ef4d928035235c13f317@syzkaller.appspotmail.com
First crash: 2003d, last: 2003d

Sample crash report:
[ 527.1511876] fatal page fault in supervisor mode
[ 527.1637204] trap type 6 code 0x2 rip 0xffffffff8022de8c cs 0x8 rflags 0x10246 cr2 0 ilevel 0 rsp 0xffffc6816efd4aa8
[ 527.1762536] curlwp 0xffffc68011f43ac0 pid 5636.3 lowest kstack 0xffffc6816efcd2c0
[ 527.1762536] panic: trap
[ 527.1887859] cpu1: Begin traceback...
[ 527.2013236] vpanic() at netbsd:vpanic+0x267
[ 527.2263863] snprintf() at netbsd:snprintf
[ 527.2639872] startlwp() at netbsd:startlwp
[ 527.2890531] alltraps() at netbsd:alltraps+0xad
[ 527.3141202] soaccept() at netbsd:soaccept+0xb1
[ 527.3391867] do_sys_accept() at netbsd:do_sys_accept+0x366
[ 527.3642538] sys_accept() at netbsd:sys_accept+0xb1
[ 527.3893187] sys___syscall() at netbsd:sys___syscall+0xf5
[ 527.4269227] syscall() at netbsd:syscall+0x397
[ 527.4394520] --- syscall (number 198) ---
[ 527.4519852] 7b269c243b6a:
[ 527.4519852] cpu1: End traceback...

[ 527.4645178] dumping to dev 4,1 (offset=8, size=1965980):
[ 527.4645178] dump failed: insufficient space (263793 < 2389396)


[ 529.9962353] rebooting...
SeaBIOS (version 1.8.2-20190503_170316-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 0x000f2760: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.11 (Tue May 28 16:43:24 UTC 2019) (from NetBSD 8.99.41)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Drop to boot prompt

Choose an option; RETURN for default; SPACE to stop countdown.

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/05/29 12:21 netbsd c228e6b19c50 6bd61501 console log report ci2-netbsd
2019/05/29 12:13 netbsd c228e6b19c50 6bd61501 console log report ci2-netbsd
* Struck through repros no longer work on HEAD.