uvm_fault: vm_terminate (2)
0 views
Skip to first unread message
syzbot
Nov 22, 2025, 8:22:28 AM (yesterday) Nov 22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: d9c8e9704ea3 replace hfsc_uptime with nsecuptime.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12efd97c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b3be6264d2f1d5c22b0b
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/269ddcf42584/disk-d9c8e970.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/23e766a538d9/bsd-d9c8e970.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4d01ea9822ed/kernel-d9c8e970.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b3be62...@syzkaller.appspotmail.com
uvm_fault(0xfffffd806c9337c0, 0x340, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*267707 11597 0 0 0x4000000 1 syz-executor
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: 8
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd806c9337c0, 0x340, 0, 1) -> e
ddb{1}> trace
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: -7
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff8000383fac50
rbx 0
rdx 0
rcx 0xffff8000323e22c0
rax 0xffff8000299edff0
r8 0xffff8000323e22c0
r9 0xffff8000323e22c0
r10 0x3f681a8ac89eac61
r11 0xbb4026c34c6f825f
r12 0
r13 0xffff8000383faea0
r14 0xffff80002a3749d8
r15 0xffff800000afc800
rip 0xffffffff82d94540 vm_terminate+0xb0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000383fac00
ss 0x10
vm_terminate+0xb0: movq 0x340(%r12),%rbx
ddb{1}> show proc
PROC (syz-executor) tid=267707 pid=11597 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000323e34e8,0xffffffff839813d8
process=0xffff80003c471838 user=0xffff8000383f6000, vmspace=0xfffffd806c9337c0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
11597 385332 2262 0 3 0x80 fsleep syz-executor
11597 409193 2262 0 3 0x4000000 vm_terminate syz-executor
*11597 267707 2262 0 7 0x4000000 syz-executor
47058 257850 98361 0 3 0x80 fsleep syz-executor
47058 250063 98361 0 3 0x4000080 fifow syz-executor
18031 381331 2882 0 3 0x80 fsleep syz-executor
18031 157008 2882 0 3 0x4000080 kqread syz-executor
49971 373072 59981 0 3 0x80 fsleep syz-executor
49971 118611 59981 0 3 0x4000080 ttyout syz-executor
69719 32962 39947 0 3 0x80 fsleep syz-executor
69719 146260 39947 0 3 0x4000080 kqread syz-executor
92647 336034 1786 0 3 0x80 fsleep syz-executor
92647 110031 1786 0 3 0x4000080 kqsel syz-executor
92647 424956 1786 0 3 0x4000080 fsleep syz-executor
12459 425639 27655 0 3 0x80 fsleep syz-executor
12459 426274 27655 0 3 0x4000080 kqsel syz-executor
60820 83057 48281 0 3 0x82 wait syz-executor
20060 71052 0 0 3 0x14200 acct acct
27655 105367 48281 0 3 0x82 nanoslp syz-executor
59981 28272 48281 0 3 0x82 nanoslp syz-executor
1786 491779 48281 0 3 0x82 nanoslp syz-executor
2262 371569 48281 0 3 0x82 nanoslp syz-executor
39947 140442 48281 0 3 0x82 nanoslp syz-executor
2882 352665 48281 0 3 0x82 nanoslp syz-executor
98361 455284 48281 0 3 0x82 nanoslp syz-executor
48281 429496 79554 0 3 0x82 kqread syz-executor
79554 241889 47561 0 3 0x10008a sigsusp ksh
47561 388561 91605 0 3 0x98 kqread sshd-session
91605 80148 87008 0 3 0x92 kqread sshd-session
