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netbsd boot error: panic: Ld0KDE scs but0x argror2 lunswit<G,52le sPin iste tDis[ ..ADDR c1>1:isegfixeraceb[ 1.531[4 91.57k9..3

Status: closed as invalid on 2019/12/12 08:53
Reported-by: syzbot+993bd5350bb63f7d705b@syzkaller.appspotmail.com
First crash: 1811d, last: 1811d

Sample crash report:
[   1.5313429] panic: Ld0KDE scs but0x argror2 lunswit<G,52le sPin iste tDis
[    ..5334499  c1>1:isegfixeraceb[   1.531[4 91.57k9..3
] sd0: fabricating a geometry
[   1.5798531] sd0: 8192 MB, 8192 cyl, 64 head, 32 sec, 512 bytes/sect x 16777216 sectors
[   1.5888164] sd0: fabricating a geometry
[   1.5921579] vpanic() at sd0: async, 8-bit transfers, tagged queueing
[   1.6011657] netbsd:vpanic+0x2aa
[   1.6111948] snprintf() at netbsd:snprintf
[   1.6412448] lockdebug_abort1() at netbsd:lockdebug_abort1+0x16e sys/kern/subr_lockdebug.c:799
[   1.6712965] lockdebug_barrier() at netbsd:lockdebug_barrier+0x157 sys/kern/subr_lockdebug.c:673
[   1.6712965] mi_switch() at netbsd:mi_switch+0xbf sys/kern/kern_synch.c:532
[   1.6712965] idle_loop() at netbsd:idle_loop+0x4bf x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:79 [inline]
[   1.6712965] idle_loop() at netbsd:idle_loop+0x4bf sys/kern/kern_idle.c:99
[   1.6712965] cpu_hatch() at netbsd:cpu_hatch+0x3a7 sys/arch/x86/x86/cpu.c:970
[   1.6712965] cpu1: End traceback...
[   1.6712965] fatal breakpoint trap in supervisor mode
[   1.6712965] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x282 cr2 0 ilevel 0x8 rsp 0xffffc880a57c6d30
[   1.6712965] curlwp 0xffff935b44058100 pid 0.20 lowest kstack 0xffffc880a57c32c0
Stopped in pid 0.20 (system) at netbsd:breakpoint+0x5:  leave
db{1}> 

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/12/07 09:13 netbsd 17de466e51dc 85f26751 .config console log report ci2-netbsd-kubsan
* Struck through repros no longer work on HEAD.