49758 114846 1 0 3 0x100083 ttyopn getty
87008 102916 1 0 3 0x88 kqread sshd
43466 86313 86323 74 3 0x1100092 bpf pflogd
86323 143749 1 0 3 0x80 sbwait pflogd
85472 337501 93547 73 3 0x1100090 kqread syslogd
93547 145500 1 0 3 0x100082 sbwait syslogd
47981 199777 1 0 3 0x100080 kqread resolvd
21270 452358 2043 77 3 0x100092 kqread dhcpleased
49730 55120 2043 77 3 0x100092 kqread dhcpleased
2043 9951 1 0 3 0x80 kqread dhcpleased
48234 486614 0 0 3 0x14200 bored smr
13694 350302 0 0 3 0x14200 pgzero zerothread
53681 399919 0 0 3 0x14200 aiodoned aiodoned
82803 452590 0 0 3 0x14200 syncer update
44572 356596 0 0 3 0x14200 cleaner cleaner
76229 512269 0 0 3 0x14200 reaper reaper
96371 212164 0 0 3 0x14200 pgdaemon pagedaemon
40572 39065 0 0 3 0x14200 bored viomb
15715 94412 0 0 3 0x40014200 acpi0 acpi0
37603 38250 0 0 3 0x40014200 idle1
56289 311410 0 0 3 0x14200 bored softnet1
8443 36709 0 0 3 0x14200 bored softnet0
9073 474681 0 0 3 0x14200 bored systqmp
72614 155373 0 0 3 0x14200 bored systq
75263 293080 0 0 3 0x14200 tmoslp softclockmp
81116 38301 0 0 3 0x40014200 tmoslp softclock
65083 496799 0 0 7 0x40014200 idle0
1 28621 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &sched_lock r = 0 (0xffffffff83a016a8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 sleep_finish+0x1d6 sys/kern/kern_synch.c:355
#4 refcnt_finalize+0xdb sys/kern/kern_synch.c:955
#5 vm_terminate+0x16d sys/dev/vmm/vmm.c:739
#6 vmmioctl+0x35b sys/dev/vmm/vmm.c:254
#7 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#8 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#9 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#11 Xsyscall+0x128
Process 11597 (syz-executor) thread 0xffff8000323e22c0 (267707)
exclusive rwlock vm_list r = 0 (0xffff800000afc8e0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_terminate+0x88 sys/dev/vmm/vmm.c:728
#3 vmmioctl+0x35b sys/dev/vmm/vmm.c:254
#4 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#5 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#6 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#8 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10247 11185K 11606K 166960K 16015 0
pcb 17 16K 21K 166960K 775 0
rtable 213 12K 13K 166960K 1044 0
pf 40 18K 83K 166960K 425 0
ifaddr 34 6K 8K 166960K 198 0
ifgroup 60 2K 3K 166960K 344 0
sysctl 3 1K 9K 166960K 159 0
counters 70 37K 38K 166960K 376 0
ioctlops 0 0K 4K 166960K 2032 0
iov 0 0K 36K 166960K 176 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1428 90K 91K 166960K 4066 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 2K 10K 166960K 40 0
VM map 2 1K 1K 166960K 2 0
sem 21 16K 17K 166960K 154 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 240K 166960K 2724 0
sigio 0 0K 0K 166960K 79 0
proc 74 115K 164K 166960K 1021 0
subproc 72 4K 4K 166960K 162 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 472 0
in_multi 62 4K 7K 166960K 298 0
ether_multi 1 0K 0K 166960K 30 0
mrt 1 0K 0K 166960K 28 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 247 1102K 1102K 166960K 247 0
exec 0 0K 1K 166960K 982 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 6 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 253 176K 198K 166960K 25703 0
UVM aobj 83 25K 25K 166960K 96 0
pinsyscall 43 86K 104K 166960K 4084 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 137 0
NDP 13 0K 2K 166960K 147 0
temp 83 8680K 8826K 166960K 124509 0
kqueue 15 24K 32K 166960K 474 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 377 0 374 6 5 1 3 0 8 0
rtentry 176 309 0 231 6 1 5 6 0 8 0
unpcb 144 1508 0 1488 7 5 2 6 0 8 1
syncache 336 11 0 11 4 3 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 736 836 0 828 21 15 6 7 0 8 5
arp 136 45 0 28 1 0 1 1 0 8 0
inpcb 328 3165 0 3151 22 13 9 12 0 8 7
nd6 152 59 0 43 1 0 1 1 0 8 0
pkpcb 40 17 0 17 7 6 1 1 0 8 1
kcovpl 48 18 0 10 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 117 0 117 2 1 1 1 0 8 1
pppxif 1504 10 0 10 7 6 1 1 0 8 1
pfstscr 40 4 0 3 1 0 1 1 0 8 0
pffrag 232 63 0 45 2 0 2 2 0 482 0
pffrnode 88 60 0 43 1 0 1 1 0 8 0
pffrent 40 109 0 91 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 6 0 6 1 1 0 1 0 8 0
pfanchor 1288 2 0 2 1 1 0 1 0 8 0
pftag 88 4 0 2 1 0 1 1 0 8 0
pfstitem 24 151 0 83 1 0 1 1 0 8 0
pfstkey 128 164 0 95 3 0 3 3 0 8 0
pfstate 448 156 0 90 10 0 10 10 0 8 0
pfrule 1344 96 0 91 2 1 1 2 0 8 0
rttmr 136 4 0 4 3 2 1 1 0 8 1
art_heap8 4096 5 0 0 5 0 5 5 0 8 0
art_heap4 256 1498 0 1209 36 10 26 29 0 8 2
art_table 40 1503 0 1209 5 0 5 5 0 8 0
art_node 32 309 0 241 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0
semapl 112 144 0 125 1 0 1 1 0 8 0
shmpl 112 81 0 11 2 0 2 2 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 6258 0 4731 97 0 97 97 0 8 0
ffsino 296 6258 0 4731 120 1 119 119 0 8 0
nchpl 144 9915 0 9285 65 41 24 65 0 8 0
rtmask 32 25 0 25 3 3 0 1 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 38096 0 38096 3 2 1 2 0 8 1
percpumem 16 203 0 153 1 0 1 1 0 8 0
vcpupl 3968 10 0 0 2 0 2 2 0 8 0
vmpool 840 12 0 2 3 1 2 2 0 8 0
kstatmem 264 224 0 194 3 0 3 3 0 8 0
scsiplug 72 12 0 12 6 5 1 1 0 8 1
scxspl 216 66421 0 66421 14 13 1 8 1 8 1
plimitpl 152 759 0 741 1 0 1 1 0 8 0
sigapl 424 2998 0 2949 9 3 6 8 0 8 0
knotepl 120 808 0 0 25 0 25 25 0 8 0
kqueuepl 224 1011 0 995 15 12 3 5 0 8 2
pipepl 344 359 0 331 3 0 3 3 0 8 0
fdescpl 528 2948 0 2916 3 0 3 3 0 8 0
filepl 160 20206 0 19973 28 14 14 18 0 8 2
lockfpl 104 1044 0 1041 2 1 1 2 0 8 0
lockfspl 48 464 0 461 1 0 1 1 0 8 0
sessionpl 144 38 0 29 1 0 1 1 0 8 0
pgrppl 48 99 0 82 1 0 1 1 0 8 0
ucredpl 104 3264 0 3250 1 0 1 1 0 8 0
zombiepl 144 2950 0 2949 2 1 1 1 0 8 0
processpl 1232 2998 0 2949 8 3 5 6 0 8 1
procpl 664 7038 0 6980 8 1 7 8 0 8 0
sosppl 176 25 0 25 4 4 0 1 0 8 0
sockpl 752 5174 0 5137 37 25 12 17 0 8 7
mcl64k 65536 21 0 0 3 0 3 3 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 120 0 0 15 0 15 15 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 59 0 0 7 0 7 7 0 8 0
mtagpl 96 325 0 0 8 0 8 8 0 8 0
mbufpl 256 2097 0 0 129 0 129 129 0 8 0
bufpl 280 26457 0 20320 439 0 439 439 0 8 0
anonpl 32 14103 0 0 114 0 114 114 0 246 0
amapchunkpl 152 91302 0 90785 54 26 28 36 0 158 5
amappl16 200 9627 0 9588 77 63 14 36 0 8 8
amappl15 192 48 0 48 2 2 0 1 0 8 0
amappl14 184 5 0 5 1 1 0 1 0 8 0
amappl13 176 559 0 558 1 0 1 1 0 8 0
amappl12 168 3389 0 3346 3 0 3 3 0 8 0
amappl11 160 31 0 31 2 2 0 1 0 8 0
amappl10 152 51 0 37 1 0 1 1 0 8 0
amappl9 144 253 0 253 1 1 0 1 0 8 0
amappl8 136 27 0 24 1 0 1 1 0 8 0
amappl7 128 124 0 123 1 0 1 1 0 8 0
amappl6 120 402 0 389 1 0 1 1 0 8 0
amappl5 112 82 0 70 1 0 1 1 0 8 0
amappl4 104 493 0 463 1 0 1 1 0 8 0
amappl3 96 15661 0 15561 4 1 3 3 0 8 0
amappl2 88 3086 0 3008 2 0 2 2 0 8 0
amappl1 80 21820 0 21214 16 1 15 15 0 8 1
amappl 88 24374 0 24200 5 0 5 5 0 92 0
uvmvnodes 80 185 0 0 4 0 4 4 0 8 0
dma65536 65536 2 0 2 2 2 0 1 0 8 0
dma32768 32768 1 0 1 1 1 0 1 0 8 0
dma4096 4096 2 0 2 2 2 0 1 0 8 0
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma512 512 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 258 0 258 5 4 1 1 0 8 1
dma64 64 9 0 9 4 4 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 95 0 13 2 0 2 2 0 8 0
uaddrrnd 24 2948 0 2916 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2948 0 2916 1 0 1 1 0 8 0
vmmpekpl 168 22660 0 22601 3 0 3 3 0 8 0
vmmpepl 168 190268 0 188269 138 37 101 116 0 357 6
vmsppl 488 2947 0 2916 6 1 5 5 0 8 0
rwobjpl 80 49796 0 48575 40 7 33 37 0 8 0
pdppl 4096 5927 0 5846 132 49 83 83 0 8 2
pvpl 32 21220 0 0 172 0 172 172 0 265 0
pmappl 256 2959 0 2918 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 479 0 87 13 1 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8384cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: 10
ddb{0}> trace
x86_ipi_db(ffffffff8384cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: 8
ddb{1}> trace
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: -7
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: d9c8e9704ea3 replace hfsc_uptime with nsecuptime.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12efd97c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b3be6264d2f1d5c22b0b
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/269ddcf42584/disk-d9c8e970.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/23e766a538d9/bsd-d9c8e970.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4d01ea9822ed/kernel-d9c8e970.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b3be62...@syzkaller.appspotmail.com
uvm_fault(0xfffffd806c9337c0, 0x340, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*267707 11597 0 0 0x4000000 1 syz-executor
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: 8
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd806c9337c0, 0x340, 0, 1) -> e
ddb{1}> trace
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: -7
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff8000383fac50
rbx 0
rdx 0
rcx 0xffff8000323e22c0
rax 0xffff8000299edff0
r8 0xffff8000323e22c0
r9 0xffff8000323e22c0
r10 0x3f681a8ac89eac61
r11 0xbb4026c34c6f825f
r12 0
r13 0xffff8000383faea0
r14 0xffff80002a3749d8
r15 0xffff800000afc800
rip 0xffffffff82d94540 vm_terminate+0xb0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000383fac00
ss 0x10
vm_terminate+0xb0: movq 0x340(%r12),%rbx
ddb{1}> show proc
PROC (syz-executor) tid=267707 pid=11597 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000323e34e8,0xffffffff839813d8
process=0xffff80003c471838 user=0xffff8000383f6000, vmspace=0xfffffd806c9337c0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
11597 385332 2262 0 3 0x80 fsleep syz-executor
11597 409193 2262 0 3 0x4000000 vm_terminate syz-executor
*11597 267707 2262 0 7 0x4000000 syz-executor
47058 257850 98361 0 3 0x80 fsleep syz-executor
47058 250063 98361 0 3 0x4000080 fifow syz-executor
18031 381331 2882 0 3 0x80 fsleep syz-executor
18031 157008 2882 0 3 0x4000080 kqread syz-executor
49971 373072 59981 0 3 0x80 fsleep syz-executor
49971 118611 59981 0 3 0x4000080 ttyout syz-executor
69719 32962 39947 0 3 0x80 fsleep syz-executor
69719 146260 39947 0 3 0x4000080 kqread syz-executor
92647 336034 1786 0 3 0x80 fsleep syz-executor
92647 110031 1786 0 3 0x4000080 kqsel syz-executor
92647 424956 1786 0 3 0x4000080 fsleep syz-executor
12459 425639 27655 0 3 0x80 fsleep syz-executor
12459 426274 27655 0 3 0x4000080 kqsel syz-executor
60820 83057 48281 0 3 0x82 wait syz-executor
20060 71052 0 0 3 0x14200 acct acct
27655 105367 48281 0 3 0x82 nanoslp syz-executor
59981 28272 48281 0 3 0x82 nanoslp syz-executor
1786 491779 48281 0 3 0x82 nanoslp syz-executor
2262 371569 48281 0 3 0x82 nanoslp syz-executor
39947 140442 48281 0 3 0x82 nanoslp syz-executor
2882 352665 48281 0 3 0x82 nanoslp syz-executor
98361 455284 48281 0 3 0x82 nanoslp syz-executor
48281 429496 79554 0 3 0x82 kqread syz-executor
79554 241889 47561 0 3 0x10008a sigsusp ksh
47561 388561 91605 0 3 0x98 kqread sshd-session
91605 80148 87008 0 3 0x92 kqread sshd-session
49758 114846 1 0 3 0x100083 ttyopn getty
87008 102916 1 0 3 0x88 kqread sshd
43466 86313 86323 74 3 0x1100092 bpf pflogd
86323 143749 1 0 3 0x80 sbwait pflogd
85472 337501 93547 73 3 0x1100090 kqread syslogd
93547 145500 1 0 3 0x100082 sbwait syslogd
47981 199777 1 0 3 0x100080 kqread resolvd
21270 452358 2043 77 3 0x100092 kqread dhcpleased
49730 55120 2043 77 3 0x100092 kqread dhcpleased
2043 9951 1 0 3 0x80 kqread dhcpleased
48234 486614 0 0 3 0x14200 bored smr
13694 350302 0 0 3 0x14200 pgzero zerothread
53681 399919 0 0 3 0x14200 aiodoned aiodoned
82803 452590 0 0 3 0x14200 syncer update
44572 356596 0 0 3 0x14200 cleaner cleaner
76229 512269 0 0 3 0x14200 reaper reaper
96371 212164 0 0 3 0x14200 pgdaemon pagedaemon
40572 39065 0 0 3 0x14200 bored viomb
15715 94412 0 0 3 0x40014200 acpi0 acpi0
37603 38250 0 0 3 0x40014200 idle1
56289 311410 0 0 3 0x14200 bored softnet1
8443 36709 0 0 3 0x14200 bored softnet0
9073 474681 0 0 3 0x14200 bored systqmp
72614 155373 0 0 3 0x14200 bored systq
75263 293080 0 0 3 0x14200 tmoslp softclockmp
81116 38301 0 0 3 0x40014200 tmoslp softclock
65083 496799 0 0 7 0x40014200 idle0
1 28621 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &sched_lock r = 0 (0xffffffff83a016a8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x62 sys/kern/kern_lock.c:261
#3 sleep_finish+0x1d6 sys/kern/kern_synch.c:355
#4 refcnt_finalize+0xdb sys/kern/kern_synch.c:955
#5 vm_terminate+0x16d sys/dev/vmm/vmm.c:739
#6 vmmioctl+0x35b sys/dev/vmm/vmm.c:254
#7 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#8 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#9 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#11 Xsyscall+0x128
Process 11597 (syz-executor) thread 0xffff8000323e22c0 (267707)
exclusive rwlock vm_list r = 0 (0xffff800000afc8e0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_terminate+0x88 sys/dev/vmm/vmm.c:728
#3 vmmioctl+0x35b sys/dev/vmm/vmm.c:254
#4 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#5 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#6 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#8 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10247 11185K 11606K 166960K 16015 0
pcb 17 16K 21K 166960K 775 0
rtable 213 12K 13K 166960K 1044 0
pf 40 18K 83K 166960K 425 0
ifaddr 34 6K 8K 166960K 198 0
ifgroup 60 2K 3K 166960K 344 0
sysctl 3 1K 9K 166960K 159 0
counters 70 37K 38K 166960K 376 0
ioctlops 0 0K 4K 166960K 2032 0
iov 0 0K 36K 166960K 176 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1428 90K 91K 166960K 4066 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 2K 10K 166960K 40 0
VM map 2 1K 1K 166960K 2 0
sem 21 16K 17K 166960K 154 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 240K 166960K 2724 0
sigio 0 0K 0K 166960K 79 0
proc 74 115K 164K 166960K 1021 0
subproc 72 4K 4K 166960K 162 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 472 0
in_multi 62 4K 7K 166960K 298 0
ether_multi 1 0K 0K 166960K 30 0
mrt 1 0K 0K 166960K 28 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 247 1102K 1102K 166960K 247 0
exec 0 0K 1K 166960K 982 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 6 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 253 176K 198K 166960K 25703 0
UVM aobj 83 25K 25K 166960K 96 0
pinsyscall 43 86K 104K 166960K 4084 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 137 0
NDP 13 0K 2K 166960K 147 0
temp 83 8680K 8826K 166960K 124509 0
kqueue 15 24K 32K 166960K 474 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 377 0 374 6 5 1 3 0 8 0
rtentry 176 309 0 231 6 1 5 6 0 8 0
unpcb 144 1508 0 1488 7 5 2 6 0 8 1
syncache 336 11 0 11 4 3 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 736 836 0 828 21 15 6 7 0 8 5
arp 136 45 0 28 1 0 1 1 0 8 0
inpcb 328 3165 0 3151 22 13 9 12 0 8 7
nd6 152 59 0 43 1 0 1 1 0 8 0
pkpcb 40 17 0 17 7 6 1 1 0 8 1
kcovpl 48 18 0 10 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 117 0 117 2 1 1 1 0 8 1
pppxif 1504 10 0 10 7 6 1 1 0 8 1
pfstscr 40 4 0 3 1 0 1 1 0 8 0
pffrag 232 63 0 45 2 0 2 2 0 482 0
pffrnode 88 60 0 43 1 0 1 1 0 8 0
pffrent 40 109 0 91 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 6 0 6 1 1 0 1 0 8 0
pfanchor 1288 2 0 2 1 1 0 1 0 8 0
pftag 88 4 0 2 1 0 1 1 0 8 0
pfstitem 24 151 0 83 1 0 1 1 0 8 0
pfstkey 128 164 0 95 3 0 3 3 0 8 0
pfstate 448 156 0 90 10 0 10 10 0 8 0
pfrule 1344 96 0 91 2 1 1 2 0 8 0
rttmr 136 4 0 4 3 2 1 1 0 8 1
art_heap8 4096 5 0 0 5 0 5 5 0 8 0
art_heap4 256 1498 0 1209 36 10 26 29 0 8 2
art_table 40 1503 0 1209 5 0 5 5 0 8 0
art_node 32 309 0 241 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0
semapl 112 144 0 125 1 0 1 1 0 8 0
shmpl 112 81 0 11 2 0 2 2 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 6258 0 4731 97 0 97 97 0 8 0
ffsino 296 6258 0 4731 120 1 119 119 0 8 0
nchpl 144 9915 0 9285 65 41 24 65 0 8 0
rtmask 32 25 0 25 3 3 0 1 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 38096 0 38096 3 2 1 2 0 8 1
percpumem 16 203 0 153 1 0 1 1 0 8 0
vcpupl 3968 10 0 0 2 0 2 2 0 8 0
vmpool 840 12 0 2 3 1 2 2 0 8 0
kstatmem 264 224 0 194 3 0 3 3 0 8 0
scsiplug 72 12 0 12 6 5 1 1 0 8 1
scxspl 216 66421 0 66421 14 13 1 8 1 8 1
plimitpl 152 759 0 741 1 0 1 1 0 8 0
sigapl 424 2998 0 2949 9 3 6 8 0 8 0
knotepl 120 808 0 0 25 0 25 25 0 8 0
kqueuepl 224 1011 0 995 15 12 3 5 0 8 2
pipepl 344 359 0 331 3 0 3 3 0 8 0
fdescpl 528 2948 0 2916 3 0 3 3 0 8 0
filepl 160 20206 0 19973 28 14 14 18 0 8 2
lockfpl 104 1044 0 1041 2 1 1 2 0 8 0
lockfspl 48 464 0 461 1 0 1 1 0 8 0
sessionpl 144 38 0 29 1 0 1 1 0 8 0
pgrppl 48 99 0 82 1 0 1 1 0 8 0
ucredpl 104 3264 0 3250 1 0 1 1 0 8 0
zombiepl 144 2950 0 2949 2 1 1 1 0 8 0
processpl 1232 2998 0 2949 8 3 5 6 0 8 1
procpl 664 7038 0 6980 8 1 7 8 0 8 0
sosppl 176 25 0 25 4 4 0 1 0 8 0
sockpl 752 5174 0 5137 37 25 12 17 0 8 7
mcl64k 65536 21 0 0 3 0 3 3 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 120 0 0 15 0 15 15 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 59 0 0 7 0 7 7 0 8 0
mtagpl 96 325 0 0 8 0 8 8 0 8 0
mbufpl 256 2097 0 0 129 0 129 129 0 8 0
bufpl 280 26457 0 20320 439 0 439 439 0 8 0
anonpl 32 14103 0 0 114 0 114 114 0 246 0
amapchunkpl 152 91302 0 90785 54 26 28 36 0 158 5
amappl16 200 9627 0 9588 77 63 14 36 0 8 8
amappl15 192 48 0 48 2 2 0 1 0 8 0
amappl14 184 5 0 5 1 1 0 1 0 8 0
amappl13 176 559 0 558 1 0 1 1 0 8 0
amappl12 168 3389 0 3346 3 0 3 3 0 8 0
amappl11 160 31 0 31 2 2 0 1 0 8 0
amappl10 152 51 0 37 1 0 1 1 0 8 0
amappl9 144 253 0 253 1 1 0 1 0 8 0
amappl8 136 27 0 24 1 0 1 1 0 8 0
amappl7 128 124 0 123 1 0 1 1 0 8 0
amappl6 120 402 0 389 1 0 1 1 0 8 0
amappl5 112 82 0 70 1 0 1 1 0 8 0
amappl4 104 493 0 463 1 0 1 1 0 8 0
amappl3 96 15661 0 15561 4 1 3 3 0 8 0
amappl2 88 3086 0 3008 2 0 2 2 0 8 0
amappl1 80 21820 0 21214 16 1 15 15 0 8 1
amappl 88 24374 0 24200 5 0 5 5 0 92 0
uvmvnodes 80 185 0 0 4 0 4 4 0 8 0
dma65536 65536 2 0 2 2 2 0 1 0 8 0
dma32768 32768 1 0 1 1 1 0 1 0 8 0
dma4096 4096 2 0 2 2 2 0 1 0 8 0
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma512 512 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 258 0 258 5 4 1 1 0 8 1
dma64 64 9 0 9 4 4 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 95 0 13 2 0 2 2 0 8 0
uaddrrnd 24 2948 0 2916 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2948 0 2916 1 0 1 1 0 8 0
vmmpekpl 168 22660 0 22601 3 0 3 3 0 8 0
vmmpepl 168 190268 0 188269 138 37 101 116 0 357 6
vmsppl 488 2947 0 2916 6 1 5 5 0 8 0
rwobjpl 80 49796 0 48575 40 7 33 37 0 8 0
pdppl 4096 5927 0 5846 132 49 83 83 0 8 2
pvpl 32 21220 0 0 172 0 172 172 0 265 0
pmappl 256 2959 0 2918 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 479 0 87 13 1 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8384cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: 10
ddb{0}> trace
x86_ipi_db(ffffffff8384cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: 8
ddb{1}> trace
vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728
vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254
VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8f036317f0, count: -7
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
Reply all
Reply to author
Forward
0 new messages